Configure one master (Router A) and one backup (Router B) routing platform. The address configured in the virtual-address statements differs from the addresses configured in the address statements. When you configure multiple VRRP groups on an interface, you configure one to be the master virtual router for that group.
On Router A
On Router B
Configuring One Router to Be the Master Virtual Router for
Configuring VRRP and MAC Source Address Filtering
The VRRP group number is the decimal equivalent of the last byte of the virtual MAC address.