I have set up ntp on my 6509's and they are retrieving time from the atomic clocks on the internet. I am now tring to synchronize one of my 4000's from the 6509's, but it won't update. the config is as follows:
ntp source Vlan248
ntp server 10.235.251.202
ntp server 10.235.251.201
The associations are as follows:
address ref clock st when poll reach delay offset disp
The switch is running Cat OS but the msfc is running IOS. Your post caused me to look in a new direction. I set up ntp on the msfc and set it to be master. I then changed the config in the 4000 to get the time from the msfc and it synchronized.
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