June 23, 2024

Support | How to Configure Site-to-Site VPN

Published June 12, 2023, 9:20 a.m. by Naomi Charles

In this video, Peplink demonstrates how you can easily set up a new site-to-site vpn connection.

Designed for Multi-WAN, Peplink’s site-to-site vpn established concurrent vpn tunnels on each WAN connection to give you a bonded bandwidth and instant failover.

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In this video you will learn how to easily set up a new site to site vpn connection.

Start, by clicking on “Network” and then on “Site-to-site-vpn”

Now, click on “Add Vpn connection”.

Here, you will create your new site to site vpn connection.

Lets begin!

Start, by choosing a name for you new VPN site to site connection.

For example – If your company headquarters is in New York and you are connecting to your

LA branch you can call it “NY to LA” or choose a name that will be easy to differentiate

from your other connections.

By Clicking on “Active” you will activate your connection.

For security purposes, the “Encryption” option will be set to active, but if you prefer

to de-activate it, click on the “off” button

Now, enter your peer’s serial number.

Doing this will establish the connection between your peplink router and your peer’s router.

For example- if you are connecting to your LA office, you will need the LA site’s serial

number to establish the connection between both sites.

In addition to the Peer serial number, you could create a “Pre shared key” to add

an additional security measure to your connection.

In order for a “pre shared key” to work, both sides have to enter the password set

on either side to establish a connection successfully.

Now, enter the “Peer IP Address” or the “Hostname” of the site you are connecting


Inputting this information on one side is enough to establish the connection between

both sides so you can skip this step when setting up your other device.

To complete, click on “Save”.

You have just completed setting up your peplink site to site VPN, it really is that easy!

Now, Click on “Apply Settings changes” to go back and see what changed in the main


As you can see, a new connection has been created under the “Site-to-Site” VPN section

on the dashboard.

The VPN connection is now connected and has changed from “connecting” to “connected”


And, the small green lock states that the connection is currently active.

You can also easily fine-tune your VPN connection.

First, let’s go back to the VPN profile by clicking on “Network” and then on “Site-to-site-vpn”.

Here, you will be able to optimize your site to site VPN connections by prioritizing the

WAN connection it uses.

Now, Let’s discover the different ways you can set the priority levels of your WAN connections

For example –

If you set Wan 1 and Wan 2 to priority 1, they will both work simultaneously to maintain

optimal load balance at the highest priority.

If you set WAN 3 to priority 2, it will start working automatically if WAN 1 and WAN 2 stop


And finally if you set WAN 4 to “off” it won’t work at all for the VPN connection.

When you are happy with the settings, click on “Save”.

After setting up your new connection, the interface will return to the Site-To-Site

VPN page.

Peplink Site-to-Site VPN can failover to another connection if a connection fails.

Let’s see how you can adjust the responsiveness of the Link Failover Detection.

Under the “link failover detection” tab, you will be able to choose pre-set intervals

for regular health and maintenance checks that will be conducted automatically.

These health checks will make sure that all of your sites are connected properly.

Just bear in mind that choosing a higher frequency may affect the speed of your connection.

We recommend the default of 15 seconds, which is the default setting, but its entirely up

to you.

To complete, click on “Save” and then on “Apply Settings changes”.

Now, we are back to the dashboard.

Access all your VPN connection details by clicking on “Status”.

Here, you will get access to your: IP name and connections.

And finally, Click on the arrow to find out which tunnel is available for bonding.


You have configured your Site-to-Site VPN successfully.

Thanks for watching, for more information visit www.peplink.com


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