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You want to look at what Broadcom chipsets are in this DSL CPEs. Broadcom
is the king and leader in the DSL space.

We used the Comtrend 3120 as it has one of the latest Broadcom chipsets on
the market. I know you love to check FCC ID's so this should be helpful for
you: https://wikidevi.com/wiki/Broadcom#xDSL

The Comtrend 3120 uses the BCM63138. Dual core 1Ghz. It makes a difference
even if the mode is in pure bridge mode. There aren't many bonded modems
that don't have wifi built in as the chipset includes wifi.

On Sun, Jan 14, 2018 at 8:48 PM, Mike Hammett <nanog at ics-il.net> wrote:

> Any particular Zyxel models or just Zyxel in general perform better at
> longer lengths?
> ----- Original Message -----
> From: "Shawn L" <shawnl at up.net>
> To: "Mike Hammett" <nanog at ics-il.net>
> Cc: "NANOG" <nanog at nanog.org>
> Sent: Tuesday, January 9, 2018 8:22:07 AM
> Subject: RE: DSL CPE
> At $dayjob we use both Comtrend and Zyxel modems. Both have a 1-port modem
> that can be deployed in bridged mode. They both seem to work well with
> Calix gear. We've found the Zyxel modems tend to work a little better at
> longer loop lengths. But, for us at least, it's very easy to get custom
> firmware created and pre-deployed to comtrend modems at the factory /
> distributor. So we haven't completely decided between one brand and the
> other. We started looking at Zyxel for increased speed at longer loop
> lengths and better wifi support.
> There's a company a few exchanges over from us that has deployed the caix
> giga family and really likes it. We haven't deployed them yet because they
> only work on the Calix E7 series (E7-2 and E7-20) and we still have a lot
> of C7 series dslams in the network.
> Shawn
> -----Original Message-----
> From: "Mike Hammett" <nanog at ics-il.net>
> Sent: Tuesday, January 9, 2018 8:50am
> To: "NANOG" <nanog at nanog.org>
> Subject: DSL CPE
> After a few off-list responses (and a couple on) encouraging me to use
> NANOG, here we go...
> I've recently walked in to a voice\DSL CLEC that has basically been left
> to entropy for the last ten years. A lot of the core systems just work, but
> a lot of things aren't exactly managed the best. They run a Calix\Occam
> ADSL2+\VDSL infrastructure. For those of you doing DSL, what CPE are you
> using? I'm looking at one that's just a basic modem where I have a more
> sophisticated router (or ATA\voice gateway) behind it and then one more
> generic for residential settings with WiFi and all that jazz. We're kinda
> debating whether we go just dumb Wi-Fi or something more advanced\powerful.
> I've heard a lot of good about the Calix GigaFamily in that regard.
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
> Midwest-IX
> http://www.midwest-ix.com