This post will describe something interesting that happens to traceroute when you are doing NAT. The inspiration for this post came from a thread at IEOC started by Nick O’neill. He was doing ip nat outside translation but I have
Networkengineering @ Stack Exchange
Some of you might have heard of Stack Exchange. It’s a site for a range of different topics based on Q&A format. Recently there was a new section started for network engineering. It was in private beta and now it
STP convergence – MST
In the comments I received a wish to compare RPVST+ with MST. RPVST+ is Ciscos proprietary STP running one instance per VLAN over 802.1Q trunks. MST is an industry standard which can run multiple instances but not one per VLAN.
Spanning tree convergence
Someone asked the other day how fast STP converges depending on PVST+ or RPVST+ or MST is running. Usually the answer for PVST+ is 30-50 seconds and for RPVST+ it’s fast, maybe less than a second. I thought I would
Routing-bits SP handbook now available
We are many CCIE RS candidates that have used Ruhanns RS handbook to aid us in passing the CCIE lab. Ruhann has now released a SP handbook as well to aid all SP candidates. Who is Ruhann? Ruhann du Plessis