![]() ![]() We can usually quickly spot the cause for a problem and provide advice on how to resolve it.Īs there are several factors unrelated to VPN Tracker or the VPN gateway that can influence connectivity (e.g. Screenshots of the VPN gateway configuration.A Technical Support Report from VPN Tracker ("Help" > "Generate Technical Support Report").A problem description and information on what you've already tried.In many cases, connection problems are related to misconfiguration of either VPN Tracker or the VPN gateway. If you experience specific configuration problems, our technical engineers are happy to provide support for setting up VPN connections with VPN Tracker. You can find a list of devices and configuration guides here:įor a general introduction to computer networking, VPNs and IPsec, there are several excellent introductions available online or as books, see for example here. These resources should provide all you need to establish a VPN tunnel successfully. The software is distributed with device profiles and configuration guides for many popular IPSec VPN gateways. VPN Tracker is aimed at making a complex technical matter like Virtual Private Networks (VPN) simple and user-friendly. If the pool is too small and all addresses are in use or reserved, it is expected behavior that the SonicWALL doesn’t respond. Make sure you have sufficient addresses left in the address pool. ![]() Rebooting will fix that behavior at once. SonicWALLs are pretty stable but we’ve seen it a couple of times that the DHCP server is acting strange, as if all IP addresses are reserved, yet that’s not what you will see in the web interface. The DHCP protocol is designed in such a way that there can be multiple DHCP servers per network and only those who think they can fulfill a request will also respond to it, all others will stay silent (there is no “negative” response for discover requests). The SonicWALL doesn’t want to reply to your DHCP request.Please see this FAQ entry for more details. Make sure that you have no software installed that blocks VPN traffic in general.This will let VPN Tracker automatically detect the best settings for your internet connection. Re-run the VPN Tracker Connection Checker from the "Tools" menu.That would be the case if there is an issue with the VPN tunnel itself not working properly. The SonicWALL never received your DHCP request (DHCP-Discover).Once the VPN tunnel itself has already been established, the VPN client must perform a DHCP exchange to obtain an IP address and use this IP address for all traffic sent over the VPN tunnel. SonicWALLs distribute IP addresses using the DHCP protocol. ![]()
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