User`s manual

P-660 Series Support Notes
157
All contents copyright © 2005 ZyXEL Communications Corporation.
TCP Header:
Source Port = 0x045C (1116)
Destination Port = 0x0050 (80)
Sequence Number = 0x00BD15A8 (12391848)
Ack Number = 0x4AD1B580 (1255257472)
Header Length = 20
Flags = 0x10 (.A....)
Window Size = 0x2238 (8760)
Checksum = 0xE8ED (59629)
Urgent Ptr = 0x0000 (0)
TCP Data: (Length=6, Captured=6)
0000: 20 20 20 20 20 20
RAW DATA:
0000: 00 A0 C5 92 13 11 00 80-C8 4C EA 63 08 00 45 00 .........L.c..E.
0010: 00 28 35 0B 40 00 80 06-3C 79 C0 A8 01 02 C0 1F .(5.@...<y......
0020: 07 82 04 5C 00 50 00 BD-15 A8 4A D1 B5 80 50 10 ...\.P....J...P.
0030: 22 38 E8 ED 00 00 20 20-20 20 20 20 "8....
2. Trace WAN packet
• Disable the capture of the LAN packet by entering: sys trcp channel enet0 none
• Enable to capture the WAN packet by entering: sys trcp channel mpoa00 bothway
• Enable the trace log by entering: sys trcp sw on & sys trcl sw on
• Display the brief trace online by entering: sys trcd brief
• Display the detailed trace online by entering: sys trcd parse
Example:
P-660> sys trcp channel enet0 none
P-660> sys trcp channel mpoa00 bothway
P-660> sys trcp sw on
P-660> sys trcl sw on
P-660> sys trcd brief
0 12367.680 MPOA00-R[0070] UDP 202.132.155.95:520->202.132.155.255:520
1 12370.980 MPOA00-T[0062] TCP 202.132.155.97:10261->192.31.7.130:80
P-660> sys trcd parse
---<0000>----------------------------------------------------------------
LAN Frame: MPOA00-RECV Size:1181/ 96 Time: 12387.260 sec
Frame Type: TCP 192.31.7.130:80->202.132.155.97:10270
Ethernet Header:
Destination MAC Addr = 00A0C5921312
Source MAC Addr = 00A0C5012345
Network Type = 0x0800 (TCP/IP)
IP Header:
IP Version = 4
Header Length = 20
Type of Service = 0x00 (0)
Total Length = 0x048B (1163)
Idetification = 0xB139 (45369)
Flags = 0x02
Fragment Offset = 0x00