Service Manual

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
9.8(0.0) Introduced on the S3048-ON and S4048-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.
ipv6 unknown-unicast
Disable soft forwarding of unknown IPv6 destination packets.
Syntax
[no] ipv6 unknown-unicast
Defaults Soft forwarding is enabled.
Command Modes CONFIGURATION
Command History
Version Description
9.8(0.0) Introduced on the S3048-ON and S4048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.4(0.0) Introduced on the S4810, S4820T, S6000, and Z9000.
Usage Information All the default catch-all entries in the longest prefix match (LPM) table collect and
transmit all unresolved IPv6 packets to the CPU, even if they are destined for
unknown destinations.
Control Plane Policing (CoPP)
549