ZyXEL Communications P-2000W V2 - Manual (Page 12)

P2000W V2 Troubleshooting Guide
All contents copyright (c) 2005 ZyXEL Communications Corporation.
9. The support tells me, I may have an interoperability issue
with my ITSP call server. Packet trace is requested by
support to analyze the problem. How should I setup the
environment and how do I trace the packet?
In such as you will need to setup your environment similar as scenario A & B
to perform packet trace. Make a failed trace and make a successful trace by
setting up scenario A & B and send it to support for problem analysis.
To perform packet trace the equipment required is as follow
1. PC installed with packet sniffer such "Ethereal" to make the packet
capture.
Ethereal is a freeware and can be downloaded from
www.ethereal.com to perform the packet capturing.
2. Hub and Ethernet cable.
3. Follow the scenario below to capture a working and a none-working trace
with Ethereal and send it to support.
Scenario A
1. Connect the hub between the P2000W V2 and the front end NAT router
with Ethernet cable.
2. Connect the PC with packet sniffer installed to the hub.