All things related to multicast

[Cort Buffington <>]

Am I the only one that blocks administratively scoped multicast group  
addresses at my autonomous system border?

These group addresses are in a portion of the the unassigned  
administratively scoped portion for organization local scope, and as  
such, I don't allow them past the AS boundary. I'm honestly asking  
because my best practice has always been to block administratively  
scoped groups at my administrative boundary?

If this is indeed not the general practice, I will need to re-think my  
multicast deployment plan!	

On Jul 21, 2009, at 4:13 AM, Katsuhiro Horiba wrote:

> Folks,
>
> Total solar eclipse will come to IWOJIMA tommorow(22th July).
> It will start around 10:00 (JST). (1st eclipse will start 10:01)
> We will broadcast the video with IP Multicast.
> For detail, please access http://www.sfc.wide.ad.jp/~qoo/eclipse09/
>
> If anyone has time to try to join(MPEG2-TS HD1080i transmitted by  
> DVTS),
> please let me know (1) if you can receive video, and if yes (2) how  
> is the quality.
> Unfortunately, now we are sending test patern, it's not so attractive.
> I'll anounse when the video comes from IWOJIMA.
> If possible please attach your ip adderss(both of ipv4, ipv6) and  
> the result of traceroute to 203.178.150.36/2001:200:0:6013::36.
>
> If you can't play video eventhough traffic is coming,
> please try to join directly from VLC.
> 233.9.196.41 port 1234  // the Sun
> 233.9.196.42 port 1234  // landscape
> ff7e:140:2001:200:0:6013::41 port 1234          // the Sun
> ff7e:140:2001:200:0:6013::42 port 1234          // landscape
>
> We also prepare ssmpingd to check the connectivity, the address are  
> 203.178.150.36/2001:200:0:6013::36.
> If you can't receive any traffic, please check to use ssmping.
> IPv4: ssmping -4 233.9.196.1 203.178.150.36
> IPv6: ssmping -6 ff7e:140:2001:200:0:6013::1 2001:200:0:6013::36
>
> Best Regard,
> Katsuhiro Horiba

--
Cort Buffington
Executive Director
The Kansas Research and Education Network

Office: +1-785-856-9800 x301
Mobile: +1-785-865-7206