Onboarding Fabrics into a Multi-Cluster Fabric Group

• Add Existing Fabrics: Link your current fabrics as child fabrics to the parent Multi-Cluster Fabric Group.
• Centralized Configuration: After onboarding, all new Tenant Overlay VRFs (Layer 3 Virtual Networks, L3VNIs) and Networks (Layer 2 Virtual Networks, L2VNIs) will be created directly from the parent fabric.

Step 1 - Add Child Fabrics: Site1

The next steps will guide you in adding your fabrics into your Multi-Cluster Fabric Group

1. Click the Multi-Cluster Fabric Group name ltrdcn2654





2. Click Inventory




3. Click Action and select Add Child Fabric.





4. Click Site1 and then Select.





5. Click Ok in the warning popup that informs that you must perform a Recalulate and Deploy.

Step 2 - Add Site2 Fabric

The second fabric you want to select and import is your Site2 fabric. Locate Site2 in the list of fabrics and notice the fabric list has shortened since Site1 was previously selected.

1. Click Action and select Add Child Fabric.

2. Click Site2 and then Select.

3. Click Ok in the warning popup that informs that you must perform a Recalulate and Deploy.

Step 3 - Add ISN Fabric

The last fabric you want to select and import is your ISN fabric. Locate ISN in the list of fabrics.

1. Click Action and select Add Child Fabric.

2. Click ISN and then Select.

3. Click Ok in the warning popup that informs that you must perform a Recalulate and Deploy.

Step 4 - Review Added Child Fabrics

Ensure your Site1, Site2, and ISN fabrics are displayed under Child Fabrics.

1. Click Overview

   In your updated Overview dashboard, note that you have three (3) fabrics .

Summary

You added Site1, Site2, and ISN as child fabrics to your Multi-Cluster Fabric Group. Nexus Dashboard now has a unified view of all three fabrics and their switches, enabling cross-fabric operations like Multi-Site underlay and overlay deployment. Adding fabrics to a group is a simple point-and-click operation — ND handles the complex inter-fabric relationships automatically.

Continue to the next section to trigger the initial deployment of your border gateways and core router.