[c-nsp] sup720 protection on the 6500/7600

Sukumar Subburayan sukumars at cisco.com
Tue Feb 27 08:48:19 EST 2007


Unfortunately I can't give out dates. Please contact your local 
SE/Account Team for  information on tentative availability of Sup720
based on PFC3C.

sukumar

Note: the ME-6524 is based of PFC3C, so it should have the limitation 
lifted when the next 12.2SX* based release come out for that platform.




On Tue, 27 Feb 2007, Tim Durack wrote:

> Great. When is the SUP720-3C going to be available?
>
> Tim:>
>
> On 2/26/07, Sukumar Subburayan <sukumars at cisco.com> wrote:
>> Folks,
>> 
>> Here is the update. Good news is that we will have the fix for this with
>> PFC3C based systems.
>> 
>> sukumar
>> 
>> 
>> 
>> 
>> 
>> On Mon, 19 Feb 2007, Sukumar Subburayan wrote:
>> 
>> > Charles et al,
>> >
>> > We are investigating (as we speak), if this limitation is fixable in
>> > PFC3C. Will keep you all posted.
>> >
>> > sukumar
>> >
>> >
>> >
>> >
>> > On Sun, 18 Feb 2007, Phil Mayers wrote:
>> >
>> >>> However, the bugID *does* suggest a way to avoid triggering this
>> >>> condition: "The symptom can be alleviated by avoiding generating
>> >>> packets to the RP (ie. this router)."
>> >>
>> >> Oh, that's just marvellous.
>> >>
>> >> I could almost live with this if it were just the receive limiter, which
>> >> is far less useful than CoPP. But there's no way to emulate the glean
>> >> limiter with CoPP, and if (as we are) you happen to be routing a lot of
>> >> subnets on the box, you might want to limit the possible damage of an
>> >> address-space sweep.
>> >>
>> >> Thanks for the pointer.
>> >>
>> >> "Cisco - Market Leader in giving you disappointing news!"
>> >>
>> >> :o(
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>


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