ZyXEL Communications ZyWALL Troubleshooting Manual page 12

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No traffic flow through client-to-site IPSec VPN tunnel
(RoadWarrior)
If you have successfully established a VPN connection to the ZyWALL
but cannot get traffic across, please try the following:
 Login to the ZyWALL's WebGUI and disable the "Use Policy Route
to control dynamic IPSec rules" in the VPN menu. Configuration
 VPN  IPSec VPN  VPN Connection
 Disable the ZyWALL routers Firewall.
Configuration  Firewall
Policy  Policy Control
 Disable the firewall on the remote host (computer/device) to
make sure it is not blocking the request.
Windows:
box. You can access this by pressing the Windows + R keys on the
keyboard.
To disable the Windows firewall, open a RUN dialog
OR Configuration  Security
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