I'm new to this SE forum so I hope I don't sound too dumb.
I was setting up a new rack with servers and switches and I connected the switches up to the rest of the network but I forgot to hook up the vpc peer link bewteen two of my switches on the rack (the network guy said the two switches basically act as one looking at it from a level 2 perspective, the switches are an irf pair I guess).
He went on to say by not connecting the two vpc peer links it created a loop in the network, which is why I had trouble communicating with some of the servers in the rack.
How does not having the vpc peer links create a loop? and what exactly is going on that makes it a loop?
I doubt it matters, but I'm using cisco Nexus 3548 switches.