TimA:sbiddle:Atlanta55: Indeed. What would the odds of those kind of events happening in our case?
What are the chances of somebody creating a loop with switches all over the place? From my experience it's very high.
The Famous TimA Loopback cable.
I went to a mates house to fix an issue and thought it was the switch. After tearing hair out and spending 20 minutes figuring out where everything went it was a cable going back into its own switch...
gezz remind me to get you in next time i have a problem ;)