Arris SB5100 SURFboard DOCSIS 2.0 Cable Modem (50120900100) "motorola 360 manual" Questions

...Motorola today and explained my problem and told him everything I had checked through troubleshooting. The fact that I could get reception through the USB cable port but not the Ethernet port, told ...

...360 was playing just fine but now it says i need to change my mtu to auto or 1364 how do i do this My MTU is at 1500 and I get the same message. I don't think it's up yet. microsoft gives assistance ...