Well if I correctly understood SNAT should be used for security and for routing issues.
In our LAN all users , bigip and servers are all routed but we didn't used bigip too much until now, considering also that VIP creation enable "address Translation" by default.
I never pretty understood what "address translation" does on a VIP configuration.
What happen if for that VIP I uncheck "address translation" ? All requests are directly forwarded to nodes with no transformations and nodes will reply deirectly to the users machines?