D-Link DGS-3312SR Manual

Manual is about: 12-Port Gigabit Layer 3 Stackable Switch

Summary of DGS-3312SR

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    D-link™ dgs-3312sr 12-port gigabit layer 3 stackable switch release 3.5 manual third edition (october 2005) version 0.35 printed in china recyclable.

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    Dgs-3312sr gigabit layer 3 switch i __________________________________________________________________________________ information in this document is subject to change without notice. © 2005 d-link computer corporation. All rights reserved. Reproduction in any manner whatsoever without the written ...

  • Page 3: Table of Contents

    Dgs-3312sr stackable gigabit layer 3 switch ii table of contents about this manual .............................................................................................................................................................. Viii intended readers .......................................

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    Dgs-3312sr stackable gigabit layer 3 switch iii vlan setup.................................................................................................................................................................22 defining static routes...........................................................

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    Dgs-3312sr stackable gigabit layer 3 switch iv igmp snooping.................................................................................................................................................................64 igmp snooping configuration....................................................

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    Dgs-3312sr stackable gigabit layer 3 switch v static/default route settings ..........................................................................................................................................119 static arp settings .................................................................

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    Dgs-3312sr stackable gigabit layer 3 switch vi application authentication settings...........................................................................................................................177 authentication server group...................................................................

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    Dgs-3312sr stackable gigabit layer 3 switch vii traceroute...................................................................................................................................................................225 browse ip address table ......................................................

  • Page 9: About This Manual

    Dgs-3312sr stackable gigabit layer 3 switch viii about this manual this manual is divided into ten general sections: section 1, introduction - describes the switch’s hardware and its features. Section 2, installation- helps you get started with the basic installation of the switch and also describes...

  • Page 10: Notes, Notices, and Cautions

    Dgs-3312sr stackable gigabit layer 3 switch ix notes, notices, and cautions a note indicates important information that helps you make better use of your device. A notice indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. A caution indicates a poten...

  • Page 11: Products

    Dgs-3312sr stackable gigabit layer 3 switch x • do not push any objects into the openings of your system. Doing so can cause fire or electric shock by shorting out interior components. • use the product only with approved equipment. • allow the product to cool before removing covers or touching inte...

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    Dgs-3312sr stackable gigabit layer 3 switch xi • systems are considered to be components in a rack. Thus, "component" refers to any system as well as to various peripherals or supporting hardware. Caution: installing systems in a rack without the front and side stabilizers installed could cause the ...

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    Dgs-3312sr stackable gigabit layer 3 switch xii protecting against electrostatic discharge static electricity can harm delicate components inside your system. To prevent static damage, discharge static electricity from your body before you touch any of the electronic components, such as the micropro...

  • Page 14: Section 1

    Dgs-3312sr stackable gigabit layer 3 switch 1 section 1 introduction switch description features front panel components led indicators stacking led indicators rear panel description plug-in modules switch stacking management options switch description the dgs-3312sr is a modular gigabit ethernet bac...

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    Dgs-3312sr stackable gigabit layer 3 switch 2 • per-port bandwidth control • broadcast, multicast and dlf storm control • ieee 802.3z and ieee 802.3x compliant flow control for all gigabit ports • snmp v.1, v.2, v.3 network management, rmon support • supports optional external redundant power supply...

  • Page 16: Front-Panel Components

    Dgs-3312sr stackable gigabit layer 3 switch 3 front-panel components the front panel of the switch consists of led indicators, an rs-232 communication port, two slide-in module slots, and four 1000base-t/sfp combo ports. Figure 1- 1. Front panel view of the switch as shipped (no modules are installe...

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    Dgs-3312sr stackable gigabit layer 3 switch 4 notice: the stack id led on the switch’s front panel will display an f, regardless of the switch’s stacking mode (master switch in a switch stack, or standalone mode). Stacking led indicators stacking led indicators include the stack id indicator on the ...

  • Page 18: Rear Panel Description

    Dgs-3312sr stackable gigabit layer 3 switch 5 rear panel description the rear panel of the switch contains an ac power connector. Figure 1- 4. Rear panel view of the switch the ac power connector is a standard three-pronged connector that supports the power cord. Plug-in the female connector of the ...

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    Dgs-3312sr stackable gigabit layer 3 switch 6 dem-340mg sfp (mini gbic) module figure 1- 6. Four-port gigabit sfp module • front-panel module • connects to gigabit ethernet devices • may be used as stacking ports for des-3250tg slave switches. • led indicators for link/activity and status dem-540 ie...

  • Page 20: Switch Stacking

    Dgs-3312sr stackable gigabit layer 3 switch 7 switch stacking the dgs-3312sr can be stacked with a des-3226s or des-3250tg, functioning as the master of the stack. There are three connection options available to for stacking. 1. Utilizing a gigabit ethernet port with either the built-in combination ...

  • Page 21: Management Options

    Dgs-3312sr stackable gigabit layer 3 switch 8 management options the system may be managed out-of-band through the console port on the front panel or in-band using telnet, a web browser or snmp-based management. Web-based management interface after you have successfully installed the switch, you can...

  • Page 22: Section 2

    Dgs-3312sr stackable gigabit layer 3 switch 9 section 2 installation package contents before you connect to the network installing the switch without a rack installing the switch in a rack connecting stacked switch groups configuring a switch group for stacking external redundant power system connec...

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    Dgs-3312sr stackable gigabit layer 3 switch 10 installing the switch without the rack the switch is supplied with rubber feet for stationing it on a flat surface and mounting brackets and screws for mounting the switch in a rack. 1. Install the switch on a level surface that can safely support the w...

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    Dgs-3312sr stackable gigabit layer 3 switch 11 mounting the switch in a standard 19" rack figure 2-3. Install switch in equipment rack.

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    Dgs-3312sr stackable gigabit layer 3 switch 12 connecting stacked switch groups the dgs-3312sr has the capability to hold twelve gigabit ports that may be used in standalone mode or can be used in a stacking configuration to provide up to 576 10/100 mbps ports and 12 gigabit ports in a star architec...

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    Dgs-3312sr stackable gigabit layer 3 switch 13 configuring a switch group for stacking follow the instructions below to first configure the slave units, and then to configure the dgs-3312sr as the designated master. Notice: the dgs-3312sr can be used to manage a switch stack consisting of only des-3...

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    Dgs-3312sr stackable gigabit layer 3 switch 14 dgs-3312sr:4#config stacking mode enable command: config stacking mode enable the new stacking mode configuration must be saved and the system restarted to put the new settings into effect. If you do not save the changes now, they will be lost. Saving a...

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    Dgs-3312sr stackable gigabit layer 3 switch 15 external redundant power system the switch supports an external redundant power system. Figure 2-8. Dps-200 with dgs-3312sr note: see the dps-200 documentation for more information. Caution: do not use the switch with any redundant power system other th...

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    Dgs-3312sr stackable gigabit layer 3 switch 16 connecting the console port the switch provides an rs-232 serial port that enables a connection to a computer or terminal for monitoring and configuring the switch. This port is a male db-9 connector, implemented as a data terminal equipment (dte) conne...

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    Dgs-3312sr stackable gigabit layer 3 switch 17 1. At the cli login prompt, enter create account admin followed by the and press the enter key. 2. You will be asked to provide a password. Type the used for the administrator account being created and press the enter key. 3. You will be prompted to ent...

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    Dgs-3312sr stackable gigabit layer 3 switch 18 snmp settings simple network management protocol (snmp) is an osi layer 7 (application layer) designed specifically for managing and monitoring network devices. Snmp enables network management stations to read and modify the settings of gateways, router...

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    Dgs-3312sr stackable gigabit layer 3 switch 19 ip address assignment each switch must be assigned its own ip address, which is used for communication with an snmp network manager or other tcp/ip application (for example bootp, tftp). The switch’s default ip address is 10.90.90.90. You can change the...

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    Dgs-3312sr stackable gigabit layer 3 switch 20 figure 2-10. Assigning the switch an ip address in the above example, the switch was assigned an ip address of 10.22.24.9 with a subnet mask of 255.0.0.0. The system message success indicates that the command was executed successfully. The switch can no...

  • Page 34: Section 3

    Dgs-3312sr stackable gigabit layer 3 switch 21 section 3 basic switch management before you start general deployment strategy web-based user interface basic setup switch information switch ip settings security ip management stations user accounts management saving changes factory reset restart syste...

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    Dgs-3312sr stackable gigabit layer 3 switch 22 3. Determine which network resources must be shared by the subnets. Shared resources may be connected directly to layer 3 switches. Static routes to each of the shared resources should be determined. 4. Determine how each subnet will communicate with th...

  • Page 36: Web-Based User Interface

    Dgs-3312sr stackable gigabit layer 3 switch 23 web-based user interface the user interface provides access to various switch configuration and management screens, allows you to view performance statistics, and permits you to graphically monitor the system status. Areas of the user interface the figu...

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    Dgs-3312sr stackable gigabit layer 3 switch 24 login to web manager to begin managing the switch simply run the browser you have installed on your computer and point it to the ip address you have defined for the device. The url in the address bar should read something like: http://123.123.123.123, w...

  • Page 38: Basic Setup

    Dgs-3312sr stackable gigabit layer 3 switch 25 basic setup the subsections below describe how to change some of the basic settings for the switch such as changing ip settings and assigning user names and passwords for management access privileges, as well as how to save the changes and restart the s...

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    Dgs-3312sr stackable gigabit layer 3 switch 26 figure 3-3. Switch ip settings window note: the switch’s factory default ip address is 10.90.90.90 with a subnet mask of 255.0.0.0 and a default gateway of 0.0.0.0. To manually assign the switch’s ip address, subnet mask, and default gateway address: • ...

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    Dgs-3312sr stackable gigabit layer 3 switch 27 subnet mask a bitmask that determines the extent of the subnet that the switch is on. Should be of the form xxx.Xxx.Xxx.Xxx, where each xxx is a number (represented in decimal) between 0 and 255. The value should be 255.0.0.0 for a class a network, 255....

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    Dgs-3312sr stackable gigabit layer 3 switch 28 security ip management stations configuration use the security ip management window to define up to four community strings. Community strings are used to verify who can receive snmp information from the switch. To access the security ip management windo...

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    Dgs-3312sr stackable gigabit layer 3 switch 29 to modify or delete an existing user, click on the modifybutton for that user. Figure 3- 7. User account modify table window modify or delete an existing user account in the user account modify table window. To delete the user account, click on the dele...

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    Dgs-3312sr stackable gigabit layer 3 switch 30 save changes changes made to the switch’s configuration must be saved in order to retain them. Access the save configuration window by clicking the save changes button located in the maintenance folder. Figure 3- 8. Save configuration window the switch ...

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    Dgs-3312sr stackable gigabit layer 3 switch 31 • reset config − returns all configuration settings to the factory default settings except the stacking mode configuration, but does not save the settings or reboot the switch. If you select this option the switch configuration will be returned to the f...

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    Dgs-3312sr stackable gigabit layer 3 switch 32 advanced settings to view the following window, click configuration > advanced settings: figure 3- 11. Switch information (advanced settings) window the advanced settings options are summarized in the table below: parameter description serial port auto ...

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    Dgs-3312sr stackable gigabit layer 3 switch 33 multicast router only if this option is enabled and igmp snooping is also enabled, the switch forwards all multicast traffic to a multicast-enabled router only. Otherwise, the switch will forward all multicast traffic to any ip router. Telnet status tel...

  • Page 47: Switch Stack Management

    Dgs-3312sr stackable gigabit layer 3 switch 34 switch stack management the dgs-3312sr has a possible twelve gigabit ports that may be used in standalone mode or can be used in a stacking configuration to provide up to 576 10/100 mbps ports and 12 gigabit ports in a star architecture. For stacking, t...

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    Dgs-3312sr stackable gigabit layer 3 switch 35 figure 3- 13. Stack mode setup (stacking enabled) window variables in this window are described below: parameter description id displays the switch’s order in the stack. The switch with a unit id of 15 is the master switch. Mac address displays the uniq...

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    Dgs-3312sr stackable gigabit layer 3 switch 36 figure 3- 14. Stack information web page with updated stack configuration.

  • Page 50: Section 4

    Dgs-3312sr stackable gigabit layer 3 switch 37 section 4 basic configuration switch information ip address advanced settings port configuration port description port mirroring traffic control link aggregation port access entity igmp snooping spanning tree forwarding & filtering vlans qos mac notific...

  • Page 51: Switch Information

    Dgs-3312sr stackable gigabit layer 3 switch 38 switch information the first page displayed upon logging in is the system information (basic settings) window. This window can be accessed at any time by clicking the switch information link in the configuration folder. Figure 4- 1. Switch information (...

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    Dgs-3312sr stackable gigabit layer 3 switch 39 note: the switch’s factory default ip address is 10.90.90.90 with a subnet mask of 255.0.0.0 and a default gateway of 0.0.0.0. To manually assign the switch’s ip address, subnet mask, and default gateway address: • select manualfrom the get ip fromdrop-...

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    Dgs-3312sr stackable gigabit layer 3 switch 40 vid this allows the entry of a vlan id from which a management station will be allowed to manage the switch using tcp/ip (in-band via web manager or telnet). Management stations that are on vlans other than the one entered in the vid field will not be a...

  • Page 54: Advanced Settings

    Dgs-3312sr stackable gigabit layer 3 switch 41 advanced settings to view the following window, click configuration > advanced settings: figure 4- 3. Switch information (advanced settings) window the advanced settings options are summarized in the table below: parameter description serial port auto l...

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    Dgs-3312sr stackable gigabit layer 3 switch 42 multicast router only if this option is enabled and igmp snooping is also enabled, the switch forwards all multicast traffic to a multicast-enabled router only. Otherwise, the switch will forward all multicast traffic to any ip router. Telnet status tel...

  • Page 56: Port Configuration

    Dgs-3312sr stackable gigabit layer 3 switch 43 port configuration to configure basic port settings such as port speed, duplex, and learning state, use the port configuration window. Click the port configuration link in the configuration folder: figure 4- 4. Port configuration and the port informatio...

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    Dgs-3312sr stackable gigabit layer 3 switch 44 the switch allows the user to configure two types of gigabit connections; 1000m/full_m and 1000m/full_s. Gigabit connections are only supported in full duplex connections and take on certain characteristics that are different from the other choices list...

  • Page 58: Port Description

    Dgs-3312sr stackable gigabit layer 3 switch 45 port description the switch supports a port description feature where the user may name various ports on the switch. To assign names or descriptions to various ports, click port description on the configuration folder: figure 4- 5. Port description sett...

  • Page 59: Port Mirroring

    Dgs-3312sr stackable gigabit layer 3 switch 46 port mirroring the switch allows you to copy frames transmitted and received on a port and redirect the copies to another port. You can attach a monitoring device to the mirrored port, such as a sniffer or an rmon probe, to view details about the packet...

  • Page 60: Traffic Control

    Dgs-3312sr stackable gigabit layer 3 switch 47 traffic control use the traffic control setting window to enable or disable storm control and adjust the threshold for multicast and broadcast storms, as well as dlf (destination look up failure). Traffic control settings are applied to individual switc...

  • Page 61: Link Aggregation

    Dgs-3312sr stackable gigabit layer 3 switch 48 link aggregation understanding port trunk groups port trunk groups are used to combine a number of ports together to make a single high-bandwidth data pipeline. The dgs-3312sr supports up to six port trunk groups with two to eight ports in each group. A...

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    Dgs-3312sr stackable gigabit layer 3 switch 49 to configure port trunking, click on the link aggregation hyperlink in the configuration folder and then click link aggregation: figure 4- 9. Port trunking group window to configure port trunk groups, click the add button to add a new trunk group and th...

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    Dgs-3312sr stackable gigabit layer 3 switch 50 lacp port settings the lacp port mode setup window is used in conjunction with the link aggregation windows to create port trunking groups on the switch. Using the following window, the user may set which ports will be active and passive in processing a...

  • Page 64: Port Access Entity (802.1X)

    Dgs-3312sr stackable gigabit layer 3 switch 51 port access entity (802.1x) 802.1x port-based and mac-based access control the ieee 802.1x standard is a security measure for authorizing and authenticating users to gain access to various wired or wireless devices on a specified local area network by u...

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    Dgs-3312sr stackable gigabit layer 3 switch 52 authentication server the authentication server is a remote device that must be running a radius server program and must be configured properly on the authenticator (switch). Clients connected to a port on the switch must be authenticated by the authent...

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    Dgs-3312sr stackable gigabit layer 3 switch 53 client the client is simply the end station that wishes to gain access to the lan or switch services. All end stations must be running software that is compliant with the 802.1x protocol. For users running windows xp, that software is included within th...

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    Dgs-3312sr stackable gigabit layer 3 switch 54 the d-link implementation of 802.1x allows network administrators to choose between two types of access control used on the switch, which are: 1. Port-based access control – this method requires only one user to be authenticated per port by a remote rad...

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    Dgs-3312sr stackable gigabit layer 3 switch 55 mac-based network access control 802.1x client network access controlled port network access uncontrolled port radius server ethernet switch 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client ...

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    Dgs-3312sr stackable gigabit layer 3 switch 56 802.1x authenticator settings to display the current 802.1x authenticator settings on the switch, click configuration > port access entity > 802.1x authenticator settings, which will display the following window. Figure 4- 20. 1 st 802.1x authenticator ...

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    Dgs-3312sr stackable gigabit layer 3 switch 57 the following authenticator settings parameters can be set: parameter description unit allows you to specify a switch in a switch stack using that switch’s unit id. The number 15 indicates a switch in standalone mode. From/to a consecutive group of port...

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    Dgs-3312sr stackable gigabit layer 3 switch 58 pae system control to set the port authenticating settings, open the port access entity folder, and then the pae system control folder. Finally, click on the 802.1x capability settings link. 802.1x capability settings the following window will allow the...

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    Dgs-3312sr stackable gigabit layer 3 switch 59 initializing ports for port-based 802.1x existing 802.1x port and mac settings are displayed and can be configured using the window below. Click configuration > port access entity > pae system control > initialize port(s) to open the following window: f...

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    Dgs-3312sr stackable gigabit layer 3 switch 60 initializing ports for mac based 802.1x to initialize ports for the mac side of 802.1x, the user must first enable 802.1x by mac address in the advanced settings window. Click configuration > port access entity > pae system control > initialize port(s) ...

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    Dgs-3312sr stackable gigabit layer 3 switch 61 reauthenticate port(s) for port based 802.1x this window allows you to reauthenticate a port or group of ports by choosing a port or group of ports by using the pull down menus from and to and clicking apply. The reauthenticate port table displays the c...

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    Dgs-3312sr stackable gigabit layer 3 switch 62 reauthenticate port(s) for mac-based 802.1x to reauthenticate ports for the mac side of 802.1x, the user must first enable 802.1x by mac address in the advanced settings window. Click configuration > port access entity > pae system control > reauthentic...

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    Dgs-3312sr stackable gigabit layer 3 switch 63 radius server the radius feature of the switch allows you to facilitate centralized user administration as well as providing protection against a sniffing, active hacker. Radius server click the radius server link in the radius server folder under port ...

  • Page 77: Igmp Snooping

    Dgs-3312sr stackable gigabit layer 3 switch 64 igmp snooping in order to use igmp snooping it must first be enabled for the entire switch (see advanced settings). You may then fine- tune the settings for each vlan using the igmp snooping settings window. When enabled for igmp snooping, the switch ca...

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    Dgs-3312sr stackable gigabit layer 3 switch 65 parameter description vlan id the vlan id number. Vlan name the vlan name. Query interval the query interval field is used to set the time (in seconds) between transmitting igmp queries. Entries between 1 and 65535 seconds are allowed. The default value...

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    Dgs-3312sr stackable gigabit layer 3 switch 66 static router ports a static router port is a port that has a multicast router attached to it. Generally, this router would have a connection to a wan or to the internet. Establishing a router port will allow multicast packets coming from the router to ...

  • Page 80: Spanning Tree

    Dgs-3312sr stackable gigabit layer 3 switch 67 spanning tree this switch supports three versions of the spanning tree protocol; 802.1d stp, 802.1w rapid stp and 802.1s mstp. 802.1d stp will be familiar to most networking professionals. However, since 802.1w rstp and 802.1s mstp has been recently int...

  • Page 81

    Dgs-3312sr stackable gigabit layer 3 switch 68 transition states disabled, blocking and listening used in 802.1d and creates a single state discarding. In either case, ports do not forward packets. In the stp port transition states disabled, blocking or listening or in the rstp/mstp port state disca...

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    Dgs-3312sr stackable gigabit layer 3 switch 69 stp bridge global settings to open the following window, open the spanning tree folder in the configuration menu and click the stp bridge global settings link. Figure 4- 32. Stp bridge global settings – stp compatible figure 4- 33. Stp bridge global set...

  • Page 83

    Dgs-3312sr stackable gigabit layer 3 switch 70 the following parameters can be set: parameter description stp status use the pull-down menu to enable or disable stp globally on the switch. The default is disabled. Stp version use the pull-down menu to choose the desired version of stp to be implemen...

  • Page 84

    Dgs-3312sr stackable gigabit layer 3 switch 71 mst configuration table the following screens in the mst configuration table window allow the user to configure a msti instance on the switch. These settings will uniquely identify a multiple spanning tree instance set on the switch. The switch initiall...

  • Page 85

    Dgs-3312sr stackable gigabit layer 3 switch 72 figure 4- 36. Instance id settings window- add the user may configure the following parameters to create a msti in the switch. Parameter description msti id enter a number between 1 and 15 to set a new msti on the switch. Type create is selected to crea...

  • Page 86

    Dgs-3312sr stackable gigabit layer 3 switch 73 click apply to implement changes made. To configure the parameters for a previously set msti, click on its hyperlinked msti id number, which will reveal the following screen for configuration. Figure 4- 38. Instance id settings window - modify the user ...

  • Page 87

    Dgs-3312sr stackable gigabit layer 3 switch 74 msti settings this window displays the current msti configuration settings and can be used to update the port configuration for an msti id. If a loop occurs, the mstp function will use the port priority to select an interface to put into the forwarding ...

  • Page 88

    Dgs-3312sr stackable gigabit layer 3 switch 75 stp instance settings the following window displays mstis currently set on the switch. To view the following table, click configuration > spanning tree > stp instance settings: figure 4- 41. Stp instance settings the following information is displayed: ...

  • Page 89

    Dgs-3312sr stackable gigabit layer 3 switch 76 the following parameters may be viewed in the stp instance operational status windows: parameter description designated root bridge this field will show the priority and mac address of the root bridge. External root cost this defines a metric that indic...

  • Page 90

    Dgs-3312sr stackable gigabit layer 3 switch 77 stp port settings stp can be set up on a port per port basis. To view the following window click configuration > spanning tree > stp port settings: figure 4- 44. Stp port settings and table window in addition to setting spanning tree parameters for use ...

  • Page 91

    Dgs-3312sr stackable gigabit layer 3 switch 78 hello time the time interval between the transmission of configuration messages by the des- ignated port, to other devices on the bridged lan, thus stating that the switch is still functioning. The user may choose a time between 1 and 10 seconds. The de...

  • Page 92: Forwarding & Filtering

    Dgs-3312sr stackable gigabit layer 3 switch 79 forwarding & filtering the switch allows permanent or static entries into the forwarding database (fdb). These fdb entries are mac addresses that will not age out. In addition, multicast forwarding may be customized to conform to rules for the different...

  • Page 93

    Dgs-3312sr stackable gigabit layer 3 switch 80 multicast forwarding the following figure and table describe how to set up multicast forwarding on the switch. Open the forwarding & filtering folder and click on the multicast forwarding link to see the entry window below: figure 4- 46. Static multicas...

  • Page 94: Vlans

    Dgs-3312sr stackable gigabit layer 3 switch 81 vlans the switch web manager’s vlans sub-folder is divided into two main windows, 802.1q static vlans and 802.1q port settings. Each is described after a short overview of vlans. Vlans can function somewhat differently in a layer 3 switch, that is when ...

  • Page 95

    Dgs-3312sr stackable gigabit layer 3 switch 82 ieee 802.1q vlans some relevant terms: • tagging - the act of putting 802.1q vlan information into the header of a packet. • untagging - the act of stripping 802.1q vlan information out of the packet header. • ingress port - a port on a switch where pac...

  • Page 96

    Dgs-3312sr stackable gigabit layer 3 switch 83 figure 4- 49. Ieee 802.1q tag the ethertype and vlan id are inserted after the mac source address, but before the original ethertype/length or logical link control. Because the packet is now a bit longer than it was originally, the cyclic redundancy che...

  • Page 97

    Dgs-3312sr stackable gigabit layer 3 switch 84 tag-aware switches must keep a table to relate pvids within the switch to vids on the network. The switch will compare the vid of a packet to be transmitted to the vid of the port that is to transmit the packet. If the two vids are different, the switch...

  • Page 98

    Dgs-3312sr stackable gigabit layer 3 switch 85 802.1q static vlans to create or modify an 802.1q vlan: in the configuration folder, open the vlans folder and click the static vlan entry link to open the following window: figure 4- 51. 802.1q static vlans and current 802.1q static vlan entries window...

  • Page 99

    Dgs-3312sr stackable gigabit layer 3 switch 86 parameter description unit choose the switch on which the vlan will be created. Vid (vlan id) for a new vlan entry, type in a unique identifier. This number is used to configure other settings such as gvrp status for ports in the vlan. Auto assign – che...

  • Page 100

    Dgs-3312sr stackable gigabit layer 3 switch 87 figure 4- 54. 802.1q static vlans with added vlan window to change the port settings of any listed vlan, click the modify button. Now click the modify button in the first 802.1q static vlans window for the newly created vlan (engineering). A new window ...

  • Page 101

    Dgs-3312sr stackable gigabit layer 3 switch 88 gvrp settings open the gvrp settings window and select the unit and range of ports to configure. For the selected port or group of ports, choose to enable or disable ingress checking and establish an acceptable packet rule. Ingress checkingis used to li...

  • Page 102: Qos

    Dgs-3312sr stackable gigabit layer 3 switch 89 qos the dgs-3312sr supports 802.1p priority queuing quality of service. The following section discusses the implementation of qos (quality of service) and benefits of using 802.1p priority queuing. The advantages of qos qos is an implementation of the i...

  • Page 103

    Dgs-3312sr stackable gigabit layer 3 switch 90 understanding qos the switch has nine priority classes of service, one of which is internal and not configurable. These priority classes of service are labeled as 7, the high class to 0, the lowest class. The eight priority tags, specified in ieee 802.1...

  • Page 104

    Dgs-3312sr stackable gigabit layer 3 switch 91 802.1p default priority the switch allows the assignment of a default 802.1p priority to each port on the switch. Click on the 802.1p default priority link in the qos sub-folder: figure 4- 58. Port default priority assignment and the port priority table...

  • Page 105

    Dgs-3312sr stackable gigabit layer 3 switch 92 qos output scheduling configuration qos can be customized by changing the output scheduling used for the hardware queues in the switch. As with any changes to qos implementation, careful consideration should be given to how network traffic in lower prio...

  • Page 106

    Dgs-3312sr stackable gigabit layer 3 switch 93 traffic segmentation traffic segmentation is used to limit traffic flow from a single port to a group of ports on either a single switch (in standalone mode) or a group of ports on another switch in a switch stack. This method of segmenting the flow of ...

  • Page 107

    Dgs-3312sr stackable gigabit layer 3 switch 94 port bandwidth the bandwidth control settings are used to place a ceiling on the transmitting and receiving data rates for any selected port. Figure 4- 62. Bandwidth settings window the following parameters can be set or are displayed: parameter descrip...

  • Page 108: Mac Notification

    Dgs-3312sr stackable gigabit layer 3 switch 95 mac notification mac address notification is used to monitor mac addresses as they are learned and entered into the switch’s mac forwarding database. Mac notification global settings figure 4- 63. Mac notification global settings window the following pa...

  • Page 109: Port Security Configuration

    Dgs-3312sr stackable gigabit layer 3 switch 96 port security configuration the following three windows will allow the user to implement security functions on a per port basis on the switch or a switch in a switch stack. To access the following windows, open the port security configuration folder in ...

  • Page 110

    Dgs-3312sr stackable gigabit layer 3 switch 97 port lock entry delete the port lock entry delete window is used to remove an entry from the port security entries learned by the switch and entered into the forwarding database. To view the following window, click configuration > port security configur...

  • Page 111: System Log Server

    Dgs-3312sr stackable gigabit layer 3 switch 98 system log server use the system log to keep a record of warning and other pertinent system information. The switch can send system log (syslog) messages to up to four designated servers, which can be set on the switch utilizing the system log servers w...

  • Page 112

    Dgs-3312sr stackable gigabit layer 3 switch 99 4 security/authorization messages 5 messages generated internally by syslog line printer subsystem 7 network news subsystem 8 uucp subsystem 9 clock daemon 10 security/authorization messages 11 ftp daemon 12 ntp subsystem 13 log audit 14 log alert 15 cl...

  • Page 113: Sntp Settings

    Dgs-3312sr stackable gigabit layer 3 switch 100 sntp settings the simple network time protocol (sntp) (an adaptation of the network time protocol (ntp)) is configured on the switch using the following windows. Time setting the following window will allow the user to configure the time settings for t...

  • Page 114

    Dgs-3312sr stackable gigabit layer 3 switch 101 time zone and dst settings the following window is used to set up time zone and daylight savings configurations for the switch and can be accessed by clicking configuration > sntp settings > time zone and dst. Figure 4- 71. Time zone and dst settings w...

  • Page 115

    Dgs-3312sr stackable gigabit layer 3 switch 102 dst repeating settings repeating - using repeating mode will enable dst seasonal time adjustment. Repeating mode requires that the dst beginning and ending date be specified using a formula. For example, specify to begin dst on saturday during the seco...

  • Page 116: Access Profile Table

    Dgs-3312sr stackable gigabit layer 3 switch 103 access profile table access profiles allow you to establish criteria to determine whether or not the switch will forward packets based on the information contained in each packet’s header. These criteria can be specified on a basis of vlan, mac address...

  • Page 117

    Dgs-3312sr stackable gigabit layer 3 switch 104 parameter description profile id (1-255) type in a unique identifier number for this profile set. This value can be set from 1 to 255. Type select profile based on ethernet (mac address), ip address or packet content mask. This will change the menu acc...

  • Page 118

    Dgs-3312sr stackable gigabit layer 3 switch 105 the following parameters can be set: parameter description profile id (1-255) type in a unique identifier number for this profile set. This value can be set from 1 to 255. Type select profile based on ethernet (mac address), ip address, packet content ...

  • Page 119

    Dgs-3312sr stackable gigabit layer 3 switch 106 the window shown below is the access profile configuration window for packet content mask. Figure 4- 75. Access profile configuration (packet content mask) window this window will aid the user in configuring the switch to mask packet headers beginning ...

  • Page 120

    Dgs-3312sr stackable gigabit layer 3 switch 107 port the user may set the access profile table window on a per-port basis by entering a port number in this field. Entering “all” will denote all ports on the switch. To establish the rule for a previously created access profile, select the access prof...

  • Page 121

    Dgs-3312sr stackable gigabit layer 3 switch 108 type selected profile based on ethernet (mac address), ip address or packet content mask. This will change the menu according to the requirements for the type of profile. • ethernet instructs the switch to examine the layer 2 part of each packet header...

  • Page 122

    Dgs-3312sr stackable gigabit layer 3 switch 109 figure 4- 78. Access rule configuration (ip) window the following parameters can be set: parameter description profile id this is the identifier number for this profile set. Mode select permit to specify that the packets that match the access profile a...

  • Page 123

    Dgs-3312sr stackable gigabit layer 3 switch 110 replace dscp (0- 63) select this option to instruct the switch to replace the dscp value (in a packet that meets the selected criteria) with the value entered in the adjacent field. Vlan name allows the entry of a name for a previously configured vlan....

  • Page 124

    Dgs-3312sr stackable gigabit layer 3 switch 111 access id type in a unique identifier number for this access. This value can be set from 1 to 255. Type selected profile based on ethernet (mac address), ip address or packet content mask. This will change the menu according to the requirements for the...

  • Page 125: Section 5

    Dgs-3312sr stackable gigabit layer 3 switch 112 section 5 layer 3 ip networking l3 global advanced settings ip interface settings md5 key settings route redistribution settings static/default route settings static arp settings rip ospf dhcp/bootp relay dns relay vrrp ip multicast l3 global advanced ...

  • Page 126

    Dgs-3312sr stackable gigabit layer 3 switch 113 ip interfaces settings and ip multinetting ip multinetting is a function that allows multiple ip interfaces to be assigned to the same vlan. This is beneficial to the administrator when the number of ips on the original interface is insufficient and th...

  • Page 127

    Dgs-3312sr stackable gigabit layer 3 switch 114 using a 10.Xxx.Xxx.Xxx ip address notation, the above example would give six network addresses and six subnets. Any ip address from the allowed range of ip addresses for each subnet can be chosen as an ip address for an ip interface on the switch. For ...

  • Page 128

    Dgs-3312sr stackable gigabit layer 3 switch 115 enter the desired ip interface settings and click the apply button. A message should appear informing you if the settings have been successfully applied. For convenience, you may want to use the same name for the ip interface and the vlan. To return to...

  • Page 129: Md5 Key Settings

    Dgs-3312sr stackable gigabit layer 3 switch 116 md5 key settings md5 authentication is used to identify trusted routers sending ospf packets. By default, no authentication is used for ospf so it is not necessary to configure any md5 keys to use ospf. Md5 authentication can be set up at any time, bef...

  • Page 130

    Dgs-3312sr stackable gigabit layer 3 switch 117 route redistribution settings route redistribution allows routers on the network, which are running different routing protocols to exchange routing information. This is accomplished by comparing the routes stored in the various routers routing tables a...

  • Page 131

    Dgs-3312sr stackable gigabit layer 3 switch 118 to create a new route redistribution criteria, select the dest protocol (destination protocol) and src protocol (source protocol) from the drop-down menus, choose the metric type and enter a metricvalue. Click on the add/modify button and the new redis...

  • Page 132

    Dgs-3312sr stackable gigabit layer 3 switch 119 static/default route settings static routes that have been previously configured appear in the static/default route settings table. To add a new route, click on the add button, a new window appears. To remove an existing route, click the x button in th...

  • Page 133: Static Arp Settings

    Dgs-3312sr stackable gigabit layer 3 switch 120 static arp settings the address resolution protocol (arp) is a tcp/ip protocol that converts ip addresses into physical addresses. This table allows network managers to view, define, modify and delete arp information for specific devices. Use the stati...

  • Page 134: Rip

    Dgs-3312sr stackable gigabit layer 3 switch 121 rip the routing information protocol is a distance-vector routing protocol. There are two types of network devices running rip - active and passive. Active devices advertise their routes to others through rip messages, while passive devices listen to t...

  • Page 135

    Dgs-3312sr stackable gigabit layer 3 switch 122 rip command codes the field version contains the protocol version number (1 in this case), and is used by the receiver to verify which version of rip the packet was sent. Rip 1 message rip is not limited to tcp/ip. Its address format can support up to ...

  • Page 136

    Dgs-3312sr stackable gigabit layer 3 switch 123 rip global setting to setup routing information protocol (rip) for the ip interfaces configured in the switch, click configuration > layer 3 ip networking > rip > rip global setting. Use the rip global setting window to first enable rip and then config...

  • Page 137

    Dgs-3312sr stackable gigabit layer 3 switch 124 parameter description interface name the name of the ip interface on which rip is to be setup. This interface must be previously configured on the switch. Ip address the ip address corresponding to the interface name showing in the field above. Tx mode...

  • Page 138: Ospf

    Dgs-3312sr stackable gigabit layer 3 switch 125 ospf introduction to ospf the open shortest path first (ospf) routing protocol that uses a link-state algorithm to determine routes to network destinations. A “link” is an interface on a router and the “state” is a description of that interface and its...

  • Page 139

    Dgs-3312sr stackable gigabit layer 3 switch 126 shortest path tree to build router a’s shortest path tree for the network diagramed below, router a is put at the root of the tree and the smallest cost link to each destination network is calculated. Figure 5- 16. Constructing a shortest path tree rou...

  • Page 140

    Dgs-3312sr stackable gigabit layer 3 switch 127 router a router b router c 128.213.0.0 192.213.11.0 222.211.10.0 0 10 10 5 10 figure 5- 18. Constructing a shortest path tree - completed note that this shortest path tree is only from the viewpoint of router a. The cost of the link from router b to ro...

  • Page 141

    Dgs-3312sr stackable gigabit layer 3 switch 128 router link-state updates are flooded to all routers in the current area. These updates describe the destinations reachable through all of the router’s interfaces. Summary link-state updates are generated by border routers to distribute routing informa...

  • Page 142

    Dgs-3312sr stackable gigabit layer 3 switch 129 neighbors routers that are connected to the same area or segment become neighbors in that area. Neighbors are elected via the hello protocol. Ip multicast is used to send out hello packets to other routers on the segment. Routers become neighbors when ...

  • Page 143

    Dgs-3312sr stackable gigabit layer 3 switch 130 • loading − the routers are finalizing the information exchange. Routers have link-state request list and a link-state retransmission list. Any information that looks incomplete or outdated will be put on the request list. Any update that is sent will ...

  • Page 144

    Dgs-3312sr stackable gigabit layer 3 switch 131 link-state request link-state update link-state acknowledgment packet length the length of the packet in bytes. This length includes the 24-byte header. Router id the router id of the packet’s source. Area id a 32-bit number identifying the area that t...

  • Page 145

    Dgs-3312sr stackable gigabit layer 3 switch 132 field description network mask the network mask associated with this interface. Options the optional capabilities supported by the router. Hello interval the number of seconds between this router’s hello packets. Router priority this router’s router pr...

  • Page 146

    Dgs-3312sr stackable gigabit layer 3 switch 133 field description options the optional capabilities supported by the router. I – bit the initial bit. When set to 1, this packet is the first in the sequence of database description packets. M – bit the more bit. When set to 1, this indicates that more...

  • Page 147

    Dgs-3312sr stackable gigabit layer 3 switch 134 link-state update packet link-state update packets are ospf packet type 4. These packets implement the flooding of link-state advertisements. Each link-state update packet carries a collection of link-state advertisements one hop further from its origi...

  • Page 148

    Dgs-3312sr stackable gigabit layer 3 switch 135 version no. Packet length router id area id authentication type authentication authentication checksum link-state acknowledgment packet 5 link-state advertisement header ... Figure 5- 24. Link-state acknowledgment packet each acknowledged link-state ad...

  • Page 149

    Dgs-3312sr stackable gigabit layer 3 switch 136 link-state advertisement header link-state age options link-state type link-state id advertising router link-state sequence number link-state checksum length figure 5- 25. Link-state advertisement header field description link state age the time is sec...

  • Page 150

    Dgs-3312sr stackable gigabit layer 3 switch 137 router links advertisements router links advertisements are type 1 link state advertisements. Each router in an area originates a routers links advertisement. The advertisement describes the state and cost of the router’s links to the area. All of the ...

  • Page 151

    Dgs-3312sr stackable gigabit layer 3 switch 138 field description type a quick classification of the router link. One of the following: type description point-to-point connection to another router. Connection to a transit network. Connection to a stub network. Virtual link. Link id identifies the ob...

  • Page 152

    Dgs-3312sr stackable gigabit layer 3 switch 139 network links advertisements network links advertisements are type 2 link state advertisements. A network links advertisement is originated for each transit network in the area. A transit network is a multi-access network that has more than one attache...

  • Page 153

    Dgs-3312sr stackable gigabit layer 3 switch 140 link-state age options link-state id advertising router link-state sequence number link-state checksum length 2 network mask summary link advertisements tos metric figure 5- 28. Summary link advertisements for stub area, type 3 summary link advertiseme...

  • Page 154

    Dgs-3312sr stackable gigabit layer 3 switch 141 link-state age options link-state id advertising router link-state sequence number link-state checksum length network mask tos metric as external link advertisements 5 forwarding address external route tag e figure 5- 29. As external link advertisement...

  • Page 155

    Dgs-3312sr stackable gigabit layer 3 switch 142 ospf general setting the ospf general setting window allows ospf to be enabled or disabled on the switch − without changing the switch’s ospf configuration. From the layer 3 ip networking folder, open the ospf sub-folder and click on the ospf general s...

  • Page 156

    Dgs-3312sr stackable gigabit layer 3 switch 143 to add an ospf area to the table, type a unique area id (see below) select the type from the drop-down menu. For a stub type, choose enabled or disabled from the stub import summary lsa drop-down menu and determine the stub default cost. Click the add/...

  • Page 157

    Dgs-3312sr stackable gigabit layer 3 switch 144 ospf interface settings to set up ospf interfaces, click the ospf interface settings link to view ospf settings for existing ip interfaces. If there are no ip interfaces configured (besides the default system interface), only the system interface setti...

  • Page 158

    Dgs-3312sr stackable gigabit layer 3 switch 145 parameter description interface name displays the of an ip interface previously configured on the switch. Ip address the ip address of the interface name stated above. Area id allows the entry of an ospf area id configured above. Router priority allows...

  • Page 159

    Dgs-3312sr stackable gigabit layer 3 switch 146 ospf virtual interface settings click the ospf virtual interface settings link to view the current ospf virtual interface settings. There are not virtual interface settings configured by default, so the first time this table is viewed there will be not...

  • Page 160

    Dgs-3312sr stackable gigabit layer 3 switch 147 auth type if using authorization for ospf routers, select the type being used. Md5 key authorization must be set up in the md5 key settings menu. Password/auth. Key id enter a case-sensitive password for simple authorization or enter the md5 key you se...

  • Page 161

    Dgs-3312sr stackable gigabit layer 3 switch 148 ospf area aggregation settings area aggregation allows all of the routing information that may be contained within an area to be aggregated into a summary lsdb advertisement of just the network address and subnet mask. This allows for a reduction in th...

  • Page 162

    Dgs-3312sr stackable gigabit layer 3 switch 149 ospf host route settings ospf host routes work in a way analogous to rip, only this is used to share ospf information with other ospf routers. This is used to work around problems that might prevent ospf information sharing between routers. To configur...

  • Page 163: Dhcp/bootp Relay

    Dgs-3312sr stackable gigabit layer 3 switch 150 dhcp/bootp relay the bootp hops count limit allows the maximum number of hops (routers) that the bootp messages can be relayed through to be set. If a packet’s hop count is more than the hop count limit, the packet is dropped. The range is between 1 an...

  • Page 164

    Dgs-3312sr stackable gigabit layer 3 switch 151 dhcp/bootp relay settings the dhcp/ bootp relay interface settings allow the user to set up a server, by ip address, for relaying dhcp/ bootp information to the switch. The user may enter a previously configured ip interface on the switch that will be ...

  • Page 165: Dns Relay

    Dgs-3312sr stackable gigabit layer 3 switch 152 dns relay computer users usually prefer to use text names for computers for which they may want to open a connection. Computers themselves, require 32 bit ip addresses. Somewhere, a database of network devices’ text names and their corresponding ip add...

  • Page 166

    Dgs-3312sr stackable gigabit layer 3 switch 153 parameter description dns relay status enable or disable dns relay. Primary name server indicates that the ip address below is the address of the primary dns server. Secondary name server indicates that the ip address below is the address of the second...

  • Page 167: Vrrp

    Dgs-3312sr stackable gigabit layer 3 switch 154 vrrp virtual routing redundancy protocol (vrrp) is a function on the switch that dynamically assigns responsibility for a virtual router to one of the vrrp routers on a lan. The vrrp router that controls the ip address associated with a virtual router ...

  • Page 168

    Dgs-3312sr stackable gigabit layer 3 switch 155 vrrp interface settings the following window will allow the user to set the parameters for the vrrp function on the switch. To view this window, click configuration > layer 3 ip networking > vrrp > vrrp interface settings: figure 5- 46. Vrrp interface ...

  • Page 169

    Dgs-3312sr stackable gigabit layer 3 switch 156 vrrp interface settings the following window will allow the user to view the parameters for the vrrp function on the switch. This window can also be used to set the authentication for each interface configured for vrrp. This authentication is used to i...

  • Page 170

    Dgs-3312sr stackable gigabit layer 3 switch 157 critical ip address enter the ip address of the physical device that will provide the most direct route to the internet or other critical network connections from this virtual router. This must be a real ip address of a real device on the network. If t...

  • Page 171

    Dgs-3312sr stackable gigabit layer 3 switch 158 this window displays the following information: parameter description interface name an ip interface name that has been enabled for vrrp. This entry must have been previously set in the ip interface settings window. Authentication type displays the typ...

  • Page 172: Ip Multicast

    Dgs-3312sr stackable gigabit layer 3 switch 159 ip multicast controlling multicast routing on the switch includes setting up igmp for ip interfaces, pim and dvmrp. This chapter describes how to set these up. For an explanation of how these protocols function, read appendix c. Igmp computers and netw...

  • Page 173

    Dgs-3312sr stackable gigabit layer 3 switch 160 the time-to-live (ttl) field of query messages is set to 1 so that the queries will not be forwarded to other subnetworks. Igmp version 2 introduces some enhancements such as a method to elect a multicast querier for each lan, an explicit leave message...

  • Page 174

    Dgs-3312sr stackable gigabit layer 3 switch 161 igmp interface configuration the internet group multicasting protocol (igmp) can be configured on the switch on a per-ip interface basis. To view the igmp interface table, open the ip multicast routing protocol folder under configuration and click igmp...

  • Page 175

    Dgs-3312sr stackable gigabit layer 3 switch 162 dvmrp the distance vector multicast routing protocol (dvmrp) is a hop-based method of building multicast delivery trees from multicast sources to all nodes of a network. Because the delivery trees are ‘pruned’ and ‘shortest path’, dvmrp is relatively e...

  • Page 176

    Dgs-3312sr stackable gigabit layer 3 switch 163 figure 5- 53. Dvmrp interface settings window - modify configure dvmrp settings for each ip interface and click on the apply button to apply the new or changed settings. The new values will appear in the dvmrp interface settings table in the previous w...

  • Page 177

    Dgs-3312sr stackable gigabit layer 3 switch 164 pim the protocol independent multicast - dense mode (pim-dm) protocol should be used in networks with a low delay (low latency) and high bandwidth as pim-dm is optimized to guarantee delivery of multicast packets, not to reduce overhead. The pim-dm mul...

  • Page 178

    Dgs-3312sr stackable gigabit layer 3 switch 165 figure 5- 56. 2 nd pim-dm interface settings window - modify configure pim-dm settings for each ip interface and click on the apply button to apply the new or changed settings. The new values will appear in the pim-dm interface settings window. To view...

  • Page 179: Section 6

    Dgs-3312sr stackable gigabit layer 3 switch 166 section 6 security trusted host secure socket layer (ssl) secure shell (ssh) access authentication control trusted host the security ip management window allows you to specify the ip addresses of management stations (pcs) on your network that will be a...

  • Page 180: Secure Socket Layer (Ssl)

    Dgs-3312sr stackable gigabit layer 3 switch 167 secure socket layer (ssl) secure sockets layer or ssl is a security feature that will provide a secure communication path between a host and client through the use of authentication, digital signatures and encryption. These security functions are imple...

  • Page 181

    Dgs-3312sr stackable gigabit layer 3 switch 168 parameter description server ip enter the ip address of the tftp server where the certificate files are located. Certificate file name enter the path and the filename of the certificate file to download. This file must have a .Der extension. (ex. C:/ce...

  • Page 182

    Dgs-3312sr stackable gigabit layer 3 switch 169 note: enabling the ssl command will disable the web-based switch management. To log on to the switch again, the header of the url must begin with https://. Entering anything else into the address field of the web browser will result in an error and no ...

  • Page 183: Secure Shell (Ssh)

    Dgs-3312sr stackable gigabit layer 3 switch 170 secure shell (ssh) ssh is the abbreviation of secure shell, which is a program allowing secure remote login and secure network services over an insecure network. It allows you to securely login to remote host computers, to execute commands safely in a ...

  • Page 184

    Dgs-3312sr stackable gigabit layer 3 switch 171 to set up the ssh server on the switch, configure the following parameters and click apply. Parameter description ssh server status use the pull-down menu to enable or disable ssh on the switch. The default is disabled. Max session (1-8) enter a value ...

  • Page 185

    Dgs-3312sr stackable gigabit layer 3 switch 172 ssh algorithm the encryption algorithm window allows the configuration of the desired types of ssh algorithm used for authentication encryption. There are four categories of algorithms listed and specific algorithms in each may be enabled or disabled b...

  • Page 186

    Dgs-3312sr stackable gigabit layer 3 switch 173 aes128-cbc use the pull-down menu to enable or disable the advanced encryption standard aes128 encryption algorithm with cipher block chaining. The default is enabled. Aes192-cbc use the pull-down menu to enable or disable the advanced encryption stand...

  • Page 187

    Dgs-3312sr stackable gigabit layer 3 switch 174 ssh user authentication the following windows are user to configure parameters for users attempting to access the switch through ssh. To access the following window, click security > secure shell (ssh) > ssh user authentication. Figure 6- 6. Current ac...

  • Page 188

    Dgs-3312sr stackable gigabit layer 3 switch 175 access authentication control the tacacs / xtacacs / tacacs+ / radius commands let you secure access to the switch using the tacacs / xtacacs / tacacs+ / radius protocols. When a user logs in to the switch or tries to access the administrator level pri...

  • Page 189

    Dgs-3312sr stackable gigabit layer 3 switch 176 policy & parameters this command will enable an administrator-defined authentication policy for users trying to access the switch. When enabled, the device will check the login method list and choose a technique for user authentication upon login. To a...

  • Page 190

    Dgs-3312sr stackable gigabit layer 3 switch 177 application authentication settings this window is used to configure switch configuration applications (console, telnet, ssh, and web) for login at the user level and at the administration level (enable admin) utilizing a previously configured method l...

  • Page 191

    Dgs-3312sr stackable gigabit layer 3 switch 178 authentication server group this window will allow users to set up authentication server groups on the switch. A server group is a technique used to group radius, tacacs, tacacs+, and xtacacs server hosts into user-defined categories for authentication...

  • Page 192

    Dgs-3312sr stackable gigabit layer 3 switch 179 note: the user must configure authentication server hosts using the authentication server host settings window before adding hosts to the list. Authentication server hostsmust be configured for their specific protocol on a remote centralized server bef...

  • Page 193

    Dgs-3312sr stackable gigabit layer 3 switch 180 authentication server host this window will set user-defined authentication server hosts for the radius, tacacs, tacacs+, and xtacacs security protocols on the switch. When a user attempts to access the switch with authentication policy enabled, the sw...

  • Page 194

    Dgs-3312sr stackable gigabit layer 3 switch 181 figure 6- 14. Authentication server host setting – edit window configure the following parameters to add or edit an authentication server host: parameter description ip address the ip address of the remote server host to add. Protocol the protocol used...

  • Page 195

    Dgs-3312sr stackable gigabit layer 3 switch 182 login method lists this command will configure a user-defined or default login method list of authentication techniques for users logging on to the switch. The sequence of techniques implemented in this command will affect the authentication result. Fo...

  • Page 196

    Dgs-3312sr stackable gigabit layer 3 switch 183 figure 6- 17. Login method list – edit window to define alogin method list, set the following parameters and click apply: parameter description method list name enter a method list name defined by the user of up to 15 characters. Method 1, 2, 3, 4 the ...

  • Page 197

    Dgs-3312sr stackable gigabit layer 3 switch 184 enable method lists this window is used to set up method lists to promote users with normal level privileges to administrator level privileges using authentication methods on the switch. Once a user acquires normal user level privileges on the switch, ...

  • Page 198

    Dgs-3312sr stackable gigabit layer 3 switch 185 figure 6- 20. Enable method list – edit window to define an enable login method list, set the following parameters and click apply: parameter description method list name enter a method list name defined by the user of up to 15 characters. Method 1, 2,...

  • Page 199

    Dgs-3312sr stackable gigabit layer 3 switch 186 local enable password this window will configure the locally enabled password for enable admin. When a user chooses the local_enable method to promote user level privileges to administrator privileges, he or she will be prompted to enter the password c...

  • Page 200

    Dgs-3312sr stackable gigabit layer 3 switch 187 enable admin this window is for users who have logged on to the switch on the normal user level, and wish to be promoted to the administrator level. After logging on to the switch, users will have only user level privileges. To gain access to administr...

  • Page 201: Section 7

    Dgs-3312sr stackable gigabit layer 3 switch 188 section 7 management user accounts snmp manager user accounts use the user account management to control user privileges. To view existing user accounts, open the management folder and click on the user accounts link. This will open the user account ma...

  • Page 202

    Dgs-3312sr stackable gigabit layer 3 switch 189 modify or delete an existing user account in the user account modify table window. To delete the user account, click on the delete button. To change the password, type in the new password and retype it in the confirm new password entry field. Choose th...

  • Page 203: Snmp

    Dgs-3312sr stackable gigabit layer 3 switch 190 snmp snmp settings simple network management protocol (snmp) is an osi layer 7 (application layer) designed specifically for managing and monitoring network devices. Snmp enables network management stations to read and modify the settings of gateways, ...

  • Page 204

    Dgs-3312sr stackable gigabit layer 3 switch 191 snmp user table the snmp user table displays all of the snmp user’s currently configured on the switch. Open the management folder and then the snmp manager folder. Finally, click on the snmp user table link. This will open the snmp user table, as show...

  • Page 205

    Dgs-3312sr stackable gigabit layer 3 switch 192 to add a new entry to the snmp user table configuration, click on the add button on the snmp user table window. This will open the snmp user table configuration window, as shown below. Figure 7- 7. Snmp user table configuration window the following par...

  • Page 206

    Dgs-3312sr stackable gigabit layer 3 switch 193 snmp view table the snmp view table is used to assign views to community strings that define which mib objects can be accessed by a remote snmp manager. To view the snmp view table, open the snmp manager folder, located in the management folder, and cl...

  • Page 207

    Dgs-3312sr stackable gigabit layer 3 switch 194 snmp group table an snmp group created with this table maps snmp users (identified in the snmp user table) to the views created in the previous menu. To view the snmp group table, open the snmp manager folder, located in the management folder, and clic...

  • Page 208

    Dgs-3312sr stackable gigabit layer 3 switch 195 figure 7- 12. Snmp group table configuration window the following parameters can be set: parameter description group name type an alphanumeric string of up to 32 characters. This is used to identify the new snmp group of snmp users. Read view name this...

  • Page 209

    Dgs-3312sr stackable gigabit layer 3 switch 196 snmp community table use this table to create an snmp community string to define the relationship between the snmp manager and an agent. The community string acts like a password to permit access to the agent on the switch. One or more of the following...

  • Page 210

    Dgs-3312sr stackable gigabit layer 3 switch 197 snmp host table use the snmp host table to set up snmp trap recipients. Open the snmp manager folder, located in the management folder, and click on the snmp host table link. This will open the snmp host table page, as shown below. To delete an existin...

  • Page 211

    Dgs-3312sr stackable gigabit layer 3 switch 198 snmp engine id the engine id is a unique identifier used for snmp v3 implementations. This is an alphanumeric string used to identify the snmp engine on the switch. To display the switch's snmp engine id, open the snmp manger folder, located in the man...

  • Page 212: Section 8

    Dgs-3312sr stackable gigabit layer 3 switch 199 section 8 monitoring stack information port utilization cpu utilization packets errors size mac address switch history log igmp snooping group igmp snooping forwarding vlan status router port session table layer 3 feature traceroute browse ip address t...

  • Page 213: Stack Information

    Dgs-3312sr stackable gigabit layer 3 switch 200 stack information the dgs-3312sr switch can be used as a standalone high-capacity switch or be used in a stacked arrangement. There are two hardware requirements to use the switch in a stacked group: 1. The proper module(s) must be installed to use the...

  • Page 214

    Dgs-3312sr stackable gigabit layer 3 switch 201 to enable stacking for one or more built-in combination ports, do the following: 1. Select enable from the stack mode state drop-down menu. 2. Select the stack port by clicking to check a corresponding selection box. The stack information table display...

  • Page 215

    Dgs-3312sr stackable gigabit layer 3 switch 202 when the stacked group is connected and properly configured, the virtual stack appears in the upper right-hand corner of the web page. Figure 8- 3. Stack information web page.

  • Page 216: Port Utilization

    Dgs-3312sr stackable gigabit layer 3 switch 203 port utilization the port utilization window displays the percentage of the total available bandwidth being used on the port. To view the port utilization, click on the monitoring folder and then the port utilization link: figure 8- 4. Utilization wind...

  • Page 217: Cpu Utilization

    Dgs-3312sr stackable gigabit layer 3 switch 204 cpu utilization this cpu utilization window displays the moving average of the cpu. To view the cpu utilization, click on the monitoring folder and then the cpu utilization link: figure 8- 5. Cpu utilization window the following field can be set: param...

  • Page 218: Packets

    Dgs-3312sr stackable gigabit layer 3 switch 205 packets various statistics can be viewed as either a line graph or a table: • received packets • received unicast/multicast/broadcast packets • transmitted packet received packets click the received (rx) link in the packets folder of the monitoring men...

  • Page 219

    Dgs-3312sr stackable gigabit layer 3 switch 206 figure 8- 7. Rx packets analysis (table for bytes & packets) window select the desired switch using the unit drop-down menu and the desired port using the port drop-down menu. The time interval field sets the interval at which the error statistics are ...

  • Page 220

    Dgs-3312sr stackable gigabit layer 3 switch 207 received unicast/multicast/broadcast packets click the umb cast (rx) link in the packets folder of the monitoring menu to view the following graph of umb cast packets received on the switch. To select a port to view these statistics for, first select t...

  • Page 221

    Dgs-3312sr stackable gigabit layer 3 switch 208 figure 8- 9. Rx packets analysis (table for unicast, multicast, & broadcast) window select the desired switch using the unit drop-down menu and the desired port using the port drop-down menu. The time interval field sets the interval at which the error...

  • Page 222

    Dgs-3312sr stackable gigabit layer 3 switch 209 transmitted packets click the transmitted (tx) link in the packets folder of the monitoring menu to view the following graph of packets transmitted from the switch. To select a port to view these statistics for, first select the switch in the switch st...

  • Page 223

    Dgs-3312sr stackable gigabit layer 3 switch 210 figure 8- 11. Tx packets analysis (table for bytes & packets) window select the desired switch using the unit drop-down menu and the desired port using the port drop-down menu. The time interval field sets the interval at which the error statistics are...

  • Page 224: Errors

    Dgs-3312sr stackable gigabit layer 3 switch 211 errors various statistics can be viewed as either a line graph or a table: • received errors • transmitted errors received errors click the received (rx) link in the error folder of the monitoring menu to view the following graph of error packets recei...

  • Page 225

    Dgs-3312sr stackable gigabit layer 3 switch 212 figure 8- 13. Rx error analysis (table) window select the desired switch using the unit drop-down menu and the desired port using the port drop-down menu. The time intervalfield sets the interval at which the error statistics are updated. The following...

  • Page 226

    Dgs-3312sr stackable gigabit layer 3 switch 213 transmitted errors click the transmitted (tx) link in the error folder of the monitoring menu to view the following graph of error packets received on the switch. To select a port to view these statistics for, first select the switch in the switch stac...

  • Page 227

    Dgs-3312sr stackable gigabit layer 3 switch 214 figure 8- 15. Tx error analysis (table) window select the desired switch using the unit drop-down menu and the desired port using the port drop-down menu. The time interval field sets the interval at which the error statistics are updated. The followin...

  • Page 228: Size

    Dgs-3312sr stackable gigabit layer 3 switch 215 size various statistics can be viewed as either a line graph or a table: • packet size packet size the web manager allows packets received by the switch, arranged in six groups and classed by size, to be viewed as either a line graph or a table. Two wi...

  • Page 229

    Dgs-3312sr stackable gigabit layer 3 switch 216 figure 8- 17. Packet size analysis (table) window select the desired switch using the unit drop-down menu and the desired port using the port drop-down menu. The time interval field sets the interval at which the error statistics are updated. The follo...

  • Page 230: Mac Address

    Dgs-3312sr stackable gigabit layer 3 switch 217 mac address this allows the switch’s dynamic mac address forwarding table to be viewed. When the switch learns an association between a mac address and a port number, it makes an entry into its forwarding table. These entries are then used to forward p...

  • Page 231

    Dgs-3312sr stackable gigabit layer 3 switch 218 parameter description vlan name enter a vlan name for the forwarding table to be browsed by. Mac address enter a mac address for the forwarding table to be browsed by. Unit – port select the switch unit id of the switch in the switch stack and then the...

  • Page 232: Switch History Log

    Dgs-3312sr stackable gigabit layer 3 switch 219 switch history log the switch history window displays the switch’s history log, as compiled by the switch’s management agent. Figure 8- 19. Switch history window the switch can record event information in its own logs, to designated snmp trap receiving...

  • Page 233: Igmp Snooping Group

    Dgs-3312sr stackable gigabit layer 3 switch 220 igmp snooping group this window allows the switch’s igmp snooping group table to be viewed. Igmp snooping allows the switch to read the multicast group ip address and the corresponding mac address from igmp packets that pass through the switch. The num...

  • Page 234: Igmp Snooping Forwarding

    Dgs-3312sr stackable gigabit layer 3 switch 221 igmp snooping forwarding this window will display the current igmp snooping forwarding table entries currently configured on the switch. To view the following screen, open the monitoring folder and click the igmp snooping forwarding link. Figure 8- 21....

  • Page 235: Vlan Status

    Dgs-3312sr stackable gigabit layer 3 switch 222 vlan status this window displays the status of vlans on any switch in a switch stack managed by a dgs-3312sr. Figure 8- 22. Vlan status window.

  • Page 236: Router Port

    Dgs-3312sr stackable gigabit layer 3 switch 223 router port this displays which of the switch’s ports are currently configured as router ports. A router port configured by a user (using the console or web-based management interfaces) is displayed as a static router port, designated by s. A router po...

  • Page 237: Session Table

    Dgs-3312sr stackable gigabit layer 3 switch 224 session table this window displays the management sessions since the switch was last rebooted. Figure 8- 24. Current session table window.

  • Page 238: Layer 3 Feature

    Dgs-3312sr stackable gigabit layer 3 switch 225 layer 3 feature the switch’s layer 3 monitoring windows are described below. Traceroute the following window will aid the user in back tracing the route taken by a packet before arriving at the switch. When initiated, the traceroute program will displa...

  • Page 239

    Dgs-3312sr stackable gigabit layer 3 switch 226 browse ip address table the ip address table window may be found in the monitoring folder in the layer 3 feature sub-folder. This window allows the user to view ip addresses discovered by the switch. To search a specific ip address, enter it into the f...

  • Page 240

    Dgs-3312sr stackable gigabit layer 3 switch 227 browse routing table the routing table window may be found in the monitoring folder in the layer 3 feature sub-folder. This window shows the current ip routing table of the switch. To find a specific ip route, enter an ip address into the destination a...

  • Page 241

    Dgs-3312sr stackable gigabit layer 3 switch 228 browse ip multicast forwarding table the browse ip multicast forwarding table window may be found in the monitoring folder in the layer 3 feature sub-folder. This window will show current ip multicasting information on the switch. To search a specific ...

  • Page 242

    Dgs-3312sr stackable gigabit layer 3 switch 229 ospf monitor this section offers windows regarding ospf (open shortest path first) information on the switch, including the ospf lsdb table, ospf neighbor table and the ospf virtual neighbor table. To view these tables, open the monitoring folder, go t...

  • Page 243

    Dgs-3312sr stackable gigabit layer 3 switch 230 lsdb type displays which one of eight types of link advertisements by which the current link was discovered by the switch: router link (rtrlink), network link (netlink), summary link (summary), autonomous system link (assummary), and autonomous system ...

  • Page 244

    Dgs-3312sr stackable gigabit layer 3 switch 231 browse ospf virtual neighbor table this table can be found in the ospf monitor folder by clicking on the browse ospf virtual neighbor table link. This table displays a list of virtual ospf neighbors of the switch. The user may choose specifically searc...

  • Page 245

    Dgs-3312sr stackable gigabit layer 3 switch 232 dvmrp monitor this menu allows the dvmrp (distance-vector multicast routing protocol) to be monitored for each ip interface defined on the switch. This folder, found in the monitoring folder, offers three screens for monitoring; browse dvmrp routing ta...

  • Page 246

    Dgs-3312sr stackable gigabit layer 3 switch 233 pim monitor multicast routers use protocol independent multicast (pim) to determine which other multicast routers should receive multicast packets. To find out more information concerning pim and its configuration on the switch, see the ip multicast ro...

  • Page 247: Section 9

    Dgs-3312sr stackable gigabit layer 3 switch 234 section 9 maintenance tftp services ping test save changes factory reset restart system logout tftp services trivial file transfer protocol (tftp) services allow the switch firmware to be upgraded by transferring a new firmware file from a tftp server ...

  • Page 248

    Dgs-3312sr stackable gigabit layer 3 switch 235 download configuration file to download a configuration file from a tftp server, click on the maintenance folder and then the tftp service folder and then the download configuration file link: figure 9- 2. Use configuration file on server window enter ...

  • Page 249: Ping Test

    Dgs-3312sr stackable gigabit layer 3 switch 236 ping test ping is a small program that sends data packets to the ip address you specify. The destination node then returns the packets to the switch. This is very useful to verify connectivity between the switch and other nodes on the network. Figure 9...

  • Page 250: Factory Reset

    Dgs-3312sr stackable gigabit layer 3 switch 237 factory reset the factory reset function has several options when resetting the switch. Some of the current configuration parameters can be retained while resetting all other configuration parameters to their factory defaults. Please note that the rese...

  • Page 251: Restart System

    Dgs-3312sr stackable gigabit layer 3 switch 238 restart system the following window is used to restart the switch. Clicking the yes click-box will instruct the switch to save the current configuration to non-volatile ram before restarting the switch. Clicking the no click-box instructs the switch no...

  • Page 252: Section 10

    Dgs-3312sr stackable gigabit layer 3 switch 239 section 10 single ip management sim settings topology firmware upgrade configuration backup/restore simply put, single ip management is a concept that will stack switches together over ethernet instead of using stacking ports or modules. There are some...

  • Page 253

    Dgs-3312sr stackable gigabit layer 3 switch 240 it is not a cs or ms of another ip group. It is connected to the cs through the cs management vlan. → candidate switch (cas) – this is a switch that is ready to join a sim group but is not yet a member of the sim group. The candidate switch may join th...

  • Page 254: Sim Settings

    Dgs-3312sr stackable gigabit layer 3 switch 241 sim settings the dgs-3312sr is set as a candidate (cas) switch as its factory default configuration and single ip management will be disabled. To enable sim for the switch using the web interface, go to the single ip management folder and click the sim...

  • Page 255: Topology

    Dgs-3312sr stackable gigabit layer 3 switch 242 topology the topology window will be used to configure and manage the switch within the sim group and requires java script to function properly on your computer. The following message should appear the first time the user clicks the topology link in th...

  • Page 256

    Dgs-3312sr stackable gigabit layer 3 switch 243 to view the topology map, click the view menu in the toolbar and then topology, which will produce the following screen. The topology view will refresh itself periodically (20 seconds by default). Figure 10- 5. Topology view this screen will display ho...

  • Page 257

    Dgs-3312sr stackable gigabit layer 3 switch 244 tool tips in the topology view window, the mouse plays an important role in configuration and in viewing device information. Setting the mouse cursor over a specific device in the topology window (tool tip) will display the same information about a spe...

  • Page 258

    Dgs-3312sr stackable gigabit layer 3 switch 245 right-click right clicking on a device will allow the user to perform various functions, depending on the role of the switch in the sim group and the icon associated with it. Group icon figure 10- 8. Right-clicking a group icon the following options ma...

  • Page 259

    Dgs-3312sr stackable gigabit layer 3 switch 246 commander switch icon figure 10- 10. Right-clicking a commander icon the following options may appear for the user to configure: • collapse - to collapse the group that will be represented by a single icon. • expand - to expand the sim group, in detail...

  • Page 260

    Dgs-3312sr stackable gigabit layer 3 switch 247 member switch icon figure 10- 12. Right-clicking a member icon the following options may appear for the user to configure: • collapse - to collapse the group that will be represented by a single icon. • expand - to expand the sim group, in detail. • re...

  • Page 261

    Dgs-3312sr stackable gigabit layer 3 switch 248 candidate switch icon figure 10- 14. Right-clicking a candidate icon the following options may appear for the user to configure: • collapse - to collapse the group that will be represented by a single icon. • expand - to expand the sim group, in detail...

  • Page 262

    Dgs-3312sr stackable gigabit layer 3 switch 249 menu bar the single ip management window contains a menu bar for device configurations, as seen below. Figure 10- 17. Menu bar of the topology view the five menus on the menu bar are as follows. File • print setup - will view the image to be printed. •...

  • Page 263: Firmware Upgrade

    Dgs-3312sr stackable gigabit layer 3 switch 250 figure 10- 19. About window note: upon this firmware release, some functions of the sim can only be configured through the command line interface. See the dgs-3312sr command line interface reference manual for more information on sim and its configurat...

  • Page 264: Appendix A

    Dgs-3312sr stackable gigabit layer 3 switch 251 appendix a technical specifications general standard ieee 802.3 10base-t ethernet ieee 802.3u 100base-tx fast ethernet ieee 802.3ab 1000base-t gigabit ethernet ieee 802.1 p/q vlan ieee 802.3x full-duplex flow control ieee 802.3 nway auto-negotiation pr...

  • Page 265

    Dgs-3312sr stackable gigabit layer 3 switch 252 performance transmission method store-and-forward ram buffer 1 mb per device filtering address table: 16 k mac address per device packet filtering/ forwarding rate: full-wire speed for all connections. 148,800 pps per port (for 100mbps) 1,488,000 pps p...

  • Page 266: Appendix B

    Dgs-3312sr stackable gigabit layer 3 switch 253 appendix b cables and connectors when connecting the switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products for matching cable pin assignment. The following diagrams and tables show the standard rj-45 recep...

  • Page 267: Appendix C

    Dgs-3312sr stackable gigabit layer 3 switch 254 appendix c cable lengths use the following table to as a guide for the maximum cable lengths. Standard media type maximum distance mini-gbic 1000base-lx, single-mode fiber module 1000base-sx, multi-mode fiber module 1000base-lhx, single-mode fiber modu...

  • Page 268: Glossary

    Glossary 1000base-lx: a short laser wavelength on multimode fiber optic cable for a maximum length of 550 meters 1000base-sx: a long wavelength for a "long haul" fiber optic cable for a maximum length of 10 kilometers 100base-fx: 100mbps ethernet implementation over fiber. 100base-tx: 100mbps ethern...

  • Page 269

    Latency: the delay between the time a device receives a packet and the time the packet is forwarded out of the destination port. Line speed: see baud rate. Main port: the port in a resilient link that carries data traffic in normal operating conditions. Mdi - medium dependent interface: an ethernet ...

  • Page 270

    Fcc warning this equipment has been tested and found to comply with the limits for a class a digital device, pursuant to part 15 of the fcc rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This ...

  • Page 271

    Warranty and registration information (all countries and regions excluding usa) wichtige sicherheitshinweise 1. Bitte lesen sie sich diese hinweise sorgfältig durch. 2. Heben sie diese anleitung für den spätern gebrauch auf. 3. Vor jedem reinigen ist das gerät vom stromnetz zu trennen. Vervenden sie...

  • Page 272

    Warranty period of not less than 90 days, from date of such repair, irrespective of any earlier expiration of original warranty period. When d-link provides replacement, then the defective product becomes the property of d-link. Warranty service may be obtained by contacting a d-link office within t...

  • Page 273

    Sold "as-is" without any warranty whatsoever including, without limitation, the limited warranty as described herein, notwithstanding anything stated herein to the contrary. Submitting a claim: the customer shall return the product to the original purchase point based on its return policy. In case t...

  • Page 274

    Environment is likely to cause harmful interference to radio or television reception. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or m...

  • Page 275

    Product registration register your d-link product online at http://support.Dlink.Com/register/ product registration is entirely voluntary and failure to complete or return this form will not diminish your warranty rights..

  • Page 276

    - trademarks copyright 2005 d-link corporation. Contents subject to change without prior notice. D-link is a registered trademark of d-link corporation/ d-link systems inc. All other trademarks belong to their respective proprietors. - copyright statement no part of this publication may be reproduce...

  • Page 277

    D-link europe limited product warranty general terms the limited product warranty set forth below is given by d-link (europe) ltd. (herein referred to as "d-link"). This limited product warranty is only effective upon presentation of the proof of purchase. Upon further request by d-link, this warran...

  • Page 278

    D-link europe limited produktgarantie allgemeine bedingungen die hierin beschriebene eingeschränkte garantie wird durch d-link (europe) ltd. Gewährt (im folgenden: „d-link“). Diese eingeschränkte garantie setzt voraus, dass der kauf des produkts nachgewiesen wird. Auf verlangen von d-link muss auch ...

  • Page 279

    D-link europe a limité la garantie des produits conditions générales la garantie produit limitée énoncée ci-dessous émane de d-link (europe) ltd. (ci-après « d-link »). Cette garantie produit limitée n’est valable que sur présentation de la preuve d’achat. D-link peut également exiger la présentatio...

  • Page 280

    Garantía limitada del producto d-link europa condiciones generales esta garantía la ofrece d-link (europe) ltd. (en este documento, "d-link"). La garantía limitada del producto sólo es válida si se acompaña del comprobante de la compra. También deberá presentarse la tarjeta de garantía si d-link lo ...

  • Page 281

    D-link europe termini di garanzia dei prodotti generalità la presente garanzia viene fornita da d-link (europe) ltd. (di seguito denominata "d-link"). Essa viene riconosciuta solo se accompagnata dalla prova di acquisto. D-link può richiedere anche l’esibizione della presente cartolina di garanzia. ...

  • Page 282

    International offices u.S.A 17595 mt. Herrmann street fountain valley, ca. 92708 tel: 714-885-6000 fax 866-743-4905 url: www.Dlink.Com canada 2180 winston park drive oakville, ontario, l6h 5w1 canada tel: 1-905-8295033 fax: 1-905-8295223 url: www.Dlink.Ca europe (u. K.) 4th floor, merit house edgwar...

  • Page 283

    Registration card print, type or use block letters. Your name: mr./ms _____________________________________________________________________________ organization: ________________________________________________ dept. ____________________________ your title at organization: __________________________...