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 [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
