If the content switching feature does not work as expected after you have configured it, you can use some common tools to access NetScaler resources and diagnose the problem.
For best results, use the following resources to troubleshoot a content switching issue on a NetScaler appliance:
The most common content switching issues involve the content switching feature not working at all, or working only intermittently, and Service Unavailable responses.
The content switching feature is not functioning.
Client receives a 503 - Service Unavailable response.
Intermittently, the content switching feature is not working as expected.
show cs vserver <CS VServer>
show cs policy <CS Policy>
stat cs vserver <CS VServer>