Specifications

IP Switching Commands
show mls cef rpf
ISW-238
Cisco IOS IP Switching Command Reference
May 2008
show mls cef rpf
To display the information about the Reverse Path Forwarding (RPF) hardware in the Multilayer Switching
(MLS)-hardware Layer
3-switching table, use the show mls cef rpf command in user EXEC or privileged
EXEC mode.
show mls cef [ip] rpf [ip-address] [module num]
Syntax Description
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.
If you enter the show mls cef ip rpf command without arguments, the RPF global mode status is
displayed.
The output of the show mls cef ip rpf and the show mls cef rpf commands is identical.
Examples This example shows how to display the status of the RPF global mode:
Router# show mls cef rpf
RPF global mode: not enabled
Router#
This example shows how to display the RPF information for a specific IP address:
Router# show mls cef rpf 10.100.0.0
RPF information for prefix 10.100.0.0/24
uRPF check performed in the hardware for interfaces :
GigabitEthernet1/1
Router#
ip (Optional) Displays IP entries in the MLS-hardware Layer 3-switching table; see the
“Usage Guidelines” section for additional information.
ip-address (Optional) IP address.
module num (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.