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4.2.12 SNTP
4.2.12.1 Global Configuration
Configurable Data
Client Mode - Specifies the mode of operation of SNTP Client. An SNTP client may operate in one of the following
。
modes.
•
Disable- SNTP is not operational. No SNTP requests are sent from the client nor are any received SNTP
messages processed.
•
Unicast- SNTP operates in a point to point fashion. A unicast client sends a request to a designated server at its
unicast address and expects a reply from which it can determine the time and, optionally the round-trip delay and
local clock offset relative to the server.
•
Broadcast - SNTP operates in the same manner as multicast mode but uses a local broadcast address instead of
a multicast address. The broadcast address has a single subnet scope while a multicast address has Internet
wide scope.
Default value is Disable.
Port - Specifies the local UDP port to listen for responses/broadcasts. Allowed range is (1 to 65535). Default value is
。
123.
Unicast Poll Interval - Specifies the number of seconds between unicast poll requests expressed as a power of two
。
when configured in unicast mode. Allowed range is (6 to 10). Default value is 6.
Broadcast Poll Interval - Specifies 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.
Allowed range is (6 to 10). Default value is 6.
Unicast Poll Timeout - Specifies the number of seconds to wait for an SNTP response when configured in unicast
。
mode. Allowed range is (1 to 30). Default value is 5.
Figure 4-2-59 SNTP Global Configuration
91
User's Manual of WGS3-2820/WGS3-5220
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