[ale] Serious: Comcast Business vs Residential

Justin Goldberg justgold79 at gmail.com
Thu Nov 12 14:03:55 EST 2015


Errr, I meant that the SMC brand cable modems support RADIUS.

Justin
On Nov 12, 2015 2:02 PM, "Justin Goldberg" <justgold79 at gmail.com> wrote:

> From my experience and after reading various posts on the comcast forum,
> you can actually use your own modem with a comcast static IP, but it still
> have to be an smc model on their approved list. A tech once mentioned that
> those models support radius. A different model _might_ give you more
> bridging options, where you can disable dhcp and Nat and enable DMZ. You'll
> never be able to do a l2 or l3 VPN; afaik that mode only forwards TCP and
> UDP, so no GRE. Openvpn, maybe.
>
> But it's always a hate or miss situation since they'll download new
> firmware to your modem and you have to reach someone who is not reading
> from a script and also is willing to do this.
>
> Justin
> On Nov 12, 2015 11:46 AM, "Horkan Smith" <ale at horkan.net> wrote:
>
>> My understanding:
>>
>> If you need static IPs, yes, you need their modem.
>>
>> If you don't need static IPs, no, you don't need their modem.
>>
>> later!
>>    horkan
>>
>> On Thu, Nov 12, 2015 at 11:33:29AM -0500, Chris Fowler wrote:
>> > How committed am I to their cable modem? I'm working through issues at
>> our office and their modem provides NO features for me. It is a SMC model
>> with no logging. I simply can only see the current status. No static
>> routes, etc.
>> >
>> > Can I buy my own modem for their business service?
>> >
>> > > From: "Alex Carver" <agcarver+ale at acarver.net>
>> > > To: ale at ale.org
>> > > Sent: Wednesday, November 11, 2015 6:32:53 PM
>> > > Subject: Re: [ale] Serious: Comcast Business vs Residential
>> >
>> > > On 2015-11-11 15:27, Chris Fowler wrote:
>> > >> I do not think their business service is VoIP. At our office we have
>> 4 phones.
>> > >> They all go back to a box that connects to their cable service. I
>> have a
>> > > > working fax machine on a line and I am sure I've used a modem there
>> on a line.
>> >
>> > > That box is an ATA to provide you an analog line on one side that
>> > > connects to their VoIP system on the other side. You can do fax over
>> > > VoIP with an ATA.
>> >
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>>
>> --
>> Horkan Smith
>> 678-777-3263 cell, ale at horkan.net
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