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What is Path MTU Black Hole router?

April 26, 2017black hole MTU path Router

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What is Path MTU Black Hole router?

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Ans. Sometimes an IP datagram cannot be forwarded because its maximum segment size is too large for the receiving server and the Don’t Fragment bit is set in the header of the datagram. Routers that ignore these datagrams and send no message are called PMTU Black Hole routers.