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 23.8.2
Description Location
Updated usage information for the fss-backup.py command to reflect that the -s argument requires the true string (-s true) Backup and restore

Backing up

Updated topics to reflect that only the deployer-tech-support.sh script should be used to generate the files for technical support debugging. The technical support script

How to run the technical support script

Table 2. What's new in Release 23.8.1
Description Location
Region management
Support for multiple regions Deployment regions, plus minor updates to many other sections and procedures:
Fabric design
Fabric design no longer uses standard templates (Leaf/Spine, Backbone); all initial fabric designs are imported a manual topology. Fabric intents
Support for SR Linux 23.7 Maintenance intents
Support for 7220 IXR-D1 as an unmanaged node Supported hardware
Support for a different domain name per fabric Domain name parameter now described in Manual fabric topology parameters
Support for enabling BFD on system interfaces Notable fabric intent configuration values
Support for fabrics consisting of nodes that are not primarily managed by the Fabric Services System (" unmanaged nodes")
Fabric intent deployment will now automatically resume when a gNMI connection is restored Deploying a fabric intent from the deployment pipeline
LAGs now support 50G port speeds Creating LAGs
Workload intents
Changes to BGP provisioning workflow
PE-CE static routes with BFD support
PE-CE BGP route summarization / aggregate routes
Support for auto attach and detach of fabric from a workload intent Creating the basic workload VPN intent
Support for VLAN ranges on sub-interface attachment Sub-interface parameters, added the Single Tagged Range parameter
Configuration overrides
Global Configuration Overrides:
  • Can now include the deletion of configurations on the target node (using "Delete Path")
  • Support the duplication of a read-only system GCO as a "normal," editable GCO.
  • Support the deletion of a system GCO (usually after duplicating it)
Maintenance
Adds note related to 7220 IXR-D1 support Labeling objects for maintenance

Maintenance intents

Creating a maintenance intentUsing an external DHCP server

Support for maintenance timers for node replacement Creating a maintenance intent

Progress of a deployed maintenance intent

System administration
Support for adding, removing (and replacing) Fabric Services System nodes
Mirroring
Software images can now be uploaded using HTTP, HTTPS, FTP Adding a new software image
Security
Support for changing internal passwords after installation
Support for password complexity
Support for autolocking user accounts
Support for granular permission model
Support for customer-provided signing certificate
Customer provided Northbound interface certificate
Support for auto-generated rootCA
Support for generating a CSR for the Northbound interface certificate for signing
Alarms
New alarms are supported in this release Appendix A: Supported alarms

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.