From: Saikiran Madugula <hummerbliss@gmail.com>
To: Patrick McHardy <kaber@trash.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>, bridge@linuxfoundation.org
Subject: Re: [Bridge] 802.1q packets
Date: Tue, 17 Mar 2009 14:58:14 +0000 [thread overview]
Message-ID: <49BFBA86.2050603@gmail.com> (raw)
In-Reply-To: <486A48D0.8040102@trash.net>
Patrick McHardy wrote:
> richardvoigt@gmail.com wrote:
>> On Mon, Jun 30, 2008 at 5:07 PM, Fulvio Ricciardi <
>> fulvio.ricciardi@zeroshell.net> wrote:
>>
>>>> That mostly rules out other devices in the path as the
>>>> cause of the problem. There's just one chance of a
>>>> netfilter interaction that I can think of: netfilter may
>>>> cause fragments to be recombined, without netfilter the
>>>> fragments could be bridged. Are you running the ping
>>>> command from the bridge itself, or across the bridge? (I
>>>> presume across the bridge because you are discussing the
>>>> FORWARD chain only)
>>> I ping across the bridge. If instead a ping from the bridge
>>> itself, all works right.
>>>
>>>> Do the large ping requests show up in the iptables
>>>> counters?
>>> Yes, in any case (either ping -s 1472 and ping -s 1473) the
>>> packets are counted in the FORWARD chain.
>>>
>>>> What happens if you set no fragmentation when you run
>>>> ping?
>>> it's the same
>>
>> Just to verify, you mean that with no fragmentation, large pings go through
>> if and only if bridge-nf-call-iptables is disabled?
>
>
> Just FYI for all affected, I'm looking into this. One
> problem is that only packets with skb->protocol == ETH_P_IP
> are refragmented, but not ETH_P_8021Q. That change alone
> doesn't fix it though, still trying to track it down.
>
Is this problem fixed ? I am unable to find if this problem is fixed in later
commits in the tree.
Thanks,
Saikiran.
next prev parent reply other threads:[~2009-03-17 14:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-30 17:07 [Bridge] 802.1q packets Fulvio Ricciardi
2008-06-30 22:42 ` richardvoigt
2008-07-01 15:10 ` Patrick McHardy
2009-03-17 14:58 ` Saikiran Madugula [this message]
2009-03-17 16:26 ` Saikiran Madugula
-- strict thread matches above, loose matches on Subject: below --
2008-07-22 17:40 Fulvio Ricciardi
2008-07-22 19:35 ` Adam Osuchowski
2008-07-22 21:59 ` Stephen Hemminger
2008-07-23 3:51 ` richardvoigt
2008-09-20 20:47 ` Adam Osuchowski
2008-06-30 16:58 Fulvio Ricciardi
2008-06-30 5:53 Leigh Sharpe
2008-06-28 21:17 Fulvio Ricciardi
2008-06-29 0:08 ` richardvoigt
2008-06-28 19:50 Fulvio Ricciardi
2008-06-28 21:06 ` richardvoigt
2008-06-28 12:07 Fulvio Ricciardi
2008-06-28 18:31 ` Stephen Hemminger
2008-06-28 4:56 Fulvio Ricciardi
2008-07-22 11:09 ` Adam Osuchowski
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