root@switch:~# vtysh switch# switch# show ntp status NTP is enabled NTP authentication is disabled Uptime: 137 second(s) switch# switch# show ntp associations ---------------------------------------------------------------------- ID NAME REMOTE VER KEYID REF-ID ST T LAST POLL REACH DELAY OFFSET JITTER ---------------------------------------------------------------------- ---------------------------------------------------------------------- switch(config)# ntp server ntp.linux-magazin.de switch(config)# switch(config)# exit switch# switch# show ntp associations ---------------------------------------------------------------------- ID NAME REMOTE VER KEYID REF-ID ST T LAST POLL REACH DELAY OFFSET JITTER ---------------------------------------------------------------------- 1 ntp.linux-magazin.de - 3 - - - - - - - - - - ----------------------------------------------------------------------