NTP
ネットワーク経由で時刻同期を行うサーバクライアント型のプロトコル
Ciscoデバイスでの時刻同期状況の確認
code:cisco
edge-sw01#show ntp ? # IOS
associations NTP associations
config NTP server/peer configs
information NTP Information
packets NTP Packet statistics
status NTP status
dist-sw01# show ntp ? # NX-OS
access-groups Display NTP access groups
authentication-keys Display authentication keys
authentication-status NTP Authentication Status
information Show ntp information
internal NTP internal info
logging-status Display NTP logging status
peer-status Show the status for all the server/peers
peers Show all the peers.
rts-update Show if the RTS update is enabled
session Show the session information
source Source IP address configured
source-interface Source interface configured
statistics Show the NTP statistics
status Show the NTP distribution status
trusted-keys Display trusted keys