Re: Applying the inet6 ND state engine to inet4

To: Roy Marples <roy%marples.name@localhost>, tech-net%netbsd.org@localhost
Subject: Re: Applying the inet6 ND state engine to inet4
From: Andy Ruhl <acruhl%gmail.com@localhost>
Date: Mon, 13 Jul 2020 07:25:07 -0700

On Mon, Jul 13, 2020 at 3:12 AM Roy Marples <roy%marples.name@localhost> 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.

Andy

References:
- Applying the inet6 ND state engine to inet4
  - From: Roy Marples
- Re: Applying the inet6 ND state engine to inet4
  - From: Ted Lemon
- Re: Applying the inet6 ND state engine to inet4
  - From: Roy Marples
- Re: Applying the inet6 ND state engine to inet4
  - From: Andy Ruhl
- Re: Applying the inet6 ND state engine to inet4
  - From: Roy Marples

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