Zyxel ZyWALL USG 20W [154/185] Zywall usg support notes

Zyxel ZyWALL USG 2000 [154/185] Zywall usg support notes
ZyWALL USG Support Notes
154
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ZyWALL USG GUI > Configuration > Policy > Route > Policy Route and check if
there is a rule that direct the traffic to VPN tunnel. The VPN tunnel candidates must
be preconfigured in VPN connection menu.
The traffic from local subnet can send to VPN remote subnet and get reply
successfully after configured VPN tunnel and policy route.
G04. VPN connections are dialed successfully, and the policy
route is set. But the traffic is lost or there is no response from
remote site.
There are two possibilities. One is that the traffic is blocked by firewall, Anti-Virus,
Anti-Spam, IDP…etc. Please check the configuration of these services or search the
related dropped logs. Another option is that the remote gateway doesn't know how to
route the replied traffic. Please check the route rules of the remote gateway.
G05. Why don’t the Inbound/Outbound traffic NAT in VPN
work?
Check the modified traffic for whether the outbound traffic SNAT still matches the
VPN connection policy. If the traffic doesn't match the policy and the policy
enforcement is active, it will be dropped by the VPN. For Inbound traffic
SNAT/DNAT, check if there is a directly connected subnet or a route rule to the
destination.

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