Rv50/55 ipsec vpn passthrough

[chambersj]

Hello All,
I’m trying to setup an IPSEC VPN through two Sierra Wireless gateways. Not using their IPSEC but the IPSEC on the Fortinets on both sides. I’ve done a bunch of Fortinet IPsec VPNs, but I’m unfamiliar with the Sierra Wireless devices.

Am I supposed to be using IP passthrough on the SW devices? Are they doing NAT by default? Do I need to setup on Policy routes on the SW devices?

Any advice you can give would be helpful.

[Vianney]

Hi @chambersj ,
Can you please share the topology among your devices and which the configurations do you would like to set up on the RVs then I might provide the small guide for it.
Thanks

[chambersj]

It’s just:

FORTIGATE
|
SW RV55
|
INTERNET
|
SW RV55
|
FORTIGATE

I’m forbidden by company policy from disclosing IP addresses in a public forum, but it’s different subnets on each Fortigate. Think 192.168.1.2 and 192.168.2.1.

I can get out to the internet on each side.

I’m just trying to setup IPsec VPN between the Fortigates, so I really just want that to pass through the Sierra Wireless devices.

Thanks.

[Vianney]

Hi @chambersj ,
Setting IP passthrough on RV50/55 will assign WAN IP directly to your host(It is Fortinet in your case ). Please try below the configuration

-Enable Passthrough

• Make sure Port forwarding/DMZ is disabled

Then, the connected device gets WAN IP of the GW

Please share if you have any questions. Help us tick “Solution” under my response if it is useful. It might be beneficial to someone getting same concern
Thanks

[chambersj]

Yes setting the devices to IP passthrough worked perfectly. Thank you for your help.