If the clients are using the LTM virtual server as their proxy server, you couldn't just forward the traffic to the internet. The clients are connecting with a destination IP of the virtual server, so if you forwarded the traffic it would still have a destination IP of the LTM VS and the router(s) wouldn't handle the connection/would send it back to LTM.
You'd basically need LTM to act as a web proxy server. I've seen some draft iRules for this, but none that have been thoroughly tested or published. I worked on a hack of one a while back, but it didn't support the CONNECT method for HTTPS tunneling.
Are the clients using a PAC file to get directed to the LTM VS as a web proxy? If so, I wonder if you could modify that PAC file to have a default option of forwarding without a web proxy?
Aaron
Nimbostratus
