Reference Guide

System Time and Date | 1487
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.
Command Modes
CONFIGURATION
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 a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by
the slot/port information.
• For VLAN interface, enter the keyword
vlan followed by a number from 1 to
4094.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
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.