Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

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Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

Configure a VXLAN bridge domain stretch by using the GUI

Updated: April 17, 2026

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Stretch a tenant bridge domain between Cisco ACI and VXLAN EVPN domains to enable bridged communication through VXLAN data-plane encapsulation.

Use this procedure to extend a tenant bridge domain between Cisco ACI and VXLAN EVPN domains.

A VXLAN bridge domain stretch enables bridged communication between tenants in Cisco ACI and VXLAN EVPN domains through VXLAN data-plane encapsulation.

Before you begin

Procedure

1.

Choose Tenants > Networking > VXLAN Stretch.
2.

Right-click VXLAN Stretch and choose Create VXLAN BD Stretch.

The Create VXLAN BD Stretch window appears.
3.

From the Bridge Domain drop-down list, choose an existing bridge domain, or click Create Bridge Domain to create one.
4.

From the Border Gateway Set drop-down list, choose an existing border gateway set.

For the bridge domain that you are stretching, ensure that L2 Unknown Unicast is set to Flood.
5.

Configure the release-specific remote fabric and VNI settings:

  • In Cisco APIC Release 6.1(2), the Remote Fabric Name and Remote VNI options are preselected. You do not need to configure these options.

  • Beginning with Cisco APIC Release 6.1(4), specify the Normalized VNI. This value is the VNI that the bridge domain uses in the remote EVPN fabric.

Note

Cisco APIC assigns the Local VNI. ACI border gateways perform bidirectional translation between the local VNI assigned by Cisco APIC and the configured normalized VNI.
6.

Click Submit.

The tenant bridge domain is extended between the Cisco ACI and VXLAN EVPN domains. Tenants can use VXLAN data-plane encapsulation for bridged communication between the domains.