From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Martin Andersson Z <martin.z.andersson@ericsson.com>
Cc: "'bridge@lists.linux-foundation.org'"
<bridge@lists.linux-foundation.org>
Subject: Re: [Bridge] NTP packets not passing the bridge
Date: Tue, 16 Feb 2010 08:31:05 -0800 [thread overview]
Message-ID: <20100216083105.4051667d@nehalam> (raw)
In-Reply-To: <3A71C16B9E0D7240ABBDF087E5353BCB0CB2D35BFC@ESESSCMS0354.eemea.ericsson.se>
On Tue, 16 Feb 2010 11:58:26 +0100
Martin Andersson Z <martin.z.andersson@ericsson.com> wrote:
> Hello.
>
> I have a simple testsetup, where <node> --- | bridge | --- <node> is connected.
>
> Every packets seems to traverse the bridge, except for the NTP packets.
>
> When capturing on the in-port, what differes for this NTP packets is that there src-mac address is 00:00:00:00:00:00.
> Where any other packets has valid src address.
>
> Is there a check/validation in the bridge so that it will not pass eth-packets that has a src with all 0.
>
Yes. all-zeros is not a valid ethernet device address.
Find and fix the hardware that is sending it.
--
prev parent reply other threads:[~2010-02-16 16:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-16 10:58 [Bridge] NTP packets not passing the bridge Martin Andersson Z
2010-02-16 16:31 ` Stephen Hemminger [this message]
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