In order to display the status of the NTP peers, issue the show ntp peer-statuscommand
switch#show ntp peer-status Total peers : 1 * - selected for sync, + - peer mode(attivo), - - peer mode(passivo), = - polled in client mode remote local st poll reach delay vrf ------------------------------------------------------------------------------- *10.1.10.5 0.0.0.0 1 64 377 0.00134 predefinito