User Manual

Configure System Information
40
M4100 Series Managed Switch
• Routing loopback interface
By default, VLAN 1 is used as the source interface.
12. Use Unicast Poll Interval to specify 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.
13. Use Broadcast Poll Interval to specify the number of seconds between broadcast poll
requests expressed as a power of two 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.
14. Use Unicast Poll Timeout to specify 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.
15. Use Unicast Poll Retry to specify 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.
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), that is the same as
Greenwich Mean Time (GMT). This cannot be the time zone in which the switch is
located.
16. Use Time Zone Name to specify the time zone name.
The time zone can affect the display of the current system time. The default value is UTC.
17. Use Offset Hours to specify the number of hours difference from UTC. You can configure a
time zone specifying the number of offset hours and optionally the number of offset minutes
that the switch’s time zone is different from UTC.
The allowed range is -24 to 24. The default value is 0.
18. Use Offset Minutes to specify the number of minutes that the switch’s time zone is different
from UTC.
The allowed range is 0 to 59. The default value is 0.
View the SNTP Global Status
 To view the SNTP global status:
1. Prepare your computer with a static IP address in the 169.254.100.0 subnet, for
example, 169.254.100.201.
2. Connect an Ethernet cable from an Ethernet port on your computer to an Ethernet port on
the switch.
3. Launch a web browser.