Specifications

IP Switching Commands
show ip cef exact-route
ISW-166
Cisco IOS IP Switching Command Reference
May 2008
show ip cef exact-route
To display the exact route for a source-destination IP address pair, use the show ip cef exact-route
command in user EXEC or privileged EXEC mode.
show ip cef [vrf vrf-name] exact-route source-address [src-port port-number] destination-address
[dest-port port-number]
Syntax Description
Command Modes User EXEC
Privileged EXEC
Command History
Usage Guidelines When you are load balancing per destination, this command shows the exact next hop that is used for a
given IP source-destination pair.
If you configured the ip cef load-sharing algorithm include-ports command and the source,
destination, or source destination keywords, you can use the source port number or the destination port
number or both port numbers to see the load-balancing decision for a source and destination address.
These options are available only if the include-ports algorithm is enabled.
vrf (Optional) A Virtual Private Network (VPN) routing and forwarding (VRF)
instance.
vrf-name (Optional) Name assigned to the VRF.
source-address The network source address.
src-port (Optional) Specifies a source port.
port-number (Optional) The Layer 4 port number of the source IP address, if configured.
The port number can be from 0
to 65535.
destination-address The network destination address.
dest-port (Optional) Specifies a destination port.
port-number (Optional) The Layer 4 port number of the destination IP address, if
configured. The port number can be from 0
to 65535.
Release Modification
12.1(4)T This command was introduced.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
12.4(11)T The src-port port-number and dest-port port-number keywords and
arguments were added.
12.2SX This command is supported in the Cisco IOS Release 12.2SX train. Support
in a specific 12.2SX release of this train depends on your feature set,
platform, and platform hardware.