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• Receive Anycast Servers Updates -- Polls the SNTP server for Anycast server time information, when
enabled. If both the Receive Anycast Servers Update, and the Receive Broadcast Servers Update fields are
enabled, the system time is set according the Anycast server time information.
• Receive Unicast Servers Updates -- Polls the SNTP server for Unicast server time information, when enabled.
If the Receive Broadcast Servers Updates, Receive Anycast Servers Updates, and the Receive Unicast
Servers Updates fields are all enabled, the system time is set according the Unicast server time information.
• Poll Unicast Servers -- Sends SNTP Unicast forwarding information to the SNTP server, when enabled.
SNTP Authentication
The SNTP Authentication page enables SNTP authentication between the device and an SNTP server. The means by
which the SNTP server is authenticated is also selected in the SNTP Authentication page.
To open SNTP Authentication screen perform the folling:
1.
Click System -> SNTP -> Authentication
2.
The SNTP Authentication screen is displayed as in Figure 3-20.
The page includes the following fields:
• SNTP Authentication -- Enables authenticating an SNTP session between the device and an SNTP server,
when enabled.
• Encryption Key ID -- Defines the Key Identification used to authenticate the SNTP server and device. The field
value is up to 4294967295 characters.
• Authentication Key (1-8 Characters) -- The key used for authentication.
• Trusted Key -- The Encryption Key elected to authenticate the SNTP server.
• Remove -- Removes the selected ID key. Keys are removed one by one and not grouped for removal with other
keys.
SNTP Servers
The SNTP Servers page contains information for enabling SNTP servers, as well as adding new SNTP servers. In
addition, the SNTP Servers page enables the device to request and accept SNTP traffic from a server.
To open SNTP Servers screen perform the folling:
Figure 3-20 SNTP Authentication screen
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