OSPF neighbor problems can halt routing and disrupt entire networks, but most issues trace back to a handful of common causes. From mismatched hello timers to MTU misalignments, knowing what to check ...

I love new security testing tools. There is nothing quite like finding some magical bits of code allowing you to use and abuse protocols in unique and unnatural ways. I was introduced to Loki at ...

See how to install, set up, and use Zebra to build a Linux system that can serve as an OSPF and BGP router. You’ve no doubt heard of routers from giants such as Cisco and Nortel, but what about Linux?

I have two WAN routers, each connected to a separate ISP. I'm advertising 200.200.200.0/24 over BGP to both. My AS is 200200. Both of these WAN routers are connected to a switch fabric with my LAN ...