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VPN Tunnel Settings

The Polycom ® RealPresence ® DMA ®  system supports VPN tunneling to other RealPresence DMA systems through the use of OpenVPN.

Once you configure a VPN tunnel, all communication goes through the tunnel. If the tunnel goes down, no communication can occur until you disable or delete the VPN tunnel on both edge-configured RealPresence DMA systems. When the tunnel is disabled or deleted, communication can resume via the typical channels.

Use of a VPN tunnel will decrease overall call capacity from approximately 1000 concurrent calls to approximately 500 concurrent calls, depending on call settings and use.

Note that when you create a VPN tunnel between your RealPresence DMA edge systems, you need to set up access proxy settings that enable the VPN tunnel to support provisioning. See Enable Endpoint Provisioning Through a VPN Tunnel .

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