Version Description9.2(1.0) Introduced on the Z9500.8.3.11.1 Introduced on the Z9000.8.4.1.0 Added IPv6 support.7.6.1.0 Introduced on the S-Series.7.5.1.0 Introduced on the C-Series.6.1.1.0 Introduced on the E-Series.Usage Information You can configure multiple time-serving hosts (up to 250). From these time-servinghosts, the system chooses one NTP host with which to synchronize. To determinewhich server was selected, use the show ntp associations command.Because many polls to NTP hosts can impact network performance, Dell Networkingrecommends limiting the number of hosts configured.RelatedCommandsshow ntp associations — displays the NTP servers configured and their status.ntp sourceSpecify an interface’s IP address to be included in the NTP packets.C9000 SeriesSyntax ntp source interfaceTo delete the configuration, use the no ntp source command.Parameters interface Enter the following keywords and slot/port or numberinformation:• For Loopback interfaces, enter the keyword loopbackthen a number from zero (0) to 16383.• For a Port Channel interface, enter the keyword lag then anumber. The range is from 1 to 128.• For a 10-Gigabit Ethernet interface, enter the keywordTenGigabitEthernet then the slot/port information.• For a 40-Gigabit Ethernet interface, enter the keywordfortyGigE then the slot/port information.• For VLAN interface, enter the keyword vlan then anumber from 1 to 4094.System Time and Date 2172
