# Ignition Redundancy

**URL:** <https://forum.inductiveautomation.com/t/ignition-redundancy/71572>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [March 24, 2023, 7:13pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy/71572 "2023-03-24T19:13:46Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Ricardo\_javier\_reyes](https://avatars.discourse-cdn.com/v4/letter/r/e9bcb4/32.png) [@Ricardo\_javier\_reyes](https://forum.inductiveautomation.com/u/Ricardo_javier_reyes)\
**Post date:** [March 24, 2023, 7:13pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy/71572/1 "2023-03-24T19:13:46Z")

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Could anyone help me to make a link between a master and a backup gateway?

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**Author:** ![djs](https://avatars.discourse-cdn.com/v4/letter/d/e47774/32.png) [@djs](https://forum.inductiveautomation.com/u/djs)\
**Post date:** [March 24, 2023, 7:24pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy/71572/2 "2023-03-24T19:24:00Z")

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Have you checked out [Inductive University](https://inductiveuniversity.com/)?  
The have a video on this exact thing:

> **[Setting Up Redundancy Video at Inductive University](https://inductiveuniversity.com/videos/setting-up-redundancy/8.1)**
>
> Learn how to configure Redundancy across two different Ignition Gateways.

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**Author:** ![franklepkowski](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/franklepkowski/32/4808_2.png) [@franklepkowski](https://forum.inductiveautomation.com/u/franklepkowski)\
**Post date:** [March 26, 2023, 8:51pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy/71572/3 "2023-03-26T20:51:03Z")

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Are you using traditional redundancy or scale out redundancy?

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<div class="post-metadata">

**Author:** ![Ricardo\_javier\_reyes](https://avatars.discourse-cdn.com/v4/letter/r/e9bcb4/32.png) [@Ricardo\_javier\_reyes](https://forum.inductiveautomation.com/u/Ricardo_javier_reyes)\
**Post date:** [March 29, 2023, 7:25pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy/71572/4 "2023-03-29T19:25:09Z")

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I already have the redundant ignition, how could I send an alarm to the plc and identify which one is disconnected?