Cisco 500 Series Content Engines

Document ID: 44980

PDF Downloads WCCP with the CE-NM Configuration Example

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Introduction

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.

Prerequisites

Requirements

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.

Conventions

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

Configure

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) .

Configurations

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

ce-4#config 
Enter configuration commands, one per line. End with CNTL/Z 
ce-4(config)#wccp router-list 1 10.1.1.1


!--- 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
ce-4(config)#^Z 

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.

cat(config-if)#^Z 

Verify

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:         10.1.1.2 
          Protocol Version:   2.0 
          State:              Usable 
          Redirection:        L2 
          Initial Hash Info:  00000000000000000000000000000000
                              00000000000000000000000000000000 
          Assigned Hash Info: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 
                              FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF 
          Hash Allotment:        256 (100.00%) 
          Packets Redirected:    0 
          Connect Time:          15:37:58
  

Troubleshoot

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

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Related Information

• 2600/3600/3700 Series Content Engine Modules Hardware Support
• Cache Engine 500 Series Hardware Support
• Cisco Cache Engine 2.0 Software Downloads ( registered customers only)
• Cisco Cache Engine 3.0 Software Downloads ( registered customers only)
• Technical Support & Documentation - Cisco Systems