D-Link DES-3028 User Manual - Ip Address Assignment

DES-3028 DES-3028P DES-3052 DES-3052P Layer 2 Fast Ethernet Managed Switch 

information or receive traps using SNMP v.1 while assigning a higher level of security to another group, granting read/write privi-

leges using SNMP v.3. 

Using SNMP v.3 individual users or groups of SNMP managers can be allowed to perform or be restricted from performing 

specific SNMP management functions. The functions allowed or restricted are defined using the Object Identifier (OID) 

associated with a specific MIB. An additional layer of security is available for SNMP v.3 in that SNMP messages may be 

encrypted. To read more about how to configure SNMP v.3 settings for the Switch read the section entitled Management. 

Traps 

Traps are messages that alert network personnel of events that occur on the Switch. The events can be as serious as a reboot 

(someone accidentally turned OFF the Switch), or less serious like a port status change. The Switch generates traps and sends 

them to the trap recipient (or network manager). Typical traps include trap messages for Authentication Failure, Topology Change 

and Broadcast\Multicast Storm. 

MIBs 

The Switch in the Management Information Base (MIB) stores management and counter information. The Switch uses the 

standard MIB-II Management Information Base module. Consequently, values for MIB objects can be retrieved from any SNMP-

based network management software. In addition to the standard MIB-II, the Switch also supports its own proprietary enterprise 

MIB as an extended Management Information Base. Specifying the MIB Object Identifier may also retrieve the proprietary MIB. 

MIB values can be either read-only or read-write. 

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 default 

Switch IP address to meet the specification of your networking address scheme. 

The Switch is also assigned a unique MAC address by the factory. This MAC address cannot be changed, and can be found by 

entering the command "show switch" into the command line interface, as shown below.  

Figure 4- 3.  Show switch command 

The Switch's MAC address can also be found from the Web management program on the Switch Information (Basic Settings) 

window on the Configuration menu. 

The IP address for the Switch must be set before it can be managed with the Web-based manager. The Switch IP address can be 

automatically set using BOOTP or DHCP protocols, in which case the actual address assigned to the Switch must be known. 

The IP address may be set using the Command Line Interface (CLI) over the console serial port as follows: 

Starting at the command line prompt, enter the commands  

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