Isolation interface port2 and Isolation scopes

Hello everyone,

I would like to know, can the isolation interface port2 and isolation scope be in the same network, example : 

Isolation interface :

• 192.168.10.2
• Gateway : 192.168.10.1

Isolation scope : 

• Gateway : 192.168.10.1
• lease pool : 192.168.10.3 - 192.168.10.100

I've seen the majority of articles use seperate subnets and some articles use them in the same subnet. Can anyone explain pls ?

Thanks in advance.

BR,