[BBLISA] comcast ... again

David Allan dave at dpallan.com
Mon Nov 1 12:04:27 EDT 2010



On Mon, 1 Nov 2010, Rob Taylor wrote:

> I'm on comcast and have used my own cable modem and router for years.
> When my modem died I took theirs, since they told me that they were
> going to charge me a monthly fee regardless of whether I rented their
> modem or had my own.

I'd check into that.  When I returned my modem, I explicitly confirmed 
that they would take the $5/mo. lease charge off my bill.  I won't know 
until next month if that's actually true, but two separate Comcast people 
confirmed it for me.

Dave

> I can see why providers may ship their own devices with some presets, so
> as to have less configurations to deal with when people call in, but 5
> ip's does seem really low.
>
> I mean, I know people who have
>
> Tivo
> VoIP
> Wii
> PS3
> roku box
> airport express
>
> And that's not including their pc's or phones.
>
> rgt
>
> On 11/1/2010 7:48 AM, Joe McDonagh wrote:
>> On 10/19/2010 10:42 PM, Edward Ned Harvey wrote:
>>>
>>> Because of recent conversations on this list about comcast versus
>>> world, I feel compelled to tell this story:
>>>
>>> I have a friend, who is very computer proficient.  He called me up to
>>> talk about an IP address conflict on his home network.  He told me he
>>> has comcast, and he has access to login to the comcast router, and the
>>> router is configured to give out IP addresses via DHCP, and the
>>> dynamic range is from 192.168.0.10 to 192.168.0.14.  So they only give
>>> you 5 IP addresses, and if you try to connect a 6th computer, you
>>> can't.  You get an IP conflict, and somebody gets booted off the network.
>>>
>>> I told him, "Well, why don't you just change the dynamic range?"  He
>>> said you can't.  He said he spent hours on the phone with comcast, and
>>> they told him "Call netgear."  I couldn't believe him.  So he
>>> initiated a screen sharing session, and showed me.  We considered
>>> flashing a nonstandard firmware onto the comcast router ... which
>>> seemed risky ...  I suggested maybe looking up the factory reset for
>>> the router.  He said he already did that, and it just resets to
>>> Comcast factory condition.
>>>
>>> He's got a home server, a printer, two laptops, and two desktops.  He
>>> can't use them all at the same time.  Nevermind, god forbid, he should
>>> have anything like vonage, or a PDA, or a couple of teenage children
>>> with computers.
>>>
>>> We concluded there's only one possible solution:  He needs to buy
>>> another router, and hook the outside of his new router to the inside
>>> of the comcast router.
>>>
>>> We concluded there is one, and precisely one, possible reason for
>>> comcast to be stingy with the 192.168.x.x IP addresses.  They're just
>>> being d**ks and there is no other possible explanation.
>>>
>>> Oh - Get this - While all his other computers and stuff were on, and
>>> his laptop had an IP conflict which was preventing him from starting
>>> his screen sharing session ...  I suggested that he just assign
>>> himself a static IP address, 192.168.0.15.  He did this.  He could
>>> ping the gateway.  But he could not ping outside the gateway.  So in
>>> addition to the dynamic range being pathetically small, they also
>>> apply a filter to prevent you from using any static IP outside of the
>>> dynamic range.  D**ks.
>>>
>>>
>>> _______________________________________________
>>> bblisa mailing list
>>> bblisa at bblisa.org
>>> http://www.bblisa.org/mailman/listinfo/bblisa
>> I've been using Comcast for years north of Boston and it simply doesn't
>> work like this where I live. You don't even have to use one bit of
>> Comcast equipment on your line; I've had my own motorola surfboard for
>> years, and put whatever I want behind it (dd-wrt, soekris, linksys).
>>
>> Frankly I don't even understand how they would accomplish this since
>> they don't control the internal LAN. They might control the firmware on
>> their router, but just replace it since it's probably garbage anyways.
>>
>>
>>
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>
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