simple answer masquerading translates n:1 using an internal port mapping table.
With SNAT you can be much more specific - normally you'd use it to translate single internal host IPs into a public one (1:1) and in addition you could translate only packets with a certain destination or source port.
simple answer masquerading translates n:1 using an internal port mapping table.
With SNAT you can be much more specific - normally you'd use it to translate single internal host IPs into a public one (1:1) and in addition you could translate only packets with a certain destination or source port.