SDWan and external access

Forum|Forum|3 years ago
March 26, 2023
2 replies
1079 views

Hi everyone,

My ISP provided me an ip pool, let's pretend it's 176.54.34.40/29.

I configured an SDWan with two interfaces. One for FTTH and one for LTE.

WAN1 : 176.54.34.41 WAN2: 176.54.34.42 VIP : 176.54.34.43

I would like to be able to have an external access to the site even when the FTTH is down and the LTE is running.

Do you know how can I do that ?

Thanks in advance for your help.

FortiGate

mattman0123

Visitor III

could you not allow HTTPS on both the interfaces?

gfleming

Staff

I don't see how that configuration works. You can't have two interfaces in the same subnet.

Also, does your ISP actually provide both your FTTH and LTE services? Seems like it given the IP block you put up there. But even so that IP block needs to be routed to two different interfaces in different subnet.

Either way if that's the case you need to talk to your ISP and make sure 176.54.34.43 gets routed dynamically to your LTE interface when FTTH is down. If they aren't doing that then you can't do anything about it.

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