I think you can configure WCCP feature in ASA which lets you specify WCCP service groups and redirect web cache traffic. The feature transparently redirects selected types of traffic to a group of web cache engines to optimize resource usage and lower response times.
The Service Groups panel lets you allocate space and enable support of the specified Web Cache Communication Protocol (WCCP) service group.
Fields
â¢Service-Displays the service group name or service group number for WCCP support.
â¢Redirect List-Displays the name of the access list that controls traffic redirected to a specific service group.
â¢Group List-Displays the name of the access list that determines which web caches are allowed to participate in the service group.