[c-nsp] Sup 720 dual engine configurations

[Arnold Nipper]

On 13.04.2006 19:59 Jeff Kell wrote

> Hank Nussbacher wrote:
>> On Wed, 12 Apr 2006, Voll, Scott wrote:
>> 
>> I have used Cisco routers for close to 20 years:
>> http://tinyurl.com/l4jtj and have yet to have the CPU die on me.
>> That is true for dozens of AGSs, AGS+s, 7200s, many 7500s (RSPs)
>> and now two 7600s (SUP720s), among my many clients.  Everything
>> else has failed at some point such as PAs, Flexwans, GBICs, SFPs,
>> but never yet the chassis or supervisor card.  That is why I didn't
>> suggest to buy redundant SUPs.
> 
> I would have agreed until recently.  We had a 6500 Sup-II die on
> April 1.  Perhaps it just had a twisted sense of humor.
> 

I guess it's as simple as "what can go wrong, goes wrong". though only 
haveing three 6509s I've seen Sups dying (even had two of four which 
where DOA) and broken chassis/backplanes (which was really annoying).

Conclusion: if I may run redundant configuration, I always will do!




Arnold, AN45