Cant connect 2 freemode GTA4 BOGT via TENDA router

[JohanMar]

This is on xbox live.all the other modes connect perfectly except freemode-if im lucky 2/ 10 times. Im connecting with a 3G usb dongle. TENDA 3G622R+ router.performed port forwarding 88,80,53,3074.please help thankyou in advance

 

[JohanMar]

I've figured it out, via this forum. DO A NETWORK TEST EVERYTIME YOU SWITCH ON THE ROUTER..........VUALA!!!!! IT GOES INTO FREEMODE EACH TIME, EVERYTIME............DON'T KNOW WHY BUT IT WORKS.

CAN SOMEONE PERHAPS EXPLAIN WHY IS THIS?????