Model :

Hardware Version :

Firmware Version :

ISP : [/COLOR]

Hi TP-LINK !

Iam using TL-MR3020 v1 and TL-MR3020 v3 with modem Sierra Wireless AirCard 320U

Modem detected succesfully, and I can ping other machine from PC attached router.
When using TL-MR3020 v1 system is going well, no RTO and modem IP can ping from outside, but now when using TL-MR3020 v3 i have several RTO and can't ping modem IP.

this is the diagram

Example : modem got IP from ISP 10.78.127.10

PC 1 ---->Mobile ISP ----> Sierra Modem and TP LINK

when using hardware v1, i can ping Sierra Modem with IP 10.78.127.10 but when using hardware v3, cannot.

here firmware on v3 device

Firmware : 1.1.0.0.9.1 Build 170907 Rel. 7338

please help.

Thankyou.

[h=2][/h]