New
#21
I have given you enough to get to figuring this out. I have zero access to your equipment, same as zero access to your residence to personally show you. The problem can be easily resolved and there is enough information at smallnetbuilder.com and on here, along with Youtube videos to show you how to get into the administrative section of your Gateway.
All of us were in the same position when we first started to learn how to do this stuff. Over time from doing it, helping others, we have been able to utilize that knowledge, along with keeping up to date on any changes.