Filter
Top Products
216 SNTP Commands
sntp client mode
sntp client mode
This command enables the Simple Network Time Protocol (SNTP) client, and optionally sets
the mode to either broadcast or unicast.
Syntax
sntp client mode [broadcast | unicast]
Use the no sntp client mode command to disable SNTP client mode.
Default
Disabled (No SNTP requests are sent from the client, nor are any received SNTP messages
processed.)
Mode
Global Config
sntp client port
This command sets the SNTP client port ID to a value from 1–65535.
Syntax
sntp client port portid [poll-interval]
Use the no sntp client port command to reset the SNTP client port to its default values.
Default
123
Usage
You can also set the poll interval for a unicast client with the sntp unicast client
poll-interval
command.
Mode
Global Config
Parameters
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.
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.
Parameters
portid
Specify the local UDP port to listen for responses/broadcasts. The allowed range is
(1 to 65535). Default value is 123.
poll-interval
Optionally, set the poll interval for the client in seconds, as a power of two, in the
range from 6 to 10. Default value is 6. This setting is true for both unicast and
broadcast poll requests. Broadcasts received prior to the expiry of this interval are
discarded.