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  1. time - Public NTP servers - Server Fault

    May 27, 2009 · To use them, configure a single ntp server on your network to synchronize to at least three, but no more than five, geographically diverse servers from the list.

  2. NTP Server IP Address ? - Cisco Community

    Apr 11, 2010 · Hi, I have configured a Cisco 6509 core switch as a NTP master and allowed all my access switches to get their time synchronised with the core switch. Now, I want to configure the …

  3. Access to NTP via IP which doesn't change often - Server Fault

    As an NTP Pool Server Operator, I'd kindly ask that if you can't allow NTP out to any IP address from you servers, then please set up an NTP server of your own, have that sync to the pool, and all your …

  4. Solved: NTP Master and NTP Server - Cisco Community

    May 20, 2023 · The problem is that even when i configure the windows server as an NTP server on the router, its still preferring to synchronize to its local NTP server on IP address 127.127.1.1, how can …

  5. Invalid NTP server or IP address error - Cisco Community

    Dec 8, 2016 · When I run the timesync command I got the following error: Invalid NTP server or IP address. Please enter the valid NTP server.

  6. Implementing Network Time Protocol (NTP) - Cisco Community

    Sep 19, 2024 · You can configure up to 64 NTP entities (servers and peers). If you configure NTP in a VRF, ensure that the NTP server and peers can reach each other through the configured VRFs If …

  7. Using DNS to resolve switch hostnames for NTP

    Sep 20, 2024 · Hello @TSJoe , it is possible to use names or FQDN to configure an NTP server but you shoud note the following: each device performs a DNS lookup to solve the DNS name to an IP …

  8. NTP Server via DHCP Server - Cisco Community

    May 3, 2012 · What if we have normal windows hosts getting IP address via a DHCP server which i a router?? It looks like adding "option 42 ip " under dhcp pool doesn't help as my host is still with its …

  9. Changing the NTP source in CUCM from CLI and other helpful …

    Apr 13, 2015 · Furthermore, if you want to delete the old NTP reference for whatever reason: “utils ntp server delete” Once you’re ready to go; you can manually restart the NTP service: Notice the old …

  10. Solved: AP Join issue with WLC9800 in AWS - Cisco Community

    Dec 2, 2024 · Set PnP NTP Server pnpntpserver.test.local. Could Not resolve NTP server IP address from hostname pnpntpserver.test.local. NTP server config: Wrong NTP server IP address format …