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A Zixi PULL input should be configured, which pulls the stream from a single source with two redundant NICs. In the event that the primary NIC becomes unavailable, the target node will automatically switch to the secondary NIC. The target node will attempt to pull from the primary NIC again only in the event that the secondary NIC becomes unavailable. 

The input in the source is configured as usual and can use any available connection types (Push, Pull, UDP, etc.). On the target Zixi Receiver you will configure one Pull input. This input is connected to the Broadcaster and includes an Alternative Host, which is the IP of the secondary NIC. In run-time, the Zixi Receiver will connect to the primary NIC in the Zixi Broadcaster and the output will be created automatically "on the fly". If the primary source becomes unavailable the target will attempt to pull the same stream with the same stream ID from the secondary NIC  (which has been defined as the Alternative Host).

Source Configuration

Configure an input, as described below. Configuring in advance the Pull output in the Broadcaster is not mandatory.

To configure the source node (e.g. Primary Zixi FeederBroadcaster):

1. On the OutputsInputs page of secondary the primary Zixi Feeder, click    on Broadcaster, click New Input on the upper-right end corner of the screen.. 
2. In the Output NameStream ID field, type the same a new name used for the primary outputinput stream.
3. In the Output Parameters section, under Links, enter the same details of the primary target, including:
   The target Host - Specify the destination Broadcaster name or IP address to which you are pushing the stream (secondary target).
   The Port number - Specify the ports to listen on for Push streams. Default - 2088
   Target IP -  
4. Set the desired Max Latency in milliseconds
5. Click OK 
6. Select the a relevant connection type option.
7. Specify the stream parameters according to the relevant connection type selected. 
8. Click OK to create the primary input.

Target Configuration

To configure the target node (e.g. Zixi Broadcaster/ Receiver):

1. Click the Inputs tab at the top of the Zixi Broadcaster Receiver administrative screen
2. Click New Input on the upper right hand side of the screen.
3. In the Input Name field, type a new name for the input. 
4. Select the Push Pull option.
5. Create an input at the primary target, ensuring the “Stream ID” matches that of the primary and secondary sources output.In the Host field, enter the IP of the Primary NIC. 
6. Click the "+" button to add an Alternative Host. 
7. In the Alt. Host field, enter the IP of the Secondary NIC. 
8. In the Port field, enter the connection port of the host (Zixi Receiver). Default: 2077. 
9. In the Stream field, enter the stream ID used as configured in the source. 
   The output is created "on the fly" on the Zixi Broadcaster, so there is no need to configure it.   
10. Configure additional parameters as required. 
11. Click OK.

Cost Considerations

This topology duplicates the network link. Allocation of the expected maximum bitrate with head room is advised on each network path.

Latency Considerations

Primary Connection loss         = 

Retry cycle                              =

Connection to secondary        =

Total recovery Time                = For detailed recovery time details, please contact your Zixi representative.