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From: David Gibson <david@gibson.dropbear.id.au>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: Jon Maloy <jmaloy@redhat.com>, dgibson@redhat.com, passt-dev@passt.top
Subject: Re: [PATCH v9 9/9] arp/ndp: send gratuitous ARP / unsolicitated NA when MAC cache entry added
Date: Tue, 30 Sep 2025 10:15:21 +1000	[thread overview]
Message-ID: <aNshGSThHwRuvuGh@zatzit> (raw)
In-Reply-To: <20250930002344.638eb34e@elisabeth>

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On Tue, Sep 30, 2025 at 12:23:44AM +0200, Stefano Brivio wrote:
> On Mon, 29 Sep 2025 14:08:27 +1000
> David Gibson <david@gibson.dropbear.id.au> wrote:
> 
> > Instead, it advises sending ARP requests in order to announce a MAC to
> > the networm.
> 
> Network, you meant network! The other plan is not public yet. :)

Turns out the only portable way to do ARP announcements is to infect
the other hosts and fix the bugs in their ARP handling. :)

-- 
David Gibson (he or they)	| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you, not the other way
				| around.
http://www.ozlabs.org/~dgibson

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      reply	other threads:[~2025-09-30  0:23 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-24  1:13 [PATCH v9 0/9] Use true MAC address of LAN local remote hosts Jon Maloy
2025-09-24  1:13 ` [PATCH v9 1/9] netlink: add subsciption on changes in NDP/ARP table Jon Maloy
2025-09-24  2:47   ` David Gibson
2025-09-24  3:34     ` David Gibson
2025-09-24 18:40     ` Jon Maloy
2025-09-25  6:42       ` David Gibson
2025-09-24  1:13 ` [PATCH v9 2/9] fwd: Add cache table for ARP/NDP contents Jon Maloy
2025-09-24  3:03   ` David Gibson
2025-09-24 18:54     ` Jon Maloy
2025-09-24  1:13 ` [PATCH v9 3/9] arp/ndp: respond with true MAC address of LAN local remote hosts Jon Maloy
2025-09-24  1:13 ` [PATCH v9 4/9] flow: add MAC address of LAN local remote hosts to flow Jon Maloy
2025-09-24  1:13 ` [PATCH v9 5/9] udp: forward external source MAC address through tap interface Jon Maloy
2025-09-24  1:13 ` [PATCH v9 6/9] tcp: " Jon Maloy
2025-09-24  1:13 ` [PATCH v9 7/9] tap: change signature of function tap_push_l2h() Jon Maloy
2025-09-24  1:13 ` [PATCH v9 8/9] icmp: let icmp use mac address from flowside structure Jon Maloy
2025-09-24  1:13 ` [PATCH v9 9/9] arp/ndp: send gratuitous ARP / unsolicitated NA when MAC cache entry added Jon Maloy
2025-09-24  3:22   ` David Gibson
2025-09-24 22:18     ` Jon Maloy
2025-09-24 23:32       ` Jon Maloy
2025-09-25  6:38         ` David Gibson
2025-09-25 12:48           ` Jon Maloy
2025-09-26  0:47             ` David Gibson
2025-09-26 22:59               ` Jon Maloy
2025-09-29  4:03                 ` David Gibson
2025-09-25  6:36       ` David Gibson
2025-09-25 13:14         ` Jon Maloy
2025-09-26  0:55           ` David Gibson
2025-09-26 23:05             ` Jon Maloy
2025-09-29  4:04               ` David Gibson
2025-09-26 23:25     ` Jon Maloy
2025-09-27 19:32       ` Jon Maloy
2025-09-29  4:08         ` David Gibson
2025-09-29 22:23           ` Stefano Brivio
2025-09-30  0:15             ` David Gibson [this message]

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