administration.fm
A31003-S2010-M100-18-76A9
OpenStage HFA Family, Administration Manual
3-33
Administration
System Settings
3.5.5 Redundancy
This section controls the switching between main HFA server and standby HFA server.
If Small remote side redundancy is activated, the phone willl switch over to the standby HFA
server in case the connection to the main server ist lost. By default, this is disabled.
When Auto switch back is activated, the phone will switch back to the main server as soon as
the connection is re-established. By default, this is disabled.
Retry count main sets the number of trials to establish a connection to the main server before
the phone switches over to the standby server. The default is 1.
The Timeout main parameter determines the time interval between the last try to get a con-
nection to the main server and the establishing of a connection to the standby server. The de-
fault is 30.
Retry Count Standby: Sets the number of trials to establish a connection to the standby server
before the phone switches back to the main server. The default is 3.
• Timeout Standby: Timeout between two "Retry count standby". The default is 30.
• Timeout main: Timeout between two "Retry count main" The default is 30.
• TC test retry: TC_Test retry determines the count of how many successfull TC_Tests the
Main system need to answer before the phone switches back, if Auto switchback is en-
abled. The default is 3.
• TC Test Expiry: Determines how long the Previous connection needs to timeout to actually
trigger any further SRSR activities.
How much time to wait from one unsuccessfull Retry count main sequence until the next
happens and in which interval the phone will send itself a TC_Test message (in idle mode).
The default is 30.
Lowering this value will significantly increase network load but the phone might detect fail-
ures faster but at an increased risk of false positive detections due to short time network
outage.
After a change of the timeing values the SRSR need to be deactivated and re-activated again
to take effect!
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