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Lantech LGS-1424C User Manual
Summary of LGS-1424C
Page 1
1 lantech lantech lantech lantech lgs-1424c 24 10/100/1000tx plus 4 mini gbic web managed switch user manual rev.1.13 02-jul-2008.
Page 2: Content
2 content introduction ................................................................................ 4 features .............................................................................................................. 4 software feature ..........................................................
Page 3
3 port configuration .............................................................................................. 26 802.1x configuration ......................................................................................... 27 parameters configuration .............................................
Page 4: Introduction
4 introduction the 24 10/100/1000tx plus 4 mini gbic web managed switch is a multi-port switch that can be used to build high-performance switched workgroup networks. This switch is a store-and-forward device that offers low latency for high-speed networking. The switch is targeted at workgroup, dep...
Page 5: Software Feature
5 support igmp snooping support class of service support port mirror support port trunk support rapid spanning tree supports ingress packet filter and egress rate limit support ip address security to prevent unauthorized intruder provides web interface management and one default button for system de...
Page 6
6 port statistics several of counters for tx and rx packet. Vlan port based vlan tag vlan and gvrp protocol the vlan entry up to 4k and vid up to 4094 quality of service port based tag based ipv4 tos ipv6 dscp class of service per port support 4 priority queues spanning tree ieee802.1w rapid spannin...
Page 7: Package Contents
7 package contents unpack the contents of the 24 10/100/1000tx plus 4 mini gbic web managed switch and verify them against the checklist below: 24 10/100/1000tx plus 4 mini gbic web managed switch four rubber pads rack-mounted kit power cord user manual 24 10/100/1000tx plus 4 mini gbic web managed ...
Page 8: Hardware Description
8 hardware description this section mainly describes the hardware of the 24 10/100/1000tx plus 4 mini gbic web managed switch and gives a physical and functional overview on the certain switch. Physical dimension 24 10/100/1000tx plus 4 mini gbic web managed switch’s physical dimensions is 440mm x 1...
Page 9: Led Indicators
9 4 mini gbic slot: 4 slots for inserting the mini gbic module that is optional. Reset: press the reset button for 2~5 seconds to reboot the switch or over 5 seconds to load factory default and reboot the switch. Led indicators the led indicators display real-time information of systematic operation...
Page 10: Rear Panel
10 rear panel the 3-pronged power plug is located at the rear panel of the 24 10/100/1000tx plus 4 mini gbic web managed switch as shown in figure. The switch will work with ac in the range of 100-240v ac, 50-60hz. The rear panel of 24 10/100/1000tx plus 4 mini gbic web managed switch desktop instal...
Page 11: Power On
11 switch can be placed in a wiring closet with other equipment. Perform the following steps to rack mount the switch: 1. Position one bracket to align with the holes on one side of the switch and secure it with the smaller bracket screws. Then attach the remaining bracket to the other side of the s...
Page 12: Network Application
12 network application this section provides few samples of network topology in witch the switch is used. In general, the 24 10/100/1000tx plus 4 mini gbic web managed switch is designed as a segment switch. That is, with its large address table (8k mac address) and high performance, it is ideal for...
Page 13: Segment Bridge
13 segment bridge for enterprise networks where large data broadcasts are constantly processed, this switch is an ideal solution for department users to connect to the corporate backbone. In the illustration below, two ethernet switches with pcs, print server, and local server attached, are both con...
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Page 15: Web-Based Management
15 web-based management this section introduces the configuration and functionality of the web-based management of the certain switch. About web-based management on the cpu board of the switch there is an embedded html web site residing in flash memory, which offers advanced management features and ...
Page 16: System Configuration
16 1. Launch the internet explorer 2. Key in “http://” + “ip address of the 24 10/100/1000tx plus 4 mini gbic web managed switch, ” and then press “enter” 3. Login screen will appear right after 4. Key in the default password as “root” 5. Click apply , and then configuration is ready to be set up ma...
Page 17
17 dhcp server: dhcp server ip address lease time left: dhcp lease time. After 50% of the lease time has passed, the client/switch will attempt to renew the lease with the original dhcp server that it obtained the lease from using a dhcprequest message. Any time the client/switch boots and the lease...
Page 18: Port Configuration
18 dhcp enable: enable dhcp client function fallback ip address: assigning the switch ip address. The default ip is 192.168.16.1 fallback subnet mask: assigning the switch ip subnet mask fallback gateway: assigning the switch gateway. The default value is 192.168.16.254 management vlan: it is used f...
Page 19
19 click apply to apply the configuration or, click refresh to reset the configuration before applying port configuration interface.
Page 20: Vlan Setting
20 vlan setting a virtual lan (vlan) is a logical network grouping that limits the broadcast domain, which would allows user to isolate network traffic so only the members of vlan will receive traffic from the same members of vlan. Basically, creating a vlan from a switch is logically equivalent of ...
Page 21
21 pvid: enter the port vlan id awareness: enable: transmit to the pvid group that the same with the packets’ vid. Disable: transmit to the pvid group that the same with the incoming port’s pvid. Frame type: tag: only allow tagged frame pass the port. All: allow all type of frames pass through. Clic...
Page 22: Aggregation
22 vlan port setting interface aggregation port trunk allows multiple links to be bundled together and act as a single physical link for increased throughput. It provides load balancing and redundancy of links in a switched inter-network. Actually, the link does not have an inherent total bandwidth ...
Page 23: Lacp Setting
23 that called a hash algorithm. Traffic pattern on the network should be considered carefully before applying it. When a proper hash algorithm is used, traffic is kind of randomly decided to be transmitted across either link within the trunk and load balancing will be seen. Select the group members...
Page 24
24 orderly manner. Link aggregation allow user grouping up to eight consecutive ports into a single dedicated connection. This feature can expand bandwidth to a device on the network. Lacp operation requires full-duplex mode, more detail information refers to ieee 802.3ad. Lacp setting interface pro...
Page 25: Rapid Spanning Tree
25 aggregated together click apply to apply the configuration or, click refresh to reset the configuration before applying rapid spanning tree the rapid spanning tree protocol (rstp) is an evolution of the spanning tree protocol and provides the faster spanning tree convergence after the topology ch...
Page 26
26 rstp configuration interface port configuration protocol enable: to enable or disable the port protocol.
Page 27: 802.1X Configuration
27 edge: the port directly connected to end stations cannot create bridging loop in the network. To configure the port as an edge port, mark the port path cost: the cost of the path to the other bridge from this transmitting bridge at the specified port. Enter a number 1 through 200000000 click appl...
Page 28
28 802.1x configuration interface re-authenticate: restart authentication process for the port force reinitialize: restart authentication process for the port statistics: click to view each port statistic.
Page 29: Igmp Snooping
29 re-authenticate all: restart authentication process for all the port force reinitialize all: restart authentication process for all the port click apply to apply the configuration or, click refresh to reset the configuration before applying parameters configuration reauthentication enable: enable...
Page 30
30 igmp queries and report packets and manage ip multicast traffic through the switch. The switch support ip multicast that igmp protocol can be enabled on switch then displays the igmp snooping information. Ip multicast addresses range from 224.0.0.0 through 239.255.255.255. Igmp enable: to enable ...
Page 31: Qos Setting
31 igmp snooping interface qos setting configuring qos mode of the port, per port priority, tos and cos priority setting. Mode: select the qos mode – port, dscp or vlantag port priority: select the priority level – low, normal, medium or high click apply to apply the configuration click refresh to r...
Page 32
32 qos configuration interface click vlan tag mapping to enter vlan tag priority configuration interface. Select the vlan tap priority level 0~7 click apply to apply the configuration or, click refresh to reset the configuration before applying.
Page 33
33 qos vlan tag priority mapping interface click dscp mapping to enter tos priority configuration interface dscp [0- 63]: the system provides 0~63 tos priority level. When the ip packet is received, the system will check the tos level value in the ip packet that has received. For example: user set t...
Page 34: Filter Configuration
34 priority: select the priority level – high, medium, low or normal click apply to apply the configuration or, press refresh to reset the configuration before applying qos dscp mapping interface filter configuration filter the specific ip address on port that it can ensure the network security. Mod...
Page 35: Rate Limiting
35 dhcp server allowed: allowing dhcp server packet to pass through this port click apply to apply the configuration or, press refresh to reset the configuration before applying filter configuration interface rate limiting storm control: the traffic storm control prevents lan ports from being disrup...
Page 36
36 interfaces. Icmp rate: select the icmp traffic storm control rate learn frames rate: the learn frame rate is that the packet rate is learned and unicast.Learn frames rate is to find the ethernet transfer rate but for the un-learn and flooding packets rate are no effect. Broadcast rate: select the...
Page 37: Port Mirroring
37 rate limit configuration interface port mirroring the port mirroring is a method for monitor traffic in switched networks. Traffic through ports can be monitored by one specific port. That is, traffic goes in or out monitored ports will be duplicated into analysis port..
Page 38
38 analysis port: it means mirror port can be used to see all monitor port traffic. ( mirror port can be connected to lan analyzer or netxray) monitor port: the ports which wants to be monitored. All monitor port traffic will be copied to analysis port. Maximum 23 monitor ports can be selected. Clic...
Page 39: Statistics Overview
39 statistics overview the following information provides the current port statistic information press clear button to clean all counts, and then click refresh to get the new setting information as below: statistics overview interface statistics detail the following information provides statistic de...
Page 40: Lacp Status
40 statistics detail interface lacp status when the lacp aggregator is setup, the related information will be shown as below:.
Page 41: Spanning Tree Status
41 lacp status interface spanning tree status click refresh to get the newest configuration information. The rapid spanning tree protocol information will display as below:.
Page 42
42 rstp status interface.
Page 43: Igmp Status
43 igmp status igmp snooping information will be shown as below: igmp status interface warm restart reboot the switch in software reset. All the configurations will be reminded click yes to restart the system system restart interface.
Page 44: Factory Default
44 factory default reset switch to default configuration click yes to reset the all configuration to the default value factory default interface firmware upload the system provides the web gui firmware update function which would allow the user to update the switch firmware click browse to locate th...
Page 45
45 click browse to locate the configuration value file and then, press upload to restore the configuration value configuration file transfer interface to backup the configuration value click download , and then follow the system instruction which will guide user to complete the configuration value d...
Page 46: Troubleshooting
46 troubleshooting this section is intended to help user to solve the most common problems on the24 10/100/1000tx plus 4 mini gbic web managed switch. Incorrect connections the switch port can auto detect straight or crossover cable when the switch link with other ethernet device. For the rj-45 conn...
Page 47: Diagnosing Led Indicators
47 connections or 100Ω category 5 cable for 100mbps connections. Also be sure that the length of any twisted-pair connection does not exceed 100 meters (328 feet). Gigabit port should use cat-5 or cat-5e cable for 1000mbps connections. The length does not exceed 100 meters. Improper network topologi...
Page 48: Technical Specification
48 technical specification this section provides the specifications of 24 10/100/1000tx plus 4 mini gbic web managed switch and the following table lists these specifications. Standard ieee 802.3 10base-t ethernet ieee 802.3u 100base-tx fast ethernet ieee 802.3ab 1000base-t ieee 802.3z gigabit fiber...
Page 49
49 connector gigabit copper: 24 x rj-45 with auto-mdix mini gbic: 4 x mini gbic socket (3.3v); shared with last 4-port rj-45 switch architecture store and forward switch architecture jumbo packet support 10kbytes jumbo packet size back-plane 48gbps, 71.42mpps throughput @64bytes mac address 8k mac w...
Page 50: Appendix
50 appendix cables the rj-45 ports on the switch support automatic mdi/mdi-x operation, so you can use standard straight-through twisted-pair cables to connect to any other network device (pcs, servers, switches, routers, or hubs). Please refer to the following table for cable specifications. Cable ...
Page 51
51 wire pair. All ports on this switch support automatic mdi/mdi-x operation, you can use straight-through cables for all network connections to pcs or servers, or to other switches or hubs. In straight-through cable, pins 1, 2, 3, and 6, at one end of the cable, are connected straight through to pi...