CHAPTER
35-1
Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E
78-14064-04
35
Configuring Web Cache Services Using WCCP
This chapter describes how to configure the Cisco 7600 series routers to redirect traffic to cache engines
(web caches) using the Web Cache Communication Protocol (WCCP), and describes how to manage
cache engine clusters (cache farms).
Note • To use the WCCP Layer 2 PFC redirection feature, configure WCCP on the Cisco 7600 series router
as described in this chapter and configure accelerated WCCP on the cache engine as described in
the following publication:
http://www.cisco.com/univercd/cc/td/doc/product/webscale/uce/acns42/cnfg42/transprt.htm#xtocid34
• A future release of Cisco Application and Content Networking System (ACNS) software (Release
4.2.2 or later) supports the ip wccp service accelerated command with a PFC2 and
Release 12.1(13)E and later releases.
This chapter consists of these sections:
• Understanding WCCP, page 35-1
• Restrictions for WCCPv2, page 35-6
• Configuring WCCP, page 35-7
• Verifying and Monitoring WCCP Configuration Settings, page 35-11
• WCCP Configuration Examples, page 35-11
Note The tasks in this chapter assume that you have already configured cache engines on your network. For
specific information on hardware and network planning associated with Cisco Cache Engines and
WCCP, see the Product Literature and Documentation links available on the Cisco.com Web Scaling site
at http://www.cisco.com/warp/public/cc/pd/cxsr/ces/index.shtml.
Understanding WCCP
These sections describe WCCP:
• WCCP Overview, page 35-2
• Hardware Acceleration, page 35-2
• Understanding WCCPv1 Configuration, page 35-3
• Understanding WCCPv2 Configuration, page 35-4
• WCCPv2 Features, page 35-5
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