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Time Protocols
SNTP Unicast Time Polling with Multiple SNTP Servers
SNTP Unicast Time Polling with Multiple
SNTP Servers
When running SNTP unicast time polling as the time synchronization method,
the switch requests a time update from the server you configured with either
the Server Address parameter in the menu interface, or the primary server in
a list of up to three SNTP servers configured using the CLI. If the switch does
not receive a response from the primary server after three consecutive polling
intervals, the switch tries the next server (if any) in the list. If the switch tries
all servers in the list without success, it sends an error message to the Event
Log and reschedules to try the address list again after the configured Poll
Interval time has expired.
Displaying All SNTP Server Addresses Configured on
the Switch
The System Information screen in the menu interface displays only one SNTP
server address, even if the switch is configured for two or three servers. The
CLI show management command displays all configured SNTP servers on the
switch.
ProCurve(config)# show management
Status and Counters - Management Address Information
Time Server Address : fe80::215:60ff:fe7a:adc0%vlan10
Priority SNTP Server Address Protocol Version
1 2001:db8::215:60ff:fe79:8980 7
2 10.255.5.24 3
3 fe80::123%vlan10 3
Default Gateway : 10.0.9.80
VLAN Name MAC Address | IP Address
------------ ------------------- + -------------------
DEFAULT_VLAN 001279-88a100 | Disabled
VLAN10 001279-88a100 | 10.0.10.17
Figure 9-20. Example of How To List All SNTP Servers Configured on the Switch
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