Alarms and KPIs Guide Alarms and Events vSTP Alarms and Events (70000-70060, 70100-70999) 70201 - linkOpStateChanged 3.21.62 70201 - linkOpStateChanged Alarm Group: vSTP Description: M2PA link operational state changed. This event is encountered whenever link state changes from or to Busy link state. Severity: Info Instance: <LinkName> HA Score: Normal Auto Clear Seconds: 0 (zero) OID: vSTPLinkOpStateChangedNotify Recovery: No action necessary.