I have 4 cisco Catalyst 3750 switches with IOS ™ C3750 Software (C3750-I9-M), Version 12.1(19)EA1d RELEASE SOFTWARE (fc1)
we need to connect our police and fire departments to cityhall with fiber. the 3 locations are on 3 different class b subnets.
My question is can I plug the fiber directly into a fiber GBIC on the 3750's and create VLANs and Route between them internally with the 3750. And if so how is this done. I have very little knowlege in working with cisco switches. I've done some internet searches but everything is so cryptic its hard to tell if what I'm reading is what I need to do.