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--- dual_output_el_switch_on_loss_of_all_output_interfaces [2024/05/23 16:47] – [Remove Dual Output Prevention from EL] walkeradmin
+++ dual_output_el_switch_on_loss_of_all_output_interfaces [2024/05/23 16:50] – [Remove Dual Output Prevention from EL] walkeradmin
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 {{ :no_dual_output_prevention_el.png?800 |}}
 \\
-From the
+From the General tab on the Encoder, untick Dual Output Prevention.
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+In a 1+1 EL configuration, Dual Output Prevention means that only one encoder is outputting, this stops duplicate streams on the network. For the Mux, this isn't an issue. With DOP on, when the first encoder has an interface failure (Critical) then the second Encoder will take over, and the first Encoder stops outputting.
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+This causes an issue because there is a short period of time where neither Encoder is outputting, While the time for this condition is very short, it is long enough that the active Mux will have no inputs from either Encoder, and the active Mux will switch to the backup. Disabling DOP on the Encoders will stop this happening.
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+====  ====