If your network administrator will change network on hardware router, say, from 10.0.0.0/24 to 10.0.0.0/23, you will not able to add new subnet any way, because they are overlapping.
If your network administrator will change network on hardware router, say, from 10.0.0.0/24 to 10.0.0.0/23, you will not able to add new subnet any way, because they are overlapping.