[c-nsp] ouch 7204vxr reloaded

[Chris Woodfield]

You may want to check your power feeds for unexplained variances in voltage or phase...

-C

On Apr 29, 2010, at 2:13 51AM, Mike wrote:

> 
> For an additonal data point, the error has not recurred. HOWEVER, all across my network (wireless ISP), I have been having 'events' with all sorts of malfunctioning equipment; I've had blown out microwave point to point links, locked up wireless access points and strange rebootings, all in devices that otherwise have been up and running for years now without issue. There's been so much stuff I've been seriously considering the possibility of sabotage, except that the types of issues and the types of gear simply don't lend themselves to any sort of sabotage scenario I can think up short of someone with an x-matter-mitter standing on the moon shooting alpha particles at us.
> 
> Anyone else experiencing 'odd' failures lately??
> 
> Mike-
> 
> Tony wrote:
>> What's really strange is that we had a sup720 failover to the redundant Sup in a 7609 recently. I opened a TAC case and the reason I got for it from Cisco was:
>> 
>> =========
>> the device experienced a CPU parity error
>> ...
>> These occur when an energy level within the chip (for example, a one or a zero) changes - most often the result of cosmic radiation.  =========
>> 
>> The "resolution" was to monitor it for 48hrs and if it didn't happen again it was a once off cause by cosmic radiation and nothing they could do about it. The error didn't recur and so case was closed.
>> 
>> 
>>  
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/