Date: Sun, 29 Jan 2006 00:17:10 +0300 From: Oleg Bulyzhin <oleg@freebsd.org> To: Koen Martens <fbsd@metro.cx> Cc: freebsd-stable@freebsd.org Subject: Re: ipfilter + bge strangeness Message-ID: <20060128211710.GA29790@lath.rinet.ru> In-Reply-To: <43DB8EA6.7070503@metro.cx> References: <43DB8EA6.7070503@metro.cx>
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On Sat, Jan 28, 2006 at 04:32:54PM +0100, Koen Martens wrote:
> Hi All,
>
> Yesterday night, i was going to send the message below. However,
> just before pressing send, i found a solution to the problem:
> disable checksum checks (ifconfig bge0 -rxcsum -txcsum). Though this
> is a solution, it has me puzzled. Is this a bug^H^H^Hfeature of
> 6-STABLE, as it works with 5.4.
>
> With 5.4, there was only the rxcsum option for the bge card, not a
> txcsum. It worked fine with rxcsum enabled on 5.4..
>
> What are the consequences of disabling {rx,tx}csum? What is wrong
> with enabling it on 6-STABLE?
>
Could you please run 'tcpdump -nvi bge0' while you are generating
dns traffic (having bge0 checksum offloading on)?
'netstat -sp udp' output might be helpful too.
--
Oleg.
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