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It is possible for the Client to automatically connect to Servers on different Axxon domains − domains—Cross-System Client.

For this to take place, the following conditions must be true:

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1. Go to Settings → Options → Automatic connection (1-2).

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2. Configuring the protocol used by Clients to connect to the Server allows prioritizing reliability or speed of data transmission (3). The connection protocol is set individually for each Server in an Axxon-domain. All Clients connected to the Server will receive video streams over the selected protocol.

   Descriptions and recommendations for selecting a protocol are given in the table.

   Protocol	Description
   TCP	This protocol is more reliable but bandwidth-intensive. Recommended for Servers with small numbers of cameras.
   UDP unicast	UDP is typically faster but less reliable for data transmission. Unicast involves data transmission to a single recipient. This protocol is best for Servers with many cameras connected to a single Client.
   UDP multicast	Multicast refers to data transmission to a group of recipients. This protocol is designed for Servers with many cameras connected to multiple Clients. Important! This protocol has to be supported by all network components, in particular, switches.

   
   

3. Type the user name and password needed for logging in to each Axxon domain (4).

4. Specify the Connection timeout parameter (5), which determines how long one must wait for a successful connection before considering the attempt to be unsuccessful. The default timeout value is 60 seconds, the maximum value is 5 minutes. When using this setting, automatic connection will attempt to connect immediately. If the connection fails, the Server will wait for a user-specified period of time (timeout) and retry the connection.

5. Specify the maximum number of automatic connection attempts after the specified timeout (6).
6. Indicate the Servers to connect to. For each Server, perform the following steps: 
   1. select the Server in the list (57);

   2. indicate the port for connecting to the Server (68).

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      title Note
      If the Port field is left blank, the standard port (20111) will be used for connecting.

      
      

   3. Click the Add button (79).

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      title Note
      It is possible to connect to only one Server on an Axxon domain. So when a Server is added to the list, all other Servers on the Axxon domain become unavailable for selection.

      
      

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      title Note
      To remove a Server from the list, click the Image Removed Image Added button.

      
      

7. After all Servers have been added to the list, select the main Axxon domain.
   When connecting, the Client will use the parameters (maps, layouts, user rights) of the main Axxon domain. 
   To select a main Axxon domain, select the check box in the relevant column of a Server that is on the Axxon domain (810).
8. Click the Apply button.

Click Export (91) to save the automatic Server connection and Preferred Servers (see Selecting Preferred Servers) configuration to the JSON file.

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To load the preset configuration to other Clients, do the following:

1. Click Import (102).
2. Click Apply.

To change a port on an added Server, do the following:

1. Select this Server again from the list (111). 
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2. Enter a new port (122).
3. Click Change Edit (133).

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Auto-connection to Servers on different Axxon domains is now complete.

The next time Axxon Next is started, connection to the selected Servers with the specified user credentials will occur automatically.

If the Client is connected to several Servers, the Server settings are reproduced for each Server (see Server settings).