Cisco CCNP Certification / BCMSN Exam Tutorial: The HSRP MAC Address
To pass the BCMSN exam and earn your CCNP, you’ve got to know HSRP inside and out! Part of that is knowing how the MAC address of the virtual router is derived, and another part is knowing how to change this address. We’ll look at both features in this tutorial.
We’ve got two routers on a segment running HSRP, so first we need to find out what the MAC address of the HSRP virtual router is. The show command for HSRP is show standby, and it’s the first command you should run while configuring and troubleshooting HSRP. Let’s run it on both routers and compare results.
R2#show standby
Ethernet0 – Group 5
Local state is Standby, priority 100
Hellotime 3 sec, holdtime 10 sec
Next hello sent in 0.776
Virtual IP address is 172.12.23.10 configured
Active router is 172.12.23.3, priority 100 expires in 9.568
Standby router is local
1 state changes, last state change 00:00:22
R3#show standby
Ethernet0 – Group 5
Local state is Active, priority 100
Hellotime...
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