All things related to multicast

["Patcharee Basu" <>]

Hello,

I have already changed the TTL to 128. Do you see the stream now?

Best regards,
Patcharee
----- Original Message ----- 
From: "Jon-Paul Herron" 
<>
To: "Greg Shepherd" 
<>
Cc: "Patcharee Basu" 
<>;
 
<>
Sent: Thursday, November 06, 2003 12:00 AM
Subject: Re: Testing multicast stream from Thailand


> From Abilene, I see traffic flowing toward you at MIX:
> 
> jpherron@SNVAng-re0>
>  show multicast route group 233.18.159.50 extensive
> 
> Family: INET
> Group           Source prefix     Act Pru NHid  Packets    IfMismatch 
> Timeout
> 233.18.159.50   203.159.28.31  /32 A   F  276   22658      0          
> 360
>      Upstream interface: so-0/1/0.0
>      Session name: Static Allocations
>      Forwarding rate: 40 kBps (27 pps)
> 
> 
> jpherron@SNVAng-re0>
>  show multicast next-hops 276
> Family: INET
> ID      Refcount  KRefcount Downstream interface
> 276            6          3 at-1/3/1.11537
>                              so-0/2/0.0
> 
> 
> Family: INET6
> 
> 
> jpherron@SNVAng-re0>
>  show interfaces descriptions
> Interface       Admin Link Description
> ...
> at-1/3/1.11537  up    up   BACKBONE: OC12 to MIX GSR
> ...
> jpherron@SNVAng-re0>
> 
> and on MIX, I see traffic flowing out toward you:
> 
> mix-gsr>show ip mroute 233.18.159.50 act
> Active IP Multicast Sources - sending >= 4 kbps
> 
> Group: 233.18.159.50, (?)
>     Source: 203.159.28.31 (?)
>       Rate: 26 pps/313 kbps(1sec), 0 kbps(last 50 secs), 313 kbps(life 
> avg)
> mix-gsr>show ip mroute 233.18.159.50
> IP Multicast Routing Table
> ...
> 
> (*, 233.18.159.50), 00:17:12/stopped, RP 198.32.8.238, flags: SP
>    Incoming interface: Null, RPF nbr 0.0.0.0
>    Outgoing interface list: Null
> 
> (203.159.28.31, 233.18.159.50), 00:17:12/00:03:22, flags: T
>    Incoming interface: ATM3/0.2, RPF nbr 198.32.8.73, Mbgp
>    Outgoing interface list:
>      GigabitEthernet4/0, Forward/Sparse, 00:12:07/00:03:27
> 
> 
> On Nov 5, 2003, at 11:47 AM, Greg Shepherd wrote:
> 
> >
> > I see your SA in msdp - peer-rpf from Abilene.
> >
> > shep@paix>
> >  show msdp source-active group 233.18.159.50
> > Group address   Source address  Peer address    Originator      Flags
> > 233.18.159.50   203.159.28.31   198.9.201.205   203.159.128.5   Accept
> >                                 ^^^^^^^^^^^^^
> > Abilene-------------------------|||||||||||||
> >
> > My local RP joins the (S,G) tree toward your source through Abilene, 
> > but I
> > don't get any data:
> >
> > OHALL-8801# sh ip mr 233.18.159.50 sum
> > IP Multicast Routing Table for Context "default"
> >
> > Total number of routes: 73
> > Total number of (*,G) routes: 5
> > Total number of (S,G) routes: 68
> > Group count: 5, average sources per group: 13.6
> >
> > Group: 233.18.159.50/32, Source count: 1
> > Source            packets       bytes           aps   pps       
> > bit-rate  oifs
> > (*,G)             0             0               0     0         0 bps  
> >    1
> > 203.159.28.31     0             0               0     0         0 bps  
> >    1
> >
> > Where do you peer with Abilene?
> >
> > Greg
> >
> > On Wed, 5 Nov 2003, Patcharee Basu wrote:
> >
> >> Dear Internet2 Folks,
> >>
> >> Asian Institute of Technology(AIT), Thailand, has just finished 
> >> multicast
> >> configuration. I would like to ask if some friends in the WG can help 
> >> check
> >> if you could get a multicast stream from AIT,
> >> http://www.mmserv.ait.ac.th/MPU-web/liveconf/MPUMediaStation.asx,
> >> It's a 256-kbps window media stream, multicast group = 233.18.159.50 
> >> port
> >> 15000 , source addr = 203.159.28.31 port 1035.
> >>
> >> The current status of multicast testing with Internet2.
> >>
> >> Internet2 -> AIT:
> >> AIT can receive multicast stream from Internet2, multicasttech.com,
> >> www.americafree.tv.
> >>
> >> AIT -> Internet2:
> >> An Abilene network engineer has helped me checking. The traffics 
> >> flows all
> >> the way from source to his campus. But at his campus router, there 
> >> was a
> >> source tree state but no traffic flowing. We still don't know yet 
> >> what is
> >> the problem. -- Therefore, I would like to know if there is the same 
> >> problem
> >> on other campus so I write here if someone could help joining the 
> >> stream or
> >> telling us what could be a problem.
> >>
> >> Thank you very very much.
> >>
> >> Best regards,
> >> Patcharee
> >>
> >>
> >
> >
> >
> --
> Jon-Paul Herron
> Abilene Network Engineer
> (812) 856-0419