Unable to Open Office Documents for Edit From SharePoint Behind Cisco CSS Load Balancer

Unable to Open Office Documents for Edit From SharePoint Behind Cisco CSS Load Balancerhttp://blogs.msdn.com/vsofficedeveloper/archive/2008/10/03/SharePoint-Cisco-CSS-Problem-Summary.aspxIf you use a Cisco CSS switch for load balancing or content caching to a SharePoint Server farm, you may be unable to edit Office documents correctly if the switch is configured for Layer 5 content rules. By default, the Cisco CSS switch will block certainen-USCommunityServer 2.1 SP1 (Build: 61025.2)