ZyWALL 2 Series User’s Guide

32.4.2 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.

IP Frame: ENET0-RECV Size:

44/

44 Time: 17:02:44.262

Frame Type:

 

 

IP Header:

=

4

IP Version

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:

=

0x0401 (1025)

Source Port

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:

 

00-FE 06 FB 20 C0 A8 01 01 E......... ....

0000: 45 00 00 2C 00 02 00

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...

 

 

Figure 32-8 Call-Triggering Packet Example

32.4.3 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.

System Information and Diagnosis

32-9