[c-nsp] questions about IOS XR and SPA

[lists at hojmark.org]

>> 2. Does SIP (SPA Interface Processors) for 7600 works in 
>> 6500 too? Within 7600 series, is SIP/SPA available for 7604 
>> only or all 7600 series? what about supervior requirements, 
>> is SUP720 only?

>  Works in 6500 and 7600 and with older MSFC/PFC also.

No...

To the best of my knowledge, the only software that supports
SIP/SPA is 12.2SX, and the release notes for 12.2(18)SXE says
that SIP/SPA is only supported with Sup720, and the hardware
documentation says they're not supported with Sup1, 2, and
720-3A.

-A