Hello,
I don't have any experience with RTSP, but looking through RFC2326 (
Click here) and this page (
Click here), it seems like the RTSP session token is sent to the client after initial creation in an RTSP response header. You should be able to parse the session token from a response and either increment a global session counter, or add it to the BIG-IP session table. When you see a close event in the RTSP request or response, you could clear the session details from the BIG-IP. You can use the RTSP:: (
Click here) and session (
Click here) commands to implement this.
Aaron