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Veeam Backup & Replication 9.5 Update 4
Veeam Cloud Connect Guide

Network Resources for vCloud Director Replicas

To allow tenant VM replicas created in vCloud Director to communicate to each other after partial site failover or full site failover, the SP must configure the necessary number of networks in the properties of the Organization vDC that will be used as a target for tenant VM replicas. The tenant will be able to map source and target networks in the properties of the replication job that creates VM replicas in vCloud Director.

In addition, the SP must provide tenant VM replicas in vCloud Director with network resources that enable access to VM replicas over the network:

Network Resources for vCloud Director Replicas Note:

Consider the following:

  • The process of allocating network resources for VM replicas in vCloud Director differs from the same process for VM replicas created on a cloud host provided to a tenant through a hardware plan. In the regular Veeam Cloud Connect Replication scenario, network resources for tenant VM replicas are provided through VLANs and public IP addresses reserved in the Veeam Cloud Connect infrastructure. For more information, see Veeam Cloud Connect Replication.
  • Veeam Backup & Replication does not map source networks to which production VMs are connected to isolated vApp networks in vCloud Director.

Network Resources for Partial Site Failover

There are three scenarios for enabling communication between production VMs on the tenant source host and VM replicas in vCloud Director after partial site failover:

For the scenario when production VMs and VM replicas in vCloud Director communicate via network extension appliances after partial site failover, consider the following:

  • To provide network resources to tenant VM replicas, the SP should use isolated Organization vDC networks.
  • The Enable DHCP option must be disabled for Organization vDC networks that will be used by tenant VM replicas. This operation can be performed by the SP or tenant in vCloud Director.
  • In case Veeam Backup & Replication fails to detect a static IP address of a tenant VM during the replication process, the SP or tenant must manually specify the IP address for the replica of this VM in vCloud Director. In particular, Veeam Backup & Replication cannot detect an IP address of a Linux-based VM.

Network Resources for Full Site Failover

To allow tenant VM replicas in vCloud Director to be accessed over the internet, the SP must configure an NSX Edge gateway in vCloud Director.

To assign public IP addresses to tenant VM replicas after full site failover, the SP can create SNAT and DNAT rules on the NSX Edge gateway. Alternatively, the SP can assign public IP addresses to tenant VM replicas using pre-failover and/or post-failover scripts. To do this, the SP must create the scripts in advance and specify these scripts in the cloud failover plan settings.

Network Resources for vCloud Director Replicas Note:

In contrast to the regular Veeam Cloud Connect Replication scenario, the SP cannot use network extension appliances to enable access to VM replicas in vCloud Director after full site failover.

 

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