Region : Iran

Model : TD-W8968

Hardware Version : V3

Firmware Version : 1.0.5 Build 140321 Rel.42949

ISP :

Hi
i have problem with TD-W8968 and connect Console to xbox live
xbox has recognize modem and in internet test,xbox can connect to modem but can't connect to internet.
i set static ip to xbox and do Tp-Link FAQ Solution (open port for xbox live) and add ports in virtual server but problem wasn't solve.
i search in google.com and found method to disable SPI firewall and doing that but problem don't solve.
then i disabled Upnp and Qos but problem didn't Solve
i also test with my old modem TP-LINK TD-8816 and xbox connect to internet easily.
this issue is only on xbox. my pc,phone and PS4 connect to modem and use Internet perfectly.
Then We can conclude problem is TD-W8968 setting.
please help me to solve problem with modem.
tnx