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Re: IPV6 Multicast


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  • From: Alan Crosswell <>
  • To: Tim Stevenson <>
  • Cc: Richard Mavrogeanes <>,
  • Subject: Re: IPV6 Multicast
  • Date: Sat, 20 May 2006 14:14:27 -0400

It's not about the routers. It's about the campus closet switches. I
don't know anybody who can afford the cost or power requirements of
putting a 6500 in a dorm network closet.

Tim Stevenson wrote:
> FYI, Cisco Cat6500 supports IPv6 multicast routing & MLD. It also
> supports MLD snooping in the hardware, but only for MLDv2. This requires
> PFC3 (sup32 or sup720).
>
> Tim
>
> At 10:47 AM 5/20/2006, Richard Mavrogeanes exclaimed:
>> Alan,
>>
>> Well, the next release supports IPV6, and perhaps multicast too.
>>
>> The trouble/question is local Ethernet switch support ("snooping"
>> behavior), and I'm hoping someone has some war stories to share. It
>> was bad enough getting the switch vendors fully onboard with IGMP, and
>> I wonder where they are with IPV6 multicast. Obviously, IPV6 is not
>> so useful if it can't reach the end user (desktop).
>>
>> /rich
>>
>>
>> -----Original Message-----
>> From: Alan Crosswell
>> [mailto:]
>> Sent: Sat 5/20/2006 12:54 PM
>> To: Richard Mavrogeanes
>> Cc:
>>
>> Subject: Re: IPV6 Multicast
>>
>>
>>
>> Abiline and most of the gigapops support it. There are some
>> issues with
>> some international networks not yet support embedded RP.
>> Campuses are
>> pretty far behind. NYU is one of the few that has done v6 multicast
>> with NYSERNet. In the first ever v6 multicast hands on workshop in
>> Albuquerque a few months ago, we viewed content that was being
>> multicast
>> from Syracuse.
>>
>> Put it in a product and I'll have an excuse to replace my Vbrick
>> 1200's:-)
>>
>> /a
>>
>> Richard Mavrogeanes wrote:
>> > I'd like to explore this group's experience with IPV6
>> multicast, in particular, what do we believe is the current state of
>> the Internet2 backbone network and what do we think is the state of
>> enterprise routers and switches to allow it?
>> >
>> > Looking forward to an interesting thread...
>> >
>> > /rich
>> >
>>
>
>
>
> Tim Stevenson,
>
> Routing & Switching CCIE #5561
> Technical Marketing Engineer, Catalyst 6500
> Cisco Systems, http://www.cisco.com
> IP Phone: 408-526-6759
> ********************************************************
> The contents of this message may be *Cisco Confidential*
> and are intended for the specified recipients only.



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