Discussion :: Computer Networking
- What is route poisoning?
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A.
It sends back the protocol received from a router as a poison pill, which stops the regular updates. |
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B.
It is information received from a router that can't be sent back to the originating router. |
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C.
It prevents regular update messages from reinstating a route that has just come up. |
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D.
It describes when a router sets the metric for a downed link to infinity. |
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Answer : Option D
Explanation :
Another way to avoid problems caused by inconsistent updates and to stop network loops is route poisoning. When a network goes down, the distance-vector routing protocol initiates route poisoning by advertising the network with a metric of 16, or unreachable (sometimes referred to as infinite).
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