A couple of years ago, I set up a small 30 host network on a switch behind a Pix firewall. Now the network has almost outgrown its boundaries, and is still expanding. Because adjoining networks are already used, I cannot go from a /27 network to a ...

To make a long story short, we have a 6500 L3 switch as our core switch for our corporate LAN. There is a 3550 connected to it by fiber, and a 3750 is connected to the other side of it also by fiber. I can go to the 3550 in the middle and ping/teln...

I'm having trouble with a link that was working with a 3600 as an end device, but won't work when replaced with a stack of 3750 switches. A couple of co-workers in our group has looked at it, but can't find anything obvious.The path is from a 6500 o...

As I study for my CCNP recert, I keep seeing the word "Tag" talked about in documents for multiple protocols. I'm making good use of the Cisco site for most questions, but the concept of tags eludes me. Are route tags just something in the header t...

I'm working on my CCNP recertfication, and working through the 642-801 Sybex BSCI book. Since I don't have any ability to do hands-on IS-IS, I'm relying on using the 2501's and 2610's in my lab for IS-IS.Here's my dilema. The hands-on lab says to e...