A complex routing protocol that shares information with other routers in order to determine the best path. IS-IS was the first comprehensive link state protocol, and OSPF and NLSP evolved from it.

Routing is the process of determining where to send data packets that are destined for addresses outside the local network. Routers gather and maintain routing information to enable the transmission ...

Today’s post is about one of the most basic OSPF rules. I was often called upon, in past jobs, to conduct technical interviews with applicants to network engineering and professional services ...