Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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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 EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
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.
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.

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