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Figure 38. Downlink Port Configuration for Layer 2

4. From the Switches pull-down menu, select an access switch.

5. In the Tagged VLANs, click on the icon next and enter one or more VLANs to be associated with the port.

6. When you are finished, click the Next button to go to the Assign Network Identities screen.

Protocol Configuration — Layer 3 Distributed Core Fabric: Step 1

To configure the pre-deployment protocol configuration for a Layer 3 distributed core fabric, complete the following

tasks.

NOTE:

Before you begin, review the pre-deployment workflow for a Layer 3 distributed core fabric at Using the Pre-deployment

Configuration Wizard.

• Pre-deployment – Step 1a: Fabric link Configuration

• Pre-deployment – Step 1b: Uplink Configuration

• Pre-deployment – Step 1c: Downlink Configuration

NOTE: For pre-deployment, the Layer 2 VLT, Layer 3 Distributed Core, and Layer 3 with Resiliency (Routed VLT)

fabrics use the same pre-deployment configuration screens from step 2 through step 7.

Pre-deployment – Step 1a: Fabric link Configuration

Before you begin, review the Using the Pre-Deployment Wizard and Pre-deployment Wizard: Introduction sections.

To configure the links that connect the leaves and spines for a Layer 3 distributed core fabric or the links that connect

the core, access, and aggregation switches for a Layer 3 with Resiliency (Routed VLT) fabric using the OSPF routing

protocol, use the Fabric link Configuration screen. The Port Bandwidth (a read-only field) is automatically determined by

the selected fabric type and fabric oversubscription ratio. To automate the pre-deployment process, AFM automatically

populates the starting IP address range/prefix, loop IP address/prefix based on the fabric design, and sets the area ID

for OSPF to 0. Review these settings. You can modify the IP address range and loopback address. The start prefix for

both types of addresses must be from 8 to 29 and the loopback prefix from 8 to 26.

For information about how to configure a Layer 2 VLT Fabric Interlink Configuration, see Pre-deployment – Step 1: VLT

Fabric Interlink Configuration

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