Date: 02 Jan 2001 21:38:58 +0100 From: Slawek Zak <zaks@prioris.mini.pw.edu.pl> To: freebsd-net@freebsd.org Subject: Re: Dummynet problem Message-ID: <87vgrx3d0d.fsf@pf39.warszawa.sdi.tpnet.pl> In-Reply-To: <200101020603.f0263wf69442@iguana.aciri.org> References: <200101020603.f0263wf69442@iguana.aciri.org>
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On Mon, 1 Jan 2001, Luigi Rizzo uttered the following:
> it should not be equal provided the 'high weight' flow has sufficient
> traffic going.
Both FTP transfers I've used for testing were around 60Kbps each. One done by
user dnld1, the other one by other user.
> Can you do an 'ipfw zero' before the transfer, and provide the output of
Sure. I've `ipfw zero'ed after both transfers were started.
> ipfw show
00100 0 0 allow ip from any to any via lo0
00100 226 327495 queue 10 tcp from any to any uid dnld1 in
00200 0 0 deny ip from any to 127.0.0.0/8
00200 677 338406 queue 11 ip from any to any
65535 0 0 allow ip from any to any
> ipfw queue show
00001: 128.000 Kbit/s 0 ms 50 sl. 0 queues (1 buckets) droptail
mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
q00010: weight 1 pipe 1 50 sl. 1 queues (1 buckets) droptail
mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
0 tcp AAA.BBB.CCC.DDD/21 XXX.YYY.ZZZ.QQQ/12088 488 693234 0 0 0
q00011: weight 10 pipe 1 50 sl. 168 queues (64 buckets) droptail
mask: 0xff 0xffffffff/0xffff -> 0xffffffff/0xffff
BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
0 tcp AAA.BBB.CCC.DDD/22 XXX.YYY.ZZZ.QQQ/1022 1 44 0 0 0
4 tcp XXX.YYY.ZZZ.QQQ/12092 AAA.BBB.CCC.DDD/49186 318 12724 0 0 0
5 tcp XXX.YYY.ZZZ.QQQ/12091 AAA.BBB.CCC.DDD/49185 463 18524 0 0 0
5 tcp XXX.YYY.ZZZ.QQQ/12089 AAA.BBB.CCC.DDD/49184 5 204 0 0 0
15 tcp AAA.BBB.CCC.DDD/21 XXX.YYY.ZZZ.QQQ/12088 1 40 0 0 0
23 tcp AAA.BBB.CCC.DDD/21 XXX.YYY.ZZZ.QQQ/12084 30 2153 0 0 0
25 tcp AAA.BBB.CCC.DDD/49183 XXX.YYY.ZZZ.QQQ/12086 207 306124 0 0 0
30 tcp AAA.BBB.CCC.DDD/49182 XXX.YYY.ZZZ.QQQ/12085 4 1455 0 0 0
34 tcp XXX.YYY.ZZZ.QQQ/12084 AAA.BBB.CCC.DDD/21 34 1828 0 0 0
46 tcp XXX.YYY.ZZZ.QQQ/12088 AAA.BBB.CCC.DDD/21 24 1220 0 0 0
46 tcp XXX.YYY.ZZZ.QQQ/1022 AAA.BBB.CCC.DDD/22 2 84 0 0 0
48 tcp AAA.BBB.CCC.DDD/49186 XXX.YYY.ZZZ.QQQ/12092 317 469668 0 0 0
52 tcp XXX.YYY.ZZZ.QQQ/12086 AAA.BBB.CCC.DDD/49183 207 8284 0 0 0
53 tcp XXX.YYY.ZZZ.QQQ/12085 AAA.BBB.CCC.DDD/49182 5 204 0 0 0
> ipfw pipe show
00001: 128.000 Kbit/s 0 ms 50 sl. 0 queues (1 buckets) droptail
mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
q00010: weight 1 pipe 1 50 sl. 1 queues (1 buckets) droptail
mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
0 tcp AAA.BBB.CCC.DDD/21 XXX.YYY.ZZZ.QQQ/12088 488 693234 0 0 0
q00011: weight 10 pipe 1 50 sl. 168 queues (64 buckets) droptail
mask: 0xff 0xffffffff/0xffff -> 0xffffffff/0xffff
BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
0 tcp AAA.BBB.CCC.DDD/22 XXX.YYY.ZZZ.QQQ/1022 1 44 0 0 0
4 tcp XXX.YYY.ZZZ.QQQ/12092 AAA.BBB.CCC.DDD/49186 318 12724 0 0 0
5 tcp XXX.YYY.ZZZ.QQQ/12091 AAA.BBB.CCC.DDD/49185 463 18524 0 0 0
5 tcp XXX.YYY.ZZZ.QQQ/12089 AAA.BBB.CCC.DDD/49184 5 204 0 0 0
15 tcp AAA.BBB.CCC.DDD/21 XXX.YYY.ZZZ.QQQ/12088 1 40 0 0 0
23 tcp AAA.BBB.CCC.DDD/21 XXX.YYY.ZZZ.QQQ/12084 30 2153 0 0 0
25 tcp AAA.BBB.CCC.DDD/49183 XXX.YYY.ZZZ.QQQ/12086 207 306124 0 0 0
30 tcp AAA.BBB.CCC.DDD/49182 XXX.YYY.ZZZ.QQQ/12085 4 1455 0 0 0
34 tcp XXX.YYY.ZZZ.QQQ/12084 AAA.BBB.CCC.DDD/21 34 1828 0 0 0
46 tcp XXX.YYY.ZZZ.QQQ/12088 AAA.BBB.CCC.DDD/21 24 1220 0 0 0
46 tcp XXX.YYY.ZZZ.QQQ/1022 AAA.BBB.CCC.DDD/22 2 84 0 0 0
48 tcp AAA.BBB.CCC.DDD/49186 XXX.YYY.ZZZ.QQQ/12092 317 469668 0 0 0
52 tcp XXX.YYY.ZZZ.QQQ/12086 AAA.BBB.CCC.DDD/49183 207 8284 0 0 0
53 tcp XXX.YYY.ZZZ.QQQ/12085 AAA.BBB.CCC.DDD/49182 5 204 0 0 0
Irrelevant udp/icmp traffic was snipped, IP's were masked to protect the
innocent ;) `ipfw pipe show' and `ipfw queue show' look both very similar - hmm.
Best regards, /S
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