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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 10 Signaling Troubleshooting
Troubleshooting Signaling Alarms
Signaling Gateway Failure—Signaling (113)
Note
When a port on a ITP is removed from service using the
shut
command, multiple Signaling 113 and 114
alarms are raised (ON status). When the port is recovered by cycling the ITP power, all alarms raised
are cleared (OFF status) and are removed from CURRENT_ALARM table. However, not all cleared
alarms (OFF status) are displayed on the subscriber terminal. Only the first instance of the cleared alarms
(OFF status) with a variation in TYPE, NUMBER, and COMPONENT-ID
are
displayed. Multiple
instances of the cleared alarms (OFF status) where the TYPE, NUMBER, and COMPONENT-ID are
identical
are not
displayed.
The Signaling Gateway Failure alarm (major) indicates that all associated signaling gateway processes
are out-of-service. The primary cause of the alarm is that all associated Signaling Gateway Processes are
out-of-service. To correct the primary cause of the alarm, determine why each associated Signaling
Gateway Process is out-of-service (see SGP alarm definition).
This alarm indicates that communication at the M3UA layer to an SG has failed. M3UA communications
at all SGPs that make up the SG are unavailable. See the
“Stream Control Transmission Protocol
to determine why the associated SGPs are down.
Signaling Gateway Process Is Out-of-Service—Signaling (114)
Note
When a port on a ITP is removed from service using the
shut
command, multiple Signaling 113 and 114
alarms are raised (ON status). When the port is recovered by cycling the ITP power, all alarms raised
are cleared (OFF status) and are removed from CURRENT_ALARM table. However, not all cleared
alarms (OFF status) are displayed on the subscriber terminal. Only the first instance of the cleared alarms
(OFF status) with a variation in TYPE, NUMBER, and COMPONENT-ID
are
displayed. Multiple
instances of the cleared alarms (OFF status) where the TYPE, NUMBER, and COMPONENT-ID are
identical
are not
displayed.
The Signaling Gateway Process is Out-of-Service alarm (major) indicates that all SCTP associations
between the SGP and the CA are out-of-service. The primary cause of the alarm is that all SCTP
associations between the SGP and the CA are out-of-service. To correct the primary cause of the alarm,
see the SCTP Association Alarm definition to determine how to rectify the problem. The secondary
cause of the alarm is that the M3UA layer is down between the CA and the SGP. To correct the secondary
cause of the alarm, use a snooper utility to determine why M3UA layer is down. Also see the log for
additional information.
This alarm indicates that communication at the M3UA layer to an SGP has failed. In the majority of
cases, there will also be a related SCTP Association Failure alarm. If this is the case, proceed to the
. Otherwise, the problem is at the M3UA
layer. Call the Cisco TAC for assistance.