User's 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
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Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1
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Chapter 4 Advanced Correlation Scenarios
Generic Routing Encapsulation (GRE) Tunnel Down/Up
Figure 4-16 shows the Correlation tab of the Ticket Properties dialog box, which displays all the alarms
that are correlated to the ticket, including the correlation for each GRE tunnel and its interface status.
Figure 4-16 Alarms Correlation to GRE Tunnel Down Ticket
As illustrated, the system provides the following report:
• Root cause—Link down due to admin down
• Correlated events:
GRE tunnel down ME-6524AGRE:Tunnel2 <-> ME-6524B GRE:Tunnel2
–
Interface status down ME-6524A IP:Tunnel2
–
Interface status down ME-6524B IP:Tunnel2
GRE tunnel down ME-6524AGRE:Tunnel3 <-> ME-6524B GRE:Tunnel3
–
Interface status down ME-6524A IP:Tunnel3
–
Interface status down ME-6524B IP:Tunnel3
etc.