The router was fine at 1500, when I had my old motorola surfboard modem, I traded in for a newer model the Sb5120. And so far, no xbox. Dont know what else to do. Xbox customer support is a joke. Comcast is a joke. I dont know how to change the MTU setting on the modem, don't think thats the problem anyway its default is 1500.
Solved: C6300 Cannot change MTU size - NETGEAR Communities Modem: C6300. Firmware: V2.01.26. ISP: Spectrum . Problem: Happens when I go into NetGear Genie (via either IE 11 or MS Edge) > Setup > WAN Setup. When I modify the MTU Size (in bytes) and click Apply at the top of the WAN Setup screen I get: docsis 3.0 wifi modem - Best Buy Motorola - Dual-Band AC1900 Router with 24X8 DOCSIS 3.0 Cable Modem and Comcast Xfinity Voice Support - Black. Model: MT7711. SKU: 6335140. Rating, 4.7 out of 5 with 580 reviews (580) Price Match Guarantee. $199.99 Your price for this item is $199.99. Add to Cart.
Aug 25, 2008
If you receive the same MTU error, please try the next solution. Solution 6: Try a modem connection Try connecting your Xbox 360 console directly to your modem instead of through a router or gateway. Here’s how: Plug one end of a network cable into the back of your console and the other end into your modem. Test your Xbox LIVE connection:
Ultra Fast DOCSIS 3.1 Cable Modem This Cable Modem supports DOCSIS 3.1, the only cable modem standard that can deliver speeds over 1 Gigabit per second (Gbps). The MB8600 also has 32x8 support for the fastest possible speeds using the older DOCSIS 3.0 standard.
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