Administrator Guide

ManualsBrandsDell ManualsAccess PlatformsC9010 Modular Chassis Switch

1701

Virtual Routing and Forwarding (VRF)

ip unknown-unicast

Enable IPv4 catch-all route.

C9000 Series

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

Version Description

9.9(0.0) Introduced on the C9010.

9.7(0.1) Introduced on the S3048-ON and S4048-ON.

9.7(0.0) Introduced on the S6000-ON.

9.4(0.0) Introduced on the S–Series and Z9000.

Usage Information

Use this command to add the IPv4 catch-all route (0.0.0.0/0) in the LPM route forwarding table if it was deleted

using the no ip unknown-unicast command previously. This will be the default configuration after reload.

ipv6 unknown-unicast

Disable soft forwarding of unknown IPv6 destination packets.

C9000 Series

Syntax

[no] ipv6 unknown-unicast

Defaults Soft forwarding is enabled.