Command
Mac-Address
Use
This command is used to logically change the mac address of an interface.
Syntax
Router(config-if)#mac-address AAAA.AAAA.AAAA
Example
In this example, we will change 2611XM’s Fa0/0 to have a mac address of AAAA.AAAA.AAAA.
2611XM(config)#int fa0/0 2611XM(config-if)#mac-address AAAA.AAAA.AAAA 2611XM(config-if)#do show interface fa0/0 FastEthernet0/0 is up, line protocol is up Hardware is AmdFE, address is aaaa.aaaa.aaaa (bia 0015.c6e2.7f20)