Re: Looking for a Cable Modem

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Author: Thomas Scott
Date:  
To: Main PLUG discussion list
Subject: Re: Looking for a Cable Modem
Can I ask why you're buying two? Do you have two separate circuits through
Cox?

Be careful with the DPQ3212 - those get blacklisted easily. Even if buying
from a 3rd party that uses a mac address/serial # range outside of Cox's
internal supply, sometimes the provisioning system will flag them just by
the model number - which unlike other MAC/Serial combos *are always* recognized
as DPQ3212s and can't be spoofed. So if possible I'd shy away from them.
There are plenty of places that offer refurbed 3.0 8x4 or even 16x4 modems
for cheap if no one has one in PLUG. Depending on speeds you can use any of
the SB618[0-3] model range pretty reliably, but there's plenty of opinion
out there.

-Thomas

On Thu, Aug 8, 2019 at 3:32 AM David Schwartz <>
wrote:

> I’ve got a couple that work fine on the Cox 100 meg plan.
>
> I upgraded recently to their 300 meg plan. These modems work, but they
> only go up to ~150. I had to upgrade to a faster one to get the full 300
> megs.
>
> These are common Cisco DPQ3212 modems, no WiFi. (I have a separate router
> I use.)
>
> The serial#’s are clean, so you shouldn’t have any trouble with them.
>
> And I don’t know what’s “commerical” about this. People frequently ask
> about recycled equipment here. :-)
>
> -David Schwartz
>
> On Aug 7, 2019, at 11:25 PM, Dhruva Lokegaonkar <>
> wrote:
>
> Hello,
>
> I'm moving into a new apartment soon. So I'm gonna need two new modems. I
> don't want to buy the ones provided by COX. (Too expensive). I'm looking
> for two used DOCSIS 3.0 or 3.1 Modems. They don't need to have Wireless
> functionality, though then I'll need access points too. If someone has
> spare ones and are willing to sell, can they let me know. I'm coming to
> tomorrow meeting, since I'll be presenting, so I can but the modems then.
> I'm in no rush though, I need the modems by 15, which is when I'm moving
> in. Thanks you.
>
> P.S. I'm not sure if I need to tag the email with something when I post
> something about buying or selling. ([Commercial], maybe). If so, let me
> know, I'll take care next time.
>
> —
>
> Dhruva Lokegaonkar <>
> lokegaonkar.in <https://lokegaonkar.in
> <https://u2206659.ct.sendgrid.net/wf/click?upn=3cK2FVJjyu2N-2Bxco034fZiNKdNgIqtm3bLldF4DmiY0-3D_6lpMB7VLnN-2Fj9-2FEErg8-2F-2BMBpb5QxlByTgv2M3fbWD9ebvC-2BWrN3h7jImK8EVWYBeqwV33GF0KDN0Jm7MHTi7CIg4JslO3sgo7UH56tYz6gEcnG5vPCOFGQYlRH0dSm64fBusRqTR7IAHUL-2BZd6nKl7vSeoi3sKtyb6fUbI57PatyT8fVw9-2BZuD-2BKQ8FugxEs4IWKbwk2kJgzIMSj6r23GkbZUXH-2BZ7YkStHPWHz6VWY-3D>
> >
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