3Com 3CRUS2475 24, Command Reference Manual

Page: 153 / 522

sntp authentication-key 153
User Guidelines
In both the date and recurring forms of the command, the first part of
the command specifies when summer time begins, and the second part
specifies when it ends. All times are relative to the local time zone. The
start time is relative to standard time. The end time is relative to summer
time. If the starting month is chronologically after the ending month, the
system assumes that you are in the southern hemisphere.
USA rule for daylight savings time:
■
Start: First Sunday in April
■
End: Last Sunday in October
■
Time: 2 am local time
EU rule for daylight savings time:
■
Start: Last Sunday in March
■
End: Last Sunday in October
■
Time: 1.00 am (01:00)
Example
The following example sets summer time starting on the first Sunday in
April at 2 am and finishing on the last Sunday in October at 2 am.
sntp
authentication-key
The sntp authentication-key Global Configuration mode command
defines an authentication key for Simple Network Time Protocol (SNTP).
To remove the authentication key for SNTP, use the
no form of this
command.
Syntax
sntp authentication-key number md5 value
no sntp authentication-key number
Parameters
■
number — Key number (Range: 1-4294967295)
Console(config)# clock summer-time recurring first sun apr 2:00
last sun oct 2:00