Skip to Content.
Sympa Menu

wg-multicast - Re: Odd multicast packet loss to Nysernet

Subject: All things related to multicast

List archive

Re: Odd multicast packet loss to Nysernet


Chronological Thread 
  • From: Marshall Eubanks <>
  • To: TECH <>, <>
  • Cc: Internet2 Multicast WG <>, Bill Owens <>, Hans Kuhn <>
  • Subject: Re: Odd multicast packet loss to Nysernet
  • Date: Thu, 15 Feb 2001 11:57:58 -0500

If you could get the debug version at http://www.mctplayer.com/debug/
it would be useful, if you can put it on a Linux box.


> Marshall Eubanks wrote:


>
>> Hello;
>>
>> We have noticed an odd pattern of packet loss to nysernet (AS 3754) from
>> MulticastTech
>> (AS 16517).
>
> Are you seeing similar losses to Cornell (AS 26)?
>
> We have multicast peering with both NYSERNet (NYSERNet 2000) and vBNS,
> and though I thought we were reaching you through our vBNS connection (a
> lot has changed since then -- early Jan.), an mtrace on the access grid
> beacon group looks similar to what you showed:
>
>
> @pgp1$ mtr -s hendrix.multicasttech.com 233.2.171.1
> Mtrace from 63.105.122.14 to 128.253.64.34 via group 233.2.171.1
> Querying full reverse path...
> 0 pgp1.cit.cornell.edu (128.253.64.34)
> -1 rhodes1-8540-vl404.cit.cornell.edu (128.253.64.5) PIM thresh^ 0
> [default]
> -2 cornellnet3-gig1-0-0.cit.cornell.edu (128.253.222.161) PIM/BGP4+
> thresh^ 0 Reached RP/Core
> -3 ? (199.109.2.30) PIM thresh^ 1
> -4 clev-ipls.abilene.ucaid.edu (199.109.2.2) PIM/BGP4+ thresh^ 0
> Reached RP/Core
> -5 ipls-clev.abilene.ucaid.edu (198.32.8.25) PIM/BGP4+ thresh^ 0
> Reached RP/Core
> -6 jn1-at1-1-0-2008.dng.vbns.net (204.147.128.13) PIM thresh^ 1
> -7 jn1-so7-0-0-0.nor.vbns.net (204.147.136.147) PIM thresh^ 1
> -8 jn1-so7-0-0-0.wor.vbns.net (204.147.136.133) PIM thresh^ 1
> -9 jn1-so7-0-0-0.wae.vbns.net (204.147.136.136) PIM thresh^ 1
> -10 Multicast-inc.wae.vbns.net (204.147.129.90) PIM thresh^ 0
> Reached RP/Core
> -11 hendrix.multicasttech.com (63.105.122.14)
> Round trip time 263 ms; total ttl of 10 required.
>
> -Phil
>
>

--
Regards
Marshall Eubanks

This e-mail may contain confidential and proprietary information of
Multicast Technologies, Inc, subject to Non-Disclosure Agreements


T.M. Eubanks
Multicast Technologies, Inc
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624
Fax : 703-293-9609
e-mail :






Archive powered by MHonArc 2.6.16.

Top of Page