All things related to multicast

["Lucy E. Lynch" <>]

Marshall -

the only announcement I see (XMIM) is this one:

v=0
o=ncast 3229656133 3229694286 IN IP4 207.75.164.42
s=Internet2 NCast #1
i=Current program on Internet2 NCast #1: Channel Channel 01
u=http://www.internet2.edu

p=+1 (734) 913-4257
t=3229694286 3229694586
a=tool:NCast Version 1.2
a=type:broadcast
a=ncastchannel:1
m=audio 11000 RTP/AVP 0
c=IN IP4 233.45.17.42/63
a=ptime:40
m=video 10000 RTP/AVP 32
c=IN IP4 233.45.17.42/63
m=video 12000 RTP/AVP 26
c=IN IP4 233.45.17.42/63

and an mtrace sunnyvale to 207.75.164.4 233.45.17.42
dies in Denver:

Type escape sequence to abort.
Mtrace from 207.75.164.4 to 198.32.8.1 via group 233.45.17.42
>From source (?) to destination (snva-dnvr.abilene.ucaid.edu)
Querying full reverse path...
 0  snva-dnvr.abilene.ucaid.edu (198.32.8.1)
-1  snva-dnvr.abilene.ucaid.edu (198.32.8.1) PIM/MBGP  [207.75.164.0/23]
-2  dnvr-snva.abilene.ucaid.edu (198.32.8.2) PIM Reached RP/Core
[207.75.164.0/23]




Lucy E. Lynch                           Academic User Services
Computing Center                        University of Oregon

                (541) 346-1774/Cell: 912-7998

On Mon, 6 May 2002, Marshall Eubanks wrote:

> On Mon, 6 May 2002 07:33:50 -0700 (Pacific Daylight Time)
>  Amel Caldwell 
> <>
>  wrote:
> > Just after I sent this, the mtraces would not work at all, now they are
> > again:
>
> OK, after many perturbations, Jerry S. and I have again multicast
> transit.
>
> If anyone can see these streams, please let me know.
>
> I can get MSDP SA's on my office, but still not the stream.
> Is anyone out their familar  with multicast on Junipers and willing to
> help debug this on the outside ?
>
> Call me at 703-501-4376
>
> Marshall
>
>
>
> >
> > uwbr2>mtrace 206.196.182.101 233.64.133.200
> > Type escape sequence to abort.
> > Mtrace from 206.196.182.101 to 198.107.150.52 via group 233.64.133.200
> > >From source (?) to destination (uwbr2-GE0-0.cac.washington.edu)
> > Querying full reverse path...
> >  0  uwbr2-GE0-0.cac.washington.edu (198.107.150.52)
> > -1  uwbr2-GE0-0.cac.washington.edu (198.107.150.52) [AS 101] PIM/MBGP 
> > Reached
> > RP/Cor
> > e [206.196.176.0/21]
> > -2  hnsp1-wes-ge-0-0-0-0.pnw-gigapop.net (198.107.150.11) [AS 101] PIM
> > [206.196.182
> > .0/25]
> > uwbr2>mtrace 206.196.182.101 233.64.133.200
> > Type escape sequence to abort.
> > Mtrace from 206.196.182.101 to 198.107.150.52 via group 233.64.133.200
> > >From source (?) to destination (uwbr2-GE0-0.cac.washington.edu)
> > Querying full reverse path...
> >  0  uwbr2-GE0-0.cac.washington.edu (198.107.150.52)
> > -1  uwbr2-GE0-0.cac.washington.edu (198.107.150.52) [AS 101] PIM/MBGP 
> > Reached
> > RP/Cor
> > e [206.196.176.0/21]
> > -2  hnsp1-wes-ge-0-0-0-0.pnw-gigapop.net (198.107.150.11) [AS 101] PIM
> > [206.196.182
> > .0/25]
> > uwbr2>sh ip msdp sa 233.64.133.200
> > MSDP Source-Active Cache - 2007 entries
> > (142.92.39.78, 233.64.133.200), RP 142.92.9.1, MBGP/AS 818, 
> > 00:19:05/00:05:57
> > (206.196.182.101, 233.64.133.200), RP 206.196.177.247, MBGP/AS 10886,
> > 05:10:18/00:05
> > :57
> > uwbr2>sh ip mbgp 206.196.182.101
> > MBGP routing table entry for 206.196.176.0/21, version 2537
> > Paths: (1 available, best #1)
> >   Advertised to non peer-group peers:
> >     198.107.150.53 198.107.150.54
> >   101 11537 10886
> >     198.107.150.11 from 198.107.150.11 (198.107.151.11)
> >       Origin IGP, localpref 3700, weight 100, valid, external, best
> > uwbr2>sh ip mbgp 206.196.182.101
> > MBGP routing table entry for 206.196.176.0/21, version 2537
> > Paths: (1 available, best #1)
> >   Advertised to non peer-group peers:
> >     198.107.150.53 198.107.150.54
> >   101 11537 10886
> >     198.107.150.11 from 198.107.150.11 (198.107.151.11)
> >       Origin IGP, localpref 3700, weight 100, valid, external, best
> > uwbr2>mtrace 206.196.182.101 233.64.133.200
> > Type escape sequence to abort.
> > Mtrace from 206.196.182.101 to 198.107.150.52 via group 233.64.133.200
> > >From source (?) to destination (uwbr2-GE0-0.cac.washington.edu)
> > Querying full reverse path...
> >  0  uwbr2-GE0-0.cac.washington.edu (198.107.150.52)
> > -1  uwbr2-GE0-0.cac.washington.edu (198.107.150.52) [AS 101] PIM/MBGP 
> > Reached
> > RP/Cor
> > e [206.196.176.0/21]
> > -2  hnsp1-wes-ge-0-0-0-0.pnw-gigapop.net (198.107.150.11) [AS 101] PIM
> > [206.196.176
> > .0/21]
> > -3  abilene-pnw.pnw-gigapop.net (198.48.91.78) [AS 101] PIM/MBGP Reached
> > RP/Core [20
> > 6.196.176.0/21]
> > -4  dnvr-sttl.abilene.ucaid.edu (198.32.8.50) [AS 11537] PIM/MBGP Reached
> > RP/Core [2
> > 06.196.176.0/21]
> > -5  kscy-dnvr.abilene.ucaid.edu (198.32.8.14) [AS 11537] PIM/MBGP Reached
> > RP/Core [2
> > 06.196.176.0/21]
> > -6  ipls-kscy.abilene.ucaid.edu (198.32.8.6) [AS 11537] PIM/MBGP Reached
> > RP/Core [20
> > 6.196.176.0/21]
> > -7  clev-ipls.abilene.ucaid.edu (198.32.8.26) [AS 11537] PIM/MBGP Reached
> > RP/Core [2
> > 06.196.176.0/21]
> > -8  nycm-clev.abilene.ucaid.edu (198.32.8.30) [AS 11537] PIM/MBGP Reached
> > RP/Core [2
> > 06.196.176.0/21]
> > -9  wash-nycm.abilene.ucaid.edu (198.32.8.45) [AS 11537] PIM/MBGP Reached
> > RP/Core [2
> > 06.196.176.0/21]
> > -10 wash-abilene-oc48.maxgigapop.net (206.196.177.1) [AS 10886] PIM 
> > Reached
> > RP/Core
> > [206.196.176.0/21]
> >
> >
> > On Mon, 6 May 2002, Amel Caldwell wrote:
> >
> > >I am not getting a stream at U Washington.  Here's some stats from our
> > border
> > >router:
> > >
> > >Amel
> > >
> > >(One interesting thing is the two mtraces; first one gives up sayig route
> > must
> > >have changed; second one looks identical and works).
> > >
> > >uwbr2>sh ip msdp sa 233.64.133.200
> > >MSDP Source-Active Cache - 2044 entries
> > >(128.182.61.124, 233.64.133.200), RP 128.182.13.13, MBGP/AS 1206,
> > >00:18:28/00:01:45
> > >(142.92.39.78, 233.64.133.200), RP 142.92.9.1, MBGP/AS 818,
> > 00:07:07/00:05:33
> > >(206.196.182.101, 233.64.133.200), RP 206.196.177.247, MBGP/AS 10886,
> > >04:58:20/00:05
> > >:33
> > >uwbr2>sh ip mbgp 206.196.182.101
> > >MBGP routing table entry for 206.196.176.0/21, version 2537
> > >Paths: (1 available, best #1)
> > >  Advertised to non peer-group peers:
> > >    198.107.150.53 198.107.150.54
> > >  101 11537 10886
> > >    198.107.150.11 from 198.107.150.11 (198.107.151.11)
> > >      Origin IGP, localpref 3700, weight 100, valid, external, best
> > >uwbr2>mtrace 206.196.182.101 233.64.133.200
> > >Type escape sequence to abort.
> > >Mtrace from 206.196.182.101 to 198.107.150.52 via group 233.64.133.200
> > >From source (?) to destination (uwbr2-GE0-0.cac.washington.edu)
> > >Querying full reverse path... * switching to hop-by-hop:
> > > 0  uwbr2-GE0-0.cac.washington.edu (198.107.150.52)
> > >-1  uwbr2-GE0-0.cac.washington.edu (198.107.150.52) [AS 101] PIM/MBGP
> > Reached
> > >RP/Cor
> > >e [206.196.176.0/21]
> > >-2  hnsp1-wes-ge-0-0-0-0.pnw-gigapop.net (198.107.150.11) [AS 101] PIM
> > >[206.196.176
> > >.0/21]
> > >-3  abilene-pnw.pnw-gigapop.net (198.48.91.78) [AS 101] PIM/MBGP Reached
> > >RP/Core [20
> > >6.196.176.0/21]
> > >-4  dnvr-sttl.abilene.ucaid.edu (198.32.8.50) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-5  kscy-dnvr.abilene.ucaid.edu (198.32.8.14) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-6  ipls-kscy.abilene.ucaid.edu (198.32.8.6) [AS 11537] PIM/MBGP Reached
> > >RP/Core [20
> > >6.196.176.0/21]
> > >-7  clev-ipls.abilene.ucaid.edu (198.32.8.26) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-8  nycm-clev.abilene.ucaid.edu (198.32.8.30) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-9  wash-nycm.abilene.ucaid.edu (198.32.8.45) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-10 wash-abilene-oc48.maxgigapop.net (206.196.177.1) [AS 10886] PIM 
> > >Reached
> > >RP/Core
> > >[206.196.176.0/21]
> > >-11 Route must have changed...try again
> > >
> > >uwbr2>mtrace 206.196.182.101 233.64.133.200
> > >Type escape sequence to abort.
> > >Mtrace from 206.196.182.101 to 198.107.150.52 via group 233.64.133.200
> > >From source (?) to destination (uwbr2-GE0-0.cac.washington.edu)
> > >Querying full reverse path...
> > > 0  uwbr2-GE0-0.cac.washington.edu (198.107.150.52)
> > >-1  uwbr2-GE0-0.cac.washington.edu (198.107.150.52) [AS 101] PIM/MBGP
> > Reached
> > >RP/Cor
> > >e [206.196.176.0/21]
> > >-2  hnsp1-wes-ge-0-0-0-0.pnw-gigapop.net (198.107.150.11) [AS 101] PIM
> > >[206.196.176
> > >.0/21]
> > >-3  abilene-pnw.pnw-gigapop.net (198.48.91.78) [AS 101] PIM/MBGP Reached
> > >RP/Core [20
> > >6.196.176.0/21]
> > >-4  dnvr-sttl.abilene.ucaid.edu (198.32.8.50) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-5  kscy-dnvr.abilene.ucaid.edu (198.32.8.14) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-6  ipls-kscy.abilene.ucaid.edu (198.32.8.6) [AS 11537] PIM/MBGP Reached
> > >RP/Core [20
> > >6.196.176.0/21]
> > >-7  clev-ipls.abilene.ucaid.edu (198.32.8.26) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-8  nycm-clev.abilene.ucaid.edu (198.32.8.30) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-9  wash-nycm.abilene.ucaid.edu (198.32.8.45) [AS 11537] PIM/MBGP Reached
> > >RP/Core [2
> > >06.196.176.0/21]
> > >-10 wash-abilene-oc48.maxgigapop.net (206.196.177.1) [AS 10886] PIM 
> > >Reached
> > >RP/Core
> > >[206.196.182.101/32]
> > >uwbr2>
> > >uwbr2>sh ip mroute 233.64.133.200 count
> > >IP Multicast Statistics
> > >392 routes using 210388 bytes of memory
> > >45 groups, 7.71 average sources per group
> > >Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kilobits per
> > second
> > >Other counts: Total/RPF failed/Other drops(OIF-null, rate-limit etc)
> > >
> > >Group: 233.64.133.200, Source count: 3, Group pkt count: 672
> > >  RP-tree: Forwarding: 10/0/95/0, Other: 2/0/0
> > >  Source: 128.208.20.219/32, Forwarding: 482/1/71/0, Other: 1/0/0
> > >  Source: 142.92.39.78/32, Forwarding: 180/1/66/0, Other: 1/0/0
> > >  Source: 206.196.182.101/32, Forwarding: 0/0/0/0, Other: 0/0/0
> > >
> > >
> > >On Mon, 6 May 2002, Marshall Eubanks wrote:
> > >
> > >>On Mon, 06 May 2002 07:56:44 -0400
> > >> "Marshall Eubanks" 
> > >> <>
> > >>  wrote:
> > >>> Dear Jerry;
> > >>>
> > >>>     Thanks for all of your help setting up the multicasts last night. 
> > >>> I
> > >>> feel that we are close but not yet there on sending these out. At 
> > >>> least,
> > >>> we can receive these from  our offices.
> > >>>
> > >>>     We have a test loop up. I would appreciate people with I2 
> > >>> multicast
> > >>> connectivity trying to join the stream and sending  reception reports.
> > >>>
> > >>> http://www.multicasttech.com/internet2/
> > >>
> > >>Someone out there is getting this - we have had RR's from U Washington 
> > >>and
> > a
> > >>host of MSDP SA's from Canarie
> > >>
> > >>multicasttech-1>show ip msdp sa | include 233.64.133.209
> > >>(142.92.1.1, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818, 
> > >>00:09:58/00:04:38
> > >>(142.92.10.5, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:58/00:04:38
> > >>(142.92.10.9, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:58/00:04:38
> > >>(142.92.10.18, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:02/00:05:34
> > >>(142.92.10.57, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:58/00:04:38
> > >>(142.92.10.69, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:58/00:04:38
> > >>(142.92.10.89, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:58/00:04:38
> > >>(142.92.132.1, 233.64.133.209), RP 142.92.9.1, MBGP/AS 818,
> > 00:09:58/00:04:38
> > >>(205.189.32.217, 233.64.133.209), RP 205.189.32.248, MBGP/AS 6509,
> > >>00:09:58/00:03:38
> > >>(206.196.182.102, 233.64.133.209), RP 206.196.177.247, MBGP/AS 10886,
> > >>10:36:43/00:01:39
> > >>
> > >>Still no stream for us, though.
> > >>
> > >>Marshall
> > >>
> > >>>
> > >>> Here are the symptoms.
> > >>>
> > >>> 1.) From 63.105.122.8 I _cannot_ see the multicasts.
> > >>>
> > >>> [tme@hendrix
> > >>>  dump]$ rtpdump -F ascii 233.64.133.201/7012
> > >>> [tme@hendrix
> > >>>  dump]$ rtpdump -F ascii 233.64.133.209/7070
> > >>> [tme@hendrix
> > >>>  dump]$ rtpdump -F ascii 233.64.133.200/7010
> > >>>
> > >>> 2.) I can see
> > >>>  the SA's from the 63.105.122.1  router
> > >>>
> > >>> multicasttech-1>show ip msdp sa | include 233.64.133.209
> > >>> (206.196.182.102, 233.64.133.209), RP 206.196.177.247, MBGP/AS 10886,
> > >>> 09:04:03/00:05:52
> > >>> 3.) I can now see the hotel address block in MBGP
> > >>>
> > >>>
> > >>> multicasttech-1>show ip mbgp 206.196.182.102
> > >>> BGP routing table entry for 206.196.176.0/21, version 1354851
> > >>> Paths: (3 available, best #3)
> > >>>   Advertised to non peer-group peers:
> > >>>   63.251.101.52
> > >>>   145 11537 10886
> > >>>     166.61.8.89 from 166.61.8.89 (204.147.128.136)
> > >>>       Origin IGP, localpref 100, valid, external
> > >>>       Community: 9503719 713424897 756089782
> > >>>   1239 11537 10886
> > >>>     160.81.38.225 from 160.81.38.225 (144.228.242.54)
> > >>>       Origin IGP, metric 73, localpref 100, valid, external
> > >>>   15076 1239 11537 10886
> > >>>     216.177.55.5 from 216.177.55.5 (216.177.32.254)
> > >>>       Origin IGP, localpref 100, weight 500, valid, external, best
> > >>>
> > >>> 4.) I can mtrace all the way into the MAX gigapop core
> > >>>
> > >>> multicasttech-1>
> > >>> multicasttech-1>mtrace
> > >>> Source address or name: 206.196.182.102
> > >>> Destination address or name: 63.105.122.1
> > >>> Group address or name: 233.64.133.209
> > >>> Multicast request TTL [64]:
> > >>> Response address for mtrace:
> > >>> Type escape sequence to abort.
> > >>> Mtrace from 206.196.182.102 to 63.105.122.1 via group 233.64.133.209
> > >>> From source (?) to destination (dmz-mct2.multicasttech.com)
> > >>> Querying full reverse path...
> > >>>  0  dmz-mct2.multicasttech.com (63.105.122.1)
> > >>> -1  dmz-mct2.multicasttech.com (63.105.122.1) PIM/MBGP Reached RP/Core
> > >>> [206.196.176.0/21]
> > >>> -2  216.177.55.5 PIM/MBGP Reached RP/Core [206.196.176.0/21]
> > >>> -3  208.1.115.206 [AS 1239] PIM Prune sent upstream [default]
> > >>> -4  63.173.24.173 [AS 1239] PIM/MBGP  [206.196.176.0/21]
> > >>> -5  sl-bb20-rly-14-2.sprintlink.net (144.232.19.121) [AS 1239] 
> > >>> PIM/MBGP
> > >>> [206.196.176.0/21]
> > >>> -6  sl-bb22-sj-5-1.sprintlink.net (144.232.9.125) [AS 1239] PIM/MBGP
> > >>> [206.196.176.0/21]
> > >>> -7  sl-bb21-stk-11-0.sprintlink.net (144.232.8.41) [AS 1239] PIM/MBGP
> > >>> [206.196.176.0/21]
> > >>> -8  sl-bb22-stk-15-0.sprintlink.net (144.232.4.242) [AS 1239] PIM/MBGP
> > >>> [206.196.176.0/21]
> > >>> -9  sl-w1-mae-1-0-0.sprintlink.net (144.232.8.1) [AS 1239] PIM/MBGP
> > Reached
> > >>> RP/Core [206.196.176.0/21]
> > >>> -10 198.9.201.205 [AS 24] PIM/MBGP Reached RP/Core [206.196.176.0/21]
> > >>> -11 198.32.8.73 [AS 11537] PIM/MBGP Reached RP/Core [206.196.176.0/21]
> > >>> -12 dnvr-snva.abilene.ucaid.edu (198.32.8.2) [AS 11537] PIM/MBGP 
> > >>> Reached
> > >>> RP/Core
> > >>> [206.196.176.0/21]
> > >>> -13 kscy-dnvr.abilene.ucaid.edu (198.32.8.14) [AS 11537] PIM/MBGP 
> > >>> Reached
> > >>> RP/Core [206.196.176.0/21]
> > >>> -14 ipls-kscy.abilene.ucaid.edu (198.32.8.6) [AS 11537] PIM/MBGP 
> > >>> Reached
> > >>> RP/Core
> > >>> [206.196.176.0/21]
> > >>> -15 clev-ipls.abilene.ucaid.edu (198.32.8.26) [AS 11537] PIM/MBGP 
> > >>> Reached
> > >>> RP/Core [206.196.176.0/21]
> > >>> -16 nycm-clev.abilene.ucaid.edu (198.32.8.30) [AS 11537] PIM/MBGP 
> > >>> Reached
> > >>> RP/Core [206.196.176.0/21]
> > >>> -17 wash-nycm.abilene.ucaid.edu (198.32.8.45) [AS 11537] PIM/MBGP 
> > >>> Reached
> > >>> RP/Core [206.196.176.0/21]
> > >>> -18 wash-abilene-oc48.maxgigapop.net (206.196.177.1) [AS 10886] PIM
> > Reached
> > >>> RP/Core [206.196.182.102/32]
> > >>> multicasttech-1>
> > >>>
> > >>> 5.) At least last night, we could get multicasts _from_ the meeting 
> > >>> site.
> > >>>
> > >>> Regards
> > >>> Marshall
> > >>>
> > >>
> > >>
> > >
> > >
> >
>