Cisco Systems WSC4500X16SFP Manual De Usuario

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Software Configuration Guide—Release 12.2(25)SG
OL-7659-03
Chapter 23      Configuring Cisco Express Forwarding
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: 
Note
The include-ports option does not apply to software-switched traffic on the Catalyst 4500 series 
switches.
Viewing CEF Information
You can view the collected CEF information. To view CEF information, perform this task:
Monitoring and Maintaining CEF
To display information about IP traffic, perform this task:
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 
     4046399 packets input, 349370039 bytes, 0 no buffer
     Received 3795255 broadcasts, 2 runts, 0 giants, 0 throttles
<...output truncated...>
Switch#
Note
The IP unicast packet count is updated approximately every five seconds.
Displaying IP Statistics
IP unicast statistics are gathered on a per-interface basis. To display IP statistics, perform this task:
Command
Purpose
Switch# show ip cef 
Displays the collected CEF information.
Command
Purpose
Switch# show interface 
type slot/interface 
begin L3
Displays a summary of IP unicast traffic.
Command
Purpose
Switch# show interface 
type number 
counters detail
Displays IP statistics.