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Re: [DNA-BOF] Draft BoF agenda.



> In IPv4+NAT this might not be sufficient - the default router might
> be at address 10.0.0.1.

It is necessary to check *both* the IP address and MAC address as part of
the reachability demonstration.  For example, this could be done by
sending a unicast ARP Request with a destination address of the primary
default gateway MAC address. Or a broadcast Request could be sent, but the
MAC address in the Response could be checked.