This is what TAC will most often referance when you experience a parity error:
http://www.cisco.com/warp/public/122/crashes_pmpe.html Dave "R. Benjamin Kessler" wrote: > > I have a client who experienced this as well on a pair of 7206VXR's. > The two routers rebooted themselves due to memory parity error. The > "cosmic radiation" was kind enough to cause the reload in the wee hours > so no harm done. > > What's weird is that we have six 7206's in the same cabinet but only two > experienced the problem. The two afflicted routers just happened to > service the same group of subnets (HSRP peers)...kinda strange. > > TAC dude wanted me to remove and re-seat the memory in the routers. He > said that if the problem happened again that they'd replace the memory. > > I opened up one of the routers to find that the memory is not only > secured by retaining clips on each side but it also has a screw through > it...I didn't bother on the other router. > > (knocking on wood) It has been several months since that happened and > we've run clean since. > > If you're seeing this on a brand-new box, I'd guess infant mortality. > Perhaps you can convince TAC to send you some new memory if you're still > fighting this problem. > > If new memory still has the problem then you'll need to look at > "environmental" conditions in your data center - e.g. grounding, heat, a > lot of EMI, etc. > > ""Farooq Ali"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Hi all: > > > > I am a giga-lurker on this list and over the past 3 years have > benefitted > a > > lot. Have been able to achieve a lot due to the knowledge shared on > this > > list. I would like to thank all for that. > > > > The reason I am writing now is an issue which is a bit mind boggeling. > We > do > > have a solution but I found it a bit funny hence sharing it here. > > > > One of our offsite routers a 7206 vxr in New York site was having a > problem, > > we had this brand new router crash on us twice in a week and after > opening > a > > ticket with TAC, we sent them an upload of our "sh tech" output. > > > > They told us that we have parity issues and guess what? the parity is > bad > > cause of "Cosmic radiation"! > > I am taking the solution on face value and not making a fuss about it, > but > > wanted to hear from the more experianced folks on this list on how > does > > minimal radiation is able to set the 0 to 1 or viceversa, while my > router > is > > not located in say Alpha quadrant in subnebular terrain. Its in NYC! > :) > > > > here is a link to this phenomena on cisco site: > > > http://216.239.51.100/search?q=cache:xbNsvjHnXUIC:www.cisco.com/warp/pub > lic/ > 122/crashes_pmpe.html+soft+parity+errors+and+cosmic+radiation&hl=en > > > > > > > > Any ideas! > > Kfali CCNP security, afraid of the written. > > -- > > _______________________________________________ > > Sign-up for your own FREE Personalized E-mail at Email.com > > http://www.email.com/?sr=signup -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=46450&t=46282 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

