User guide
Chapter 3 - VMS Configuration 3-9
VMS Network Configuration
8. The Force Multicast Port Restart check box provides the option to reset
the port used by the VMS server for multicast transmissions. This action is
recommended whenever the Local VMS Address or base port setting is
changed, especially for servers that have multiple NICs.
Activate the check box, then click on the Apply button to execute the restart.
9. The Legacy Broadcast Mode check box provides support for the previous
method of sending the active management IP address message using an
acknowledged multi-command packet. This message updates the Managing
IP Address field in all listening modems set to receive the management
multicast message. The message interval is defaulted to send an update every
15 seconds. See Timeouts tab for timer interval setting.
If all modems are running CDM-570/570L, CDD-564/564L–v1.5.4, SLM-
5650A–v1.3.2 or greater, uncheck this box to use the unsolicited message
type.
10. Select the Timeouts tab shown in figure 3-8. The default timer settings are
adjustable to accomodate communications that require additional time
because of network congestion.
Figure 3-8
Vipersat Manager, Timeouts tab
11. The Heartbeat timer values sets the Interval, Timeout and Debounce of
hub device redundancy messaging. The Interval of 2.5 seconds updates the
modem to send it’s heartbeat message to the VMS at set rate. The Timeout