Hi all, I've sent the following mail some days ago to the users list, but probably it was not the most approproiated list to do that.
Sorry for those who will receive this message twice. Anyone knows anything about this problem? -----Original Message----- From: Carlos Parada Sent: quarta-feira, 26 de Outubro de 2005 10:34 To: '[email protected]' Subject: Problem with MMS packets reassembling Hi all, (First of all sorry for this so long message) I'm using kannel wap gateway for MMS proxying since some months ago. It always worked ok, but, in the last days, after changing my NAS, problems started to arise. After some sniffing, I noticed that kannel is not doing well the packets reassembly at WTP level. For that reason, the things doesn't work when some packets get lost in the network (probably not a very often situation). The problem is that kannel is not being able to request the retransmition of the right packets correctly. I don't know if this is a known problem and whether it has been fixed yet or not (I did a search and didn't find anything about this issue). Anybody knows how this problem can be fixed? In the following lines I left you the sniffing packets for the transmission of a big MMS using kannel. Regards, Carlos Parada ************ ** Kannel ** ************ terminal: 192.168.250.13 gw: 10.112.64.118 Frame 1 (253 bytes on wire, 253 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Invoke (1), Transaction Class: Reliable Invoke with Reliable Result (2) 0... .... = Continue Flag: No TPI .000 1... = PDU Type: Invoke (0x01) .... .01. = Trailer Flags: Last packet of message (0x01) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0100 = Transaction ID: 0x3cb4 00.. .... = Version: Current (0x00) ..0. .... = TIDNew: TID is valid ...1 .... = U/P flag: User Acknowledgement required .... 00.. = Reserved: 0x00 .... ..10 = Transaction Class: Reliable Invoke with Reliable Result (0x02) Wireless Session Protocol, Method: Connect (0x01), Version: 1.0 Frame 2 (70 bytes on wire, 70 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: Result (2) 0... .... = Continue Flag: No TPI .001 0... = PDU Type: Result (0x02) .... .01. = Trailer Flags: Last packet of message (0x01) .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0100 = Transaction ID: 0x3cb4 Wireless Session Protocol, Method: ConnectReply (0x02), Session ID: 39 Frame 3 (60 bytes on wire, 60 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: ACK (3) 0... .... = Continue Flag: No TPI .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0100 = Transaction ID: 0x3cb4 Frame 4 (1074 bytes on wire, 1074 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Invoke (1), Transaction Class: Reliable Invoke with Reliable Result (2) 1... .... = Continue Flag: TPI Present .000 1... = PDU Type: Invoke (0x01) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 00.. .... = Version: Current (0x00) ..0. .... = TIDNew: TID is valid ...1 .... = U/P flag: User Acknowledgement required .... 00.. = Reserved: 0x00 .... ..10 = Transaction Class: Reliable Invoke with Reliable Result (0x02) TPI: Option (0x02) Option: Maximum group (0x04) Option Value Payload Frame 5 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 0 Frame 6 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 1 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 1 Payload Frame 7 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 2 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 2 Payload Frame 8 (146 bytes on wire, 146 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 5, Retransmission 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...1 = Re-transmission Indicator: Re-Transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 5 Payload Frame 9 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 5 Frame 10 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 6 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 6 Payload Frame 11 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 7 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 7 Payload Frame 12 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 8 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 8 Payload Frame 13 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 10, Retransmission 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...1 = Re-transmission Indicator: Re-Transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 10 Payload Frame 14 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 10 Frame 15 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 11 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 11 Payload Frame 16 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 12 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 12 Payload Frame 17 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 15, Retransmission 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...1 = Re-transmission Indicator: Re-Transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 15 Payload Frame 18 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 15 Frame 19 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 16 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 16 Payload Frame 20 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 17 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 17 Payload Frame 21 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 20, Retransmission 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...1 = Re-transmission Indicator: Re-Transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 20 Payload Frame 22 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 20 Frame 23 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 21 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 21 Payload Frame 24 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 22 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .00. = Trailer Flags: Not last packet (0x00) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 22 Payload Frame 25 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 25, Retransmission 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...1 = Re-transmission Indicator: Re-Transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 25 Payload Frame 26 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 25 Frame 27 (1070 bytes on wire, 1070 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 30, Retransmission 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .10. = Trailer Flags: Last packet of group (0x02) .... ...1 = Re-transmission Indicator: Re-Transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 30 Payload Frame 28 (47 bytes on wire, 47 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: ACK (3) 1... .... = Continue Flag: TPI Present .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 TPI: Packet sequence number (0x03) Packet sequence number: 30 Frame 29 (534 bytes on wire, 534 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Segmented Invoke (5), Packet Sequence Number: 31 0... .... = Continue Flag: No TPI .010 1... = PDU Type: Segmented Invoke (0x05) .... .01. = Trailer Flags: Last packet of message (0x01) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Packet Sequence Number: 31 Payload Frame 30 (51 bytes on wire, 51 bytes captured) Ethernet II, Src: 00:06:29:1f:3e:a5, Dst: 00:13:60:ee:0e:8e Internet Protocol, Src Addr: 10.112.64.118 (10.112.64.118), Dst Addr: 192.168.250.13 (192.168.250.13) User Datagram Protocol, Src Port: 9201 (9201), Dst Port: 49200 (49200) Wireless Transaction Protocol, PDU: Result (2) 0... .... = Continue Flag: No TPI .001 0... = PDU Type: Result (0x02) .... .01. = Trailer Flags: Last packet of message (0x01) .... ...0 = Re-transmission Indicator: First transmission 1... .... .... .... = TID Response: Response .011 1100 1011 0101 = Transaction ID: 0x3cb5 Wireless Session Protocol, Method: Reply (0x04), Status: 502 Bad Gateway (0x62), Content-Type: text/plain Frame 31 (60 bytes on wire, 60 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: ACK (3) 0... .... = Continue Flag: No TPI .001 1... = PDU Type: Ack (0x03) .... .0.. = Tve/Tok flag: False .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0101 = Transaction ID: 0x3cb5 Frame 32 (60 bytes on wire, 60 bytes captured) Ethernet II, Src: 00:13:60:ee:0e:8e, Dst: 00:06:29:1f:3e:a5 Internet Protocol, Src Addr: 192.168.250.13 (192.168.250.13), Dst Addr: 10.112.64.118 (10.112.64.118) User Datagram Protocol, Src Port: 49200 (49200), Dst Port: 9201 (9201) Wireless Transaction Protocol, PDU: Invoke (1), Transaction Class: Unreliable Invoke without Result (0) 0... .... = Continue Flag: No TPI .000 1... = PDU Type: Invoke (0x01) .... .01. = Trailer Flags: Last packet of message (0x01) .... ...0 = Re-transmission Indicator: First transmission 0... .... .... .... = TID Response: Original .011 1100 1011 0110 = Transaction ID: 0x3cb6 00.. .... = Version: Current (0x00) ..0. .... = TIDNew: TID is valid ...1 .... = U/P flag: User Acknowledgement required .... 00.. = Reserved: 0x00 .... ..00 = Transaction Class: Unreliable Invoke without Result (0x00) Wireless Session Protocol, Method: Disconnect (0x05), Session ID: 39
