We have configured 11 switch CISCO CATALYST 2960-S (2 GBIC PORTS )and 2960-L (4 GBIC PORTS), but there is no conection (no link) over the optical fiber between two SFP GLC-SX-SM. I have searched information in the page of CISCO, but nothing about troubles with these GBICs.
The jumper and FO (single mode) was tested and approved.
Is it posible, that I must configure this ports first?
Hey all, A bit of hand-holding needed. Setting up two VLANs on a router - 10 & 20, and I'm completely stumped and could use advice. The first thing that I've setup is the gigethernet0/0/0 with an IP and, 0/0/1 with no IP (fake ip address use...