[ale] OT: Comcast modem

[Jim Kinney]

the serial number is visible from the network side of the modem. It's used
to verify that you are allowed access to the network at all. Verify with
them that you are listed as having a customer-provided equipment account.

On Fri, Feb 15, 2013 at 11:16 AM, Edward Holcroft <eholcroft at mkainc.com>wrote:

> So today I got a call from Comcast, after all was set up and working fine:
> they want the "customer serial number" of the modem.
>
> I have two questions:
>
> 1. Is a "customer serial number" and a "serial number" the same thing? My
> new modem has a "serial number" right next to the MAC address, but nowhere
> does it say "customer serial number".
> 2. Why would they want or need any additional number? Clearly there's
> no technical reason to have any further information about my stuff, since
> everything works.
>
> When I see posts like this, I get a little nervous:
>
> http://forums.comcast.com/t5/Customer-Service/Comcast-stole-my-modem/td-p/1022493
>
> If Comcast does not have the serial number of my equipment, they'd be hard
> pressed to claim that it's theirs.
>
> ed
>
>
> On Fri, Feb 15, 2013 at 12:53 AM, JD <jdp at algoloma.com> wrote:
>
>> I had comcast residential service on dhcp for about 10 yrs. During that
>> time, my IP changed 4 times. Only once did that change cause any issues - I
>> was in China, ddclient automatically changed the IP for  the DNS entry, but
>> propagation took about a day to get to over there for some reason.  Now
>> when I go on travel, I reduce the TTL for DNS in case I need to take
>> drastic steps for any reason - even with static IPs.
>>
>> Setup whatever dynamic DNS service and forget about it. My Mom's
>> connection has a subdomain on dyndns that her router manages so I can reach
>> it easily with ssh.
>>
>> Edward Holcroft <eholcroft at mkainc.com> wrote:
>>
>> >Thanks all for the advice on this.
>> >
>> >I've just hooked my Motorola surfboard 6121. The process with Comcast
>> >was
>> >seamless (after they transferred me three times, that is).
>> >
>> >The SB is showing bonded downstream and upstream, so I guess my
>> >neighborhood has the newer infrastructure.
>> >
>> >I use an old Watchguard Firebox that I upgraded to pfSense as my main
>> >router, with an IPSec link to my office. I noticed that the VPN link to
>> >the
>> >office was still up after the changes, which seemed a little strange to
>> >me,
>> >'cos that would mean my IP never changed. Indeed, I still have the same
>> >IP
>> >address from Comcast even after switching modems. Does anyone know how
>> >often those Comcast IP's get renewed? I thought it was fairly
>> >regularly, at
>> >the very least when equipment gets replaced.
>>
>> --
>> Sent from a Linux system.
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>
>
>
> --
> Edward Holcroft
> Madsen Kneppers & Associates Inc.
> 3020 Holcomb Bridge Rd. NW
> Norcross, GA 30071
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>
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-- 
-- 
James P. Kinney III
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