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8.2.1.11 Configuring SNTP
Configuring SNTP Global Configuration Page
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.