Looking for some advice,
Currently we are using 4 virtual web appliances with 1 management appliance. 2 egress points, with 2 virtual appliances each (configured for large). We have approx ~2000 users.
It seems about once every 2 weeks, our internet access coming out of one of the egress points will come to a halt. No one behind that firewall will be able to access the internet, and the only solution is to reboot the web appliances inspecting traffic to that firewall. Troubleshooting what exactly causes this to happen can be troublesome.
When this happens, about ~1000 users are unable to access the internet. Our company is somewhat heavily based on being able to access the internet at any given time. We end up having to waiting to call support, get them on the phone, having them check the back-end of the appliances to see what is causing it takes time. All the while a majority of our user population can not access the internet. From what support has told me, it seems to be a large number of connections to certain streaming sites, causing this behavior. We end up having to just reboot the Web Appliances (clearing the connections), but never really getting a fix.
The only fix purposed by support was to find these sites, either bypass them in the wccp rules, or blocking connectivity to this site. While this would fix it for a specfic site, we would just be waiting for this to happen with another site.
Has anyone run into anything like this before? I can't imagine we're the only ones. :smileyfrustrated:
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