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2009-05-21

BCMSN Notes — STP States

I’ve decided to take on the CCNP certification, so I’m going to wind up with a few posts will be more my own notes than anything.  🙂 A switch port on a 2960 comes up with a default configuration on VLAN 1.  What happens from the perspective of spanning-tree? First, the port comes up on […]

2007-08-09

Mixed-platform LANs and Spanning Tree

We just an HP C-class blade chassis which included two GbE2c network modules.  These modules are Nortel switches running AlteonOS that connect the blades to the rest of your network.  When I turned these guys up the other day, every VLAN stopped working, so I ran down to the data center and unplugged the uplink.  […]