Configure cisco router as ntp server and client - YouTube
Learn how to configure NTP Server and NTP Client on cisco Router – Learn Linux CCNA CCNP CEH CISSP CISA Penetration-Testing Bug Bounty IPv6 Cyber-Security Network-Security Online
NTP Basics | mrn-cciew
Network Time Protocol (NTP) on Cisco Routers « Change of life? It begins from within!
Learn how to configure NTP Server and NTP Client on cisco Router – Learn Linux CCNA CCNP CEH CISSP CISA Penetration-Testing Bug Bounty IPv6 Cyber-Security Network-Security Online