User Manual

M4300 Intelligent Edge Series Fully Managed Stackable Switches
Configure System Information User Manual67
The default value is Unicast.
6. In the Port field, specify the local UDP port that the SNTP client receives server packets on.
The allowed range is 1025 to 65535 and the value 123. The default value is 123. When
the default value is configured, the actual client port value used in SNTP packets is
assigned by the operating system.
7. Select the Source Interface to use for the SNTP client.
Possible values are as follows:
• None
• VLAN 1
• Routing interface
• Routing VLAN
• Routing loopback interface
• T
unnel interface
• Service port
By default VLAN 1 is used as the source interface.
8. Specify the Unicast Poll Interval.
This is the number of seconds between unicast poll requests expressed as a power of
two when configured in unicast mode.
The allowed range is 6 to 10. The default value is
6.
9. Specify the Broadcast Poll Interval.
This is the number of seconds between broadcast poll requests expressed as a power of
2 when configured in broadcast mode. Broadcasts received prior to the expiry of this
interval are discarded.
The allowed range is 6 to 10. The default value is 6.
10. Specify the Unicast Poll T
imeout.
This is the number of seconds to wait for an SNTP response when configured in unicast
mode.
The allowed range is 1 to 30. The default value is 5.
11. Specify the Unicast Poll Retry.
This is the number of times to retry a request to an SNTP server after the first time-out
before attempting to use the next configured server when configured in unicast mode.
The allowed range is 0 to 10.
The default value is 1.
12. Use the T
ime Zone Name field to configure a time zone specifying the number of hours
and, optionally, the number of minutes difference from UTC with Offset Hours and Offset
Minutes.
The time zone can affect the display of the current system time. The default value is UTC.
When using SNTP/NTP time servers to update the switch's clock, the time data received
from the server is based on Coordinated Universal
Time (UTC), which is the same as
Greenwich Mean Time (GMT). This might not be the time zone in which the switch is
located.