Why “Arp” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
Running FreeBSD on a Lenovo Thinkbook 16 G7 ARP that was bought brand new less than a year ago. Everything except the wifi works flawlessly (daily driver for working). And the w…
by liendolucas · Sep 22, 2026
> Yes. The interaction of UDP and IP _is_ a layering violation, just like NATs or even VPNs. IP and ARP are not. Are you saying L4<->L3 mixing is a layering violation but L3<->L…
by zamadatix · Sep 17, 2026
> Mostly because of a historic accident. This is where assumption fails, in the original formulation it was even called the multicast bit (instead of the I/G bit) and broad…
by zamadatix · Sep 17, 2026
> Have you ever asked yourself why there would be 140,737,488,355,328 (half of all) MAC addresses reserved for broadcast if it had no utilities over setting ff:ff:ff:ff:ff:ff? M…
by cyberax · Sep 17, 2026
> Maybe you're used to layering in areas of CS outside of networking? E.g. page 476 of TCP IP Illustrated by Fall and Stevens gives an example in the opposite direction than wha…
by cyberax · Sep 17, 2026
> In ND, I do the same to be able to DAD my link local address by saying I'm :: (also all 0s) but at least the destination is still not ff:ff:ff:ff:ff:ff There is no real differ…
by cyberax · Sep 16, 2026
Interest
Proportion of Hacker News items mentioning "arp" over time.
Mentions
Total number of Hacker News items mentioning "arp" over time.
Arp or ARP may refer to: Read more on Wikipedia