How to avoid unexpected routing issues when enabling both IPsec VPN and L2TP VPN simultaneously?

Zyxel_Jeff
Zyxel_Jeff Posts: 1,238  Zyxel Employee
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Scenario :

The user may need to enable both IPsec VPN and L2TP VPN remote settings simultaneously. How can unexpected routing issues be avoided when enabling both IPsec VPN and L2TP VPN at the same time?

Answer :

STEP1. Navigate to Site-wide > Configure > Firewall > Remote access VPN

STEP2.Please ensure their Client VPN subnet range is different. For instance, set the IPSec VPN server's Client VPN subnet to 192.168.110.0/24 and L2TP VPN server's

Client VPN subnet to 192.168.111.0/24, as shown below:


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