How do the servers reach this VIP? Is the CSS the default GW or is another device? If another device maybe that is the issue and you should create a route to VIP using the CSS local subnet.If default GW is NOT the CSS check that other router to see...
What type of redundancy are the CSS running, Box-to-Box or Vip & Interface?You should check the primary css logs to see if duplicate IPs are shown during that time& confirm the CSS were configured properly for redundancy.
Is the VIP not local to the server subnet?Do the servers route through the CSS? Is it possible the servers GW bypasses the CSSCan u ping the VIP from off subnet upstream?Maybe a quick explaination on the IP'sPeter
Brian-gray,Is this still an issue? If this is inbound traffic you can create a L5 rule with a bogus service that is alive and the request will be just blackholed.
The router ID should not have any effect. The router ID in WCCP should be the highest IP on the router interface or Loopback address. If you do not like the router ID you can create a loopback address that is higher than the current router ID and c...