Administrator Guide

ManualsBrandsDell ManualsAccess PlatformsPowerSwitch S6000 ON

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the initial SYN packet that requests a connection to the router for a specific service (such as SSH or BGP) with a

SYN ACK, the router waits for a period of time for the ACK packet to be sent from the requesting host that will

establish the TCP connection.

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.

ipv4 unicast-host-route

Enable programming of IPv4 /32 route prefixes in L3 host table.

Syntax

[no] ipv4 unicast-host-route

Defaults Disabled by default. By default, all the IPv4 route prefixes are installed only in the LPM table.