Multiple IPSec Phase 2

Jack37

Hi guys,
I need to create an IPSec tunnel to routing my traffic to another network

Some of my clients need to use this tunnel and each client needs a specific IP address on the tunnel

For example:
192.168.0.1
192.168.0.2
192.168.0.3

Must translated to
192.168.50.17
192.168.50.18
192.168.50.19

For testing purpose I've created a P1 phase with multiple P2 phases, and for each P2 I've mapped one IP. It seems to work

However I would like to know if this is a best practice or there is another solution, and also how many P2 phases I can create

Is there a limit?

Thanks in advance