AW: AW: Netzwerkprobleme mit Windows-Clients

From: Thomas Petzold <petzold(at)titanium-media.de>
Date: Sun, 17 Feb 2008 20:02:18 +0100

Hallo,

ich hoffe jetzt alles erwischt zu haben. Mußte mir mal ein anderes tcpdump
für Windows besorgen.

Kurz der Test. Aufbau einer FTP Verbindung zum Server -> Beginn der
Übertragung einer Datei -> nach Timeout erneuter Versuch, bei Frage nach dem
Überschreiben der Datei wurde das ganze abgebrochen.

--- Dump aus Sicht des FreeBSD ---
18:46:46.839997 IP [WinRechner].1680 > [BSDRechner].ftp: S
1139260547:1139260547(0) win 16384 <mss 1260,nop,nop,sackOK>
18:46:46.840024 IP [BSDRechner].ftp > [WinRechner].1680: S
381578878:381578878(0) ack 1139260548 win 65535 <mss 1460,sackOK,eol>
18:46:46.875309 IP [WinRechner].1680 > [BSDRechner].ftp: . ack 1 win 17640
18:46:46.876816 IP [BSDRechner].59296 > ns1-coloc.hetzner.de.domain: 49965+
A? [WinRechner]. (44)
18:46:46.881480 IP [BSDRechner].60147 > [WinRechner].auth: S
696113157:696113157(0) win 65535 <mss 1460,nop,wscale 1,nop,nop,timestamp
7711032 0,sackOK,eol>
18:46:46.913421 IP [WinRechner].auth > [BSDRechner].60147: R 0:0(0) ack
696113158 win 0
18:46:46.913559 IP [BSDRechner].ftp > [WinRechner].1680: P 1:70(69) ack 1
win 65535
18:46:46.950159 IP [WinRechner].1680 > [BSDRechner].ftp: P 1:16(15) ack 70
win 17571
18:46:46.951737 IP [BSDRechner].ftp > [WinRechner].1680: P 70:106(36) ack 16
win 65535
18:46:46.986040 IP [WinRechner].1680 > [BSDRechner].ftp: P 16:31(15) ack 106
win 17535
18:46:46.989141 IP [BSDRechner].58657 > ns1-coloc.hetzner.de.domain: 49966+
A? [WinRechner]. (44)
18:46:46.990063 IP [BSDRechner].50276 > ns1-coloc.hetzner.de.domain: 49967+
AAAA? [WinRechner]. (44)
18:46:46.990980 IP [BSDRechner].64151 > ns1-coloc.hetzner.de.domain: 49968+
A? [WinRechner]. (44)
18:46:46.991660 IP [BSDRechner].62007 > ns1-coloc.hetzner.de.domain: 49969+
AAAA? [WinRechner]. (44)
18:46:47.016111 IP [BSDRechner].ftp > [WinRechner].1680: P 106:135(29) ack
31 win 65535
18:46:47.050495 IP [WinRechner].1680 > [BSDRechner].ftp: P 31:37(6) ack 135
win 17506
18:46:47.050625 IP [BSDRechner].ftp > [WinRechner].1680: P 135:154(19) ack
37 win 65535
18:46:47.088454 IP [WinRechner].1680 > [BSDRechner].ftp: P 37:43(6) ack 154
win 17487
18:46:47.088601 IP [BSDRechner].ftp > [WinRechner].1680: P 154:194(40) ack
43 win 65535
18:46:47.276475 IP [WinRechner].1680 > [BSDRechner].ftp: . ack 194 win 17447
18:46:47.276490 IP [BSDRechner].ftp > [WinRechner].1680: P 194:203(9) ack 43
win 65535
18:46:47.316832 IP [WinRechner].1680 > [BSDRechner].ftp: P 43:72(29) ack 203
win 17438
18:46:47.317085 IP [BSDRechner].ftp > [WinRechner].1680: P 203:231(28) ack
72 win 65535
18:46:47.353750 IP [WinRechner].1680 > [BSDRechner].ftp: P 72:77(5) ack 231
win 17410
18:46:47.353895 IP [BSDRechner].ftp > [WinRechner].1680: P 231:286(55) ack
77 win 65535
18:46:47.390284 IP [WinRechner].1680 > [BSDRechner].ftp: P 77:85(8) ack 286
win 17355
18:46:47.390393 IP [BSDRechner].ftp > [WinRechner].1680: P 286:305(19) ack
85 win 65535
18:46:47.424200 IP [WinRechner].1680 > [BSDRechner].ftp: P 85:91(6) ack 305
win 17336
18:46:47.424379 IP [BSDRechner].ftp > [WinRechner].1680: P 305:354(49) ack
91 win 65535
18:46:47.460088 IP [WinRechner].1681 > [BSDRechner].51271: S
2903742442:2903742442(0) win 16384 <mss 1260,nop,nop,sackOK>
18:46:47.460106 IP [BSDRechner].51271 > [WinRechner].1681: S
3017865173:3017865173(0) ack 2903742443 win 65535 <mss 1460,sackOK,eol>
18:46:47.467270 IP [WinRechner].1680 > [BSDRechner].ftp: P 91:97(6) ack 354
win 17287
18:46:47.492005 IP [WinRechner].1681 > [BSDRechner].51271: . ack 1 win 17640
18:46:47.493068 IP [BSDRechner].58587 > ns1-coloc.hetzner.de.domain: 49971+
A? [WinRechner]. (44)
18:46:47.494630 IP [BSDRechner].ftp > [WinRechner].1680: P 354:408(54) ack
97 win 65535
18:46:47.495486 IP [BSDRechner].51271 > [WinRechner].1681: FP 1:164(163) ack
1 win 65535
18:46:47.529277 IP [WinRechner].1681 > [BSDRechner].51271: . ack 165 win
17477
18:46:47.538016 IP [WinRechner].1681 > [BSDRechner].51271: F 1:1(0) ack 165
win 17477
18:46:47.538031 IP [BSDRechner].51271 > [WinRechner].1681: . ack 2 win 65534
18:46:47.713166 IP [WinRechner].1680 > [BSDRechner].ftp: . ack 408 win 17233
18:46:47.713185 IP [BSDRechner].ftp > [WinRechner].1680: P 408:431(23) ack
97 win 65535
18:46:47.747932 IP [WinRechner].1680 > [BSDRechner].ftp: P 97:133(36) ack
431 win 17210
18:46:47.748106 IP [BSDRechner].ftp > [WinRechner].1680: P 431:451(20) ack
133 win 65535
18:46:47.932421 IP [WinRechner].1680 > [BSDRechner].ftp: . ack 451 win 17190
18:46:49.278637 IP [WinRechner].1680 > [BSDRechner].ftp: P 133:139(6) ack
451 win 17190
18:46:49.278898 IP [BSDRechner].ftp > [WinRechner].1680: P 451:500(49) ack
139 win 65535
18:46:49.314756 IP [WinRechner].1682 > [BSDRechner].57185: S
2874448128:2874448128(0) win 16384 <mss 1260,nop,nop,sackOK>
18:46:49.314775 IP [BSDRechner].57185 > [WinRechner].1682: S
2457431554:2457431554(0) ack 2874448129 win 65535 <mss 1460,sackOK,eol>
18:46:49.318720 IP [WinRechner].1680 > [BSDRechner].ftp: P 139:166(27) ack
500 win 17141
18:46:49.345671 IP [WinRechner].1682 > [BSDRechner].57185: . ack 1 win 17640
18:46:49.350688 IP [BSDRechner].63146 > ns1-coloc.hetzner.de.domain: 49973+
A? [WinRechner]. (44)
18:46:49.357956 IP [BSDRechner].ftp > [WinRechner].1680: P 500:566(66) ack
166 win 65535
18:46:49.366656 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
18:46:49.385350 IP [WinRechner].1682 > [BSDRechner].57185: . 1261:2521(1260)
ack 1 win 17640
18:46:49.385365 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65520
18:46:49.573096 IP [WinRechner].1680 > [BSDRechner].ftp: . ack 566 win 17075
18:46:52.327697 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
18:46:52.327724 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
18:46:58.342317 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
18:46:58.342344 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
18:47:09.402495 IP [WinRechner].1680 > [BSDRechner].ftp: F 166:166(0) ack
566 win 17075
18:47:09.402527 IP [BSDRechner].ftp > [WinRechner].1680: . ack 167 win 65535
18:47:09.410242 IP [WinRechner].1683 > [BSDRechner].ftp: S
1306429862:1306429862(0) win 16384 <mss 1260,nop,nop,sackOK>
18:47:09.410261 IP [BSDRechner].ftp > [WinRechner].1683: S
255557357:255557357(0) ack 1306429863 win 65535 <mss 1460,sackOK,eol>
18:47:09.445827 IP [WinRechner].1683 > [BSDRechner].ftp: . ack 1 win 17640
18:47:09.447469 IP [BSDRechner].50352 > ns1-coloc.hetzner.de.domain: 49965+
A? [WinRechner]. (44)
18:47:09.452219 IP [BSDRechner].62367 > [WinRechner].auth: S
710488012:710488012(0) win 65535 <mss 1460,nop,wscale 1,nop,nop,timestamp
7733603 0,sackOK,eol>
18:47:09.486180 IP [WinRechner].auth > [BSDRechner].62367: R 0:0(0) ack
710488013 win 0
18:47:09.486339 IP [BSDRechner].ftp > [WinRechner].1683: P 1:70(69) ack 1
win 65535
18:47:09.523053 IP [WinRechner].1683 > [BSDRechner].ftp: P 1:16(15) ack 70
win 17571
18:47:09.526143 IP [BSDRechner].ftp > [WinRechner].1683: P 70:106(36) ack 16
win 65535
18:47:09.562745 IP [WinRechner].1683 > [BSDRechner].ftp: P 16:31(15) ack 106
win 17535
18:47:09.565736 IP [BSDRechner].61977 > ns1-coloc.hetzner.de.domain: 49966+
A? [WinRechner]. (44)
18:47:09.568069 IP [BSDRechner].51367 > ns1-coloc.hetzner.de.domain: 49967+
AAAA? [WinRechner]. (44)
18:47:09.579765 IP [BSDRechner].59311 > ns1-coloc.hetzner.de.domain: 49968+
A? [WinRechner]. (44)
18:47:09.582709 IP [BSDRechner].58377 > ns1-coloc.hetzner.de.domain: 49969+
AAAA? [WinRechner]. (44)
18:47:09.585211 IP [BSDRechner].ftp > [WinRechner].1683: P 106:135(29) ack
31 win 65535
18:47:09.627979 IP [WinRechner].1683 > [BSDRechner].ftp: P 31:60(29) ack 135
win 17506
18:47:09.628231 IP [BSDRechner].ftp > [WinRechner].1683: P 135:163(28) ack
60 win 65535
18:47:09.663515 IP [WinRechner].1683 > [BSDRechner].ftp: P 60:65(5) ack 163
win 17478
18:47:09.663663 IP [BSDRechner].ftp > [WinRechner].1683: P 163:218(55) ack
65 win 65535
18:47:09.700052 IP [WinRechner].1683 > [BSDRechner].ftp: . ack 218 win 17423
18:47:09.710371 IP [WinRechner].1683 > [BSDRechner].ftp: P 65:73(8) ack 218
win 17423
18:47:09.710479 IP [BSDRechner].ftp > [WinRechner].1683: P 218:237(19) ack
73 win 65535
18:47:09.746688 IP [WinRechner].1683 > [BSDRechner].ftp: P 73:79(6) ack 237
win 17404
18:47:09.746868 IP [BSDRechner].ftp > [WinRechner].1683: P 237:287(50) ack
79 win 65535
18:47:09.784399 IP [WinRechner].1684 > [BSDRechner].62823: S
1926772071:1926772071(0) win 16384 <mss 1260,nop,nop,sackOK>
18:47:09.784418 IP [BSDRechner].62823 > [WinRechner].1684: S
3804647372:3804647372(0) ack 1926772072 win 65535 <mss 1460,sackOK,eol>
18:47:09.789785 IP [WinRechner].1683 > [BSDRechner].ftp: P 79:85(6) ack 287
win 17354
18:47:09.821192 IP [WinRechner].1684 > [BSDRechner].62823: . ack 1 win 17640
18:47:09.822220 IP [BSDRechner].51714 > ns1-coloc.hetzner.de.domain: 49971+
A? [WinRechner]. (44)
18:47:09.822864 IP [BSDRechner].ftp > [WinRechner].1683: P 287:341(54) ack
85 win 65535
18:47:09.823967 IP [BSDRechner].62823 > [WinRechner].1684: FP 1:164(163) ack
1 win 65535
18:47:09.861031 IP [WinRechner].1684 > [BSDRechner].62823: . ack 165 win
17477
18:47:10.027504 IP [WinRechner].1683 > [BSDRechner].ftp: . ack 341 win 17300
18:47:10.375755 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
18:47:10.375772 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
18:47:10.903040 IP [WinRechner].1680 > [BSDRechner].ftp: F 166:166(0) ack
566 win 17075
18:47:10.903058 IP [BSDRechner].ftp > [WinRechner].1680: . ack 167 win 65535
18:47:12.870156 IP [WinRechner].1684 > [BSDRechner].62823: F 1:1(0) ack 165
win 17477
18:47:12.870187 IP [BSDRechner].62823 > [WinRechner].1684: . ack 2 win 65534
--- Ende ---

--- Dump aus Sicht des Windows ---
19:46:52.418361 IP [WinRechner].1680 > [BSDRechner].21: S
1139260547:1139260547(0) win 16384 <mss 1260,nop,nop,sackOK>
19:46:52.454070 IP [BSDRechner].21 > [WinRechner].1680: S
381578878:381578878(0) ack 1139260548 win 65535 <mss 1412,sackOK,eol>
19:46:52.454111 IP [WinRechner].1680 > [BSDRechner].21: . ack 1 win 17640
19:46:52.527141 IP [BSDRechner].21 > [WinRechner].1680: P 1:70(69) ack 1 win
65535
19:46:52.529404 IP [WinRechner].1680 > [BSDRechner].21: P 1:16(15) ack 70
win 17571
19:46:52.564832 IP [BSDRechner].21 > [WinRechner].1680: P 70:106(36) ack 16
win 65535
19:46:52.565067 IP [WinRechner].1680 > [BSDRechner].21: P 16:31(15) ack 106
win 17535
19:46:52.629323 IP [BSDRechner].21 > [WinRechner].1680: P 106:135(29) ack 31
win 65535
19:46:52.629530 IP [WinRechner].1680 > [BSDRechner].21: P 31:37(6) ack 135
win 17506
19:46:52.666797 IP [BSDRechner].21 > [WinRechner].1680: P 135:154(19) ack 37
win 65535
19:46:52.667041 IP [WinRechner].1680 > [BSDRechner].21: P 37:43(6) ack 154
win 17487
19:46:52.701935 IP [BSDRechner].21 > [WinRechner].1680: P 154:194(40) ack 43
win 65535
19:46:52.855244 IP [WinRechner].1680 > [BSDRechner].21: . ack 194 win 17447
19:46:52.889453 IP [BSDRechner].21 > [WinRechner].1680: P 194:203(9) ack 43
win 65535
19:46:52.895038 IP [WinRechner].1680 > [BSDRechner].21: P 43:72(29) ack 203
win 17438
19:46:52.930631 IP [BSDRechner].21 > [WinRechner].1680: P 203:231(28) ack 72
win 65535
19:46:52.930850 IP [WinRechner].1680 > [BSDRechner].21: P 72:77(5) ack 231
win 17410
19:46:52.967826 IP [BSDRechner].21 > [WinRechner].1680: P 231:286(55) ack 77
win 65535
19:46:52.970094 IP [WinRechner].1680 > [BSDRechner].21: P 77:85(8) ack 286
win 17355
19:46:53.003330 IP [BSDRechner].21 > [WinRechner].1680: P 286:305(19) ack 85
win 65535
19:46:53.003565 IP [WinRechner].1680 > [BSDRechner].21: P 85:91(6) ack 305
win 17336
19:46:53.037591 IP [BSDRechner].21 > [WinRechner].1680: P 305:354(49) ack 91
win 65535
19:46:53.038943 IP [WinRechner].1681 > [BSDRechner].51271: S
2903742442:2903742442(0) win 16384 <mss 1260,nop,nop,sackOK>
19:46:53.039065 IP [WinRechner].1680 > [BSDRechner].21: P 91:97(6) ack 354
win 17287
19:46:53.072195 IP [BSDRechner].51271 > [WinRechner].1681: S
3017865173:3017865173(0) ack 2903742443 win 65535 <mss 1412,sackOK,eol>
19:46:53.072230 IP [WinRechner].1681 > [BSDRechner].51271: . ack 1 win 17640
19:46:53.107598 IP [BSDRechner].21 > [WinRechner].1680: P 354:408(54) ack 97
win 65535
19:46:53.109184 IP [BSDRechner].51271 > [WinRechner].1681: FP 1:164(163) ack
1 win 65535
19:46:53.109209 IP [WinRechner].1681 > [BSDRechner].51271: . ack 165 win
17477
19:46:53.110878 IP [WinRechner].1681 > [BSDRechner].51271: F 1:1(0) ack 165
win 17477
19:46:53.151301 IP [BSDRechner].51271 > [WinRechner].1681: . ack 2 win 65534
19:46:53.292744 IP [WinRechner].1680 > [BSDRechner].21: . ack 408 win 17233
19:46:53.326120 IP [BSDRechner].21 > [WinRechner].1680: P 408:431(23) ack 97
win 65535
19:46:53.326421 IP [WinRechner].1680 > [BSDRechner].21: P 97:133(36) ack 431
win 17210
19:46:53.361546 IP [BSDRechner].21 > [WinRechner].1680: P 431:451(20) ack
133 win 65535
19:46:53.511503 IP [WinRechner].1680 > [BSDRechner].21: . ack 451 win 17190
19:46:54.190093 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:46:54.858273 IP [WinRechner].1680 > [BSDRechner].21: P 133:139(6) ack 451
win 17190
19:46:54.892059 IP [BSDRechner].21 > [WinRechner].1680: P 451:500(49) ack
139 win 65535
19:46:54.893292 IP [WinRechner].1682 > [BSDRechner].57185: S
2874448128:2874448128(0) win 16384 <mss 1260,nop,nop,sackOK>
19:46:54.893410 IP [WinRechner].1680 > [BSDRechner].21: P 139:166(27) ack
500 win 17141
19:46:54.925687 IP [BSDRechner].57185 > [WinRechner].1682: S
2457431554:2457431554(0) ack 2874448129 win 65535 <mss 1412,sackOK,eol>
19:46:54.925732 IP [WinRechner].1682 > [BSDRechner].57185: . ack 1 win 17640
19:46:54.926173 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
19:46:54.926229 IP [WinRechner].1682 > [BSDRechner].57185: . 1261:2521(1260)
ack 1 win 17640
19:46:54.971117 IP [BSDRechner].21 > [WinRechner].1680: P 500:566(66) ack
166 win 65535
19:46:54.996665 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65520
19:46:55.152133 IP [WinRechner].1680 > [BSDRechner].21: . ack 566 win 17075
19:46:56.136519 IP [WinRechner].1681 > [BSDRechner].51271: F 1:1(0) ack 165
win 17477
19:46:56.139197 IP [BSDRechner].51271 > [WinRechner].1681: R
3017865338:3017865338(0) win 17477
19:46:56.189509 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:46:57.886530 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
19:46:57.939373 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
19:46:58.188908 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:00.188352 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:02.187775 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:03.902191 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
19:47:03.953002 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
19:47:04.187204 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:06.186609 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:08.186036 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:10.185447 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:12.184948 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:14.184305 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:14.980461 IP [WinRechner].1680 > [BSDRechner].21: F 166:166(0) ack 566
win 17075
19:47:14.986869 IP [WinRechner].1683 > [BSDRechner].21: S
1306429862:1306429862(0) win 16384 <mss 1260,nop,nop,sackOK>
19:47:15.015660 IP [BSDRechner].21 > [WinRechner].1680: . ack 167 win 65535
19:47:15.023040 IP [BSDRechner].21 > [WinRechner].1683: S
255557357:255557357(0) ack 1306429863 win 65535 <mss 1412,sackOK,eol>
19:47:15.023080 IP [WinRechner].1683 > [BSDRechner].21: . ack 1 win 17640
19:47:15.100416 IP [BSDRechner].21 > [WinRechner].1683: P 1:70(69) ack 1 win
65535
19:47:15.100679 IP [WinRechner].1683 > [BSDRechner].21: P 1:16(15) ack 70
win 17571
19:47:15.140037 IP [BSDRechner].21 > [WinRechner].1683: P 70:106(36) ack 16
win 65535
19:47:15.140258 IP [WinRechner].1683 > [BSDRechner].21: P 16:31(15) ack 106
win 17535
19:47:15.199359 IP [BSDRechner].21 > [WinRechner].1683: P 106:135(29) ack 31
win 65535
19:47:15.204621 IP [WinRechner].1683 > [BSDRechner].21: P 31:60(29) ack 135
win 17506
19:47:15.241290 IP [BSDRechner].21 > [WinRechner].1683: P 135:163(28) ack 60
win 65535
19:47:15.241524 IP [WinRechner].1683 > [BSDRechner].21: P 60:65(5) ack 163
win 17478
19:47:15.277019 IP [BSDRechner].21 > [WinRechner].1683: P 163:218(55) ack 65
win 65535
19:47:15.277238 IP [WinRechner].1683 > [BSDRechner].21: . ack 218 win 17423
19:47:15.277347 IP [WinRechner].1683 > [BSDRechner].21: P 65:73(8) ack 218
win 17423
19:47:15.323991 IP [BSDRechner].21 > [WinRechner].1683: P 218:237(19) ack 73
win 65535
19:47:15.324246 IP [WinRechner].1683 > [BSDRechner].21: P 73:79(6) ack 237
win 17404
19:47:15.360323 IP [BSDRechner].21 > [WinRechner].1683: P 237:287(50) ack 79
win 65535
19:47:15.361470 IP [WinRechner].1684 > [BSDRechner].62823: S
1926772071:1926772071(0) win 16384 <mss 1260,nop,nop,sackOK>
19:47:15.361605 IP [WinRechner].1683 > [BSDRechner].21: P 79:85(6) ack 287
win 17354
19:47:15.386622 IP [WinRechner].1680 > [BSDRechner].21: F 166:166(0) ack 566
win 17075
19:47:15.396614 IP [BSDRechner].62823 > [WinRechner].1684: S
3804647372:3804647372(0) ack 1926772072 win 65535 <mss 1412,sackOK,eol>
19:47:15.396644 IP [WinRechner].1684 > [BSDRechner].62823: . ack 1 win 17640
19:47:15.435903 IP [BSDRechner].21 > [WinRechner].1683: P 287:341(54) ack 85
win 65535
19:47:15.438600 IP [BSDRechner].62823 > [WinRechner].1684: FP 1:164(163) ack
1 win 65535
19:47:15.438622 IP [WinRechner].1684 > [BSDRechner].62823: . ack 165 win
17477
19:47:15.438987 IP [WinRechner].1684 > [BSDRechner].62823: F 1:1(0) ack 165
win 17477
19:47:15.605380 IP [WinRechner].1683 > [BSDRechner].21: . ack 341 win 17300
19:47:15.933505 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
19:47:15.987475 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
19:47:16.183696 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:16.480386 IP [WinRechner].1680 > [BSDRechner].21: F 166:166(0) ack 566
win 17075
19:47:16.515838 IP [BSDRechner].21 > [WinRechner].1680: . ack 167 win 65535
19:47:18.183140 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:18.449151 IP [WinRechner].1684 > [BSDRechner].62823: F 1:1(0) ack 165
win 17477
19:47:18.482882 IP [BSDRechner].62823 > [WinRechner].1684: . ack 2 win 65534
19:47:18.484587 IP [BSDRechner].21 > [WinRechner].1683: P 341:364(23) ack 85
win 65535
19:47:18.558533 IP [WinRechner].1680 > [BSDRechner].21: F 166:166(0) ack 566
win 17075
19:47:18.593538 IP [BSDRechner].21 > [WinRechner].1680: . ack 167 win 65535
19:47:18.667893 IP [WinRechner].1683 > [BSDRechner].21: . ack 364 win 17277
19:47:20.182558 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:22.181998 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:22.496045 IP [WinRechner].1680 > [BSDRechner].21: F 166:166(0) ack 566
win 17075
19:47:22.530947 IP [BSDRechner].21 > [WinRechner].1680: . ack 167 win 65535
19:47:23.699180 IP [WinRechner].1679 > [BSDRechner].61681: . 0:1260(1260)
ack 1 win 17640
19:47:23.752435 IP [BSDRechner].61681 > [WinRechner].1679: . ack 2520 win
65535
19:47:24.181397 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:24.464806 IP [WinRechner].1684 > [BSDRechner].62823: F 1:1(0) ack 165
win 17477
19:47:24.499575 IP [BSDRechner].62823 > [WinRechner].1684: . ack 2 win 65534
19:47:26.180822 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:28.180254 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:30.179671 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:30.480464 IP [WinRechner].1680 > [BSDRechner].21: F 166:166(0) ack 566
win 17075
19:47:30.517189 IP [BSDRechner].21 > [WinRechner].1680: . ack 167 win 65535
19:47:30.935931 IP [WinRechner].1683 > [BSDRechner].21: F 85:85(0) ack 364
win 17277
19:47:30.969594 IP [BSDRechner].21 > [WinRechner].1683: . ack 86 win 65535
19:47:30.970610 IP [BSDRechner].21 > [WinRechner].1683: F 364:364(0) ack 86
win 65535
19:47:31.603045 IP [BSDRechner].21 > [WinRechner].1683: F 364:364(0) ack 86
win 65535
19:47:31.683597 IP [WinRechner].1683 > [BSDRechner].21: F 85:85(0) ack 364
win 17277
19:47:31.718644 IP [BSDRechner].21 > [WinRechner].1683: F 364:364(0) ack 86
win 65535
19:47:32.179156 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:32.671421 IP [BSDRechner].21 > [WinRechner].1683: F 364:364(0) ack 86
win 65535
19:47:33.324230 IP [WinRechner].1683 > [BSDRechner].21: F 85:85(0) ack 364
win 17277
19:47:33.359024 IP [BSDRechner].21 > [WinRechner].1683: F 364:364(0) ack 86
win 65535
19:47:34.178549 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:34.606843 IP [BSDRechner].21 > [WinRechner].1683: F 364:364(0) ack 86
win 65535
19:47:35.921568 IP [BSDRechner].21 > [WinRechner].1683: R
255557722:255557722(0) win 17277
19:47:35.921597 IP [WinRechner].1683 > [BSDRechner].21: . ack 364 win 17277
19:47:35.963951 IP [BSDRechner].21 > [WinRechner].1683: R
255557721:255557721(0) win 0
19:47:36.177939 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:36.386754 IP [WinRechner].1684 > [BSDRechner].62823: F 1:1(0) ack 165
win 17477
19:47:36.419375 IP [BSDRechner].62823 > [WinRechner].1684: . ack 2 win 65534
19:47:36.496128 IP [WinRechner].1683 > [BSDRechner].21: F 85:85(0) ack 364
win 17277
19:47:36.530105 IP [BSDRechner].21 > [WinRechner].1683: R
255557721:255557721(0) win 0
19:47:38.177368 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
19:47:39.886771 IP [WinRechner].1682 > [BSDRechner].57185: . 1:1261(1260)
ack 1 win 17640
19:47:39.947981 IP [BSDRechner].57185 > [WinRechner].1682: . ack 2521 win
65535
19:47:40.176749 802.1d config 8000.00:1a:70:af:4c:b5.8002 root
8000.00:19:30:11:e0:b6 pathcost 100 age 0 max 20 hello 2 fdelay 15
--- Ende ---

Gruß
Thomas

> -----Ursprüngliche Nachricht-----
> Von: Bernd Walter [mailto:ticso(at)cicely12.cicely.de]
> Gesendet: Sonntag, 17. Februar 2008 19:24
> An: Thomas Petzold
> Cc: de-bsd-questions(at)de.FreeBSD.org
> Betreff: Re: AW: Netzwerkprobleme mit Windows-Clients
>
> On Sun, Feb 17, 2008 at 06:41:05PM +0100, Thomas Petzold wrote:
> > > Von: Oliver Fromme [mailto:olli(at)lurza.secnetix.de]
> > > Thomas Petzold wrote:
> > > > ich habe eine FreeBSD 6.2 Installation auf einem Root-Server bei
> der
> > > Firma
> > > > Hetzner. Dieser Server zeigt für mich sehr komische Phänomene.
> > >
> > > Bei meinen Hetzner-Servern bemerke ich keine solchen
> > > Probleme. (Bis vor kurzem liefen sie ebenfalls unter
> > > 6-stable, jetzt 7-stable.)
> > >
> > > Ich schließe mich Bernds Rat an, mal ein tcpdump auf
> > > _beiden_ Seiten zu machen und zu vergleichen. Dann
> > > kannst Du zumindest eingrenzen, ob irgendwo auf dem
> > > Weg ein Paketverlust auftritt oder nicht.
> > >
> >
> > Hier ist das tcpdump von der Windowsseite. Wenn ich das richtig sehe,
> werden
> > in der Vorletzten Zeile die 2521 Byte übertragen, die dann auch die
> Datei
> > groß ist. Danach ist schluß. Ähnlich schaut das ganze auch aus, wenn
> ich
> > größere Datenmengen über den Port 80 schieben will.
>
> Das ist nicht von _beiden_ Seiten, sondern wieder nur von einer.
> Außerdem ist das unschlüssig:
> Alle diese Packete sind von einer einzigen Verbindung, aber es werden
> immer
> mehr Bytes bestätigt, obwohl keine weiteren empfangen werden.
>
> > 18:22:08.812500 IP [Server].21 > [WinRechner].1286: P 70:105(35) ack
> 15 win
> > 65535
> > 18:22:08.875000 IP [Server].21 > [WinRechner].1286: P 105:133(28) ack
> 30 win
> > 65535
> > 18:22:08.906250 IP [Server].21 > [WinRechner].1286: P 133:152(19) ack
> 36 win
> > 65535
> > 18:22:08.937500 IP [Server].21 > [WinRechner].1286: P 152:192(40) ack
> 42 win
> > 65535
> > 18:22:09.171875 IP [Server].21 > [WinRechner].1286: P 192:201(9) ack
> 42 win
> > 65535
> > 18:22:09.203125 IP [Server].21 > [WinRechner].1286: P 201:235(34) ack
> 47 win
> > 65535
> > 18:22:09.234375 IP [Server].21 > [WinRechner].1286: P 235:254(19) ack
> 55 win
> > 65535
> > 18:22:09.281250 IP [Server].21 > [WinRechner].1286: P 254:304(50) ack
> 61 win
> > 65535
>
> Du hast scheinbar nicht nur von _einer_ Seite, sondern auch nur _eine_
> Richtung aufgezeichnet.
> Das ist noch weniger hilfreich, als bisher.
> Was gebraucht wird ist _beide_Seiten_, _beide_Richtungen_, von
> _einem_Versuch_ - am besten noch mit gestellter Systemuhr, damit die
> Timestamps auch vergleichbar sind.
>
> --
> B.Walter http://www.bwct.de http://www.fizon.de
> bernd(at)bwct.de info(at)bwct.de support(at)fizon.de

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Received on Sun 17 Feb 2008 - 20:02:29 CET