Installation guide

Switch Services
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2. Select the NTP Associations tab.
3. Refer to the following SNTP Association data for each SNTP association displayed:
Address Displays the numeric IP address of the SNTP resource (Server)
providing SNTP updates to the switch.
Reference Clock Displays the address of the time source the switch is synchronized
with.
Stratum Displays how many hops the switch is from a SNTP time source.
The switch automatically chooses the SNTP resource with the
lowest stratum. The SNTP supported switch is careful to avoid
synchronizing to a server that may not be accurate. Thus, the NTP
enabled switch never synchronizes to a machine not synchronized
itself. The SNTP enabled switch compares the time reported by
several sources, and does not synchronize to a time source whose
time is significantly different than others, even if its stratum is
lower.
When Displays the date and time when the SNTP association was
initiated. Has the association been trouble free over that time?
Peer Poll Displays the maximum interval between successive messages, in
seconds to the nearest power of two.
Reach Displays the status of the last eight SNTP messages. If an SNTP
packet is lost, the lost packet is tracked over the next eight SNTP
messages.
Delay (sec) Displays the round-trip delay (in seconds) for SNTP broadcasts
between the SNTP server and the switch.