Skip to main content

'Cisco AVC Monitoring'

Cisco Application Visibility and Control (AVC) enables the identification of traffic utilization and performance of applications across the network. It utilizes NBAR2 (Network Based Application Recognition 2) technology, identifying over 1,000 applications and their categories, which aids in optimizing network resource usage and improving application performance.

Advantages of Cisco AVC​

  • Identifies over 1,000 applications along with their categories
  • Provides performance metrics such as jitter, packet loss, latency, and ART
  • Identifies the QoS policies applied to applications and allows modification of policies
  • Improves the user experience in application usage
  • Improves capacity planning by providing deeper visibility on application usage and performance
  • Makes troubleshooting faster with reduced downtime
  • Helps reduce operational costs through network optimization

Configuration Steps for AVC​

  1. Access the AVC configuration page in your device.
  2. Follow the provided guidelines to complete the setup.

Reports Generated Through Cisco AVC Monitoring​

NBAR2 Application Reports​

The NBAR2 report in ObserveOps (formerly known as AIOps) Flow Explorer displays the list of identified applications along with their traffic details and contribution to the total network traffic. Drilling down into a specific application provides details such as source IP, destination IP, source port, destination port, and DSCP value.

URL Hit Count​

The HTTP host report in ObserveOps Flow Explorer lists URLs and their respective hit counts along with traffic information. It provides the number of new connections for a URL and the traffic percentage caused by it. This helps monitor frequently accessed URLs and user behavior.

QoS Class Hierarchy​

The QoS stats tab lists QoS-specific information with two main reports:

  • QoS class hierarchy report: Displays the application's class of hierarchy and distribution.
  • QoS drops report: Lists pre-policy, post-policy, and drops in different traffic classes to validate QoS settings.

ART Monitoring​

Application Response Time (ART) monitoring identifies latent applications based on response times. The report includes details such as client packets, server packets, transactions, retransmissions, new connections, and traffic. Further drilling down into each application visualizes client experience over time. It aids network admins in diagnosing issues related to client networks or application/server networks. 

Cisco Application Visibility and Control allows you to identify the traffic utilization and performance of applications in the network. Cisco AVC uses next generation deep packet inspection (DPI) technology called NBAR2 (Network Based Application Recognition 2) to identify more than 1,000 applications and its subcategories.

TODO: Manual review required for further content extraction.

After completing the configuration, navigate to Menu > Flow Explorer and select Explorer to view the active flow data.