I use the latest Firmware.
RUT950 (192.168.113.0/24)
SonicWall (192.168.41.0/24)
Fortigate (10.1.1.0)
I can build each of the two tunnels individually.
But if I build the SonicWall tunnel after the Fortigate tunnel, the SonicWall Log show me the error that the Pass Phase 2 did not work.