CMTS/Public Wifi provisioning question

Scott Helms khelms at
Thu May 29 12:58:08 UTC 2014

>From talking to folks involved with and Comcast
support there is a separate service flow for the public SSID.  I have yet
to configure that in the lab, but it sounds like a good project :)

Scott Helms
Vice President of Technology
(678) 507-5000

On Thu, May 29, 2014 at 1:19 AM, Frank Bulk <frnkblk at> wrote:

> It's my understanding that the public Wi-Fi uses the same data flow as the
> subcriber's data flow.  I've seen nothing in the release notes for ARRIS or
> Moto that suggest one can tie an SSID to a specific service flow.
> Frank
> -----Original Message-----
> From: NANOG [mailto:nanog-bounces at] On Behalf Of Jay Ashworth
> Sent: Wednesday, May 28, 2014 9:01 AM
> Subject: CMTS/Public Wifi provisioning question
> I expect Frank Bulk to have an opinion on this, all others welcome.
> Hat tip to Bright House -- I've noticed lately that I don't have to go
> through their captive portal when using their public wifi hotspots (they
> participate in the CableWifi consortium, using WAPs built into their
> 6580 and other cablemodems, and offer a carrier-specific connection SSID
> as well).
> This has led me to a point of curiosity:
> If I'm the subscriber, and I've paid for 15 mb/s down, then my wired
> connection and my private wireless (if provisioned, and they charge
> $10/mo, so I'll do that myself, thanks) are using one ... DOCSIS path?
> back to the CMTS.
> I assume that cableco provided voice is on a separate path, and I'm sure
> the TV service is -- if it's even IP at all.
> But the question is: is that public wifi service *also* on a separate
> bandwidth-limited channel out of the cablemodem?
> Offline replies fine, unless you think it's of sufficiently general
> interest; I expect it's implementation dependent.
> Cheers,
> -- jra
> --
> Jay R. Ashworth                  Baylink
> jra at
> Designer                     The Things I Think                       RFC
> 2100
> Ashworth & Associates          2000 Land
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> St Petersburg FL USA      BCP38: Ask For It By Name!           +1 727 647
> 1274

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