Parameter Description
When set to 0, the DHCP lease renewal is disabled. Otherwise, the
renewal time is divided by this factor. Some DHCP-enabled routers
perform better when set to 4.
Note: For this parameter to take effect, a device reset is required.
[DHCPRequestTFTPParams]
Determines whether the device includes DHCP options 66 and 67 in
DHCP Option 55 (Parameter Request List) for requesting the DHCP
server for TFTP provisioning parameters.
 [0] = (Default) Disable
 [1] = Enable
Note: For this parameter to take effect, a device reset is required.
43.1.9 NTP and Daylight Saving Time Parameters
The Network Time Protocol (NTP) and daylight saving time parameters are described in
the table below.
Table 43-9: NTP and Daylight Saving Time Parameters
Parameter Description
NTP Parameters
Note: For more information on Network Time Protocol (NTP), see 'Simple Network Time Protocol
Support' on page 99.
Web: NTP Server IP Address
EMS: Server IP Address
[NTPServerIP]
Defines the IP address (in dotted-decimal notation or as an FQDN)
of the NTP server. The advantage of using an FQDN is that multiple
IP addresses can be resolved from the DNS server, providing NTP
server redundancy.
The default IP address is 0.0.0.0 (i.e., internal NTP client is
disabled).
Web: NTP Secondary Server
IP
[NTPSecondaryServerIP]
Defines a second NTP server's address as an FQDN or an IP
address (in dotted-decimal notation). This NTP is used for
redundancy; if the primary NTP server fails, then this NTP server is
used.
The default IP address is 0.0.0.0.
Web: NTP UTC Offset
EMS: UTC Offset
[NTPServerUTCOffset]
Defines the Universal Time Coordinate (UTC) offset (in seconds)
from the NTP server.
The default offset is 0. The offset range is -43200 to 43200.
Web: NTP Update Interval
EMS: Update Interval
[NTPUpdateInterval]
Defines the time interval (in seconds) that the NTP client requests
for a time update.
The default interval is 86400 (i.e., 24 hours). The range is 0 to
214783647.
Note: It is not recommend to set this parameter to beyond one
month (i.e., 2592000 seconds).
Daylight Saving Time Parameters
Web: Day Light Saving Time
EMS: Mode
[DayLightSavingTimeEnable]
Enables daylight saving time.
 [0] Disable (default)
 [1] Enable
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