# OPCUA connection - Force failover

**URL:** <https://forum.inductiveautomation.com/t/opcua-connection-force-failover/83729>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [January 3, 2024, 9:27am UTC](https://forum.inductiveautomation.com/t/opcua-connection-force-failover/83729 "2024-01-03T09:27:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Joren\_De\_Boel](https://avatars.discourse-cdn.com/v4/letter/j/898d66/32.png) [@Joren\_De\_Boel](https://forum.inductiveautomation.com/u/Joren_De_Boel)\
**Post date:** [January 3, 2024, 9:27am UTC](https://forum.inductiveautomation.com/t/opcua-connection-force-failover/83729/1 "2024-01-03T09:27:21Z")

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Hi,  
I'm setting up a OPCUA Client, with a redundant connection. Is it possible to test this redundancy without turning the main datasource off ? Some sort of "controlled forced failover" ?  
Thanks

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [January 3, 2024, 1:51pm UTC](https://forum.inductiveautomation.com/t/opcua-connection-force-failover/83729/2 "2024-01-03T13:51:21Z")

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I would use a temporary rule in `iptables` or `nft` to drop traffic on one end or the other.