Command Line Reference Guide

Usage
Information
You can configure the amount of time for which the device must wait before it
attempts to establish a TCP connection. Using this capability, you can limit the wait
times for TCP connection requests. Upon responding to 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.
S6000
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 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.
S6000
Syntax
[no] ipv4 unicast-host-route
Defaults Disabled by default. By default, all the IPv4 route prefixes are installed only in the
LPM table.
IPv4 Routing
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