VRF Configuration tasks;

  • Create a VRF table
  • Assign RD to the VRF
  • Specify export and import route targets
  • (optional) Configure a VPN ID
  • Assign interfaces to VRFs

Commands;

(config)# ip vrf <name>
(config-vrf)# rd route-distinguisher - can be 16 bit AS number: 32 bit decimal no OR 32 bit IP:16 bit decimal
(router(config-vrf)# route-target export RT
(config-vrf)# route-target import RT
(config-vrf)# route-target both RT

VPN ID config;

(config)# ip vrf vrf-name
(config-if)# vpn id oui:vpn-index
(config-if)# ip vrf forwarding vrf-name #! then resign the IP address