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Veeam Backup & Replication 9.5 Update 4
User Guide for Microsoft Hyper-V

Specifying Preferred Networks

You can choose networks over which Veeam Backup & Replication must transport VM data when you perform data protection and disaster recovery tasks. This option can be helpful if you have a non-production network and want to route VM data traffic over this network instead of the production one.

Preferred network rule applies only when the following backup infrastructure components communicate with each other:

  • Backup server
  • WAN accelerator*
  • Gateway server**
  • Off-host backup proxy
  • Microsoft Hyper-V Server
  • Backup repository
  • Log shipping server
  • Tape server

* The rule applies only when the source and target WAN accelerators communicate.
** The rule does not apply when the gateway server and backup repository communicate. For the list of backup repositories with which the gateway server communicates, see Gateway Server.

To define networks for data transfer, you must create a list of preferred networks. When Veeam Backup & Replication needs to transfer VM data, it uses networks from this list. If a connection over preferred networks cannot be established for some reason, Veeam Backup & Replication will automatically fail over to the production network.

To set a network priority list:

  1. From the main menu, select Network Traffic Rules.
  2. In the Global Network Traffic Rules window, click Networks.
  3. In the Preferred Networks window, select the Prefer the following networks for backup and replication traffic check box.
  4. Click Add.
  5. Specify a network address using a CIDR notation or a network mask and click Add.
  6. Repeat steps 4-5 for all networks that you want to add.

Specifying Preferred Networks 

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