I'm getting an issue where sometimes it looks like the server is getting confused and the internet doesn't work unless I disable the internal network card, then the internet on the server works straight away, it looks like when the internal network card is enabled the server doesn't know whether to pull the internet from, the isp network card or the internal one, what could be happening?
I say sometimes because my setup was working for a while but I'm not sure what's changed, I really think nothing has changed though. And this did happen once before so I reset the server and it was fine. It's not a traffic issue as I remove all the clients except for one for testing purposes.
Clients are pointed to 192.168.0.1 for the gateway