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en.wikipedia.org/wiki/Point-to-Point_Protocol

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Posted by crouse

By default, all interfaces are assumed to be point-to-point connections. You must ensure that the MTU sizes on both sides of the connection are the same.

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Posted by waqasahmad

http://en.wikipedia.org/wiki/Point-to-Point_Protocol

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Posted by Hash007

A single subinterface is used to establish one PVC connection to another physical interface on a remote router. Each interface would be on the same subnet and have a single DLCI. Each point-to-point connection is its own subnet and act like a leased line.

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Posted by alaxander