ZyXEL Communications ZyXEL ZyWALL 2WG - Manual (Page 582)

Chapter 41 System Information & Diagnosis
ZyWALL 2WG User’s Guide
582
Figure 370 Call-Triggering Packet Example
41.5 Diagnostic
The diagnostic facility allows you to test the different aspects of your ZyWALL to determine
if it is working properly. Menu 24.4 allows you to choose among various types of diagnostic
tests to evaluate your system, as shown next. Not all fields are available on all models.
Follow the procedure below to get to Menu 24.4 - System Maintenance - Diagnostic.
1 From the main menu, select option 24 to open Menu 24 - System Maintenance.
2 From this menu, select option 4. Diagnostic. This will open Menu 24.4 - System
Maintenance - Diagnostic.
IP Frame: ENET0-RECV Size: 44/ 44 Time: 17:02:44.262
Frame Type:
IP Header:
IP Version = 4
Header Length = 20
Type of Service = 0x00 (0)
Total Length = 0x002C (44)
Identification = 0x0002 (2)
Flags = 0x00
Fragment Offset = 0x00
Time to Live = 0xFE (254)
Protocol = 0x06 (TCP)
Header Checksum = 0xFB20 (64288)
Source IP = 0xC0A80101 (192.168.1.1)
Destination IP = 0x00000000 (0.0.0.0)
TCP Header:
Source Port = 0x0401 (1025)
Destination Port = 0x000D (13)
Sequence Number = 0x05B8D000 (95997952)
Ack Number = 0x00000000 (0)
Header Length = 24
Flags = 0x02 (....S.)
Window Size = 0x2000 (8192)
Checksum = 0xE06A (57450)
Urgent Ptr = 0x0000 (0)
Options =
0000: 02 04 02 00
RAW DATA:
0000: 45 00 00 2C 00 02 00 00-FE 06 FB 20 C0 A8 01 01 E......... ....
0010: 00 00 00 00 04 01 00 0D-05 B8 D0 00 00 00 00 00
................
0020: 60 02 20 00 E0 6A 00 00-02 04 02 00
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