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 ...

Equal-cost multi-path allows a router to insert more than one path to a destination in the routing table to enable load balancing. Here's how ECMP works and how to configure it in OSPF. Equal-cost ...

http://ipexpert.ccieblog.com/ – In our last two installments we looked at the non-broadcast and broadcast network types for OSPF over frame-relay. In this article ...

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 ...

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 ...

“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 ...

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 ...