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Re: Joint Techs Multicast Streams


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  • From: debbie fligor <>
  • To: Laura Kristoff <>
  • Cc: debbie fligor <>,
  • Subject: Re: Joint Techs Multicast Streams
  • Date: Mon, 2 Feb 2009 15:17:45 -0600

We've been trying to track down why it wasn't working here as well. we also have rpf failing for 128.194.0.40-44 and are only getting an (S,G) for the 207.75.165.77 source.

Our best unicast path for this is via NLR but the preferred multicast path is through I2.

we're looking at why at the moment.


On Feb 2, 2009, at 14:57, Laura Kristoff wrote:

On Mon, Feb 02, 2009 at 10:32:32AM -0600, Ben Fineman wrote:
Hi all,

We're currently sending multicast streams from Internet2/ESCC Joint
Techs Workshop in College Station, TX. There are three multicast
streams:

HD MPEG2 (25 Mbps)
233.45.17.248:4444

SD MPEG2 (6 Mbps)
233.45.17.245:4444

DVTS (SD) (30 Mbps)
233.45.17.247:8000


At Northwestern University we are not able to view it. We seem to be
joining a session sourced from 207.75.165.77 but aren't getting any
actual data from this session. We also have a msdp announcement
from one of our private peerings from a source of 128.194.0.44 ..
that was is being rejected because the RPF check fails. Is the latter
the correct source?

--Laura

--
Laura Kristoff
()
IT Telecommunications and Network Services
312-503-4094


-----
-debbie
Debbie Fligor, n9dn Network Engineer, CITES, Univ. of Il
email:

<http://www.uiuc.edu/ph/www/fligor>
"My turn." -River Tam








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