From: Phil Oester <kernel@linuxace.com>
To: Patrick McHardy <kaber@trash.net>
Cc: linux-net@vger.kernel.org, netfilter-devel@lists.netfilter.org
Subject: Re: [PATCH] MASQUERADE handling of device events
Date: Mon, 8 Nov 2004 08:15:11 -0800 [thread overview]
Message-ID: <20041108161511.GA6754@linuxace.com> (raw)
In-Reply-To: <418F9952.5030004@trash.net>
On Mon, Nov 08, 2004 at 05:05:38PM +0100, Patrick McHardy wrote:
> But without the ifindex comparison, a situation like this can happen:
>
> ppp0 goes down
> ppp1 goes down
> ppp0 comes up again, same IP as before
> ppp1 connections get killed
> ppp1 comes up again
>
> So we should keep this.
But ifindex is meaningless on ppp interfaces - it is incremented on each
cycle. So there is no way to say that the original ppp1 is the same
interface as the new ppp1.
ifindex just cannot be used reliably.
Phil
next prev parent reply other threads:[~2004-11-08 16:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-07 18:18 [PATCH] MASQUERADE handling of device events Phil Oester
2004-11-08 1:06 ` Henrik Nordstrom
2004-11-08 13:50 ` Harald Welte
2004-11-11 22:58 ` David S. Miller
2004-11-08 16:05 ` Patrick McHardy
2004-11-08 16:15 ` Phil Oester [this message]
2004-11-08 16:24 ` Patrick McHardy
2004-11-08 16:34 ` Phil Oester
2004-11-08 21:55 ` Phil Oester
2004-11-09 11:04 ` Patrick McHardy
2004-11-09 16:53 ` Phil Oester
2004-11-09 17:44 ` Patrick McHardy
2004-11-21 2:58 ` Rusty Russell
2004-11-23 21:16 ` Phil Oester
2004-11-24 3:37 ` Rusty Russell
2004-11-24 9:24 ` Henrik Nordstrom
2004-11-24 15:39 ` Herve Eychenne
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