We recently changed a client's subnet from 192.168.1.x to 192.168.71.x. All is fine, except that we neglected to change one of their devices to the 71.x subnet.
We're remote now. If we were onsite, we could change a computer to 192.168.1.x, connect to the device, and change its IP to 192.168.71.x,, then change the computer back. But we're remote.
If we change that computer's IP to 192.168.1.x, we lose internet connectivity.
Is there a way we can still change the computer's IP to 192.168.1.x, but still use the default gateway of 192.168.71.1 to get to the device? It's looking like we may have to go onsite to do this...
This is a very simple LAN; SOHO router/firewall.