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Cisco Employee

cucm 8.5 ntp error..please help me..

I'm installing cucm 8.5.

One step ask me to input NTP server, but none of NTP server works.

I noticed one solution that require a router serve as NTP server.But how should I configure the router?

1 ACCEPTED SOLUTION

Accepted Solutions
VIP Super Bronze

cucm 8.5 ntp error..please help me..

Also be sure sure that whatever source you point the router to is a real NTP server, not SNTP which is what Windows uses. SNTP is a stripped-down implementation of NTP; IOS routers and Linux servers will not syncronize to SNTP sources.

Most customers have CUCM pointing to a router or two. These in turn are peered and syncronize from an NTP server on the internet.

2 REPLIES
Cisco Employee

cucm 8.5 ntp error..please help me..

below is the link i foudn on google to configure NTP on router

http://oreilly.com/catalog/hardcisco/chapter/ch10.html

thanks,

Vipul Jindal

please rate if it helps!!

VIP Super Bronze

cucm 8.5 ntp error..please help me..

Also be sure sure that whatever source you point the router to is a real NTP server, not SNTP which is what Windows uses. SNTP is a stripped-down implementation of NTP; IOS routers and Linux servers will not syncronize to SNTP sources.

Most customers have CUCM pointing to a router or two. These in turn are peered and syncronize from an NTP server on the internet.

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