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12 sntp – PLANET WGS3-24000 User Manual

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4.2.12 SNTP

4.2.12.1 Global Configuration

Figure 4-2-59

SNTP 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.

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