Date: Tue, 4 Apr 2006 00:59:19 -0500 From: Mikhail Teterin <mi+kde@aldan.algebra.com> To: Luigi Rizzo <rizzo@icir.org> Cc: ugen@netvision.net.il, archie@dellroad.org, net@freebsd.org Subject: Re: Is there an API for ipfw? Message-ID: <200604040159.20210@aldan> In-Reply-To: <20060401201948.A33543@xorpc.icir.org> References: <200603301657.43218.mi%2Bmx@aldan.algebra.com> <200604011834.12572@aldan> <20060401201948.A33543@xorpc.icir.org>
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On Saturday 01 April 2006 11:19 pm, Luigi Rizzo wrote: = It would help if you could run, when the traffic stalls, a tcpdump on = both source and destination, and tell me where you see the traffic. Ok here is an even simpler case (mspiggy is a Windows 2003 Server): % ipfw pipe 1 config bw 6500KBytes/s % ipfw add 200 pipe 1 ip from mspiggy to mi Not even pings come back to the ping program, even though tcpdump (on mi) shows them returning to the kernel: 01:52:23.665065 IP mi > mspiggy: ICMP echo request, id 42518, seq 14, length 64 01:52:23.665359 IP mspiggy > mi: ICMP echo reply, id 42518, seq 14, length 64 [...] This seems to first hit, when I try a fractional number of MBytes: % ipfw pipe 1 config bw 6.5MBytes/s Trying to correct it afterwards does not seem to have an effect. The pipe must be recreated: % ipfw pipe 1 delete % ipfw pipe 1 config bw 6500KBytes/s And then everything starts working again. Yours, -mi
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