linux-kernel - Re: Wrong source address selection in arp

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Message-ID: <alpine.DEB.2.21.2510201524210.8377@angie.orcam.me.uk>
Date: Mon, 20 Oct 2025 15:27:03 +0100 (BST)
From: "Maciej W. Rozycki" <macro@...am.me.uk>
To: Ido Schimmel <idosch@...sch.org>
cc: g.goller@...xmox.com, "David S. Miller" <davem@...emloft.net>, 
    dsahern@...nel.org, edumazet@...gle.com, kuba@...nel.org, 
    pabeni@...hat.com, horms@...nel.org, netdev@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: Wrong source address selection in arp_solicit for forwarded
 packets

On Mon, 20 Oct 2025, Ido Schimmel wrote:

> > I have the following simple infrastructure with linux hosts where the ip
> > addresses are configured on dummy interfaces and all other interfaces are
> > unnumbered:
> > 
> >   ┌────────┐     ┌────────┐     ┌────────┐    │ node1  ├─────┤ node2
> > ├─────┤ node3  │    │10.0.1.1│     │10.0.1.2│     │10.0.1.3│    └────────┘
> > └────────┘     └────────┘
> 
> The diagram looks mangled. At least I don't understand it.

 It's been broken by:

Content-Type: text/plain; charset=utf-8; format=flowed

Cf. Documentation/process/email-clients.rst.  Raw message contents look 
good.

 HTH,

  Maciej