[ale] Comcast cable modem - incompatible?

[Jim Kinney]

DOCSIS or DOCSIS3? The 3 matters.
On Oct 5, 2010 7:49 AM, <jcpilman at gmail.com> wrote:
> A quick look at the first few google hits for DOCSIS says that all four
> versions are fully forward and backward compatible.
>
> On Sat, Oct 2, 2010 at 2:25 PM, Michael Trausch <mike at trausch.us> wrote:
>
>> Comcast is gradually migrating their entire network to do DOCSIS 3, as
>> well as IPv6. I'd suspect that one of the reasons that they want
>> newer modems on the network is the ability to acquire IPv6 addresses
>> on the Comcast network. Their trials are going well, from what I have
>> seen.
>>
>> I've been on DOCSIS 3 service since just before the start of 2010, and
>> I have to say that I am really liking it. I am not getting the 70Mbps
>> that I used to, as that was something that I got as part of the trial
>> that we were in when I was in Dunwoody, but I have 30Mbps. I could
>> get the faster one, but I'm not willing to pay that much extra. :-)
>>
>> In any case, I'd recommend getting a new DOCSIS 3 modem anyway. The
>> SB5100 series is getting pretty dated...
>>
>> --- Mike
>>
>> On Sat, Oct 2, 2010 at 1:43 PM, Kaerka Phillips <kbphillips80 at gmail.com>
>> wrote:
>> > I wonder if that is just the Atl market which Comcast is taking to
DOCSIS
>> > 3.0 - I use Comcast in the DC area and also have a SB5100 - a SB5101 in
>> my
>> > case.
>> >
>> > On Sat, Oct 2, 2010 at 1:12 PM, Paul Cartwright <ale at pcartwright.com>
>> wrote:
>> >>
>> >> On Sat October 2 2010, Lightner, Jeff wrote:
>> >> > I don’t think Comcast is just trying to get me to lease a new modem
as
>> >> > the
>> >> > letter says I can buy one at a retailer. I’ve already priced
>> >> > replacements
>> >> > that do DOCSIS 3.0 (e.g. SB6120) that are listed as compatible on
>> their
>> >> > site. However, without them being able to give me good information
>> I’m
>> >> > loathe to do that because they can’t tell me why the current modem
>> isn’t
>> >> > adequate or why there is a need for a change on Oct 12th in the
first
>> >> > place.
>> >>
>> >> wouldn't you want a modem that can do DOCSIS 3.0 ? it says up to 4
times
>> >> faster than DOCSIS 2.0...
>> >> I see one on Amazon for $80:
>> >>
>> >> Motorola SB6120 SURFboard DOCSIS 3.0 eXtreme Broadband Cable Modem by
>> >> Motorola
>> >> Buy new: $80.73
>> >>
>> >>
>>
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=SB6120&x=0&y=0
>> >>
>> >> --
>> >> Paul Cartwright
>> >> Registered Linux user # 367800
>> >> Registered Ubuntu User #12459
>> >> http://usdebtclock.org/
>> >>
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>> >
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