Veeam Backup & Replication 10
User Guide for Microsoft Hyper-V
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Step 2. Choose Server

At the Server step of the wizard, select a Microsoft Windows server that you plan to use as a WAN accelerator and define port and connection settings for this server.

  1. From the Choose server list, select a Microsoft Windows server added to the backup infrastructure. If the server is not added to the backup infrastructure yet, you can click Add New to open the New Windows Server wizard. For more information, see Adding Microsoft Windows Servers.
  2. In the Description field, provide a description for future reference.

It is recommended that you describe the added WAN accelerator as the source or target one. When you create a job to the remote location, this hint will be displayed in brackets next to the WAN accelerator name, which will help you choose the necessary WAN accelerator to be used on the source or target side.

  1. In the Traffic port field, specify the number of the port over which WAN accelerators must communicate with each other. By default, port 6165 is used.
  2. In the Streams field, specify the number of connections that must be used to transmit data between WAN accelerators. By default, 5 connections are used.

This setting applies only to the source WAN accelerator. The greater is the number of streams, the more bandwidth resources Veeam Backup & Replication will use. A great number of streams engage more CPU and memory resources of the source WAN accelerator.

  1. If your network bandwidth is more than 100 Mbps, we recommend that you use the High bandwidth mode option. This mode allows more efficiently transferring incremental backup data than using WAN accelerators without this mode or transferring data without WAN accelerators. The high bandwidth mode applies simplified algorithms for data deduplication and does not use the global cache.

To use the high bandwidth mode, enable the option for WAN accelerators at both sites of the data transfer: the source one and the target one. If the target WAN accelerator has the high bandwidth mode enabled, different source accelerators can interact with it in different modes, depending on the mode selected for the source WAN accelerator.

When you enable the high bandwidth mode for an existing WAN accelerator, Veeam Backup & Replication does not automatically remove the global cache that was previously used for acceleration. If you are planning to use only the high bandwidth mode for WAN acceleration and you do not need the global cache anymore, you can free the disk space by manually removing the cache. If you are planning to use WAN acceleration without the high bandwidth mode in the future, we recommend that you keep the global cache. You can disable the high bandwidth mode at any time.

Step 2. Choose Server 

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