user manual
Table Of Contents
- Cisco Active Network Abstraction Fault Management User Guide Version 3.6 Service Pack 1
- Contents
- About This Guide
- Fault Management Overview
- Fault Detection and Isolation
- CiscoANA Event Correlation and Suppression
- Advanced Correlation Scenarios
- Device Unreachable Alarm
- IP Interface Failure Scenarios
- Multi Route Correlation
- Generic Routing Encapsulation (GRE) Tunnel Down/Up
- BGP Process Down Alarm
- MPLS Interface Removed Alarm
- LDP Neighbor Down Alarm
- Correlation Over Unmanaged Segments
- Event and Alarm Configuration Parameters
- Impact Analysis
- Supported Service Alarms
- Event and Alarm Correlation Flow
B-2
Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1
OL-14284-01
Appendix B Event and Alarm Correlation Flow
Software Function Architecture
Software Function Architecture
Figure B-1 Event Correlation Flow (VNE level)
New Event
Event
Correlation
Application
Read Registry
parameters
Store alarm
for future
correlation
to it
Is
correlation
allowed
If
correlation
enabled
Pass to event
correlation
application
Wait for
flow
results
Start
correlation
flow
Flow or
correlation by
key
Post
correlation
Pass control
bark to
Event
Manager
Send to
gateway
Send alarm
to gateway
Correlation by
key
Correlation by key
Send
alarm to
gateway
Correlate
Continue
Flow
Yes (correlation delay
of two minutes)
Ye s
No
No
Ye s
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