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Frequently Asked Questions
MB7621 24x8 Cable Modem
MB7621: Set-up & Installation: Login Password
Setting up Your Cable Modem
How to backup your modem configuration
How do I configure my Motorola Cable Gateway for gaming using UPnP? (Xbox, PlayStation, PC, Nintendo, etc...)
How do I Put My Cable Modem/Router (also called Cable Gateway) into Bridge Mode, So I Can Connect Another Router behind It?
How can I make my Apple Airport (Base Station, Extreme, Express or Time Capsule) work with my new cable modem?
Why won't my router connect through my Cable Modem?
Why Can’t I Change the LAN IP Address of the Router to Certain Specific IP Addresses (MG7310, MG7315, MG7540 and MG7550)?
How do I set static DNS in the Motorola wireless modem router? MG7310/MG7315/MG7540/MG7550
Setting up your Cable Modem to connect to the Internet
Setup and activation for Comcast XFINITY
Where can I find the CM MAC and Serial Number?
Where can I find the User Name, Password, and IP Address to log into my modem to make changes?
How do I update the modem firmware?
IMPROVE MODEM PERFORMANCE - WIRED
How to set modem to factory settings
MB8600 - Not able to login to modem on the network
ERR_CONNECTION_TIMED_OUT (error when trying to use Google sites)
I keep getting disconnected and kicked out from Xbox Live
Checking your Modem/Router Event Log
5G not showing up
MG7310 wireless speed is slow
FAQ: Internet connection fails to recover after an outage (either of power, or of cable service). What should you do?
Cable Modem Troubleshooting Tips
No Internet connection after a sudden outage using Motorola Cable Modem MB7220 and MB7420 connected to separate router
Resetting the Cable Modem/Router to factory defaults
Defective Product: How to request a Warranty Replacement
How do I set-up Port Forwarding on my Motorola Cable Modem Gateway?
How to check what Firmware version your modem or router is running
VPNFilter Malware Info (aka Russian Hack)
How to login to modem/router
What is an SSID?
Connecting Samsung smart TV to ethernet or wifi?
What is The Difference Between IPv6 and IPv4
What is my IP address
What is IPv6?
How do I disable SIP ALG for my VoIP service?
Do the modems come along with an Ethernet cable and coaxial cord?
Do Motorola LLC Cable Modem Routers support telephone service from the cable provider?
Are Motorola Cable Modem Routers compatible with MOCA technology?
What if my Motorola Cable Modem/Router isn't approved by my Cable Provider or for my Service Level
Why are some of my Ethernet lights amber and why are some green?
How to enable UPnP for NAT restriction, for gaming consoles
Why are my Upstream and Downstream lights green and then blue?
Changing the modem Login User Name and Password
Beware of used and Refurbished Cable Modems and Cable Modem/Routers!