About this document

This Fabric Services System User Guide describes the system's user interface (UI), and includes procedures that guide you through the design and deployment of a fabric intent, workload intents, maintenance intents, and their supporting components.

This document is intended for network technicians, administrators, operators, service providers, and others who use the Fabric Services System.

Note: This manual covers the current release and may also contain some content that will be released in later maintenance loads. See the Fabric Services System Release Notes for information about features supported in each load.

What's new

This section lists the changes that were made in this release.

Table 1. What's new in Release 24.8.1
Description	Location
Regions
Prevent some changes to existing fabrics	Lock to prevent changes that would affect fabrics The Topologies page Creating a new version of a fabric intent
Fabric intents
Support for SR Linux 23.10	Elements of a topology file Viewing software and image catalogs
Support for IXR 6e, 10e	Supported hardware Elements of a topology file
Configure breakout ports in bulk	Configuring multiple breakout ports
Auto-create LAGs	Automatically creating LAGs
Performance monitoring statistics
Performance monitoring statistics and how to collect them	Collecting performance monitoring statistics Statistics policy parameters Creating a policy for statistics collection
System administration
Support for configurable login banners	Configuring a login banner
Added the path to Prometheus metrics for federated Prometheus setups; updates	Health monitoring
Workload intents
Enable DHCP relay functionality	DHCP relays DHCP relay parameters Configuring DHCP relays
Virtual IP Discovery	Virtual IP discovery Subnet parameters Adding subnets to the workload VPN intent
Security
Added procedures for renewing expired certificates and certificates that are about to expire	Renewing certificates for the Kubernetes cluster Renewing expired certificates Renewing certificates that are about to expire
Added the `--no-prechecks` option	Deploying a user-provided CA certificate
Updated the default value for the Duration parameter and added a note.	Password policy parameters

Precautionary and information messages

The following are information symbols used in the documentation.

DANGER: Danger warns that the described activity or situation may result in serious personal injury or death. An electric shock hazard could exist. Before you begin work on this equipment, be aware of hazards involving electrical circuitry, be familiar with networking environments, and implement accident prevention procedures.

WARNING: Warning indicates that the described activity or situation may, or will, cause equipment damage, serious performance problems, or loss of data.

Caution: Caution indicates that the described activity or situation may reduce your component or system performance.

Note: Note provides additional operational information.

Tip: Tip provides suggestions for use or best practices.

Conventions

Commands use the following conventions

Bold type indicates a command that the user must enter.
Input and output examples are displayed in Courier text.
An open right angle bracket indicates a progression of menu choices or simple command sequence (often selected from a user interface). Example: start > connect to
Angle brackets (< >) indicate an item that is not used verbatim. For example, for the command show ethernet <name>, name should be replaced with the name of the interface.
A vertical bar (|) indicates a mutually exclusive argument.
Square brackets ([ ]) indicate optional elements.
Braces ({ }) indicate a required choice. When braces are contained within square brackets, they indicate a required choice within an optional element.
Italic type indicates a variable.

Examples use generic IP addresses. Replace these with the appropriate IP addresses used in your system.