networking - Use of Loopback interface in iBGP -


as understand loopback interface(127.0.0.1) used route packets source. how used talk ibgp neighbors? understand goal ensure interface doesn't go down, using emulated/software interface ensures that, how packets go out of host on loopback interface (and isn't against definition of loopback interface?). in advance.

ibgp uses interior routing protocol route packet between ibgp nodes. doesn't/can't use loopback interface. uses whatever physical interface , leads destination.


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