NTP and Daylight (Summer time)

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Mar 2nd, 2010
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I have a switch model 9509 with ntp protocol enabled, in the last daylight (summer time) the switch clock wasn't actualized by NTP. When I try to modify with the command "#set clock" appears a message that's not possible and that I’ve to disable NTP.

My 9509 is in production at this moment and would like to know the best practices to correct the clock without disruptive.

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mattkauffmann Fri, 03/05/2010 - 06:41
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If you have multiple switches you need to keep in sync you should probably be careful they don't get too far off from each other but removing the ntp server configuration from a switch so you can manually set the time is pretty simple and non-disruptive.


(config)# no ntp server ip.of.ntp.server

(config)# end

clock set xx:xx:xx 5 march 2010

are you not able to sync with your ntp source anymore?

Have you tried the ntp sync command?

ntp sync-retry


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