Broadcast Mode - Symmetricom SSU-2000 User Manual

Broadcast Mode

If a broadcast address mask other than 255.255.255.255 (default) is assigned AND
a broadcast timer other that 0 (default) is set, then the unit will send NTP time
broadcasts to all devices within the subnet defined by the mask, at the designated
time interval (600 to 86400 seconds). The LI and STR fields will be set as described
in the server mode above.
If a broadcast client address other than 0.0.0.0 (default) is assigned, then the unit
will listen for NTP broadcast from that address, and set time accordingly on receipt
of the broadcast.
The ICS commands for setting up NTP are described as follows:
Command:
Use this command to provide access to the NTP in the unit. It can run as a server
application, a client application, or in a broadcast mode. The client and broadcast
modes are enabled independently by assigning an address and setting a timer.
Operation:
Level 0:
Level 1:
Level 2:
Level 3:
12713020-002-2 Revision D – April 2004
NTP
N/A
NTP
Displays the NTP data: root delay, root dispersion, peer delay, peer
dispersion, and peer offset.
Same as level 1 operation.
NTP ADDPEER {CLIENT| BROADCAST| BCLIENT} ip_dotted_address
NTP DELPEER ip_dotted_address
NTP CLRALL
NTP BTIMER {32|64|128|256|512|1024}
Options are:
: Add NTP peers (servers) to enable broadcast or client
ADDPEER
mode
: The IP address for the NTP server in client mode
CLIENT
The subnet mask for broadcasting mode
BROADCAST:
The IP for NTP server in broadcast client mode
BCLIENT:
Remove NTP servers from the peer table
DELPEER:
Clear all the NTP peer addresses in the unit
CLRALL:
NTP Support
SSU-2000 User's Guide 383