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Comcast & Me
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So I'm apparently getting random time outs and address not found when I'm browsing the internet. Sometimes pages would load, but not all the time. I've been trying to ping and trace route to google.com but often get request timed out or destination unreachable. It doesn't look like the internet is disconnecting.
Is this because one of Comcast's hubs is fucked up or something? Or could it be a firewall issue?
Is this because one of Comcast's hubs is fucked up or something? Or could it be a firewall issue?
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Also, the snowstorms in the Midwest have disrupted some infrastructure, including Internet access for some. At least, according to various Internet outage websites.
http://www.elifulkerson.com/articles/router-vs-comcast.php
http://www.techcrunch.com/2008/12/28/the-tubes-are-clogged/
This is completely incorrect and going about the situation in the entirely wrong way. Docsis modems assign IP addresses based on the MAC address of the device it's plugged into. Well when you switch from one device to the other, the modem is looking for the old MAC so it gives an error and your router is unable to retrieve an IP address. One solution is to ghost your computer's MAC address, another solution is to hard reset your modem. Normally this is done by removed the power and coax cables for 30 seconds, then replacing coax followed by power cables, since you mention battery you probably have an EMTA or modem designed for both internet and phone, so in your case all you need to do is hit the reset button. It's a little pin hole button on the back of the modem, on the standard Arris modem it's beside the ethernet port. This has nothing to do with the cable companies this is just a security design placed by most/all DOCSIS modems.
Also your issue with routers is you have what is called a dynamic IP address. By this your IP address changes instead of staying the same all the time. This usually happens once every three months. Problem being the modem pops out a new IP address but your router is still trying to use an old one. Computers using Windows 2000, or above, don't have an issue with this as they automatically grab new IP addresses. Most of your cheaper routers though, ie. standard ones you would buy in a store for $40-$60 only look for new IP addresses when you reset them, but your higher end ones, work the same way computers built in the last decade work.
Basically what I'm trying to say is your issue isn't with Comcast it's from using a cheap router.
Technically cable systems are only a geographic monopoly when considering other cable operators as the competitor. You can also get tv from satellite or FIOS and you can get internet from DSL and FIOS.
I seriously hope you understand why it is a geographic monopoly.
Because Franchises like extra money.
I need to update the referenced page actually - its not that incorrect just incomplete.
Comcast is detecting Spanning Tree packets on the interface of the device you plug in. If your device is doing spanning tree (which isn't necessarily a hallmark of cheap device) it locks the port up and you can't get anything. My workaround beats this (although I didn't understand why at the time) by putting a non spanning tree device in place at the beginning (since it was only checking it once) and then swapping it once the Mac has been verified.
See also (I think) either the m0n0wall or wrt firmwares for the linksys devices that include a special "Disable Spanning Tree because Comcast is Stupid" mode.
This might not be something they are doing at all their locations, its probably highly dependent on the equipment at their office rather than a broad customer policy, and of course they deny it most of the time. I've gotten tons of horror stories re: Comcast customer support in my email for this that people have shared with me.
Edit: I don't actually think the problem I was addressing on that page has anything to do with the OP's problem - in my case Internet just wouldn't come up at all. It wouldn't have anything to do with intermittent timeouts. If you're doing a traceroute and its timing out somewhere a couple hops past your house - its not you its them.