[gbrayut]

Just a guess, but by using UDP transport for the encapsulated data and configuring the module on the proxy to accept UDP on a wide range of ports, you can pick any port you want (not just the destination port of the TCP stream in the encapsulated packet). And if you are using ECMP with a known hashing algorithm you can then use that UDP port to explicitly spread packets across the RX queues on the proxy servers (gaining better performance).

[bogomipz]

Thanks I think that might be what they mean - hash the source port for better distribution across the RX queues on the destination proxy. Cheers.