dc-lomnet 10.15.18.0 # CSCF (gw-dclomnet) /24 To add VRRP routing for this VLan on our OSPF core routers. On the DC Building "cs2" config router vrrp vlan 812 name dc-lom ip address 10.15.18.1/24 ip helper-address 129.97.15.253 tagged trk1 forbid trk2,trk3 vrrp vrid 254 owner virtual-ip-address 10.15.18.1/24 enable vlan 812 ip ospf area 4 passive exit exit On the DC Building "cs1" config router vrrp vlan 812 name dc-lom ip address 10.15.18.2/24 ip helper-address 129.97.15.253 tagged trk1 forbid trk3 vrrp vrid 254 backup virtual-ip-address 10.15.18.1/24 enable vlan 812 ip ospf area 4 passive exit exit mc-lomnet 10.15.28.0 # CSCF (gw-mc-lomnet) /24