ZyXEL Communications P-2302R-P1 - Manual (Page 131)

P2302R-P1 Support Notes
All contents Copyright

2007 ZyXEL Communications Corporation.
131
Protocol = 0x06 (TCP)
Header Checksum = 0x857D (34173)
Source IP = 0xC01F0782 (192.31.7.130)
Destination IP = 0xC0A80102 (192.168.1.2)
TCP Header:
Source Port = 0x0050 (80)
Destination Port = 0x044F (1103)
Sequence Number = 0xD91B1826 (3642431526)
Ack Number = 0x00AA405F (11157599)
Header Length = 24
Flags = 0x12 (.A..S.)
Window Size = 0xFAF0 (64240)
Checksum = 0xDCEF (56559)
Urgent Ptr = 0x0000 (0)
Options =
0000: 02 04 05 B4
RAW DATA:
0000: 00 80 C8 4C EA 63 00 A0-C5 92 13 11 08 00 45 00 ...L.c........E.
0010: 00 2C 7F 02 40 00 ED 06-85 7D C0 1F 07 82 C0 A8 .,..@....}......
0020: 01 02 00 50 04 4F D9 1B-18 26 00 AA 40 5F 60 12 ...P.O...&..@_`.
0030: FA F0 DC EF 00 00 02 04-05 B4 ..........
Prestige>
2. Trace WAN packet
1.1 Disable to capture the LAN packet by entering: sys trcp channel enet0 none
1.2 Enable to capture the WAN packet by entering: sys trcp channel enet1 bothway
1.3 Enable the trace log by entering: sys trcp sw on & sys trcl sw on
1.4 Wait for packet passing through ZyXEL Device over WAN
1.5 Disable the trace log by entering: sys trcp sw off & sys trcl sw off
1.6 Display the trace briefly by entering: sys trcp brief
1.7 Display specific packets by using: sys trcp parse <from_index> <to_index>
Example: