VRF — Several Routers in One

VRF gives one router multiple independent routing contexts — separate RIB, separate CEF table, separate routing processes. Overlapping IPs across tenants are fine; a failure in one VRF doesn’t touch the others. vrf forwarding on an interface removes its IP — re-add the address afterwards. Each VRF runs its own OSPF/EIGRP/BGP: router ospf 10 vrf […]