Version 9.0.2.0 Introduced on the S6000.
Version 
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.8.0 Introduced on the S4810.
Usage 
Information
This command applies the service-policy based on the type of protocol defined in 
the ACL rules.
Create ACL and QoS policies prior to enabling this command.
For CoPP, use the keyword cpu-qos when creating qos-policy-input.
Related 
Commands
ip access-list extended — creates an extended IP ACL.
mac access-list extended — creates an extended MAC ACL.
qos-policy-input — creates a QoS input policy map.
class-map — creates a QoS class map.
policy-map-input — creates an input policy map.
ip unknown-unicast
Enable IPv4 catch-all route.
S4810 
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.
Control Plane Policing (CoPP)
513