[c-nsp] All multicast punting to CPU on 6500

[Phil Mayers]

On 17/12/12 13:48, Gert Doering wrote:
> Hi,
>
> On Mon, Dec 17, 2012 at 01:34:21PM +0000, Phil Mayers wrote:
>>> Wait for IPv6 ND flood attacks...  (and then nobody will be able to point
>>> a finger to MS to tell them "hey, all your fault!")
>>
>> No need to wait. We've had several (accidental, but nevertheless).
>> Suffice to say it had a... detrimental... affect on sup720 CPU usage.
>
> Hooray.   3B or 3C?  (I still hope that upgrading our remaining 3Bs to

3B. We have some 3C DFCs but all our sups predate the 720-10G.

> 3Cs might solve the worst...  as seems to do for IPv6 fragment handling,
> for example.  No budget to put Sup-2T or N7k/ASR9k everywhere right now)

Likewise for us no sup2t budget; seems the sup2T and DFC4 are about 50% 
more than the Earl 7 parts; too steep for me at the moment :o(