Reference Guide

Time and Network Time Protocol (NTP) | 1439
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
ntp source
c e s
Specify an interface’s IP address to be included in the NTP packets.
Syntax
ntp source interface
To delete the configuration, enter no ntp source.
Parameters
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
ntp trusted-key
c e s
Set a key to authenticate the system to which NTP will synchronize.
Syntax
ntp trusted-key number
To delete the key, use the no ntp trusted-key number command.
Parameters
Defaults
Not configured.
show ntp associations Displays NTP servers configured and their status.
interface
Enter the following keywords and slot/port or number information:
• For an 100/1000 Ethernet interface, enter the keyword
GigabitEthernet followed
by the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by
the slot/port information.
• For Loopback interfaces, enter the keyword
loopback followed by a number from
zero (0) to 16383.
• For a Port Channel interface, enter the keyword
lag followed by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1to 255 for TeraScale
• For SONET interface types, enter the keyword
sonet followed by the slot/port
information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet
followed by the slot/port information.
• For VLAN interface, enter the keyword
vlan followed by a number from 1 to 4094.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series
number
Enter a number as the trusted key ID.
Range: 1 to 4294967295.