Cisco Systems Network Hardware 36 User Manual

Cisco Active Network Abstraction  
Fault Management User Guide  
Version 3.6 Service Pack 1  
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO  
CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS  
MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND,  
EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY  
PRODUCTS.  
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Text Part Number: OL-14284-01  
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C O N T E N T S  
Obtaining Documentation, Obtaining Support, and Security Guidelines vii  
CHAPTER  
1
Fault Management Overview 1-1  
Basic Concepts and Terms 1-2  
Alarm 1-2  
Event 1-3  
Event Sequence 1-3  
Repeating Event Sequence 1-4  
Flapping Events 1-4  
Correlation By Root Cause 1-5  
Ticket 1-5  
Sequence Association and Root Cause Analysis 1-6  
Event Processing Overview 1-7  
CHAPTER  
2
Sources of Alarms On a Device 2-3  
Integrity Service 2-3  
CHAPTER  
3
Cisco ANA Event Correlation and Suppression 3-1  
Root-Cause Correlation Process 3-2  
Correlation Flows 3-3  
Correlation by Key 3-3  
Correlation by Flow 3-3  
DC Model Correlation Cache 3-4  
Using Weights 3-4  
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Contents  
Correlating TCA 3-4  
CHAPTER  
4
Device Unreachable Alarm 4-1  
Connectivity Test 4-1  
Device Fault Identification 4-2  
Device Unreachable Example 1 4-2  
Device Unreachable Example 2 4-2  
IP Interface Failure Scenarios 4-3  
IP Interface Status Down Alarm 4-3  
Correlation of Syslogs and Traps 4-4  
All IP Interfaces Down Alarm 4-5  
IP Interface Failure Examples 4-5  
Interface Example 1 4-6  
Interface Example 2 4-6  
Interface Example 3 4-7  
Interface Example 4 4-7  
Interface Example 5 4-8  
ATM Examples 4-9  
Ethernet, Fast Ethernet, Giga Ethernet Examples 4-9  
Interface Example 6 4-9  
Interface Example 7 4-9  
Interface Registry Parameters 4-10  
ip interface status down Parameters 4-10  
All ip interfaces down Parameters 4-10  
Multi Route Correlation 4-11  
Multi Route Correlation Example 1 4-11  
Multi Route Correlation Example 2 4-11  
Multi Route Correlation Example 3 4-12  
Generic Routing Encapsulation (GRE) Tunnel Down/Up 4-13  
GRE Tunnel Down/Up Alarm 4-13  
GRE Tunnel Down Correlation Example 1 4-14  
GRE Tunnel Down Correlation Example 2 4-15  
LDP Neighbor Down Alarm 4-17  
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Contents  
CHAPTER  
5
Correlation Over Unmanaged Segments 5-1  
Cloud VNE 5-1  
Types of Unmanaged Networks Supported 5-1  
Fault Correlation Across the Frame Relay or ATM or Ethernet Cloud 5-2  
Cloud Problem Alarm 5-3  
Cloud Correlation Example 5-3  
CHAPTER  
6
Event and Alarm Configuration Parameters 6-1  
Event (Sub-Type) Configuration Parameters 6-2  
General Event Parameters 6-2  
Root Cause Configuration Parameters 6-2  
Correlation Configuration Parameters 6-3  
Network Correlation Parameters 6-3  
Flapping Event Definitions Parameters 6-4  
System Correlation Configuration Parameters 6-4  
CHAPTER  
7
Impact Analysis GUI 7-3  
Affected Parties Tab 7-3  
Viewing a Detailed Report For the Affected Pair 7-4  
Accumulating Affected Parties 7-6  
Accumulating the Affected Parties In an Alarm 7-7  
Accumulating the Affected Parties In the Correlation Tree 7-7  
Updating Affected Severity Over Time 7-7  
APPENDIX  
A
Supported Service Alarms A-1  
Link Over Utilized A-5  
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Contents  
APPENDIX  
B
Software Function Architecture B-2  
Event Correlation Flow B-3  
Event Creation (VNE level) B-3  
Event Correlation B-3  
Local Correlation (Event Correlator) B-3  
Network Correlation (Event Correlator, Flow) B-3  
Correlation Logic (Event Correlator) B-4  
Alarm Sending (Event Correlator) B-4  
Post-Correlation Rule (Event Correlator) B-4  
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About This Guide  
This guide includes the following chapters:  
Chapter 1, “Fault Management Overview”Describes how to manage events, and introduces some  
of the key concepts of Cisco ANA alarm management.  
sources of alarms on devices. In addition, it describes alarm integrity and the integrity service  
Chapter 3, “Cisco ANA Event Correlation and Suppression”—Describes how Cisco ANA performs  
correlation logic decisions.  
Chapter 4, “Advanced Correlation Scenarios”—Describes specific alarms which use advanced  
correlation logic on top of the root cause analysis flow.  
correlation decisions over unmanaged segments.  
Chapter 6, “Event and Alarm Configuration Parameters”—Describes the details of various  
configurable alarm parameters.  
Chapter 7, “Impact Analysis”—Describes the impact analysis functionality available in Cisco ANA.  
Appendix A, “Supported Service Alarms”—Provides the list of service alarms that are supported in  
Cisco ANA.  
Appendix B, “Event and Alarm Correlation Flow”—Describes in detail the flow of alarms and  
events during the correlation process.  
Obtaining Documentation, Obtaining Support, and Security  
Guidelines  
For information on obtaining documentation, obtaining support, providing documentation feedback,  
security guidelines, and also recommended aliases and general Cisco documents, see the monthly  
What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical  
documentation, at:  
Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1  
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About This Guide  
Obtaining Documentation, Obtaining Support, and Security Guidelines  
Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1  
OL-14284-01  
viii  
Download from Www.Somanuals.com. All Manuals Search And Download.