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<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2>Hi HTH,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2>Our carrier is AT&T. To clarify for me, you asked
AT&T to carry multicasts over MPLS, and in order to do that you had to
answer a number of question for them (filled out a form) they did their config
on their side, and then you were clear to do your config, and it worked pretty
easily.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2>Thanks</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2>jeff</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=905072616-09112010><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
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<DIV dir=ltr align=left><FONT face=Tahoma size=2><B>From:</B>
mthompson729@gmail.com [mailto:mthompson729@gmail.com] <BR><B>Sent:</B> Tuesday,
November 09, 2010 10:16 AM<BR><B>To:</B> Buchanan, James<BR><B>Cc:</B> Jeff
Ruttman; Cisco VOIP<BR><B>Subject:</B> Re: Re: [cisco-voip] Any Informacast
Users? with MPLS?<BR></FONT><BR></DIV>
<DIV></DIV>James, <BR>Not necessarily. IP in GRE is a very good solution, but
there are carriers that will support Multicast over MPLS. We just turned up
Informacast / Relicast for a customer within the last few months. The carrier is
AT&T and they definitely support it. There are a number of questions to
answer, is it Sparse or Dense, what your ip / port ranges will be, etc. Once we
completed that form, about 3 weeks later we were cleared to do our
configuration. <BR><BR>I was anticipating a ton of troubleshooting, but didn't
run into any issues. <BR><BR>That being said, this was the first and only
Multicast over MPLS implementation that I've done. <BR><BR>HTH <BR><BR>On Nov 9,
2010 11:04am, "Buchanan, James" <jbuchanan@presidio.com> wrote: <BR>>
The MPLS provider does not support multicast routing across the WAN. I
have worked around this in the past by using a GRE tunnel. Basically, you create
a multicast route (ip mroute) to route the multicast traffic through the GRE
tunnel, which is essentially a simulated layer 2 connection through the MPLS
network. It is possible Singlewire has a relay of some sort for this
situation as well that would allow you to avoid a GRE tunnel. James
Buchanan | Technology Manager, UC | South Region | Presidio Networked Solutions
<BR>> 12 Cadillac Dr, Suite 130, Brentwood, TN 37027 | jbuchanan@presidio.com
<BR>> D: 615-866-5729 | F: 615-866-5781 | www.presidio.com CCIE #25863, Voice
<BR>> <BR>> <BR>> From: cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Jeff Ruttman <BR>>
Sent: Tuesday, November 09, 2010 9:12 AM <BR>> To: Cisco VOIP <BR>>
Subject: [cisco-voip] Any Informacast Users? with MPLS? <BR>> <BR>>
Greetings, <BR>> <BR>> We're changing out some point to point
circuits with MPLS circuits. The audio on a page via Informacast no
longer makes it through. The phones beep, so the connection is made, but
audio is silent. The point to point circuits are working just fine.
<BR>> <BR>> Long shot, I know, but any ideas out there? <BR>>
<BR>> Thanks <BR>> jeff <BR>> <BR>> <BR>></BODY></HTML>