At home, we've set up a server with Windows Server 2008 R2. This server provides DNS, DHCP and a number of other services for the network.
We have a Cisco Router (not sure about model) that manages static IP addresses required for business purposes (until the ADSL line gets installed at the office) and also links us to the internet. Please note that I have a very limited understanding of how the network infrastructure is set up, so details might be incorrect.
Basically, what I've been told is that network traffic from my pc to the net looks something like
My computer > Windows Server > Cisco router > ADSL router > intenet
There's a few problems with the electrics in the house, and if, for instance, I turn my heater on at the wrong time, the breaker overloads and the whole house loses power. When we turn the power back on, the Cisco router indicates that we have internet connectivity, but the server reports Local Only access.
Whats more is that, should the power trip again while the server is reporting Local Only access, when it comes back up after the 2nd power trip, internet connectivity is restored and everything works as it should.
Can anyone explain this? It doesn't make any sense to me.