<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">Now, i'll explain and show the INVITE causing the crash:<br>The INVITE packet is fragmented in two frames. The capture is done with the ethereal (wireshark now) and it's the next:<br><br>***********************************************************************<br>No. Time
Source Destination Protocol Info<br>
1 0.000000 2001:720:1500:24:fcfd:ff:fe0d:101
2001:720:1500:1b:20c:76ff:fe6c:4658 IPv6 IPv6 fragment (nxt=UDP
(0x11) off=1408 id=0x5)<br><br>Frame 1 (431 bytes on wire, 431 bytes captured)<br> Arrival Time: Nov 30, 2006 16:40:02.345512000<br> Time delta from previous packet: 0.000000000 seconds<br> Time since reference or first frame: 0.000000000 seconds<br> Frame Number: 1<br> Packet Length: 431 bytes<br> Capture Length: 431 bytes<br> Protocols in frame: sll:ipv6:data<br>Linux cooked capture<br> Packet type: Unicast to another host (3)<br> Link-layer address
type: 1<br> Link-layer address length: 6<br> Source: Cisco_17:28:70 (00:d0:06:17:28:70)<br> Protocol: IPv6 (0x86dd)<br>Internet Protocol Version 6<br> Version: 6<br> Traffic class: 0x00<br> Flowlabel: 0x00000<br> Payload length: 375<br> Next header: IPv6 fragment (0x2c)<br> Hop limit: 61<br> Source address: 2001:720:1500:24:fcfd:ff:fe0d:101 (2001:720:1500:24:fcfd:ff:fe0d:101)<br> Destination address: 2001:720:1500:1b:20c:76ff:fe6c:4658 (2001:720:1500:1b:20c:76ff:fe6c:4658)<br>Fragmentation Header<br> Next header: UDP (0x11)<br> Offset: 1408<br> More fragments: No<br> Identification: 0x00000005<br>Data (367 bytes)<br><br>0000 00 03 00 01 00 06 00 d0 06 17 28 70 00 00 86 dd
..........(p....<br>0010 60 00 00 00 01 77 2c 3d 20 01 07 20 15 00 00 24 `....w,= .. ...$<br>0020 fc fd 00 ff fe 0d 01 01 20 01 07 20 15 00 00 1b ........ .. ....<br>0030 02 0c 76 ff fe 6c 46 58 11 00 05 80 00 00 00 05 ..v..lFX........<br>0040 50 44 41 54 45 0d 0a 52 65 70 6c 61 63 65 73 3a PDATE..Replaces:<br>0050 20 64 34 63 38 37 63 39 30 32 64 31 62 35 32 62 d4c87c902d1b52b<br>0060 32 38 36 62 61 64 39 36 66 33 63 62 62 36 31 34 286bad96f3cbb614<br>0070 34 40 5b 32 30 30 31 3a 37 32 30 3a 31 35 30 30 4@[2001:720:1500<br>0080 3a 31 61 3a 32 33 30 3a 31 62 66 66 3a 66 65 31 :1a:230:1bff:fe1<br>0090 30 3a 35 66 62 33 5d 3b 72 65 61 73 6f 6e 3d 53 0:5fb3];reason=S<br>00a0 49 50 20 72 6f 75 74 65 20 68 61 73 20 63 68 61 IP route has cha<br>00b0 6e 67 65 64 0d 0a 43 6f 6e 74 65 6e 74 2d
54 79 nged..Content-Ty<br>00c0 70 65 3a 20 61 70 70 6c 69 63 61 74 69 6f 6e 2f pe: application/<br>00d0 73 64 70 0d 0a 43 6f 6e 74 65 6e 74 2d 4c 65 6e sdp..Content-Len<br>00e0 67 74 68 3a 20 31 39 35 0d 0a 0d 0a 76 3d 30 0d gth: 195....v=0.<br>00f0 0a 6f 3d 69 73 61 62 65 6c 20 30 20 30 20 49 4e .o=isabel 0 0 IN<br>0100 20 49 50 36 20 5b 32 30 30 31 3a 37 32 30 3a 31 IP6 [2001:720:1<br>0110 35 30 30 3a 31 61 3a 32 33 30 3a 31 62 66 66 3a 500:1a:230:1bff:<br>0120 66 65 31 30 3a 35 66 62 33 5d 0d 0a 73 3d 2d 0d fe10:5fb3]..s=-.<br>0130 0a 63 3d 49 4e 20 49 50 36 20 32 30 30 31 3a 37 .c=IN IP6 2001:7<br>0140 32 30 3a 31 35 30 30 3a 31 61 3a 32 33 30 3a 31 20:1500:1a:230:1<br>0150 62 66 66 3a 66 65 31 30 3a 35 66 62 33 0d 0a 74 bff:fe10:5fb3..t<br>0160 3d 30 20 30 0d 0a 6d 3d
61 75 64 69 6f 20 32 32 =0 0..m=audio 22<br>0170 32 32 34 20 52 54 50 2f 41 56 50 20 30 20 33 20 224 RTP/AVP 0 3 <br>0180 34 20 35 20 36 20 38 20 31 35 20 31 38 0d 0a 6d 4 5 6 8 15 18..m<br>0190 3d 76 69 64 65 6f 20 32 32 32 32 32 20 52 54 50 =video 22222 RTP<br>01a0 2f 41 56 50 20 32 36 20 33 34 20 33 31 0d 0a /AVP 26 34 31..<br>No. Time Source Destination Protocol Info<br>
2 0.000117 2001:720:1500:24:fcfd:ff:fe0d:101
2001:720:1500:1b:20c:76ff:fe6c:4658 SIP Request: INVITE
sip:[2001:720:1500:1b:20c:76ff:fe6c:4658]:5060;transport=udp<br><br>Frame 2 (1512 bytes on wire, 1512 bytes
captured)<br> Arrival Time: Nov 30, 2006 16:40:02.345629000<br> Time delta from previous packet: 0.000117000 seconds<br> Time since reference or first frame: 0.000117000 seconds<br> Frame Number: 2<br> Packet Length: 1512 bytes<br> Capture Length: 1512 bytes<br> Protocols in frame: sll:ipv6:ipv6:udp:sip<br>Linux cooked capture<br> Packet type: Sent by us (4)<br> Link-layer address type: 1<br> Link-layer address length: 6<br> Source: fe:fd:00:0c:00:01 (fe:fd:00:0c:00:01)<br> Protocol: IPv6 (0x86dd)<br>Internet Protocol Version 6<br> Version: 6<br> Traffic class: 0x00<br> Flowlabel: 0x00000<br> Payload length: 1456<br> Next header: IPv6 (0x29)<br> Hop
limit: 64<br> Source address: 2001:720:1500:1b:fcfd:ff:fe0c:1 (2001:720:1500:1b:fcfd:ff:fe0c:1)<br> Destination address: 2001:720:1500:24:20c:76ff:fe6c:4658 (2001:720:1500:24:20c:76ff:fe6c:4658)<br>Internet Protocol Version 6<br> Version: 6<br> Traffic class: 0x00<br> Flowlabel: 0x00000<br> Payload length: 1416<br> Next header: IPv6 fragment (0x2c)<br> Hop limit: 60<br> Source address: 2001:720:1500:24:fcfd:ff:fe0d:101 (2001:720:1500:24:fcfd:ff:fe0d:101)<br> Destination address: 2001:720:1500:1b:20c:76ff:fe6c:4658 (2001:720:1500:1b:20c:76ff:fe6c:4658)<br>Fragmentation Header<br> Next header: UDP (0x11)<br> Offset: 0<br> More fragments: Yes<br> Identification: 0x00000005<br>User Datagram Protocol, Src Port: sip (5060), Dst
Port: sip (5060)<br> Source port: sip (5060)<br> Destination port: sip (5060)<br> Length: 1775<br> Checksum: 0x9301<br>Session Initiation Protocol<br> Request-Line: INVITE sip:[2001:720:1500:1b:20c:76ff:fe6c:4658]:5060;transport=udp SIP/2.0<br> Method: INVITE<br> Resent Packet: False<br> Message Header<br> Record-Route: <sip:[2001:720:1500:24:FCFD:FF:FE0D:101];ftag=12122347;lr=on><br> Record-Route: <sip:[2001:720:1500:1B:FCFD:FF:FE0C:103];ftag=12122347;lr=on><br> Record-Route: <sip:[2001:720:1500:1A:FCFD:FF:FE0A:103];ftag=12122347;lr=on><br> Record-Route:
<sip:[2001:720:1500:19:FCFD:FF:FE0E:101];ftag=12122347;lr=on><br> Call-ID: 138104335821ad9b21971c7d6059b6c8@[2001:720:1500:1a:230:1bff:fe10:5fb3]<br> CSeq: 1 INVITE<br> From: "ueA" <sip:ueA@domainA.ammi.dit.upm.es>;tag=12122347<br> SIP Display info: "ueA" <br> SIP from address: sip:ueA@domainA.ammi.dit.upm.es<br> SIP tag: 12122347<br> To: <sip:ueC@domainC.ammi.dit.upm.es><br> SIP to address: sip:ueC@domainC.ammi.dit.upm.es<br> Via: SIP/2.0/UDP
[2001:720:1500:24:FCFD:FF:FE0D:101];branch=z9hG4bK1205.ddbf87e4.0<br> Via: SIP/2.0/UDP [2001:720:1500:1B:FCFD:FF:FE0C:103];branch=z9hG4bK1205.c8a66626.0<br> Via: SIP/2.0/UDP [2001:720:1500:1B:FCFD:FF:FE0C:102];branch=z9hG4bK1205.1cb3a0b4.0<br> Via: SIP/2.0/UDP [2001:720:1500:1A:FCFD:FF:FE0A:103];branch=z9hG4bK1205.44344f04.0<br> Via: SIP/2.0/UDP [2001:720:1500:19:FCFD:FF:FE0E:101];branch=z9hG4bK1205.a44e3b34.0<br> Via: SIP/2.0/UDP [2001:720:1500:1a:230:1bff:fe10:5fb3]:61052;branch=z9hG4bK40e1844512a234e326ef8222f8b204fb<br> Max-Forwards: 12<br> Contact: "ueA"
<sip:[2001:720:1500:1a:230:1bff:fe10:5fb3]:61052;transport=udp><br> Contact Binding: "ueA" <sip:[2001:720:1500:1a:230:1bff:fe10:5fb3]:61052;transport=udp><br> URI: "ueA" <sip:[2001:720:1500:1a:230:1bff:fe10:5fb3]:61052;transport=udp><br> SIP Display info: "ueA"<br> SIP contact address: sip:[2001:720:1500:1a:230:1bff:fe10:5fb3]:61052<br> P-Preferred-Identity: "ueA" <sip:ueA@domainA.ammi.dit.upm.es>;tag=12122347<br> Privacy: none<br>
P-Access-Network-Info: 3GPP-UTRAN-TDD;utran-cell-id-3gpp=181086<br> Allow: INVITE,ACK,CANCEL,BYE,PRACK,U<br><br>0000 00 04 00 01 00 06 fe fd 00 0c 00 01 00 00 86 dd ................<br>0010 60 00 00 00 05 b0 29 40 20 01 07 20 15 00 00 1b `.....)@ .. ....<br>0020 fc fd 00 ff fe 0c 00 01 20 01 07 20 15 00 00 24 ........ .. ...$<br>0030 02 0c 76 ff fe 6c 46 58 60 00 00 00 05 88 2c 3c ..v..lFX`.....,<<br>0040 20 01 07 20 15 00 00 24 fc fd 00 ff fe 0d 01 01 .. ...$........<br>0050 20 01 07 20 15 00 00 1b 02 0c 76 ff fe 6c 46 58 .. ......v..lFX<br>0060 11 00 00 01 00 00 00 05 13 c4 13 c4 06 ef 93 01 ................<br>0070 49 4e 56 49 54 45 20 73 69 70 3a 5b 32 30 30 31 INVITE sip:[2001<br>0080 3a 37 32 30 3a 31 35 30 30 3a 31 62 3a 32 30 63
:720:1500:1b:20c<br>0090 3a 37 36 66 66 3a 66 65 36 63 3a 34 36 35 38 5d :76ff:fe6c:4658]<br>00a0 3a 35 30 36 30 3b 74 72 61 6e 73 70 6f 72 74 3d :5060;transport=<br>00b0 75 64 70 20 53 49 50 2f 32 2e 30 0d 0a 52 65 63 udp SIP/2.0..Rec<br>00c0 6f 72 64 2d 52 6f 75 74 65 3a 20 3c 73 69 70 3a ord-Route: <sip:<br>00d0 5b 32 30 30 31 3a 37 32 30 3a 31 35 30 30 3a 32 [2001:720:1500:2<br>00e0 34 3a 46 43 46 44 3a 46 46 3a 46 45 30 44 3a 31 4:FCFD:FF:FE0D:1<br>00f0 30 31 5d 3b 66 74 61 67 3d 31 32 31 32 32 33 34 01];ftag=1212234<br>0100 37 3b 6c 72 3d 6f 6e 3e 0d 0a 52 65 63 6f 72 64 7;lr=on>..Record<br>0110 2d 52 6f 75 74 65 3a 20 3c 73 69 70 3a 5b 32 30 -Route: <sip:[20<br>0120 30 31 3a 37 32 30 3a 31 35 30 30 3a 31 42 3a 46 01:720:1500:1B:F<br>0130 43 46 44 3a 46 46 3a 46 45 30 43 3a
31 30 33 5d CFD:FF:FE0C:103]<br>0140 3b 66 74 61 67 3d 31 32 31 32 32 33 34 37 3b 6c ;ftag=12122347;l<br>0150 72 3d 6f 6e 3e 0d 0a 52 65 63 6f 72 64 2d 52 6f r=on>..Record-Ro<br>0160 75 74 65 3a 20 3c 73 69 70 3a 5b 32 30 30 31 3a ute: <sip:[2001:<br>0170 37 32 30 3a 31 35 30 30 3a 31 41 3a 46 43 46 44 720:1500:1A:FCFD<br>0180 3a 46 46 3a 46 45 30 41 3a 31 30 33 5d 3b 66 74 :FF:FE0A:103];ft<br>0190 61 67 3d 31 32 31 32 32 33 34 37 3b 6c 72 3d 6f ag=12122347;lr=o<br>01a0 6e 3e 0d 0a 52 65 63 6f 72 64 2d 52 6f 75 74 65 n>..Record-Route<br>01b0 3a 20 3c 73 69 70 3a 5b 32 30 30 31 3a 37 32 30 : <sip:[2001:720<br>01c0 3a 31 35 30 30 3a 31 39 3a 46 43 46 44 3a 46 46 :1500:19:FCFD:FF<br>01d0 3a 46 45 30 45 3a 31 30 31 5d 3b 66 74 61 67 3d :FE0E:101];ftag=<br>01e0 31 32 31
32 32 33 34 37 3b 6c 72 3d 6f 6e 3e 0d 12122347;lr=on>.<br>01f0 0a 43 61 6c 6c 2d 49 44 3a 20 31 33 38 31 30 34 .Call-ID: 138104<br>0200 33 33 35 38 32 31 61 64 39 62 32 31 39 37 31 63 335821ad9b21971c<br>0210 37 64 36 30 35 39 62 36 63 38 40 5b 32 30 30 31 7d6059b6c8@[2001<br>0220 3a 37 32 30 3a 31 35 30 30 3a 31 61 3a 32 33 30 :720:1500:1a:230<br>0230 3a 31 62 66 66 3a 66 65 31 30 3a 35 66 62 33 5d :1bff:fe10:5fb3]<br>0240 0d 0a 43 53 65 71 3a 20 31 20 49 4e 56 49 54 45 ..CSeq: 1 INVITE<br>0250 0d 0a 46 72 6f 6d 3a 20 22 75 65 41 22 20 3c 73 ..From: "ueA" <s<br>0260 69 70 3a 75 65 41 40 64 6f 6d 61 69 6e 41 2e 61 ip:ueA@domainA.a<br>0270 6d 6d 69 2e 64 69 74 2e 75 70 6d 2e 65 73 3e 3b mmi.dit.upm.es>;<br>0280 74 61 67 3d 31 32 31 32 32 33 34 37 0d 0a 54 6f
tag=12122347..To<br>0290 3a 20 3c 73 69 70 3a 75 65 43 40 64 6f 6d 61 69 : <sip:ueC@domai<br>02a0 6e 43 2e 61 6d 6d 69 2e 64 69 74 2e 75 70 6d 2e nC.ammi.dit.upm.<br>02b0 65 73 3e 0d 0a 56 69 61 3a 20 53 49 50 2f 32 2e es>..Via: SIP/2.<br>02c0 30 2f 55 44 50 20 5b 32 30 30 31 3a 37 32 30 3a 0/UDP [2001:720:<br>02d0 31 35 30 30 3a 32 34 3a 46 43 46 44 3a 46 46 3a 1500:24:FCFD:FF:<br>02e0 46 45 30 44 3a 31 30 31 5d 3b 62 72 61 6e 63 68 FE0D:101];branch<br>02f0 3d 7a 39 68 47 34 62 4b 31 32 30 35 2e 64 64 62 =z9hG4bK1205.ddb<br>0300 66 38 37 65 34 2e 30 0d 0a 56 69 61 3a 20 53 49 f87e4.0..Via: SI<br>0310 50 2f 32 2e 30 2f 55 44 50 20 5b 32 30 30 31 3a P/2.0/UDP [2001:<br>0320 37 32 30 3a 31 35 30 30 3a 31 42 3a 46 43 46 44 720:1500:1B:FCFD<br>0330 3a 46 46 3a 46 45 30 43 3a 31 30 33 5d
3b 62 72 :FF:FE0C:103];br<br>0340 61 6e 63 68 3d 7a 39 68 47 34 62 4b 31 32 30 35 anch=z9hG4bK1205<br>0350 2e 63 38 61 36 36 36 32 36 2e 30 0d 0a 56 69 61 .c8a66626.0..Via<br>0360 3a 20 53 49 50 2f 32 2e 30 2f 55 44 50 20 5b 32 : SIP/2.0/UDP [2<br>0370 30 30 31 3a 37 32 30 3a 31 35 30 30 3a 31 42 3a 001:720:1500:1B:<br>0380 46 43 46 44 3a 46 46 3a 46 45 30 43 3a 31 30 32 FCFD:FF:FE0C:102<br>0390 5d 3b 62 72 61 6e 63 68 3d 7a 39 68 47 34 62 4b ];branch=z9hG4bK<br>03a0 31 32 30 35 2e 31 63 62 33 61 30 62 34 2e 30 0d 1205.1cb3a0b4.0.<br>03b0 0a 56 69 61 3a 20 53 49 50 2f 32 2e 30 2f 55 44 .Via: SIP/2.0/UD<br>03c0 50 20 5b 32 30 30 31 3a 37 32 30 3a 31 35 30 30 P [2001:720:1500<br>03d0 3a 31 41 3a 46 43 46 44 3a 46 46 3a 46 45 30 41 :1A:FCFD:FF:FE0A<br>03e0 3a 31 30 33 5d 3b 62 72
61 6e 63 68 3d 7a 39 68 :103];branch=z9h<br>03f0 47 34 62 4b 31 32 30 35 2e 34 34 33 34 34 66 30 G4bK1205.44344f0<br>0400 34 2e 30 0d 0a 56 69 61 3a 20 53 49 50 2f 32 2e 4.0..Via: SIP/2.<br>0410 30 2f 55 44 50 20 5b 32 30 30 31 3a 37 32 30 3a 0/UDP [2001:720:<br>0420 31 35 30 30 3a 31 39 3a 46 43 46 44 3a 46 46 3a 1500:19:FCFD:FF:<br>0430 46 45 30 45 3a 31 30 31 5d 3b 62 72 61 6e 63 68 FE0E:101];branch<br>0440 3d 7a 39 68 47 34 62 4b 31 32 30 35 2e 61 34 34 =z9hG4bK1205.a44<br>0450 65 33 62 33 34 2e 30 0d 0a 56 69 61 3a 20 53 49 e3b34.0..Via: SI<br>0460 50 2f 32 2e 30 2f 55 44 50 20 5b 32 30 30 31 3a P/2.0/UDP [2001:<br>0470 37 32 30 3a 31 35 30 30 3a 31 61 3a 32 33 30 3a 720:1500:1a:230:<br>0480 31 62 66 66 3a 66 65 31 30 3a 35 66 62 33 5d 3a 1bff:fe10:5fb3]:<br>0490 36 31 30
35 32 3b 62 72 61 6e 63 68 3d 7a 39 68 61052;branch=z9h<br>04a0 47 34 62 4b 34 30 65 31 38 34 34 35 31 32 61 32 G4bK40e1844512a2<br>04b0 33 34 65 33 32 36 65 66 38 32 32 32 66 38 62 32 34e326ef8222f8b2<br>04c0 30 34 66 62 0d 0a 4d 61 78 2d 46 6f 72 77 61 72 04fb..Max-Forwar<br>04d0 64 73 3a 20 31 32 0d 0a 43 6f 6e 74 61 63 74 3a ds: 12..Contact:<br>04e0 20 22 75 65 41 22 20 3c 73 69 70 3a 5b 32 30 30 "ueA" <sip:[200<br>04f0 31 3a 37 32 30 3a 31 35 30 30 3a 31 61 3a 32 33 1:720:1500:1a:23<br>0500 30 3a 31 62 66 66 3a 66 65 31 30 3a 35 66 62 33 0:1bff:fe10:5fb3<br>0510 5d 3a 36 31 30 35 32 3b 74 72 61 6e 73 70 6f 72 ]:61052;transpor<br>0520 74 3d 75 64 70 3e 0d 0a 50 2d 50 72 65 66 65 72 t=udp>..P-Prefer<br>0530 72 65 64 2d 49 64 65 6e 74 69 74 79 3a 20 22 75 red-Identity:
"u<br>0540 65 41 22 20 3c 73 69 70 3a 75 65 41 40 64 6f 6d eA" <sip:ueA@dom<br>0550 61 69 6e 41 2e 61 6d 6d 69 2e 64 69 74 2e 75 70 ainA.ammi.dit.up<br>0560 6d 2e 65 73 3e 3b 74 61 67 3d 31 32 31 32 32 33 m.es>;tag=121223<br>0570 34 37 0d 0a 50 72 69 76 61 63 79 3a 20 6e 6f 6e 47..Privacy: non<br>0580 65 0d 0a 50 2d 41 63 63 65 73 73 2d 4e 65 74 77 e..P-Access-Netw<br>0590 6f 72 6b 2d 49 6e 66 6f 3a 20 33 47 50 50 2d 55 ork-Info: 3GPP-U<br>05a0 54 52 41 4e 2d 54 44 44 3b 75 74 72 61 6e 2d 63 TRAN-TDD;utran-c<br>05b0 65 6c 6c 2d 69 64 2d 33 67 70 70 3d 31 38 31 30 ell-id-3gpp=1810<br>05c0 38 36 0d 0a 41 6c 6c 6f 77 3a 20 49 4e 56 49 54 86..Allow: INVIT<br>05d0 45 2c 41 43 4b 2c 43 41 4e 43 45 4c 2c 42 59 45 E,ACK,CANCEL,BYE<br>05e0 2c 50 52 41 43 4b 2c
55 ,PRACK,U<br><br>***********************************************************************<br>If you want the .cap file for open it with ethereal, ask it for me.<br><br>Thanks for your help.</div></div><br>
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