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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.
S4820T
Syntax
[no] ipv6 unknown-unicast
Defaults Soft forwarding is enabled.
Command
Modes
CONFIGURATION
Command
History
Version Description
9.7(0.0) Introduced on the S6000-ON.
Control Plane Policing (CoPP)
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