ECS4100 Series CLI Reference Guide-R07

Chapter 4 | System Management Commands
Time
– 171 –
◆ This command enables client time requests to time servers specified via the
ntp servers command. Once enabled the switch will issue time
synchronization requests periodically.
Example
Console(config)#ntp client
Console(config)#
Related Commands
sntp client (166)
ntp server (171)
ntp server This command sets the IP addresses of the servers to which NTP time requests are
sent to. Use the no form of the command to clear a specific time server or all servers
from the current list.
Syntax
ntp server ip-address [key key-number]
no ntp server [ip-address]
ip-address - IP address of an NTP time server.
key-number - The number of an authentication key to use in
communications with the server. (Range: 1-65533)
Default Setting
Version number: 3
Command Mode
Global Configuration
Command Usage
◆ This command specifies time servers that the switch will poll for time updates
when set to NTP client mode. The client will poll all the time servers configured,
the responses received are filtered and compared to determine the most
reliable and accurate time update for the switch.
◆ You can configure up to 3 NTP servers on the switch. Re-enter this command
for each server you want to configure.
◆ NTP authentication is optional. If enabled with the ntp authenticate
command, you must also configure at least one key number using the ntp
authentication-key command.
◆ Use the no form of this command without an argument to clear all configured
servers in the list.