Monitoring And Maintaining Cef; Displaying Ip Statistics - Cisco 4500M Software Manual

Monitoring and Maintaining CEF

For more information on load sharing, refer to the Configuring Cisco Express Forwarding module of the
Cisco IOS documentation at this URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fwitch_c/swprt1/
xcfcefc.htm
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:
Command
Switch# show interface type number
counters detail
Software Configuration Guide—Release 12.2(25)EW
24-8
4046399 packets input, 349370039 bytes, 0 no buffer
Received 3795255 broadcasts, 2 runts, 0 giants, 0 throttles
Chapter 24 Configuring Cisco Express Forwarding
Purpose
Displays the collected CEF information.
Purpose
Displays a summary of IP unicast traffic.
Purpose
Displays IP statistics.
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