Even Jeff Doyle tells me that I should do a little blogging with OSPF. What’s a networker to do with that kind of backing? And a few others expressed some interest as well – in understanding LSAs ...

So I've been messing around in GNS3 and created a topology which isn't quite working: Now, obviously this is a discontiguous network (I'm messing around to try and make stuff work when it ordinarily ...

http://ipexpert.ccieblog.com/ – OSPF is a topic that must be absolutely mastered for the CCIE lab exam. Many students understand the fundamental concepts, but get ...

LAS VEGAS — A researcher at Black Hat has revealed a vulnerability in the most common corporate router protocol that puts networks using it at risk of attacks that compromise data streams, falsify ...

OSPF is a popular interior gateway protocol, frequently encountered by network engineers. Here's how to get it up and running in a network. Open shortest path first, or OSPF, is a routing protocol ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...