Demand test descriptions and error codes - Avaya Support

NR-REG (Network Region Registrations)
MO Name in Log Alarm
Level
The NR-REG maintenance object generates alarms when:
NR-REG (Network Region Registrations)
Initial Command to Run Full Name of MO
NR-REG MIN none Network Region
Registrations
WRN enable nr-registration
network-region
● there has been hyperactive registration of gateways within a network region
● registration from media gateways and IP phones is being denied because the disable
nr-registration network-region command was executed.
It is assumed that an LSP is provided for the network region and that the gateways and IP
phones will register with the LSP based on the primary search list for gateways and the
alternate gatekeeper list for IP phones.
NR-REG alarms will only be generated if hyperactive link bounce detection is enabled on the
system-parameters ip-options screen. Registration will be denied only if the disable
nr-registration network-region command is entered from the SAT.
The hyperactive NR-REG alarms and the associated disable/enable nr-registration
network-region commands should only be used for situations where IP network problems
cause media gateways and IP phones to repeatedly register and unregister to a server at a rate
that is too fast for the normal link bounce strategy to cause the gateways and phones to fail over
to an LSP.
The system detects hyperactivity by monitoring the number of link down failures reported to the
MED-GTWY maintenance object. When enough link down failures are detected within the
administered time frame, an alarm is raised against the offending media gateway. Using this
data, a percentage of hyperactive media gateways is calculated and checked against the
administered system-wide limit. If the limit is exceeded, a minor alarm is generated for the
network region. The system does not try to recover from hyperactivity. It only generates an
alarm.
If a certain period of time passes without any additional link down events, the hyperactivity
alarm is cleared. The alarm is resolved if less than 50% of the media gateways required to raise
an alarm are out of hyperactive mode.
Issue 5 May 2009 693