Cisco Systems 3.6 specifications Multi Route Correlation Example

Page 36

Chapter 4 Advanced Correlation Scenarios

Multi Route Correlation

Figure 4-11 Multi Route Correlation Example 2

 

 

 

P2

P3

Link down

 

 

 

P1

 

#2

 

 

 

 

 

CE1

PE1

P7

Link

P6

PE2

 

 

 

 

 

 

 

 

 

 

 

 

down #1

 

 

 

 

 

P4

P5

 

 

Link

Link

Link

 

 

 

down #1

down #2

down #3

 

 

 

PE3

 

MNG core

 

MNG core

 

 

P8

 

 

Device

 

 

 

 

182429

unreachable

 

 

 

 

 

 

 

 

 

 

CE2

 

 

 

 

In this case the system will provide the following report:

•Root cause—Device Unreachable. Link Down #1, Link Down #2 or Link Down #3 is identified as the root cause for Device Unreachable (CE2), depending on which one occurred closest in time to the Device Unreachable event.

Multi Route Correlation Example 3

In this example, two paths exists from CE1 to PE2. Several links went down and as a result router CE1 became unreachable. In addition, router P4 is an unmanaged device.

Figure 4-12 Multi Route Correlation Example 3

Device

 

 

 

 

 

 

 

 

unreachable

 

 

 

P2

P3

Link down

 

 

 

 

 

 

 

 

 

#2

 

CE1

Link down

PE1

P1

Unmanaged

 

 

 

 

P6

PE2

 

#1

device

 

 

 

 

 

 

P4

P5

 

 

 

 

 

 

 

MNG core

 

 

MNG core

182430

 

 

 

 

 

 

 

 

 

In this case the system will provide the following report:

•Root cause—Device Unreachable. Link Down #1 or Link Down #2 is identified as the root cause for Device Unreachable (CE1), depending on which one occurred closest in time to the Device Unreachable event.

 

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

4-12

OL-14284-01

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Contents Americas Headquarters Page N T E N T S Multi Route Correlation Cloud VNE Alarm Sending Event Correlator About This Guide ViiViii Fault Management Overview Managing EventsAlarm Basic Concepts and TermsEvent Event SequenceRepeating Event Sequence Flapping EventsCorrelation By Root Cause TicketSeverity Propagation Sequence Association and Root Cause AnalysisEvent Processing Overview OL-14284-01 Fault Detection and Isolation Unreachable Network ElementsVNE Sources of Alarms On a Device Alarm IntegrityIntegrity Service Fault Detection and Isolation Integrity Service Event Suppression Cisco ANA Event Correlation and SuppressionRoot-Cause Correlation Process Cisco ANARoot-Cause Alarms Correlation FlowsCorrelation by Key Correlation by FlowUsing Weights DC Model Correlation CacheCorrelating TCA Device Unreachable Alarm Advanced Correlation ScenariosConnectivity Test Device Fault Identification Device Unreachable ExampleIP Interface Status Down Alarm IP Interface Failure ScenariosCorrelation of Syslogs and Traps All IP Interfaces Down Alarm IP Interface Failure ExamplesInterface Example 10.200.1.2 General Interface Example ATM Examples Ethernet, Fast Ethernet, Giga Ethernet ExamplesInterface Registry Parameters Ip interface status down ParametersMulti Route Correlation Multi Route Correlation Example11 Multi Route Correlation Example GRE Tunnel Down/Up Alarm Generic Routing Encapsulation GRE Tunnel Down/UpGRE Tunnel Down Correlation Example 14 GRE Tunnel Down Example 1 Single GRE Tunnel15 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 Problem Alarm Cloud Correlation ExampleOL-14284-01 Event and Alarm Configuration Parameters Alarm Type DefinitionEvent Sub-Type Configuration Parameters Root Cause Configuration ParametersGeneral Event Parameters Correlation Configuration Parameters Network Correlation ParametersSystem Correlation Configuration Parameters Flapping Event Definitions ParametersImpact Analysis Impact Analysis OptionsImpact Report Structure Affected SeveritiesImpact Analysis GUI Affected Parties TabViewing a Detailed Report For the Affected Pair Detailed Report For the Affected Pair Disabling Impact Analysis Accumulating Affected PartiesAccumulating the Affected Parties In an Alarm Accumulating the Affected Parties In the Correlation TreeUpdating Affected Severity Over Time OL-14284-01 Supported Service Alarms BGP process up Shut down on a deviceAll 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 Software Function Architecture Figure B-1 Event Correlation Flow VNE levelEvent 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.

In terms of security, Cisco Systems 3.6 integrates robust cybersecurity measures directly into its architecture. It incorporates Cisco's SecureX framework, which provides centralized visibility and control across the entire security stack. This feature allows organizations to respond rapidly to threats, leveraging threat intelligence and automated response mechanisms to mitigate risks effectively.

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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