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 ...

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 ...

Cisco fixed two high severity vulnerabilities in two products this week that could have let an attacker trigger a denial of service condition or bypass local authentication. Cisco fixed 15 ...

Even if you work in an OSPF shop, most people don’t look OSPF database every day. Most people don’t think about the cost of OSPF routes by thinking about what LSAs the SPF algorithm examines to find ...

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 ...