Fw: [Bugme-new] [Bug 2991] New: vlan (8021q) is working bad with some sites and some ports
From: Andrew Morton <hidden>
Date: 2004-07-01 07:28:14
Begin forwarded message: Date: Thu, 1 Jul 2004 00:19:15 -0700 From: bugme-daemon@osdl.org To: bugme-new@lists.osdl.org Subject: [Bugme-new] [Bug 2991] New: vlan (8021q) is working bad with some sites and some ports http://bugme.osdl.org/show_bug.cgi?id=2991 Summary: vlan (8021q) is working bad with some sites and some ports Kernel Version: 2.6.7 Status: NEW Severity: high Owner: niv@us.ibm.com Submitter: roxwal@libero.it Distribution: Vlan (8021q) lost ipv4 packet Hardware Environment: HP tc3100 + switch 3com 3c16886A Software Environment: Mandrake 10 official + kernel 2.6.7-2mdk Problem Description: While using vlan (eth0.2) for connection to internet mostly sites don't work (ex: www.ziobudda.net bad, punto-informatico.it ok) The connection starts but no packet are recived. tcpdump -i eth0.2 -vv -X host www.ziobudda.net tcpdump: listening on eth0.2, link-type EN10MB (Ethernet), capture size 96 bytes 09:03:48.715078 IP (tos 0x0, ttl 64, id 51924, offset 0, flags [DF], length: 52) 81.112.63.189.32933 > 193.254.241.4.http: F [tcp sum ok] 2920000677:2920000677(0) ack 2170843880 win 5840 <nop,nop,timestamp 1895751 271281932> 0x0000 4500 0034 cad4 4000 4006 2bbf 5170 3fbd E..4..@.@.+.Qp?. 0x0010 c1fe f104 80a5 0050 ae0b aca5 8164 72e8 .......P.....dr. 0x0020 8011 16d0 df2c 0000 0101 080a 001c ed47 .....,.........G 0x0030 102b 6f0c .+o. 09:03:48.723397 IP (tos 0x0, ttl 54, id 7661, offset 0, flags [DF], length: 52) 193.254.241.4.http > 81.112.63.189.32933: . [tcp sum ok] 2897:2897(0) ack 1 win 6432 <nop,nop,timestamp 271285501 1895751> 0x0000 4500 0034 1ded 4000 3606 e2a6 c1fe f104 E..4..@.6....... 0x0010 5170 3fbd 0050 80a5 8164 7e38 ae0b aca6 Qp?..P...d~8.... 0x0020 8010 1920 c39b 0000 0101 080a 102b 7cfd .............+|. 0x0030 001c ed47 ...G 09:03:48.826211 IP (tos 0x0, ttl 64, id 20222, offset 0, flags [DF], length: 60) 81.112.63.189.32934 > 193.254.241.4.http: S [tcp sum ok] 2985141064:2985141064(0) win 5840 <mss 1460,sackOK,timestamp 1895862 0,nop,wscale 0> 0x0000 4500 003c 4efe 4000 4006 a78d 5170 3fbd E..<N.@.@...Qp?. 0x0010 c1fe f104 80a6 0050 b1ed a348 0000 0000 .......P...H.... 0x0020 a002 16d0 2907 0000 0204 05b4 0402 080a ....)........... 0x0030 001c edb6 0000 0000 0103 0300 ............ 09:03:48.834155 IP (tos 0x0, ttl 54, id 0, offset 0, flags [DF], length: 60) 193.254.241.4.http > 81.112.63.189.32934: S [tcp sum ok] 2195619523:2195619523 (0) ack 2985141065 win 5792 <mss 1460,sackOK,timestamp 271285512 1895862,nop,wscale 0> 0x0000 4500 003c 0000 4000 3606 008c c1fe f104 E..<..@.6....... 0x0010 5170 3fbd 0050 80a6 82de 7ec3 b1ed a349 Qp?..P....~....I 0x0020 a012 16a0 9a50 0000 0204 05b4 0402 080a .....P.......... 0x0030 102b 7d08 001c edb6 0103 0300 .+}......... 09:03:48.834228 IP (tos 0x0, ttl 64, id 20223, offset 0, flags [DF], length: 52) 81.112.63.189.32934 > 193.254.241.4.http: . [tcp sum ok] 1:1(0) ack 1 win 5840 <nop,nop,timestamp 1895870 271285512> 0x0000 4500 0034 4eff 4000 4006 a794 5170 3fbd E..4N.@.@...Qp?. 0x0010 c1fe f104 80a6 0050 b1ed a349 82de 7ec4 .......P...I..~. 0x0020 8010 16d0 c8dd 0000 0101 080a 001c edbe ................ 0x0030 102b 7d08 .+}. 09:03:48.836162 IP (tos 0x0, ttl 64, id 20224, offset 0, flags [DF], length: 451) 81.112.63.189.32934 > 193.254.241.4.http: P 1:400(399) ack 1 win 5840 <nop,nop,timestamp 1895872 271285512> 0x0000 4500 01c3 4f00 4000 4006 a604 5170 3fbd E...O.@.@...Qp?. 0x0010 c1fe f104 80a6 0050 b1ed a349 82de 7ec4 .......P...I..~. 0x0020 8018 16d0 78ce 0000 0101 080a 001c edc0 ....x........... 0x0030 102b 7d08 4745 5420 2f20 4854 5450 2f31 .+}.GET./.HTTP/1 0x0040 2e31 0d0a 436f 6e6e 6563 7469 6f6e 3a20 .1..Connection:. 0x0050 4b65 Ke 09:03:48.846287 IP (tos 0x0, ttl 54, id 973, offset 0, flags [DF], length: 52) 193.254.241.4.http > 81.112.63.189.32934: . [tcp sum ok] 1:1(0) ack 400 win 6432 <nop,nop,timestamp 271285513 1895872> 0x0000 4500 0034 03cd 4000 3606 fcc6 c1fe f104 E..4..@.6....... 0x0010 5170 3fbd 0050 80a6 82de 7ec4 b1ed a4d8 Qp?..P....~..... 0x0020 8010 1920 c4fb 0000 0101 080a 102b 7d09 .............+}. 0x0030 001c edc0 (no more) the ping works and the telnet towards others ports (but 80) work if I use une other net card for direct connettion (eth1) internet connections works perfectly Steps to reproduce: hdsl + router cisco + 3com switch layer 3 + vlan eth0 local lan eth0.2 internet links www.ziobudda.net tks W:-} ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.