Content switching
In this section, we will look at troubleshooting Content Switching. CS, as it is called in short, can be thought of as the single IP face of an infrastructure that is large and complex in the background. The idea is to have the CS vServer use Administrator configured rules to choose target LB vServers that each handle load balance for a particular type of content. The rules are the main value offered here as they can get very granular in identifying minute differences between two requests.
As such, troubleshooting CS in the vast majority of cases comes down to verifying two things:
- You have the right policies in place
- The LB vServers that are bound are up
Troubleshooting service unavailable errors
I have a CS VIP (cs-vip
) that choses either the vServer base-vip
, containing only HTML, or the vServer image-vip
, containing only images by looking at the URL.
I try to access the VIP, and instead of the page with images that I expected to see, I land on a Service Unavailable error...