NSX – Add Layer 2 Bridging

You can create an L2 bridge between a logical switch and a VLAN, which enables you to migrate virtual workloads to physical devices with no impact on IP addresses. A logical network can leverage a physical L3 gateway and access existing physical networks and security resources by bridging the logical switch broadcast domain to the VLAN broadcast domain.

The L2 bridge runs on the host that has the NSX Edge logical router virtual machine. An L2 bridge instance maps to a single VLAN, but there can be multiple bridge instances. The logical router cannot be used as a gateway for devices connected to a bridge.

If High Availability is enabled on the Logical Router and the primary NSX Edge virtual machine goes down, the bridge is automatically moved over to the host with the secondary virtual machine. For this seamless migration to happen, a VLAN must have been configured on the host that has the secondary NSX Edge virtual machine.

1. Log in to the vSphere Web Client.

2. Click Networking & Security and then click NSX Edges.

3. Double click a logical router.

4. Click Manage and then click Bridging.

5. Click the Add icon.

6. Type a name for the bridge.

7. Select the logical switch that you want to create a bridge for.

8. Select the distributed virtual port group to which you want to bridge the logical switch.

9. Click OK.

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