On mer. 24 mai 12:17:50 2017, William Gathoye wrote:
> In this use case, you make the assumption that my gateway is actually
> the first one to respond, this is why you select only the first answer
> using -c1. But as you can see below, if I remove that argument, several
> routers are answering to me (seems sensible to me), how can I be sure my
> gateway is actually the first device that answers?

You can check the MAC address of the gateway of OVH and compare it with
each fe80 address.

-- 
alarig

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