From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 16 Feb 2010 08:31:05 -0800 From: Stephen Hemminger Message-ID: <20100216083105.4051667d@nehalam> In-Reply-To: <3A71C16B9E0D7240ABBDF087E5353BCB0CB2D35BFC@ESESSCMS0354.eemea.ericsson.se> References: <3A71C16B9E0D7240ABBDF087E5353BCB0CB2D35BFC@ESESSCMS0354.eemea.ericsson.se> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Bridge] NTP packets not passing the bridge List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Martin Andersson Z Cc: "'bridge@lists.linux-foundation.org'" On Tue, 16 Feb 2010 11:58:26 +0100 Martin Andersson Z wrote: > Hello. > > I have a simple testsetup, where --- | bridge | --- 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. --