Do you have a router downstream of the modem? If you do:
1) Reboot it if you haven't already. I've had a couple of occasions where the router got fouled up and needed a reboot. The problem was manifest by slow data transfer rate beyond the router.
2) Does the router have a ping utility? If so, the router should show you what the Mediacom gateway address and nameserver addresses are. Ping those and report back what the ping times are, and if there is any packet loss during ping.
You can also ping from a PC command prompt. If using Windows, use ping -t xxx.xxx.xxx.xxx to get more than five pings. Be sure to ping the Mediacom addresses, and not those of your local network.
Time Warner likes to blame your local network for all problems, so for quick trouble shooting, I will plug the modem directly into a PC and do a little testing just to be sure that there is really nothing wrong with my local network.
Last edited by jbhtexas; 10-25-2012 at 12:32 PM.
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