: Create a VLAN Pool and External Routed Domain
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Create a VLAN Pool and External Routed Domain

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Create a VLAN Pool and External Routed Domain

Create a VLAN pool to allocate VLANs to the firewall as you attach interfaces to the infrastructure to support the EPGs in your ACI fabric. You should use a static VLAN range for the firewall.
Additionally, you must create a physical domain to map the VLANs to the EPGs. The following procedure creates a physical domain dedicated to the firewall.
  1. Create a VLAN pool.
    1. Log in to your APIC.
    2. Select FabricAccess PoliciesPoolsVLAN.
    3. Right-click VLAN and select Create VLAN Pool.
    4. Enter a descriptive Name for your VLAN pool.
    5. Select Dynamic Allocation for Allocation Mode.
    6. Click the plus (+) button to the right of Encap Blocks.
    7. Enter your VLAN range in the VLAN Range field.
    8. Select Static Allocation form the Allocation Mode drop-down.
    9. Click OK.
    10. Click Submit.
  2. Create an external routed domain.
    1. Select FabricAccess PoliciesPhysical and External DomainsExternal Domains.
    2. Right-click External Routed Domain and select Create Layer 3 Domain.
    3. Enter a descriptive Name for your physical domain.
    4. Select the VLAN pool you created in the previous procedure from the VLAN Pool list.
    5. Click Submit.