Cisco Systems 3.6 specifications IP Interface Failure Scenarios, IP Interface Status Down Alarm

Page 27

Chapter 4 Advanced Correlation Scenarios

IP Interface Failure Scenarios

Figure 4-2

ANA Unit

Device Unreachable Example 2

L1

SW1

 

L2

R1

 

 

 

L3

L4

Physical links

R2

SW2

 

 

Management connectivity

154608

Note If the device has a single link and it is being managed through that link (in-band management), there is no way to determine if the device is unreachable due to a link down, or the link is down because the device is unreachable. In this case, Cisco ANA shows that the device is unreachable due to link down.

In this case the system will provide the following report:

•Root cause—Device Unreachable (R1)

•Correlated events:

–L2 down

–Device Unreachable (R2)

–L4 down

IP Interface Failure Scenarios

This section includes:

•IP Interface Status Down Alarm

•All IP Interfaces Down Alarm

•IP Interface Failure Examples

IP Interface Status Down Alarm

Alarms related to subinterfaces, for example, line-down trap, line-down syslog, and so on, are reported on IP interfaces configured above the relevant subinterface. This means that in the system, subinterfaces are represented by the IP interfaces configured above them. All events sourcing from subinterfaces without a configured IP are reported on the underlying Layer 1.

An “ip interface status down” alarm is generated when the status of the IP interfaces (whether it is over an interface or a subinterface) changes from up to down or any other non-operational state. All events sourced from the subinterfaces correlate to this alarm. In addition an “All ip interfaces down” alarm is generated when all the IP interfaces above a physical port change state to down.

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

 

OL-14284-01

4-3

 

 

 

Page 26 Page 28
Image 27
Page 26 Page 28
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 by Flow Root-Cause AlarmsCorrelation Flows Correlation by KeyUsing 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
Related manuals
Manual 4 pages 36.46 Kb

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.
Top Page Image Contents