Gobo

Then it works. Just not in the way you wanted

For some reason the SMB2 theme song is stuck in my head all the time. Something about the jazziness of it.

Your current default gateway for your existing 192 network needs to have a route to your 10 network. Otherwise none of your devices in the 192 network know where to go to access the 10 network.

Have you looked into bulk rename utility?

https://www.bulkrenameutility.co.uk/