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Time Protocols
SNTP: Viewing, Selecting, and Configuring
Enabling SNTP in Unicast Mode. Like broadcast mode, configuring SNTP
for unicast mode enables SNTP. However, for Unicast operation, you must
also specify the IPv4 or IPv6 address and priority (1 - 3) of at least one SNTP
server. The switch allows up to three unicast servers. You can use the Menu
interface or the CLI to configure one IPv4 server address or to replace an
existing IPv4 Unicast server address with another. To add an IPv6 server
address or any second or third server address, you must use the CLI. For more
on SNTP operation with multiple servers, refer to “SNTP Unicast Time Polling
with Multiple SNTP Servers” on page 9-25.
Syntax: timesync sntp
Selects SNTP as the time synchronization method.
Syntax: sntp unicast
Configures the SNTP mode for Unicast operation.
Syntax: sntp server priority < 1 - 3 > < ip-addr | ipv6-addr > [ 1 - 7 ]
Specifies the SNTP server address, server priority, and
(optionally) the server version. The priority setting (1-3)
specifies the order in which the configured servers are polled
for getting the time.The server version range is 1-7 and the
default is 3
.
Syntax: no sntp server < ip-addr | ipv6-addr >
Deletes the specified SNTP server.
Note Deleting an SNTP server when only one is configured disables SNTP unicast
operation.
For example, to select SNTP and configure it with unicast mode and an SNTP
server at 10.28.227.141 with a server priority of 2, default server version (3),
and default poll interval (720 seconds):
ProCurve(config)# timesync sntp
Selects SNTP.
ProCurve(config)# sntp unicast
Activates SNTP in Unicast mode.
ProCurve(config)# sntp server priority 2 10.28.227.141
Specifies the SNTP server with a priority of “2” and accepts the
current SNTP server version (default: 3).
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