Viewing Cef Information - Cisco Catalyst 4500 Series Software Configuration Manual

Monitoring and Maintaining CEF
Command
Switch (config)# [no] ip cef load-sharing
algorithm include-ports source
destination]
The include-ports option does not apply to software-switched traffic on the Catalyst 4500 series
Note
switches.

Viewing CEF Information

You can view the collected CEF information. To view CEF information, perform this task:
Command
Switch# show ip cef
Monitoring and Maintaining CEF
To display information about IP traffic, perform this task:
Command
Switch# show interface type slot/interface
| begin L3
This example shows how to display information about IP unicast traffic on interface Fast Ethernet 3/3:
Switch# show interface fastethernet 3/3 | begin L3
L3 in Switched: ucast: 0 pkt, 0 bytes - mcast: 12 pkt, 778 bytes mcast
L3 out Switched: ucast: 0 pkt, 0 bytes - mcast: 0 pkt, 0 bytes
<...output truncated...>
Switch#
The IP unicast packet count is updated approximately every five seconds.
Note
Displaying IP Statistics
IP unicast statistics are gathered on a per-interface basis. To display IP statistics, perform this task:
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
36-8
4046399 packets input, 349370039 bytes, 0 no buffer
Received 3795255 broadcasts, 2 runts, 0 giants, 0 throttles
Chapter 36 Configuring Cisco Express Forwarding
Purpose
Enables load sharing hash function to use source
and destination ports.
Use the no keyword to set the switch to use the
default Cisco IOS load-sharing algorithm.
Purpose
Displays the collected CEF information.
Purpose
Displays a summary of IP unicast traffic.