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.
Defaults None
Parameters
vrf vrf-name (Optional) Enter the keyword vrf followed by the name of the VRF to enable
catch-all routes corresponding to that VRF.
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S6100–ON.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.4(0.0) Introduced on the S–Series.
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