• hostname : Enter the keyword hostname to see the IP address or host name of the remotedevice.• ipv4-address : Enter an IPv4 address in dotted decimal format (A.B.C.D).• ipv6-address : Enter an IPv6 address in the format0000:0000:0000:0000:0000:0000:0000:0000. Elision of zeros is supported.• key keyid : Configure a text string as the key exchanged between the NTP server and theclient.• prefer: Enter the keyword prefer to set this NTP server as the preferred server.• version number : Enter a number as the NTP version. The range is from 1 to 4.5 Configure an NTP master .CONFIGURATION modentp master To configure the ntp master enter the stratum number to identify the NTP Server’s hierarchy.Examples of Configuring and Viewing an NTP ConfigurationThe following example shows configuring an NTP server.R6_E300(conf)#1w6d23h : NTP: xmit packet to 192.168.1.1:leap 0, mode 3, version 3, stratum 2, ppoll 1024rtdel 0219 (8.193970), rtdsp AF928 (10973.266602), refid C0A80101 (192.168.1.1)ref CD7F4F63.6BE8F000 (14:51:15.421 UTC Thu Apr 2 2009)org CD7F4F63.68000000 (14:51:15.406 UTC Thu Apr 2 2009)rec CD7F4F63.6BE8F000 (14:51:15.421 UTC Thu Apr 2 2009)xmt CD7F5368.D0535000 (15:8:24.813 UTC Thu Apr 2 2009)1w6d23h : NTP: rcv packet from 192.168.1.1leap 0, mode 4, version 3, stratum 1, ppoll 1024rtdel 0000 (0.000000), rtdsp AF587 (10959.090820), refid 4C4F434C (76.79.67.76)ref CD7E14FD.43F7CED9 (16:29:49.265 UTC Wed Apr 1 2009)org CD7F5368.D0535000 (15:8:24.813 UTC Thu Apr 2 2009)rec CD7F5368.D0000000 (15:8:24.812 UTC Thu Apr 2 2009)xmt CD7F5368.D0000000 (15:8:24.812 UTC Thu Apr 2 2009)inp CD7F5368.D1974000 (15:8:24.818 UTC Thu Apr 2 2009)rtdel-root delayrtdsp - round trip dispersionrefid - reference idorg -rec - (last?) receive timestampxmt - transmit timestampmode - 3 client, 4 serverstratum - 1 primary reference clock, 2 secondary reference clock (via NTP)version - NTP version 3leap -System Time and Date 1108
