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Setting the date and time
2.
Enter configure terminal to change to global configuration mode
device# configure terminal
Entering configuration mode terminal
3.
Enter the ntp server IPv4 address command, where IPv4 address is the IP address of the first NTP server in IPv4 format,
which the device must be able to access. The IPv4 address variable is optional. By default, this value is LOCL, which uses the
local clock of the principal switch as the clock server.
device(config)# ntp server "132.163.135.131"
To display the NTP server IP address, use the show ntp status rbridge-id rbridge-id|all command. If you are in global
configuration mode, you must enter do before the show command.
device(config)# show ntp status rbridge-id 1
The request is for the local RBridge unless an RBridge ID is specified.
If you need to remove an NTP server, use the no form of the ntp server command.
device(config)# no ntp server "132.163.135.131"
Setting the clock (date and time) manually
You should set the clock only if there are no NTP servers configured. Time synchronization from NTP servers overrides the local clock.
Date values are limited to between January 1, 1970 and January 19, 2038.
1.
Log in to the device using the admin account.
2.
Enter the clock set CCYY-MM-DDTHH:MM:SS command while in privileged EXEC mode.
The following example sets the clock to March 17, 2010, 15 minutes past noon:
device# clock set 2010-03-17T12:15:00
3.
To show the clock and time zone settings, use the show clock rbridge-id rbridge-id|allcommand.
device# show clock
rbridge-id 1: 2012-03-17 12:15:00 America/Los_Angeles
Setting the time zone
You must perform this procedure on all devices for which the time zone must be set. However, you only need to set the time zone once
on each device, because the value is written to nonvolatile memory. While not necessary for device operation, setting a time zone is part
of ensuring accurate logging and audit tracking. Time zone changes take effect after a reboot.
Use the clock timezone command to set the time zone.
1.
Log into the device using an account that has the admin role.
2.
Enter the clock timezone region/city command.
The following example changes the time zone to US/Pacific Standard Time:
device# clock timezone America/Los_Angeles
3.
Reboot the device.
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ExtremeSwitching VDX 6740 Hardware Installation Guide
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