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router

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by avi_is_here

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Why a loopback address is required on a router?

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by gurowar

You really don't need a loopback address but a loopback address is good to have because the loopback address is always up so you will be able to telnet/ssh to it remotely now if use a physical interface and that interface goes down you will not be able to get into the router till that interface comes back active.

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