Dell Force10 S4820T FTOS Command Reference Guide - Page 1486

www.dell.com | support.dell.com Command History Version 8.3.19.0 Version 8.4.1.0 Version 8.3.7.0 pre-Version 6.1.1.0 Introduced on S4820T Added support for IPv6 multicast addresses. Introduced on S4810 Introduced for E-Series ntp server c e s Configure an NTP time-serving host. Syntax ntp server {hostname | ipv4-address | ipv6-address} [key keyid] [prefer] [version number] Parameters ipv4-address | ipv6-address hostname key keyid prefer version number Enter an IPv4 address (A.B.C.D) or IPv6 address (X:X:X:X::X). Enter the hostname of the server. (OPTIONAL) Enter the keyword key and a number as the NTP peer key. Range: 1 to 4294967295 (OPTIONAL) Enter the keyword prefer to indicate that this peer has priority over other servers. (OPTIONAL) Enter the keyword version and a number to correspond to the NTP version used on the server. Range: 1 to 3 Defaults Not configured. Command Modes CONFIGURATION Command History Version 8.4.1.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.1.1.0 Added IPv6 support. Support added for S-Series Support added for C-Series Introduced for E-Series Usage Information You can configure multiple time serving hosts (up to 250). From these time serving hosts, the FTOS will choose one NTP host with which to synchronize. Use the show ntp associations to determine which server was selected. Since a large number of polls to NTP hosts can impact network performance, Dell Force10 recommends that you limit the number of hosts configured. Related Commands show ntp associations Displays NTP servers configured and their status. ntp source c e s Specify an interface's IP address to be included in the NTP packets. 1486 | System Time and Date