Appendix C
Troubleshooting
Overview
This chapter covers some common problems that may be encountered while using the VPN800/8 F Firewall
andsomepossiblesolutionsfor them. If you follow thesuggested steps andthe VPN800/8 F Firewall
still does not functionproperly, contact your dealer for further advice.
General Problems
Problem : Can't connect to the Dual WAN VPN Firewall to configure it.
Solution : Check thefollowing:
TheLoad Balancer is properly installed, LAN connectionsare OK, andit ispowered ON.
Ensurethat your PC and theVPN800/8 F Firewall areon thesamenetwork segment. (If you
don't havearouter, this must bethecase.)
If yourPC isset to "Obtain an IP Addressautomatically" (DHCPclient), restart it.
If your PC uses aFixed (Static) IP address, ensure that it isusingan IPAddresswithin therange
192.168.1.2 to 192.168.1.254andthuscompatiblewith theVPN800/8 F Firewall default IP
Addressof 192.168.1.1.Also, theNetwork Mask should beset to 255.255.255.0to match theVPN
800/8 F Mask.
Internet Access
Problem : When I try to reach an URL or IP address I get a time out error.
Solution : A number of things could becausingthis. Try thefollowingtroubleshootingsteps.
Check if other PCs work. If they do, ensure that your PCs IP settings are correct. If using a Fixed (Static)
IP Address, check the Network Mask, Default gateway and DNS as well as the IP Address.
If the PCs are configured correctly, but still not working, check the VPN 800/8 F Firewall Router.
Ensure that it is connected and ON. Connect to it and check its settings. (If you can't connect to it,
check the LAN and power connections.)
If the VPN800/8 F Firewall isconfigured correctly, check yourInternet connection
(DSL/Cable modem etc) to see that it is working correctly.
Problem : Some applications do not run properly when using the VPN 1400/2 Dual WAN Firewall.
Solution :
TheVPN800/8 F Firewall processesthedatapassingthrough it, so it isnottransparent.
Use theSpecial Applications feature to allow the use of Internet applications which do not function correctly.
If this doesnot solve the problem use theDMZ function. This should work with most applications, but:
It is a security risk, since the firewall is disabled for theDMZ PC.
Only one (1) PC can use this feature.
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