I would try using the same IOS version as the working one and see if it synchronizes (understand that might not be possible), that would tell you if it is hardware or software. A bad clock crystal or capacitor will definitely cause problems but it could just be software.
Mack -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Peter Rathlev Sent: Tuesday, June 29, 2010 4:48 PM To: Matthew Huff Cc: '[email protected]' Subject: Re: [c-nsp] NTP synchronization problems C2801 On Tue, 2010-06-29 at 18:37 -0400, Matthew Huff wrote: > You need 3, preferably 4 NTP sources so that clients will work > correctly. If you have 2, how does it know which one is a better > source of time? 3 gives you a quorum, but if 1 fails, then you are > back to 2. Four is the magic number. > > Since you have 2 setup as strata 1, setup two boxes that use ntp > sources on the internet as stratum 2 devices. Then set your cisco > boxes to the 4 clients. That should make them more stable. Though I tend to agree with the gist of that, I think the arguments are irrelevant to my problem. The two sources are reachable (377 all the time) and they agree to within acceptable error. Thus I don't need a quorum. (I don't care about the failure scenario here.) If both devices were the same I would just shrug and think the C2801 wasn't up to the job. But I have one device with no problems and another acting up. Why is that? :-) -- Peter _______________________________________________ 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/
