SPECTRUM Fanout model being alarmed although all neighbouring devices have been suppressed (Legacy KB ID CNC TS31813 )

Document ID : KB000051886
Last Modified Date : 14/02/2018
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The problem resolution is dependant on the SPECTRUM release in use:

1) For SPECTRUM 8.1: hotfix H19 or better is required.

 2) For SPECTRUM 9.0: the SPECTRUM 9.1 service pack is required

Related Issues/Questions:
During an outage of a customer site that was monitored through a SPECTRUM Secure Domain Connector (SDC), it was noted that an alarm was issued for a Fanout model although all neighboring devices had been suppressed at that time.

Problem Environment:

Causes of this problem:
The problem is that if the Fanout is not the last device to go down then it will never be suppressed.

(Legacy KB ID CNC TS31813 )