ZyXEL Communications ZyXEL ZyWALL 2WE - Manual (Page 243)

ZyWALL 2 and ZyWALL 2WE
System Information and Diagnosis 21-11
Figure 21-9 Call-Triggering Packet Example
21.5 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.
Follow the procedure below to get to Menu 24.4 - System Maintenance – Diagnostic.
Step 1. From the main menu, select option 24 to open Menu 24 - System Maintenance.
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
Press any key to continue...