Cisco 500 Series Content Engines

WCCP with the CE-NM Configuration Example

Document ID: 44980

Updated: Jan 30, 2006



This document provides a sample configuration for transparent caching on the Cache Engine-Network Module (CE-NM). The IP address that is specified in the router-list should be the default gateway for the CE-NM.



There are no specific requirements for this document.

Components Used

This document is not restricted to specific software and hardware versions.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.


Refer to the Cisco Technical Tips Conventions for more information on document conventions.


In this section, you are presented with the information to configure the features described in this document.

Note: In order to find additional information on the commands used in this document, use the Command Lookup Tool (registered customers only) .


This document uses these configurations:

  • Cache Engine: Web Cache Communication Protocol Version 2 (WCCP 2) and specifying Layer 2 (L2) redirection on the NM

  • 2600 Router: WCCP 2 redirection on the 2600 router

Cache Engine
Enter configuration commands, one per line. End with CNTL/Z 
ce-4(config)#wccp router-list 1

!--- This is the IP address of the Cisco 2600 router interface.

ce-4(config)#wccp web-cache router-list-num 1 l2-redirect
ce-4(config)#wccp version 2

2600 Router
cat#configure terminal 
Enter configuration commands, one per line.  End with CNTL/Z. 
cat(config)#ip wccp web-cache 
cat(config)#interface fastEthernet 2/2 

!--- Internet facing interface.

cat(config-if)#ip wccp web-cache redirect out 

!--- Internet facing interface.



This section provides information you can use to confirm your configuration is working properly.

Certain show commands are supported by the Output Interpreter Tool (registered customers only) , which allows you to view an analysis of show command output.

  • show ip wccp web-cache detail—Displays statistics for only the first packet of a Layer 2 redirected flow, which provides an indication of how many flows, rather than packets, use Layer 2 redirection.

            cat#show ip wccp web-cache detail
            WCCP Cache-Engine information: 
            IP Address: 
            Protocol Version:   2.0 
            State:              Usable 
            Redirection:        L2 
            Initial Hash Info:  00000000000000000000000000000000
            Hash Allotment:        256 (100.00%) 
            Packets Redirected:    0 
            Connect Time:          15:37:58


There is currently no specific troubleshooting information available for this configuration.

Related Information

Updated: Jan 30, 2006
Document ID: 44980