B-4
MAC Address Management
Determining MAC Addresses
MAC Address Management
CLI: Viewing the Port and VLAN MAC Addresses
The MAC address assigned to each switch port is used internally by such
features as Flow Control and the Spanning Tree Protocol. Determining the
MAC address assignments for individual ports can sometimes be useful when
diagnosing switch operation. To display these addresses, use the walkmib
command at the command prompt:
Note This procedure displays the MAC addresses for all ports and existing VLANs
in the switch, regardless of which VLAN you select.
1. If the switch is at the CLI Operator level, use the enable command to enter
the Manager level of the CLI.
2. Type the following command to display the MAC address for each port on
the switch:
HP2512# walkmib ifPhysAddress
(The above command is not case-sensitive.)
The following figure is an example of the display:
Figure B-2. Example of Port MAC Address Assignments
ifPhysAddress.1 - 12: Fixed Ports 1 - 12
ifPhysAddress.13 - 14: Transceiver Ports
ifPhysAddress.29 Base MAC Address (MAC
Address for default VLAN;
VID = 1)
ifPhysAddress.50 & 61 MAC Addresses for
non-default VLANs.
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