NTP

Cisco Nov 23, 2024
  • Manages time-based passwords
  • Validates encrypted key exchanges
  • Validates Encryption Certificates
  • Provides correlation of security and network events

Three modes:

  • Client/Server
  • Multicast
  • Broadcast

UDP port 123

NTP synchronization can take a long time if there is a gap between the current clock and NTP

Stratum will always be the initial tie breaker

show clock

ntp master (1-15)
ntp server IP

show ntp associations
show ntp status
ntp peer IP
NTP Peers
NTP Peers

Tags

Craig Garnham

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