The document provides Web Cache Communication Protocol (WCCP) support
for Cisco IOS® software and Cisco Content Engine software. WCCP is implemented
within software-switching paths of all supported platforms shown in the table
below. WCCP is available for process-, fast-, and Cisco Express Forward- (CEF-)
based forwarding paths.
WCCP, developed by Cisco, specifies interactions between one or more
routers (or Layer 3 switches), and one or more Web caches. The interaction
establishes and maintains the transparent redirection of selected types of
traffic flowing through a group of routers. The selected traffic is redirected
to a group of Web caches with the aim of optimizing resource usage and lowering
For more information on document conventions, see the
Cisco Technical Tips
There are no specific prerequisites for this document.
This document is not restricted to specific software and hardware
The information presented in this document was created from devices in
a specific lab environment. All devices used in this document started with a
cleared (default) configuration. If you are working in a live network, ensure
that you understand the potential impact of any command before using it.
You can verify the platform and Cisco IOS software release on a router
for the respective WCCP version (Version 1 (v1) or Version 2 (v2) ) by using
the Cisco IOS
(registered customers only)
The table below shows what version of WCCP is supported on the
respective Content Engine software.
Content Engine Version
1.76 or higher