Reference Guide

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.
show ip tcp initial-time
Displays the interval that you configured for the device to wait before the TCP connection is attempted to
be established. This command is supported on the , , S6000, , and MXL platforms.
Syntax
show ip tcp initial-time
Command
Modes
EXEC
EXEC Privilege
Command
History
Version 9.3(0.0) Introduced on the S4810, S4820T, S6000, Z9000, and MXL
platforms.
IPv4 Routing
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