Perle Systems SCS8C DC User Manual
324
Management
NTP/SNTP Mode
The NTP/SNTP mode.
Data Options:
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
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.
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
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
Default: 4
Enable
Authentication
Sets NTP/SNTP server authentication on or off.
Default: 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
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.