RUT901 IPSEC to FW

Hi There,

i have issue with the IPSEC. It is up but cant reach the remote Local Subnet.
AM using IKEV2.
I’m new to Teltonika router.

RUT901 (version: RUT9M_R_00.07.07.1)
Public: 175.140..69
Local Subnet: 10.16.
.32/27

3rd Party FW
Public: 175.139.*.9
Local Subnet: 10.10.0.0/16; 10.11.0.0/16

RUT901 is sitting behind an ISP router