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Is it possible to have duplicate ip addresses for two serial interfaces that belong to the same router?

April 26, 2017duplicate interfaces ip addresses possible Router serial

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Is it possible to have duplicate ip addresses for two serial interfaces that belong to the same router?

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A. Yes, duplicate ip addresses are allowed on serial interfaces. It is a more efficient way of bundling links together (ie. MLPPP) and also a better way to preserve address space. Change the encapsulation from the default HDLC to PPP in order to assign duplicate ip addresses.