L2TP VPN behind a router
Gayanll
Posts: 3 
Freshman Member
Freshman Member
Hi guys, im totally new to VPN thing.
I want to connect to my home network from my laptop (win7) when im abroad. my home network can be illustrated like below picture.
I simply want to access my home NAS (12.168.1.99) from my lap when im outside (i have ddns account
). Can somebody please explain the procedure (or a tutorial if possible).
So far I have port forward all required ports for L2TP (UDP/TCP) from F660 to Zyxel. What ever Youtube tutorials i follow i still get error in windows VPN connection saying "security layer encountered a processing error during initial negotiation with remote computer"
Please help, Thanks
#Biz_Security_Nov_2018
I want to connect to my home network from my laptop (win7) when im abroad. my home network can be illustrated like below picture.
I simply want to access my home NAS (12.168.1.99) from my lap when im outside (i have ddns account
). Can somebody please explain the procedure (or a tutorial if possible).So far I have port forward all required ports for L2TP (UDP/TCP) from F660 to Zyxel. What ever Youtube tutorials i follow i still get error in windows VPN connection saying "security layer encountered a processing error during initial negotiation with remote computer"
Please help, Thanks
#Biz_Security_Nov_2018
0
All Replies
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nobody?0
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Hi @Gayanll ,The USG20-VPN is placed behind NAT.You can follow the guide in the FAQ article to add a NAT rule for L2TP service(IKE, NATT, L2TP-UDP) on the router and allow L2TP service.You may also need to create a registry key on Windows client.To access the NAS, you need configure NAT and firewall on not only USG20-VPN but also the ZTE F660 router.Here is a similar article for your reference.
See how you've made an impact in Zyxel Community this year!
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i will follow and reply. thanks0
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