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, this is my first foray into dynamic routing and so far i have accomplished a minimum amount of setup in my environment. i have a linux based router running ospf, and two linux servers ...

Dijkstra's algorithm has long been the quickest way of finding the shortest possible paths in a network, but researchers have ...

Many enterprises use OSPF version 2 for their internal IPv4 routing protocol. OSPF has gone through changes over the years and the protocol has been adapted to work with IPv6. As organizations start ...

I got into a bit of an argument today with another engineer about this. The default bandwidth metric in OSPF is 100, so it treats any link 100 mb/s or higher as the same cost of 1. The implementation ...

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 ...