Fwd: home network and sonos audio with comcast

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Jul 28, 2006, 9:55:12 AM7/28/06
to So...@googlegroups.com
I'm reposting this in the Sonos Dev group in hopes that you folks have
some deeper knowledge of how the controller software searches for zone
players. With that information I can then deduce how to solve this

Thanks in advance...

---------- Forwarded message ----------
From: Capta...@gmail.com
Date: 27 Jul 2006 18:26:32 -0700
Subject: home network and sonos audio with comcast

I have been contracted to setup a whole house network that includes the
sonos music system. I was at the site yesterday and have all computers
functioning on / These all terminate at a
Linksys BEFSR41 4 port and is operating with factory defaults.

The sonos system consists of a series of zone players and controllers.
The players and controllers all interconnect themselves using an
preconfigured and locked encrypted 802.11 network. One of the players
must be wired to a PC on the ethernet or home network. This PC runs a
desktop controller piece of software that allows access to the music
library stored on the PC's drive. The connected player functions as a
bridge to the sonos wireless network so all other players and
controllers can independantly access the music library. Pretty slick
when it all works.

The problem is that if I detach the cable modem from the Linksys, the
PC controller software is able to see all of the players on the sonos
network. Once that cable modem is connected, access from the PC to the
sonos network is gone.

In troubleshooting this, I discovered that if the cable modem is
connected, and then I start the controller software, discovery of the
players will not occur HOWEVER if I powercycle the Linksys or reset it
from the www interface, all of the players will be immediately
discovered by the controller software.

So cable modem off, sonus all works.
Cable modem on, none of sonus works until router is cycled.

Is the cablemodem instructing either the PC's or the router to block
certain ports WITHIN the home network?

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