User guide

IPsec VPN Router Configuration

Configuration Guide

4 Tools in case of trouble

Configuring an IPsec VPN tunnel can be a hard task. One missing parameter can prevent a VPN connection

from being established. Some tools are available to find source of troubles during a VPN establishment.

4.1 A good network analyser: Wireshark

Wireshark is a free software that can be used for packet and traffic analysis. It shows IP or TCP packets

received on a network card. This tool is available on website www.wireshark.org. It can be used to follow

protocol exchange between two devices. For installation and use details, read its specific documentation

(www.wireshark.org/docs/).