All things related to multicast

[Amel Caldwell <>]

Now, this seems to be coming and going.  I have had it drop at least twice
since I first reported that I could see it, and it is just now recovering
again.  I haven't been able to try to time or correlate the dropoffs.

Amel

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
>> >>>
>> >>
>> >>
>> >
>> >
>>
>
>