Well, cosmic rays can cause memory corruption, see for example: http://www.eetimes.com/news/98/1012news/ibm.html
But if it always hits one particular device out of many at the same location, then there might be a more likely explanation, like ... I dunno, a bug?!? :) In any case, replacing the memory chips can't harm. And btw, instead of talking to the "guys at the local Cisco office", go and open a case with TAC. Thanks, Zsombor At 02:46 AM 6/26/2003 +0000, Juan Carlos Perez wrote: >We have a Cisco VIP card plugged into a 7500 router. Every once in a while >the card just stops working and sometimes it gets stuck so hard that we >have to reload the microcode. The last we did that, the router crashed and >had to be reset (Ugly!). Well, it gets worse. After having to convince the >guys at the local Cisco office to help us in this issue, they came to our >facilities and began their analysis. To make a long story short, they told >us that these problems were caused by cosmic rays! We almost fainted! Cosmic >rays! >Has anybody around here ever heard of this problem in this combo? Let me >tell you this router is not installed in a spaceship or something like that, >it4s just an ordinary datacenter. >Any ideas about what the real problem might be? > >P. S. The router is using a recent version of IOS (newer than 12.1) and has >been patched as per the Cisco site. > >Thanks a lot for any advice on this issue. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=71414&t=71402 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
