Would A New Cable Modem Solve This?

HansXP

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Jun 1, 2001
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Right now I have some crappy RCA cable modem that my ISP has loaded to me. Lately, the service has been quitting on me at random times, and the fix seems to be resetting the cable modem. Would a new cable modem help with this, or is it most likely a problem at my ISP's end?
 
May 16, 2000
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Don't really know enough to answer this...what's quitting? Modem losing synch, just internet browsing, what about packet loss, anything in the ARP's, etc, etc.

Have you called tech support? If so what have they found?

Which model RCA is it? Older RCA's were a bit picky, but the newer DCM 215's, 225's and such are some of the BEST you can get, that's one reason AT&T @Home uses them (that and they're cheap in bulk).

It is possible you have a bad modem, but it's more likely there's an error in provisioning or something else. It needs extensive troubleshooting to be sure though.
 

HansXP

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Jun 1, 2001
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All I can tell is that I can't browse the Internet anymore. Absolutely nothing works. I can't really tell about packet loss because the cable modem isn't directly connected to a computer, it's connected to a wireless gateway.

I haven't tried calling tech support about this...I suppose I should, altho they don't seem like the brightest people around.

It's an RCA DCM215...I'm kind of surprised it's one of the best around, it looks like a cheap plastic toy.

What exactly is an error in provisioning? How much troubleshooting are we talking about?

Thanks for your help!
 
May 16, 2000
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The RCA's are very reliable, very easy to troubleshoot. Also they keep up constantly with improvements in the field (like newer DOCSIS standards).

Modems are provisioned on the network by MAC address and serial number...type on of those in wrong at tech support and you get a provisioning problem. Also sometimes for no known reasons the provisioning just goes bad and everything has to be wiped and started over.

Troubleshooting will be ugly, ugly, ugly...and unless you do it you'll never get anything changed from @Home. Yes tech support can be a bitch, but unfortunately they have rules they're stuck with before they can get you fixed (although I strongly recommend getting past tier 1 as early as possible and working with tier 2 (no offense tier 1, but tier 2 can do more).

Also (and I'm sorry, but this is an ABSOLUTE), there will be no troubleshooting until your setup is:

cable modem straight to one computer with no firewall or proxy software installed.

No gateway, no router, no switch, no zone alarm, no ics, no multiple nics, nothing. Troubleshooting is completely ineffective until you're in this configuration and tech support will not even talk to you until you are, seriusly they'll tell you to do it and call back.


They'll need to answer some basics - always been like this? what're the modem lights doing during an outage? any pattern to the outages? static or dynamic addressing? a bunch of other stuff. I could actually walk you through a lot of the troubleshooting, but I don't have access to @Home databases any more to check the provisioning, current IP, or repush accounts.
 

HansXP

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Jun 1, 2001
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First thing, I don't have @Home...I have Adelphia.



<< Modems are provisioned on the network by MAC address and serial number...type on of those in wrong at tech support and you get a provisioning problem. Also sometimes for no known reasons the provisioning just goes bad and everything has to be wiped and started over. >>



So if I asked them to reset this, do you think it would be effective? I assume I'd just need to provide the IP address of my cable modem, and they'd take care of the rest?
 

HansXP

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Jun 1, 2001
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<< Good Advice! >>



Yep, he's being really helpful...I'm very appreciative!
 
May 16, 2000
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Ahhhh, I see my error. Adelphia uses @Home, but apparantly they ALSO have their own service which is not related. Each company is different, very different. Any advice I offer from an @Home perspective could be entirely incorrect based on Adelphia's network choices.

However, yes you could try and have them check the provisioning...IP address is assigned at the office based on MAC address and Serial #.

Also note that Adelphia's tech support boundaries are probably different than @Homes so ignore all my previous advice regarding this.
 

HansXP

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Jun 1, 2001
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Alright, I'll call them up tommorow and ask if they can check my provisioning. Thanks a lot for all of your help.