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Re: Applying the inet6 ND state engine to inet4

On Mon, Jul 13, 2020 at 3:12 AM Roy Marples <> wrote:
> Not looked at the code, but I'm pretty sure Linux does this also.
> `ip neigh` shows reachability states for IPv4 addresses.

Yes, probably.

ip -4 neigh shows reachability information, arp -a does not. The ARP
table entries seem like they are all assumed to be "good", even when
ip -4 neigh implies they are not.


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