ZyXEL Communications ZyWALL5UTM 4.0 User Manual

ZyWALL 5/35/70 Series User’s Guide

Chapter 46 System Information & Diagnosis

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46.4.3 Call-Triggering Packet

Call-Triggering Packet displays information about the packet that triggered a dial-out call in
an easy readable format. Equivalent information is available in menu 24.1 in hex format. An
example is shown next.

Figure 363 Call-Triggering Packet Example

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...

46.5 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.