Date: Mon, 2 Sep 2002 08:28:24 +0800 From: "Jui-Nan Eric Lin" <ericlin@ericlin.cabin.idv.tw> To: <freebsd-net@freebsd.org> Subject: Re: Question about bridge(4): loop without physical loop Message-ID: <002b01c25217$a6842a00$fa01a8c0@synvision.com.tw> References: <001101c24f3f$e39f5840$fa01a8c0@synvision.com.tw> <20020830090012.A53982@iguana.icir.org>
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hi,
I have searched with keyword "aa:aa:aa:aa:aa:aa" and get the same result.
It said that those might be collisions on the net. So I tried to reduce
collisions, but the message still appears. (not frequently)
If you have made a patch, please let me know. Thanks.
Sincerely,
Jui-Nan Eric Lin
----- Original Message -----
From: "Luigi Rizzo" <rizzo@icir.org>
To: "Jui-Nan Eric Lin" <ericlin@ericlin.cabin.idv.tw>
Cc: <freebsd-net@FreeBSD.ORG>
Sent: Saturday, August 31, 2002 12:00 AM
Subject: Re: Question about bridge(4): loop without physical loop
> hi,
> these might be runt packets deriving e.g. from junk on the link.
> It is the first time that i see such reports so haven't
> worried too much about it.
> a possible fix could be to avoid bridging of packets that are
> too short for the ethernet specs or have crc errors.
>
> if the problem shows up frequently and you are willing to try some
> patches let me know, i could try to send you some code to
> fix this.
>
> cheers
> luigi
>
> On Thu, Aug 29, 2002 at 05:38:19PM +0800, Jui-Nan Eric Lin wrote:
> > Hi, all:
> >
> > I have installed bridge on my freebsd box, but the message showed on the
> > screen frequently and the network halted (packet missing):
> >
> > /kernel: -- loop (0) 55.55.55.55.55.55 to fxp1 from fxp0 (active)
> > /kernel: -- loop (0) 55.55.55.55.55.55 to fxp0 from fxp1 (active)
> >
> > It' weird because I didn't have a NIC which has mac address
> > 55.55.55.55.55.55.
> > I have searched with Google, and found the message below:
> >
> >
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=180949+0+archive/2002/freebsd-n
> > et/20020707.freebsd-net
> >
> > It seems that bridge supports only NICs with "SIMPLEX" flag.
> > Therefore, I checked result of "ifconfig -a", but my two Intel 82550
(fxp0,
> > fxp1) has "SIMPLEX" flag:
> >
> > fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu
1500
> > fxp1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu
1500
> >
> > Any suggestion?
> >
> > P.S. #1 sysctl -a | grep bridge
> >
> > #sysctl -a | grep bridge
> > net.link.ether.bridge_cfg: fxp0,fxp1
> > net.link.ether.bridge: 1
> > net.link.ether.bridge_ipfw: 1
> > net.link.ether.bridge_ipf: 0
> > net.link.ether.bridge_ipfw_drop: 0
> > net.link.ether.bridge_ipfw_collisions: 749
> >
> > P.S.#2 Sorry for my poor English :)
> >
> > Sincerely,
> > Jui-Nan Eric Lin
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-net" in the body of the message
>
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