User guide

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EVENT ACTIVITY AT NODE W AND Y ACTIVITY AT NODE X AND Z
1 STP “X” fails. 2
Alarms/Logs: * CCS101 Link failure * CCS164 Link unavailable (log reports to every link to failed STP X) ** CCS175 Routeset restricted ** CCS168 Route prohibited *** CCS154 Routeset unavailable ** CCS167 Route restricted Possible PM, C7UP Logs & CCS198 SLMPR
Alarms/Logs: ** CCS167 Route restricted. Note: CCS167 Route restricted alarm and log notification are sent to every SS7 NODE
when a linkset fails and causes a route restriction.
3 All SS7 messaging diverted to STP “Y” 4 Action:
Ensure A links to the working STP (Y) are not manual busy.
Action: Serious situation, network could be in jeopardy if other STP fails. Top priority to restore STP “X” and restore service. Use the following documents to clear alarms:
DMS-100 CCS alarm clearing procedures...................................................... 297-YYYY-543 DMS SN STP Alarm Performance Monitoring Procedures ...........................297-8101-543
5
Recovery Logs: CCS102 Link Sync PM Logs CCS102 Link Sync CCS163 Link available CCS163 Link available CCS155 Routeset available CCS166 Route allowed
Recovery Logs: CCS166 Route allowed
CCS7 Fault scenario— STP “X”—concerns a single STP failure
.