Chapter 4 Advanced Correlation Scenarios

IP Interface Failure Scenarios

Figure 4-6

Interface Example 4

 

 

 

 

unreachable

interface Serial0/0.100

Mixed Multipoint and

 

 

Point-to-point

 

 

 

Router2

 

 

 

point-to-point

 

 

 

connectivity

 

 

 

10.222.1.2

 

 

 

10.200.1.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interface Serial0/0.55

 

 

 

 

multipoint

 

 

 

interface Serial0/0.101

Frame-Relay

10.200.1.10

Router10

 

 

cloud

Link is "down"

10.222.1.10

 

point-to-point

unreachable

10.200.1.3

 

 

 

 

Router2

 

 

 

All IP interface

 

10.222.1.3

 

 

 

180437

 

 

 

 

state to "down"

 

 

 

above Serial0/0 change

 

The following failures are identified in the network:

A link-down alarm is generated on Serial0/0.

A device unreachable alarm is generated for each CE.

An ip interface status down alarm is generated for each IP interface above Serial0/0.

An All interfaces down alarm is generated on Serial0/0.

The following correlation information is provided:

The device unreachable alarms are correlated to the link-down alarm

The ip interface status down alarm is correlated to the link-down alarm

The All interfaces down alarm is correlated to the link-down alarm

All the traps and syslogs for the subinterfaces are correlated to the link-down alarm

Interface Example 5

In this example on the PE1 device that has multipoint connectivity, one of the circuits under the IP interface has gone down and the CE1 device which is connected to it has become unreachable. The status of the IP interface has not changed and other circuits are still operational.

Figure 4-7 General Interface Example

CE1

unreachable

 

Mixed Multipoint

 

and Point-to-point

 

connectivity

CE2

PE1

 

 

Cloud

 

Circuit

CE3

down

 

syslog

180440

The following failures are identified in the network:

A device unreachable alarm is generated on CE1.

A Syslog alarm is generated notifying the user about a circuit down.

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

4-8

OL-14284-01

 

 

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Cisco Systems 3.6 specifications General Interface Example

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.