DELL 9.8(0.0) User Manual

ip unknown-unicast

Enable IPv4 catch-all route.

S4820T

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

9.7(0.0)

Introduced on the S6000-ON.

9.4(0.0)

Introduced on the S–Series.

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.