On Sun, Sep 3, 2017 at 9:57 AM, Andrew Lunn <andrew at lunn.ch> wrote:

> Routers have multiple interfaces, and each interface should have an IP
> address. is the address of one interface on the
> router. Quite likely, is an address on one of the other
> interfaces of the router.

On Sun, Sep 3, 2017 at 10:07 AM, Justin Krejci <jus at krytosvirus.com> wrote:

> Routers have multiple addresses, typically at least 3 if not more: one
> facing end users, one facing upstream and a loop back address. Some network
> operators choose to use a loop back address for traffic replies in things
> such as traceroutes.

would you expect netstat -rn to report only one, more, or all?
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