RUTX12 Dual SIM passthrough to external fortigate firewall

NETWORKING SOLUTIONS
1

Hi all,

I have a specific requirement that involves configuring my Teltonika RUTX12 to pass through connections from both SIM cards to external FortiGate device. My FortiGate device has two WAN ports, and I aim to utilize SIM card 1 as WAN1 and SIM card 2 as WAN2 in the FortiGate configuration.

I am seeking guidance on how to achieve this setup, effectively bypassing the RUTX12 and directly utilizing the FortiGate’s dual WAN capabilities. My ultimate goal is to have a seamless connection redundancy and load balancing mechanism between the two WANs provided by the SIM cards.

If anyone has experience with a similar setup or can provide step-by-step instructions or configuration guidelines, I would be extremely thankful for your assistance. Any tips, best practices, or caveats related to this configuration would also be greatly appreciated.

Thanks

2

Hello,

We have an article on specifically this use case
https://wiki.teltonika-networks.com/view/Splitting_Network_Traffic_Via_Multiple_Interfaces

3

HI Paulius,

Thanks. I went through this article before. this is not what I wanted. I need to do full sim pass through to Fortigate firewall.

The method in the link create additional NAT. I need to offload all L3 features to Fortigate and make the RUTX12 dumb modem

Thanks

4

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