Let's clarify Spanning Tree Protocol, because it can be confusing.      I’m going to make this as painless as possible in the short beginning of this post, but details will follow for the rest that are curious in nature.    There are THREE!    802.1...

I have a couple of 5545x's running in a HA pair, were running on 9.1.5.  The environment overview, we are running a bunch of point to point vpn's into the firewalls.  The routes come into the routing table as a static with an AD of 1.  As most people...

As some of you are probably aware, we are out of IPv4 public address's now.  Well, I have a client that has a IPv4 block, but is owned by the service provider.  They need to get there own IPv4 address block from ARIN, but there is none left, that lea...