WebThere are a couple of things that could go wrong with NTP: NTP traffic filtered: access-lists could block NTP traffic. NTP Authentication issues: NTP supports authentication, client and server need to use the same settings. Time offset too high: When the time offset between client/server is too large it will take a very long time to synchronize. WebFeb 15, 2024 · debug ip packetコマンドとdebug ntp packetsコマンドの両方をイネーブルにすると、送受信されたパケットを確認でき、これらのパケットに対してNTPが動作していることを確認できます。. (debug ip packetで示されているように)受信したNTPパケットごとに、debug ntp ...
Configure and Troubleshoot NTP on CUCM and IM&P - Cisco
WebAug 12, 2024 · Refer to the exhibit. A network engineer is troubleshooting a NTP synchronized issue in CUCM. Why is NTP Unsynchronized? A. The NTP server used is a Windows based NTP server B. The IOS Command NTP server 172.25.140.151 version 3 is advertising NTPv3 C. The NTP server stratum is higher than four D. A firewall is blocking … WebApr 26, 2016 · But in the CUCM GUI I see "WARNING: NTP server unreachable. In the OS administration I see: 1.gr.pool.ntp.org The NTP server could not be contacted. ... Please note NTP does not go unsynchronized straightaway, it takes time hence the output you are getting on OS Admin is valid. BTW, if the IP address is working fine then why are you … incendies galice
Cisco Unified Communications Manager上的NTP故障排除
WebSep 9, 2009 · Another thing is that if your system clock is too far off, NTP won't synchronize it -- try setting the clock with ntpdate and one of the pool servers (just in case 10.2.29.26 isn't serving you, then start the daemon. Hope this helps some. Code: # … WebOct 18, 2024 · TIP: If you see the IM&P send NTP requests in the pcap; however, there are no NTP responses and a network issue is possibly the cause. Simulteneously gather a pcap on the CUCM server and the IM&P server to confirm the requests sent from IM&P are received on the CUCM side. Confirm CUCM is replies to the requests as well. WebNTP Polling Mechanism in UC Products CUCM uses the NTP watchdog in order to keep the time synchronized with the NTP server. The NTP Watchdog periodically polls configured external NTP server(s) and restarts NTP if the time is offset by more than three seconds. The NTP daemon regularly corrects time, but on a millisecond time scale. A restart of NTP incoherence define