# What is MulticastScheduler used for? **URL:** \ **Category:** Ignition\ **Created:** [September 30, 2021, 9:01pm UTC](https://forum.inductiveautomation.com/t/what-is-multicastscheduler-used-for/51520 "2021-09-30T21:01:29Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![jacob.ramirez](https://avatars.discourse-cdn.com/v4/letter/j/9dc877/32.png) [@jacob.ramirez](https://forum.inductiveautomation.com/u/jacob.ramirez)\ **Post date:** [September 30, 2021, 9:01pm UTC](https://forum.inductiveautomation.com/t/what-is-multicastscheduler-used-for/51520/1 "2021-09-30T21:01:29Z")
> [@OPC UA Module Status Faulted](https://forum.inductiveautomation.com/t/opc-ua-module-status-faulted/19683/5): > > The MulticastScheduler is periodically broadcasting the gateway name and address so things like the NCL can discover it. > > You can turn it off in system settings. What is this for then? I see this a lot as well and want to disable it but what am I losing by disabling it? ---
**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\ **Post date:** [September 30, 2021, 9:07pm UTC](https://forum.inductiveautomation.com/t/what-is-multicastscheduler-used-for/51520/2 "2021-09-30T21:07:31Z")
As Kevin said, it’s used for automatic discovery of the gateway when you use the client or designer launcher. It’s an entirely optional convenience feature, nothing more. ---
**Author:** ![jacob.ramirez](https://avatars.discourse-cdn.com/v4/letter/j/9dc877/32.png) [@jacob.ramirez](https://forum.inductiveautomation.com/u/jacob.ramirez)\ **Post date:** [September 30, 2021, 9:08pm UTC](https://forum.inductiveautomation.com/t/what-is-multicastscheduler-used-for/51520/3 "2021-09-30T21:08:05Z")
Understood. Thank you for the info.