NTP for callmanager

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Sep 21st, 2007
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I am going to use an external NTP for CCM cluster. Do I just need to change the xntp file on publisher server to point to external NTP or I have to edit all the servers in the cluster? Thanks

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ciscoforum Wed, 10/03/2007 - 04:46
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Cisco document didn't specify how the subs should be configured, pointing to pub or ntp. I see my customer's sub pointing to pub while pub pointing to ntp and works well. Can you find the specific link/doc talking about it's necessary that sub has to point to ext ntp too? Thanks

Rob Huffman Wed, 10/03/2007 - 05:05
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Hi CF,


The NTP config can just be set on the Publisher and then leave the Subs pointing at the Pub. This doc explains this in some detail (NTP for Pub and C:\WINNT\system32\net.exe time \\CCM /set /y for Subs) This is how we use NTP and it works perfectly;


How To Configure Time Synchronization for Cisco CallManager and Cisco Unity


http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_configuration_example09186a008009470f.shtml


Hope this helps!

Rob

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