I've seen rommon updates that deal with flash access timing on a lot of the ISRs. Might be something to check out.
Chuck On Jul 18, 2011 5:58 AM, "Henry-Nicolas Tourneur" < [email protected]> wrote: > I would say: your issue sounds to be physical not software related. > Probably there's some weird happening on your power circuit when it goes > down, otherwise you should have the same issue with the power switch. > Since it's hard to say what happens when your power source goes down, it'll > be hard for us to tell you the exact cause. > > You should try to reproduce the conditions of the power cut, if the power > switch doesn't work, try shutting down your fuse, if possible. > When you succeed to reproduce the conditions, try moving your router to > another location and see if it behave the same way. > If it does, then your router might be faulty, if it doesn't, then you might > have an issue with your power circuit. > > Hope it helps, > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Vinny Abello > Sent: lundi 18 juillet 2011 5:58 > To: [email protected] > Subject: [c-nsp] 1841 dumps to rommon only on power failure > > Got an interesting problem I thought someone else might have > experienced. I have an 1841 in my home that I've used for a while. > Recently (probably within the past year) I noticed that when it looses > power, the next time it powers on it doesn't boot properly and just gets > dumped to rommon. This problem may have existed far longer as it used to > be on a UPS, but now is just on a surge protector. I know what everyone > is going to say, your config registers aren't set properly... Well, yes > they are. I've verified the config register being 0x2102 a dozen times > now and even reset it a few times to be sure. The odd thing about this > is if I simply reboot it again, it starts fine. Even if I power cycle it > with the rocker switch it boots up fine. I literally cannot reproduce > the problem by powering it off and back on, yet every time there is a > power failure, it fails to load IOS and a reboot is the quick fix. This > kind of stumped me having used Cisco routers and switches of all types > for many many years now. The only thing I could think of is that somehow > the lack of power for an extended period is causing it. Could this > behavior be caused by the battery on the main board being too low of > voltage? I think it was rated for 3.3 volts and measuring slightly over > 3 volts but my memory may be foggy on that. Any other thoughts (other > than put it on a UPS like it used to be)? :) > > Thanks for any thoughts... > > -Vinny > _______________________________________________ > 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/ _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
