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“Hello” Greetings from a Router

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Routers are social devices. They periodically broadcast a big “Hello” on their interfaces, hoping to receive positive responses. Likewise, they eagerly await similar “Hello” messages that might be broadcasted by neighboring routers.


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© 2015 Phani Raj Tadimety

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Tadimety, P.R. (2015). “Hello” Greetings from a Router. In: OSPF: A Network Routing Protocol. Apress, Berkeley, CA.

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