Remote OVPN Client access devices in Remote LAN over OpenVPN Site2Site link?

[mpcjames]

Hello, I’m wondering if anyone can shed any light on the below issue, please….

I am having troubles trying to enable clients (who are remotely connected via OpenVPN client to Site A), to be able to access devices on Site B via an established Site2Site OpenVPN.

Here’s my current setup:

Site A (HQ)
Pfsense LAN IP 10.10.1.1/24
OpenVPN Server setup in pfsense with tunnel network as 10.0.8.0/24
Remote Networks set in OpenVPN server config as 10.10.2.0/24

Site B (BRANCH)
Pfsense LAN IP 10.10.2.1/24
OpenVPN Client setup in pfsense with tunnel network as 10.0.8.0/24
Remote Networks set in OpenVPN server config as 10.10.1.0/24

The above setup works fine, and devices situated in either site can access all devices on the opposite site through the VPN - perfect.

At Site A, I also have a second OpenVPN Server setup in pfsense. This is for remote staff with username/password etc.
It has a tunnel network of 10.0.7.0/24.
And Remote Networks set in OpenVPN server config as 10.10.1.0/24.

Windows clients are able to use the OpenVPN client to connect to Site A, and access all resources on the Site A LAN (10.10.1.0/24) - perfect.

However, I now have a requirement that remote staff need to be able to access devices on Site B, whilst they are connected to the Site A VPN.

I’m struggling to get the routing correct and wondered if anyone had any ideas, please?

Currently from a Client connected over the VPN to Site A, I can ping any device in Site A LAN, and I can ping the tunnel interface IP (10.0.7.1). I am also able to ping the other OpenVPN tunnel interface, for the Site2Site VPN, on IP 10.0.8.1 , however I am not able to ping the remote side of that Site2Site link (10.0.8.2). Nor can I ping any devices on the Site B subnet (10.10.2.1/24).

[johnpoz]

@mpcjames well you need to make sure in this 2nd instance that you list the networks you need to get to..

This would be the site b network 10.0.2/24 and on site B you would have to setup to get to the other instance tunnel network 10.0.7/24 you need to go down the vpn connection.

[mpcjames]

@johnpoz
That's great thank you, I was just missing the return tunnel network of 10.0.7.0/24 on Site B.
All working

[johnpoz]

@mpcjames glad I could help.