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Re: [NTAC] Fwd: AS 20130 has turned off interdomain IP multicast


Chronological Thread 
  • From: David Farmer <>
  • To: "" <>
  • Cc: Michael H Lambert <>, Network Technical Advisory Committee <>, John Kristoff <>, wg-multicast <>, Jon Buerge <>, Colin Murphy <>, Rich Ingram <>
  • Subject: Re: [NTAC] Fwd: AS 20130 has turned off interdomain IP multicast
  • Date: Wed, 10 Aug 2016 15:15:16 -0500
  • Ironport-phdr: 9a23:ANa53B36logeas1UsmDT+DRfVm0co7zxezQtwd8ZsesfI/ad9pjvdHbS+e9qxAeQG96Eu7QZ0KGP7ujJYi8p39WoiDg6aptCVhsI2409vjcLJ4q7M3D9N+PgdCcgHc5PBxdP9nC/NlVJSo6lPwWB6lX71zMZGw3+OAxpPay1X9eK14Xkn9y1rtfUfAhOnxK7cKh/NhO7sUPWrMZcyd9lNas30TPPs2BFYeJb2SVvP13FzDjm4cLl0Jd98igYlfs78sNaGfH0dr49QKZwETEgdW05+Zu45lH4UQKT6y5EAS0tmR1SDl2AtUmiUw==

Since it's never been launched, it's a perfect thing to be INNOVATIVE with. :)  

If it hasn't been really tried, I'm willing to expend some effort on it, and it seems to mostly work.  On the other hand, MSDP must DIE, and I'm willing to expend effort to KILL IT.  Expending effort to kill IPv6 interdomain multicast seems wrong. 

On Wed, Aug 10, 2016 at 2:56 PM, Bill Owens <> wrote:
On Wed, Aug 10, 2016 at 02:13:16PM -0500, David Farmer wrote:
>    4. Focus efforts on supporting IPv6 interdomain multicast, SSM and
>    embedded-RP

owens@nyc-9208-0> show route table inet6.0
inet6.0: 22460 destinations, 43315 routes (22457 active, 3 holddown, 1 hidden)

owens@nyc-9208-0> show route table inet6.2
inet6.2: 152 destinations, 269 routes (152 active, 0 holddown, 0 hidden)

That's 0.68% multicast-enabled, of which I'm willing to bet maybe a dozen prefixes actually have working v6 multicast.

Bill.



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