How to configure site to site VPN between ZLD and uOS using route-based?

Zyxel_Kevin
Zyxel_Kevin Posts: 888  Zyxel Employee
Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 500 Comments
edited November 13 in VPN

This example shows how to use the VPN Setup Wizard to create a site-to-site VPN with the Peer gateway is ZLD device using route-based VPN.

The example instructs how to configure the VPN tunnel between each site. When the VPN tunnel is configured, each site can be accessed securely.

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Set up IPSec VPN Tunnel for uOS

VPN > IPSec VPN > Site to Site VPN > Configuration > Add to access configuration page

VPN > IPSec VPN > Site to Site VPN > Scenario

In the scenario step, type the VPN name used to identify this VPN connection. Select the type to the Site-to-Site. Click Next.

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VPN > IPSec VPN > Site to Site VPN > Scenario > Network

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Configure My Address and Peer Gateway Address. Click Next.

VPN > IPSec VPN > Site to Site VPN > Scenario > Network > Authentication

Type a secure Pre-Shared Key. Click Next

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VPN > IPSec VPN > Site to Site VPN > Scenario > Network > Authentication > Policy & Routing

Set "Route-Based" Type and define the Remote Subnet. And change the VTI address as you want.

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VPN > IPSec VPN > Site to Site VPN > Scenario > Network > Authentication > Policy & Routing > Summary

The screen provides a summary of the VPN tunnel. You can Edit it if you want to modify.

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Network > Routing > Static Route

The routing will be added automatically

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Set up IPSec VPN Tunnel for ZLD

VPN > IPSec VPN > VPN Gateway

Select the WAN interface and type the Peer Gateway Address.

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Type Pre-shared Key. The default proposal which created by wizard is
“Encryption:AES128, Authentication:SHA1, Key Group:DH2”. Those are the same as uOS.

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VPN > IPSec VPN > VPN Connection

Select VPN Gateway as "VPN Tunnel Interface" and select the correct phase1 profile

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The default proposal which created by wizard is
“Encryption:AES128, Authentication:SHA1, Key Group:DH2”. Those are the same as uOS.

Network > Interface > VTI

Create VTI interface and assign vpn-rule of route based

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Network > Routing > Static Route

Adding static route of peer subnet

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Test IPSec VPN Tunnel

Go to VPN Status > IPSec VPN

Verify the IPSec VPN status

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PC to Brance Office > Win 11 > cmd > ping 192.168.2.34

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