Hi all - I was helping connect another building and this involved two links that serve different vlans. The links are on one switch not owned by us (Cisco) from our main IT group and then ours ...

I have 2 Catalyst 6506-NEB's and a Catalyst 4006 all connected to each other through dot1q trunks. One of the 6506's is used for backup purposes therefore I would like all vlan traffic to transverse ...

I am amazed by the number of networks that I encounter that do not have optimal spanning tree configurations. I first read Radia Perlman’s book “Interconnections” back in 1994. I am amazed that 15 ...

Those who had an opinion last week were split evenly: CCNA labs need either 2 or 3 switches, and CCNP labs need either 3 or 4. But why? We saw a few opinions floating around the blog last week, but ...