[ChrisMarshallNY]

#7 Check the plug: Question your assumptions, start at the beginning, and test the tool.

I have found that 90% of network problems, are bad cables.

That's not an exaggeration. Most IT folks I know, throw out ethernet cables immediately. They don't bother testing them. They just toss 'em in the trash, and break a new one out of the package.

[nickcw]

I prefer to cut the connectors off with savage vengeance before tossing the faulty cable ;-)