Cisco Systems 3.6 specifications ATM Examples, Ethernet, Fast Ethernet, Giga Ethernet Examples

Page 33

Chapter 4 Advanced Correlation Scenarios

IP Interface Failure Scenarios

The following correlation information is provided:

•device unreachable on the CE:

–The Syslog alarm is correlated by flow to the possible root cause, for example, a device unreachable alarm on CE1

ATM Examples

Similar examples involving ATM technology have the same result, assuming that a failure in an unmanaged network causes the status of the IP interface to change to down (ILMI is enabled).

Ethernet, Fast Ethernet, Giga Ethernet Examples

Interface Example 6

In this example there is an unreachable CE due to a failure in the unmanaged network.

Figure 4-8

Interface Example 6

 

 

CE1 unreachable

 

PE1

 

 

 

 

 

Etherenet

 

 

 

 

 

cloud

 

 

 

Subinterface with

 

 

Subinterface with

 

 

 

IP configured

 

 

 

IP configured

180438

The following failures are identified in the network:

•A device unreachable alarm is generated on the CE.

•A cloud problem alarm is generated.

The following correlation information is provided:

•No alarms are generated on a PE for Layer1, Layer2 or for the IP layers.

•The device unreachable alarm is correlated to the cloud problem alarm.

Interface Example 7

In this example there is a link down on the PE that results in the CE becoming unreachable.

Figure 4-9

Interface Example 7

 

 

CE1 unreachable

 

PE1

 

 

 

 

 

Etherenet

 

 

 

 

 

cloud

 

 

 

 

 

 

 

Link is "down"

 

 

 

 

 

Subinterface with

 

 

 

Subinterface with

IP configured

 

 

 

IP configured

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Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1

 

OL-14284-01

4-9

 

 

 

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Contents Americas Headquarters Page N T E N T S Multi Route Correlation Cloud VNE Alarm Sending Event Correlator Vii About This GuideViii Managing Events Fault Management OverviewBasic Concepts and Terms AlarmEvent Sequence EventFlapping Events Repeating Event SequenceTicket Correlation By Root CauseSequence Association and Root Cause Analysis Severity PropagationEvent Processing Overview OL-14284-01 Unreachable Network Elements Fault Detection and IsolationVNE Sources of Alarms On a Device Alarm IntegrityIntegrity Service Fault Detection and Isolation Integrity Service Cisco ANA Event Correlation and Suppression Event SuppressionCisco ANA Root-Cause Correlation ProcessCorrelation Flows Root-Cause AlarmsCorrelation by Key Correlation by FlowUsing Weights DC Model Correlation CacheCorrelating TCA Device Unreachable Alarm Advanced Correlation ScenariosConnectivity Test Device Unreachable Example Device Fault IdentificationIP Interface Failure Scenarios IP Interface Status Down AlarmCorrelation of Syslogs and Traps IP Interface Failure Examples All IP Interfaces Down AlarmInterface Example 10.200.1.2 General Interface Example Ethernet, Fast Ethernet, Giga Ethernet Examples ATM ExamplesIp interface status down Parameters Interface Registry ParametersMulti Route Correlation Example Multi Route Correlation11 Multi Route Correlation Example Generic Routing Encapsulation GRE Tunnel Down/Up GRE Tunnel Down/Up Alarm14 GRE Tunnel Down Example 1 Single GRE Tunnel GRE Tunnel Down Correlation Example15 GRE Tunnel Down Example 2 Multiple GRE Tunnels 16 Alarms Correlation to GRE Tunnel Down Ticket BGP Process Down Alarm Mpls Interface Removed AlarmLDP Neighbor Down Alarm OL-14284-01 Correlation Over Unmanaged Segments Cloud VNETypes of Unmanaged Networks Supported Supported When Logical Inventory Physical Inventory Cloud Correlation Example Cloud Problem AlarmOL-14284-01 Alarm Type Definition Event and Alarm Configuration ParametersEvent Sub-Type Configuration Parameters Root Cause Configuration ParametersGeneral Event Parameters Network Correlation Parameters Correlation Configuration ParametersFlapping Event Definitions Parameters System Correlation Configuration ParametersImpact Analysis Options Impact AnalysisAffected Severities Impact Report StructureAffected Parties Tab Impact Analysis GUIViewing a Detailed Report For the Affected Pair Detailed Report For the Affected Pair Accumulating Affected Parties Disabling Impact AnalysisAccumulating the Affected Parties In an Alarm Accumulating the Affected Parties In the Correlation TreeUpdating Affected Severity Over Time OL-14284-01 BGP process up Shut down on a device Supported Service AlarmsAll ip interfaces Sent when all IP interfaces True Warnin Shelf Out Rx Dormant Tx DormantLink Over Utilized OL-14284-01 Event and Alarm Correlation Flow Figure B-1 Event Correlation Flow VNE level Software Function ArchitectureEvent Correlation Flow Event Creation VNE levelEvent Correlation Alarm Sending Event Correlator Correlation Logic Event CorrelatorPost-Correlation Rule Event Correlator
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3.6 specifications

Cisco Systems 3.6 marks a significant advancement in network technology, presenting an innovative suite of features and capabilities designed to enhance performance, security, and flexibility for modern networks. As a leader in networking solutions, Cisco continues to evolve its offerings, ensuring they meet the demands of businesses operating in increasingly complex environments.

One of the standout features of Cisco Systems 3.6 is the introduction of enhanced automation capabilities. Automation reduces the manual effort required for network management, allowing IT teams to focus on strategic initiatives rather than routine maintenance. The system leverages advanced machine learning algorithms to analyze network behavior, detect anomalies, and suggest optimizations, which enhances operational efficiency and uptime.

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Another notable characteristic is improved compatibility with cloud environments. With the rise of hybrid cloud models, Cisco Systems 3.6 offers seamless integration capabilities that enable businesses to connect their on-premises networks with public and private cloud infrastructures. This ensures greater flexibility and enhanced performance for cloud-based applications.

Cisco also emphasizes software-defined networking (SDN) with its updated platform. This approach allows for greater agility, enabling network administrators to programmatically manage resources through a centralized interface. SDN facilitates rapid deployment of services and applications, optimizing the overall user experience.

Cisco Systems 3.6 also boasts enhanced collaboration tools, fostering improved communication across teams. Featuring advanced video conferencing and messaging capabilities, it enhances productivity and streamlines processes, regardless of employee location. These tools are designed to support remote work environments, which have become increasingly important in today's business landscape.

Furthermore, energy efficiency is a core aspect of Cisco Systems 3.6. The system is designed to optimize power consumption and reduce overall operating costs, aligning with global sustainability goals. The efficient design prioritizes environmentally friendly practices while still delivering high performance.

In conclusion, Cisco Systems 3.6 represents a comprehensive evolution in networking technology, focusing on automation, security, cloud integration, SDN, collaboration, and energy efficiency. These features position Cisco as a pivotal player in supporting organizations as they navigate the complexities of digital transformation and the future of networking.
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