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.

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 22.12.1
Description Location
Fabric design
Support IXR D5 spine Supported hardware and roles now lists IXR D5 as spine node type.

Manual fabric topology parameters also lists IXR D5 as an option.
Enable VLAN on ISL Manual fabric topology parameters
Contextual configuration override

Contextual configuration overrides

Contextual configuration override parameters

Creating a contextual configuration override

Viewing and managing configuration overrides
Support for Port Active EVPN Multi-home LAG Creating LAGs
Support IXR-D5 Breakout Ports Elements of a topology file
Workloads intents
Support for enabling multi-hop for BGP PE-CE

BGP basic properties

Basic BGP neighbor properties

Configuring BGP
Multiple router support per workload intent

Routers

Creating a router

Subnet parameters

Adding subnets to the workload VPN intent
Support for disabling the prepending global AS when neighbor based local AS override is enabled BGP parameters
Support for loopback interfaces within a workload router Subnets

Subnet parameters

Adding subnets to the workload VPN intent
Operations
Support for making neo4j and mongodb passwords configurable post installation Changing internal passwords
Support for recovery after node failure

Recovery after application node failure

Recovering an application after node failure

Recovering an application after node reboot
Alarm: network instance down

Alarm: LAG member down

Network Instance Down alarm

LAG Member Down alarm
Device management
Support SR Linux 22.11 Required parameters for fabric intents identifies SR Linux 22.11.1-3 as a software image option

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.