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Management
NTP/SNTP Mode The NTP/SNTP mode.
Data Options:
z None—NTP/SNTP is turned off.
z Unicast—Sends a request packet periodically to the Primary host. If
communication with the Primary host fails, the request will be sent to the
Secondary host.
z Broadcast/Multicast—Listen for any broadcasts from an NTP/SNTP
server and then synchronizes its internal clock to the message.
z Manycast/Anycast—Sends a request packet as a broadcast on the LAN to
get a response from any NTP/SNTP server. The first response that is
received is used to synchronize its internal clock and then operates in
Unicast mode with that NTP/SNTP server.
Default: None
NTP/SNTP Version Version of NTP/SNTP.
Range: 1-4
Default: 4
Enable
Authentication
Sets NTP/SNTP server authentication on or off.
Default: Off
Key ID Specify the key id associated with this host. This key must exist in the ntp/sntp
(symmetric key) file that was downloaded to the IOLAN.
Valid key ID’s: 1-65534
(Note: the structure for the ntp/sntp (symmetric key) file can be found in your
IOLAN User’s Guide - Appendix L)
Primary Host The name of the primary NTP/SNTP server from the IOLAN host table. Valid
with
Unicast and Multicast modes, although in Multicast mode, the IOLAN
will only accept broadcasts from the specified host NTP/SNTP server.
Secondary Host The name of the secondary NTP/SNTP server from the IOLAN host table.
Valid with
Unicast and Multicast modes, although in Multicast mode, the
IOLAN will only accept broadcasts from the specified host NTP/SNTP server.