IP Forwarding Virtual Server v/s SNAT

So, if we want to do selective snat, a forwarding vserver and irule is the way to go. Cannot do this by only creating a snat object and specifying inside/outside addresses.

it may also be possible but i normally prefer using virtual server because it is more granular (i.e. irule) and it is single point of configuration (i.e. virtual server).

in case you want to use virtual server and snat list, you may create performance layer4 virtual server listening on campus subnet and use gateway pool which allow-snat is disabled. so, traffic destined to campus subnet will hit this virtual server and be sent to the pool. since snat is not allowed on the pool, snat list is not applied. this is just one example of possible configuration. ;-)