As I feel this may be a regular section of the blog due to my lack of availability. Please suggest a better name for this “series”. I would certainly appreciate it, as would my readers who have heard enough of my bad humor… SSL as we know it has been compromised! The other Tony, as […]
OSPF Graceful Shutdown
Striving to reach that last 9? Looking for a way to increase your uptime while still being able to do maintenance on your network? Wish you could shutdown your OSPF neighbors like your BGP peers? Ok, enough sales talk. Achieving HA uptimes when you need to do maintenance is far from simple, even if you […]
Bidirectional Forwarding Detection
Bidirectional Forwarding Detection (BFD) is a UDP-based protocol that provides fast (very fast!) routing protocol independent detection of layer-3 next hop failures. BFD can be used to replace the routing protocol timers with a fast and reliable failure detection mechanism. BFD also provides low-overhead detection of faults even on interfaces that don’t support failure detection […]
