7210 SAS-MXP, R6, R12, S, SX, T BASIC SYSTEM
CONFIGURATION GUIDE RELEASE 22.9.R1
System management
6.14.1.3.2 Summer time conditions
The config>system>time>dst-zone context configures the start and end dates and offset for summer
time or daylight savings time to override system defaults or for user-defined time zones.
When configured, the time is adjusted by adding the configured offset when summer time starts and
subtracting the configured offset when summer time ends.
Use the following CLI syntax to configure daylight savings time.
— config>system>time
— dst-zone zone-name
— end {end-week} {end-day} {end-month} [hours-minutes]
— offset offset
— start {start-week} {start-day} {start-month} [hours-minutes]
The following example shows the command usage to configure daylight savings time.
Example:
— config>system# time
config>system>time# dst-zone pt
config>system>time>dst-zone# start second sunday april 02:00
end first sunday october 02:00
config>system>time>dst-zone# offset 0
If the time zone configured is listed in Table 40: System-defined time zones , the starting and ending
parameters and offset do not need to be configured with this command unless there is a need to override
the system defaults. The command will return an error if the start and ending dates and times are not
available either in Table 40: System-defined time zones or entered as optional parameters in this
command.
The following is a sample output for the configured parameters.
A:ALA-48>config>system>time>dst-zone# info
----------------------------------------------
start second sunday april 02:00
end first sunday october 02:00
offset 0
----------------------------------------------
A:ALA-48>config>system>time>dst-zone# offset 0
6.14.1.3.3 NTP
Network Time Protocol (NTP) is defined in RFC 1305, Network Time Protocol (Version 3) Specification,
Implementation and Analysis. It enables participating network nodes to keep time more accurately and
maintain time in a synchronized manner between all participating network nodes.
NTP time elements include: Authentication-check, Authentication-key, Broadcast, Broadcastclient, NTP-
server, Peer, and Server.
6.14.1.3.3.1 Authentication-check
The authentication-check command provides the option to skip the rejection of NTP PDUs that do
not match the authentication key or authentication type requirements. The default behavior when
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