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32 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Configuring basic port parameters
2
Configuring a local MAC address for Layer 2 management traffic
By default, Layer 2 devices use the MAC address of the first port as the MAC address for Layer 2
management traffic. For example, when the Dell PowerConnect device receives an ARP request for
its management IP address, it responds with the first port MAC address. This may cause problems
in some configurations where the Dell PowerConnect device uses the same MAC address for
management traffic as for switched traffic.
You can configure the Dell PowerConnect device to use a different MAC address for Layer 2
management traffic than for switched traffic. When you issue the use-local-management-mac, the
Dell PowerConnect device changes a local bit in the first port MAC address and uses this MAC
address for management traffic. The second bit of the first port MAC address is changed to 2. For
example, if the MAC address is 00e0.5201.9900 after the feature is enabled, the switch uses
02e0.5201.9900 for management functions. Switched traffic will continue to use the first port
MAC address without the local bit setting.
Example
PowerConnect(config)# use-local-management-mac
PowerConnect(config)# write memory
PowerConnect(config)# end
PowerConnect# reload
Syntax: [no] use-local-management-mac
NOTE
You must save the configuration and reload the software to place the change into effect.
NOTE
This feature is only available for the switch code. It is not available for router code.
Configuring basic port parameters
The procedures in this section describe how to configure the port parameters shown in Table 6.
All Dell PowerConnect ports are pre-configured with default values that allow the device to be fully
operational at initial startup without any additional configuration. However, in some cases,
changes to the port parameters may be necessary to adjust to attached devices or other network
requirements.
Assigning a port name
A port name can be assigned to help identify interfaces on the network. You can assign a port
name to physical ports, virtual interfaces, and loopback interfaces.
To assign a name to a port.
PowerConnect(config)# interface ethernet 2
PowerConnect(config-if-e1000-2)# port-name Marsha
Syntax: port-name <text>
The <text> parameter is an alphanumeric string. The name can be up to 64 characters long. The
name can contain blanks. You do not need to use quotation marks around the string, even when it
contains blanks.