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From: Andrew Lunn <andrew@lunn.ch>
To: Craig McGeachie <slapdau@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Craig McGeachie <slapdau@yahoo.com.au>
Subject: Re: [RFC 0/1] Appletalk AARP probe broken by receipt of own broadcasts.
Date: Sun, 19 Aug 2018 03:32:44 +0200	[thread overview]
Message-ID: <20180819013244.GA8950@lunn.ch> (raw)
In-Reply-To: <20180819010739.26975-1-slapdau@gmail.com>

On Sun, Aug 19, 2018 at 01:07:38PM +1200, Craig McGeachie wrote:
> I'm hoping I can find someone able and willing to test this patch. That
> requires someone still using netatalk 2.2.x with DDP, or some other DDP
> userspace application. This feels like a longshot.
> 
> When netatalk 2.2.x starts up with DDP and sets the Appletalk node
> address, the kernel AARP code sends a probe packet for the address. It
> then receives its own probe packet and interprets that as some other
> node also trying to claim the address. It increments the address, tries
> again, and fails again ad nausium. Eventually the kernel module gives up
> and returns to netatalk which terminates with an error that it cannot
> get a node address.

Hi Craig

What Ethernet device are you seeing this problem with?

I'm not sure an Ethernet device should receive its own broadcasts.
This might be a driver bug, not an AARP bug.

     Andrew

  parent reply	other threads:[~2018-08-19  4:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-19  1:07 [RFC 0/1] Appletalk AARP probe broken by receipt of own broadcasts Craig McGeachie
2018-08-19  1:07 ` [RFC 1/1] appletalk: ignore aarp probe broadcasts that loopback Craig McGeachie
2018-08-19  1:32 ` Andrew Lunn [this message]
2018-08-19  2:09   ` [RFC 0/1] Appletalk AARP probe broken by receipt of own broadcasts Craig McGeachie
2018-08-19 14:41     ` Andrew Lunn
2018-08-20  8:48       ` Craig McGeachie
2018-08-20 13:28         ` Andrew Lunn
2018-08-21  6:07           ` Craig McGeachie

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