Multi-stream connections policy settings 编辑

The Multi-Stream Connections section contains policy settings for managing Quality of Service (QoS) prioritization for multiple ICA connections in a session.

Audio over UDP

This setting allows or prevents audio over UDP on the server.

By default, audio over UDP is allowed on the server.

When enabled, this setting opens a UDP port on the server to support all connections configured to use Audio over UDP Realtime Transport.

Audio UDP port range

This setting specifies the range of port numbers (in the form lowest port number,highest port number) used by the Virtual Delivery Agent (VDA) to exchange audio packet data with the user device. The VDA attempts to use each UDP port pair to exchange data with the user device, starting with the lowest and incrementing by two for each subsequent attempt. Each port handles both inbound and outbound traffic.

By default, this is set to 16500,16509.

Multi-Port policy

This setting specifies the TCP ports to be used for ICA traffic and establishes the network priority for each port.

By default, the primary port (2598) has a High priority.

When you configure ports, you can assign the following priorities:

  • Very High - for real-time activities, such as webcam conferences
  • High - for interactive elements, such as screen, keyboard, and mouse
  • Medium - for bulk processes, such as client drive mapping
  • Low - for background activities, such as printing

Each port must have a unique priority. For example, you cannot assign a Very High priority to both CGP port 1 and CGP port 3.

To remove a port from prioritization, set the port number to 0. You cannot remove the primary port and you cannot modify its priority level.

When configuring this setting, restart the server. This setting takes effect only when the Multi-Stream computer setting policy setting is enabled.

Multi-Stream computer setting

This setting enables or disables Multi-Stream on the server.

By default, Multi-Stream is disabled.

If you use Citrix SD-WAN with Multi-Stream support in your environment, you do not need to configure this setting. Configure this policy setting when using third-party routers or legacy Branch Repeaters to achieve the desired Quality of Service (QoS).

When configuring this setting, reboot the server to ensure changes take effect.

Important: Using this policy setting in conjunction with bandwidth limit policy settings such as Overall session bandwidth limit may produce unexpected results. When including this setting in a policy, ensure that bandwidth limit settings are not included.

Multi-Stream user setting

This setting enables or disables Multi-Stream on the user device.

By default, Multi-Stream is disabled for all users.

This setting takes effect only on hosts where the Multi-Stream computer setting policy setting is enabled.

Important: Using this policy setting with bandwidth limit policy settings such as Overall session bandwidth limit may produce unexpected results. When including this setting in a policy, ensure that bandwidth limit settings are not included.

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