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OSPF Graceful Shutdown

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 …

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HSRP, VRRPd, and GLBP Compared

HSRP, VRRPd, and GLBP Compared

In the world of first hop redundancy, we have plenty of choices. In order to make the right decision for your network you should know the basics regarding all three. The following …

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Bidirectional Forwarding Detection

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 …

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