Users Guide

Virtual Routing and Forwarding

(VRF)

Virtual routing and forwarding (VRF) allows multiple instances of a routing table to coexist on the same router

at the same time.

Topics:

• ip unknown-unicast

• ipv6 unknown-unicast

• description

• ip vrf forwarding

• ip http vrf

• ip route-export

• ip route-import

• ipv6 route-export

• ipv6 route-import

• match source-protocol

• redistribute

• interface management

• maximum dynamic-routes

• show ip vrf

• show run vrf

ip unknown-unicast

Enable IPv4 catch-all route.

Syntax

ip unknown-unicast [vrf vrf-name]

To remove the IPv4 catch-all route (0.0.0.0/0) from the LPM route forwarding table in

hardware which gets added as a default configuration after the initialization of FIB

Agent module, use the no ip unknown-unicast command.

Virtual Routing and Forwarding (VRF) 1866