192.168.x.x is reserved for internal use.
Are the dropouts repetitive, as in a pattern or predictable? How long does each last?
“Link stability is a little rough,” but Netflix works great, one user says.
arstechnica.com
I would suggest you start a thread at our sister site, Tom's Hardware, where there some very knowledgeable network experts who may be able to assist.
forums.tomshardware.com