C
HAPTER
20
| System Management Commands
Time
– 755 –
COMMAND USAGE
â—† The SNTP and NTP clients cannot be enabled at the same time. First
disable the SNTP client before using this command.
â—† The time acquired from time servers is used to record accurate dates
and times for log events. Without NTP, the switch only records the time
starting from the factory default set at the last bootup (i.e., 00:00:00,
Jan. 1, 2001).
â—† This command enables client time requests to time servers specified via
the ntp servers command. It issues time synchronization requests
based on the interval set via the ntp poll command.
EXAMPLE
Console(config)#ntp client
Console(config)#
RELATED COMMANDS
sntp client (750)
ntp server (755)
ntp server This command sets the IP addresses of the servers to which NTP time
requests are issued. 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: 1-65535)
DEFAULT SETTING
Version number: 3
COMMAND MODE
Global Configuration
COMMAND USAGE
â—† This command specifies time servers that the switch will poll for time
updates when set to NTP client mode. It issues time synchronization
requests based on the interval set with the ntp poll command. 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.
â—† You can configure up to 50 NTP servers on the switch. Re-enter this
command for each server you want to configure.
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