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 ...

In modern computer networks, the ability to manage traffic efficiently is essential to ensuring reliability, scalability, and seamless communication. The exponential growth of digital demands has made ...

Well, at least one of you asked… and I did promise! Next we’ll move on to Type 5 (external) LSAs. (yeeha!) But if you didn’t yet vote for your top requests from Santa for this year, at least relative ...

Use Zebra to set up a Linux BGP/OSPF router Your email has been sent See how to install, set up, and use Zebra to build a Linux system that can serve as an OSPF and ...

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 ...

“DNS is down and nothing is working!” is not something anyone ever wants to hear at 3am. Virtually every service on a modern network depends on DNS to function. When DNS goes down, you can't send mail ...

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 ...