Overview
Catalyst Center 3.1.x introduces a new architecture requiring a platform upgrade workflow for migration from 2.3.7.x, with no rollback to earlier releases supported after upgrading. Release 3.1.x emphasizes updated installation warnings, site preparation, and appliance configuration procedures compared to earlier releases.
What's changed in this guide
This table describes the new and changed information in this guide compared to earlier releases.
| Feature | Description |
|---|---|
| First exciting feature |
First description |
| Second exciting feature |
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This is a lovely codeblock so I can test Show more/Show lessTrademarks
Initial Setup
NetFlow serves as a network monitoring protocol that facilitates the logging of metadata for each flow that traverses the router, both entering or leaving it.
APIC GUI Overview
This protocol provides comprehensive insights into network flows, including details such as source and destination IP addresses, ports, and packet counts. It's commonly applied for traffic analysis, capacity planning, and network troubleshooting chapter new and changed wrapper.
Fabric Initialization and Switch Discovery
NetFlow creates flow records by monitoring network traffic passing through the router. As a packet stream traverses a router interface, the packets are collected and an internal header is appended.
Cisco APIC Cluster Management
Below the Navigation pane, the Last Login is displayed, showing the date and time of the last instance of the current user's login.
Configuring the Cisco APIC Using the CLI
The APIC GUI is a browser-based graphical interface for configuring and monitoring the ACI fabric.
Configuring the Cisco APIC Using the REST API
In an ACI cluster with three (the recommeneded number of controllers) APICs, naming each controller helps you to quickly identify the APIC you are logged in to.