Archive for December, 2007

Two routing protocols, Same administrative distance?

Filed in Routing by on December 31, 2007 7 Comments
Two routing protocols, Same administrative distance?

What happens when a router has two routing protocols running and is receiving similar routes from each routing protocol? Easy question, right? The routing protocol with the lower administrative distance has its routes installed in the routing table (routing information base – RIB). However, an interesting question that comes up from time to time is […]

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Outage Story with VTP

Filed in Switching by on December 2, 2007 4 Comments
Outage Story with VTP

One of my accounts had an unfortunate network outage that lasted about an hour. This outage was caused by human error with VTP but not in the classic revision number way we have heard about before. Here is what happened…

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