RSTP synchronization – behind the scenes
RSTP synchronization is not widely understood and often oversimplified. This post describes how it really works in detail to give you the full picture.
Spanning tree, Switching
Spanning tree
Busting myths – Spanning tree portfast on the interface
I would like to bust a common myth. One that I’m probably guilty of preaching before as well. We all
Announcement
I have been awarded the Cisco Learning Network Technical Excellence Award
Hi guys, Just a quick one. I’ve been awarded the Cisco Learning Network Technical Excellence Award for my contributions over
Announcement
STP session up @ CLN
Hi, I’m done with the two Spanning Tree Protocol webinars at the Cisco Learning Network. You can find them here.
Announcement, Spanning tree
I’m doing two lectures at Cisco Learning Network on spanning tree
Hi guys, I am going to be doing two lectures on spanning tree over at the Cisco Learning Network. The
Netflow
Netflow – top talkers
I got a request from a friend to describe the Netflow top talkers feature. Netflow is a Cisco proprietary protocol
Catalyst, Switching
Cisco updates the Catalyst 2960 – Catalyst 2960-X and Catalyst 2960-XR
The Catalyst 2960 is a very common switch in any environment that has Cisco devices. A couple of years ago
BGP
Default routes in BGP
I have seen in forums and in other places that some find that the default route in BGP is a
NAT
NAT translation – What happened to my traceroute?
This post will describe something interesting that happens to traceroute when you are doing NAT. The inspiration for this post
Announcement
Networkengineering @ Stack Exchange
Some of you might have heard of Stack Exchange. It’s a site for a range of different topics based on