Specifications

IP Switching Commands
show mls cef lookup
ISW-233
Cisco IOS IP Switching Command Reference
May 2008
show mls cef lookup
To display the IP entries in the MLS-hardware Layer 3 switching table for the specified destination IP
address, use the show mls cef lookup command in user EXEC or privileged EXEC mode.
show mls cef [ip] lookup address [detail] [module number]
Syntax Description
Defaults This command has no default settings.
Command Modes User EXEC
Privileged EXEC
Command History
Usage Guidelines This command is not supported on Cisco 7600 series routers that are configured with a Supervisor
Engine
2.
The lookup is performed as a “longest-prefix match” and displays the TCAM-entry index that applies to
the specified destination IP address.
The information output is in this format: Index, Prefix, Mask, and Adjacency.
The output of the show mls cef lookup ip and the show mls cef lookup commands is identical.
Examples This example shows how to display the longest prefix match that applies to a specific IPv4-unicast
address:
Router# show mls cef lookup 224.0.0.0
Codes: decap - Decapsulation, + - Push Label
Index Prefix Adjacency
3200 224.0.0.0/24 punt
ip (Optional) Displays IP entries in the MLS-hardware Layer 3-switching table;
see the “Usage Guidelines” section for additional information.
address IP address in the format A.B.C.D.
detail (Optional) Displays hardware-entry details.
module number (Optional) Displays the entries for a specific module.
Release Modification
12.2(14)SX Support for this command was introduced on the Supervisor Engine 720.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.