User Manual

•
Routing VLAN: The primary IP address of a VLAN routing interface is used as the
source address.
•
Routing loopback interface: The primary IP address of a routing loopback
interface is used as the source address.
•
Tunnel interface: The IPv6 tunnel interface.
• Service port: The management port source IP address is used as the source
address.
By default VLAN 1 is used as the source interface.
10.
In the Unicast Poll Interval field, specify the number of seconds between unicast
poll requests expressed as a power of 2. to The range is from 6 to 10. The default is
6.
11.
In the Broadcast Poll Interval field, specify the number of seconds between
broadcast poll requests expressed as a power of 2.
Broadcasts received prior to the expiry of this interval are discarded. The range is
from 6 to 10. The default is 6.
12.
In the Unicast Poll Timeout field, specify the number of seconds to wait for an SNTP
response to a unicast poll request.
The range is from 1 to 30. The default is 5.
13.
In the Unicast Poll Retry field, specify the number of times to retry a unicast poll
request to an SNTP server after the first time-out before the switch attempts to use
the next configured server.
The range is from 0 to 10. The default is 1.
14.
In the Time Zone Name field, specify a time zone.
In the Offset Hours and Offset Minutes fields, you can also specify the number of
hours and number of minutes that the time zone is different from the Coordinated
Universal Time (UTC). The time zone can affect the display of the current system
time.
Note: When you use an SNTP or NTP time server, the time data that is received from
the server is based on the UTC, which is the same as Greenwich Mean Time (GMT).
This might not be the time zone in which the switch is located.
15.
In the Offset Hours field, specify the number of hours that the time zone is different
from UTC.
The range is from -12 to 14. The default is 0.
16.
In the Offset Minutes field, specify the number of minutes that the time zone is
different from UTC.
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AV Line of Fully Managed Switches M4250 Series Main User Manual