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Veeam Backup & Replication 9.5
Veeam Cloud Connect Guide

Managing VLANs

To enable networking for tenant VM replicas, the SP should configure physical switches to which hosts or clusters that will provide resources for hardware plans are connected. The SP must allocate on the physical switch a range of VLANs and reflect these settings in the Veeam Backup & Replication console using the VLANs Configuration dialog window.

Managing VLANs Note:

If the SP allocates resources for the hardware plan on the VMware or Hyper-V cluster, the SP should also configure physical switches so that they provide a trunk to broadcast traffic for all configured VLANs.

In Veeam Backup & Replication, the SP can specify VLANs with internet access and VLANs without internet access. VLANs without internet access can be used as internal networks that let VM replicas communicate to each other after full site failover and to production VMs after partial site failover. For VLANs with internet access, Veeam Backup & Replication can also route traffic to the internet through the network adapter (vNIC) on the network extension appliance that is connected to the SP production network.

For example, if the SP plans to configure a hardware plan on the host named Host1 that is connected to physical switch named Switch1, the SP can pre-configure on the Switch1 a range of VLANs with IDs from 1 to 20. In the Veeam Backup & Replication console, the SP should reflect those values in accordance, for example, specify 1-10 as a range of VLANs with internet and 11-20 as a range of VLANs without internet.

When the SP subscribes the tenant to the hardware plan, Veeam Backup & Replication configures on the network extension appliance that is deployed on the SP side the number of network adapters (vNICs) equal to the number of networks in the hardware plan. Each network adapter connects to the dedicated VLAN from the reserved range. As a result, Veeam Backup & Replication can map every production tenant VM network to the dedicated VLAN on the SP side.

Managing VLANs Note:

The total number of VLANs reserved for Veeam Cloud Connect Replication in the SP network infrastructure must be equal to or exceed the total number all tenants' production networks.

It is recommended that the SP plans network resources allocation and configures VLAN range in the Veeam Backup & Replication console in advance. However, the SP can manage VLANs at the process of Veeam Cloud Connect infrastructure configuration:

To configure VLAN range:

  1. Open the VLANs Configuration window in one of the following ways:
  • Open the Cloud Connect view, click the Cloud Connect node and click Manage VLANs on the ribbon.
  • Open the Cloud Connect view, right-click the Cloud Connect node and select Manage VLANs.
  1. Click Add.

Managing VLANs 

  1. In the Host or cluster field of the VLAN Pool Settings window, click Browse and select a host or cluster on which you plan to configure a replication target.
  2. In the Virtual switch field of the VLAN Pool Settings window, click Browse and select a virtual switch configured on the selected host on which to reserve VLANs for Veeam Cloud Connect Replication.
  3. In the VLANs with internet access fields, specify the first and the last VLAN ID in the range of VLANs you plan to use for providing networks with internet access to VM replicas on the cloud host.
  4. In the VLANs without internet access fields, specify the first and the last VLAN ID in the range of VLANs you plan to use for providing networks without internet access to VM replicas on the cloud host.
  5. Click OK.

Managing VLANs 

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