CSGRADnet 129.97.78.0 # Math,CS (cn-exsw18-csgradnet) /24 To remove this vlan from an Extreme router disable irdp vlan "csgradnet" configure rip delete "csgradnet" disable ipforwarding "csgradnet" unconfigure vlan "csgradnet" ipaddress To add VRRP routing for this VLan on our OSPF core routers. On "dc3558-cs2" router vrrp vlan 78 name csgradnet ip address 129.97.78.1/24 tagged trk1 vrrp vrid 78 owner virtual-ip-address 129.97.78.1/24 enable vlan 78 ip ospf 129.97.78.1 area 4 exit exit On "dc3558-cs1" router vrrp vlan 78 name csgradnet ip address 129.97.78.2/24 tagged trk1 vrrp vrid 78 backup virtual-ip-address 129.97.78.1/24 enable vlan 78 ip ospf 129.97.78.2 passive exit exit