Hi @B_Star Sorry to hear that your ER605 replacement still experienced the same speed issue. Please try to test the speed on your Meraki router and check the result. Or you may refer to this guide...

Hi @jra11500 We have replied you with ticket, please check your inbox and feel free to update.

We have merged all the switch pre-release firmware compatible with version 6.2.x.x into the main thread-https://community.tp-link.com/en/business/forum/topic/859400. This thread will now be locked....

Hi @Peter_Immt Please confirm the IGMP snooping configuration and multicast list, whether group addition was successful and the relevant report suppression configurations need particular attention....

Hi @NeoCZ You can try to update your firmware with the links below: https://community.tp-link.com/en/business/forum/topic/853170 https://community.tp-link.com/en/business/forum/topic/853172

Hi @Alfred_DOMO You may refer to this guide firstly: How to Configure SD-WAN via Omada Controller If the issue still persists, please provide us with the configuration screenshots for reference.