When troubleshooting WCCP issues it is helpful to obtain the configuration information from the proxy and also specific information from the WCCP router. If you are experiencing a WCCP issue the following information will be needed:
Output of WCCP commands
Why this data needs to be gathered
The sysinfo contains policy, configuration (including WCCP settings), and detailed statistics. The packet capture will show WCCP connection messages between the ProxySG and the router in question, and the router commands show the various configuration and statistical data from the router. All are useful in finding inconsistencies and problems.