All things related to multicast

[Brian Mollo <>]

Ernie,

Currently your campus also does not have multicast enabled to the NoX. 
They will need to make a request to have that turned up as well.

-bri

On 7/12/13 12:20 PM, Ernie Gillis wrote:
> Apologies for the super basic question, but does my network need
> multicast enabled to watch the multicast stream?
> My campus does not have it enabled, but I thought that was only meaning
> we couldn't output a multicast session. Not sure if this is why I cannot
> seem to access any of the streams to test.
> Thanks!
> Ernie
>
>
>
> On Fri, Jul 12, 2013 at 5:32 AM, 
> <
> <mailto:>>
>  wrote:
>
>     Hi,
>
>      > We are still trying to receive streams and can not.
>      > I can VLC stream my own multicast across our network.
>      > I may not have the VLC settings correct for the stream, I read about
>      > an MTU issue and Vbricks.
>      > We also have a VBRICK set up to receive 233.25.229.1.  It sees
>      > 140.90.76.26  as the source but is not receiving video.
>      > The VBRICK is also transmitting 233.7.178.5 port 5004.
>      >
>      > Is anyone seeing the Okeanos stream?
>      > Can you send me a packet capture showing the TTL of the video
>     packets?
>      > Can anyone see my Multicast on 233.7.178.5 port 5004?
>
>     nope. more protocol details please
>
>      > >udp://@233.25.229.1:5501 <http://233.25.229.1:5501>
>
>     works.
>
>      > >udp://@233.25.229.2:5501 <http://233.25.229.2:5501>
>
>     black screen
>
>      > >udp://@233.25.229.3:5501 <http://233.25.229.3:5501>
>
>     works
>
>      > >udp://@233.56.12.5:5501 <http://233.56.12.5:5501>
>
>     works (quite dark)
>
>      > >udp://@233.56.12.2:5501 <http://233.56.12.2:5501> (in VLC can
>     change view in "Playback/Program")
>
>     corrupted on all tandberg outputs - CODEC issue?
>
>      > >rtp://233.56.12.6:4446 <http://233.56.12.6:4446>
>
>     works - nice big overview screen.
>
>      > >rtp://@233.56.12.8:4448 <http://233.56.12.8:4448>
>
>     works
>
>      > >rtp://@233.56.12.10:4410 <http://233.56.12.10:4410>
>
>
>     works
>
>
>     VideoLAN 2.0.7 (twoflower) on OSX 10.8.4 Intel ised for the testing.
>     from 131.231.0.0/16 <http://131.231.0.0/16>
>
>
>     alan
>
>
>
>
> --
> Ernest Gillis
> Manager of Learning Resources Web Development
> Stan Getz Media Center and Library
> Phone: 617-747-8533
> E-Mail: 
>
>  
> <mailto:>

--
**************************************************
                 Brian V. Mollo
       tel: 617.384.6641 fax: 617.495.0914
          NoX Network Engineer & Contact
 Network Engineer - Harvard University - HUIT/UNSG
**************************************************