Channel Issues & Questions

Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
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Level 7

Frequent buffering only with YouTubeTV with Ethernet connected Roku Ultra and Premiere+

Very frustrated!  Have 3 TVs with Roku Ultra or Premiere+ connected by ethernet cables with speed of 28-30 Mbps.  Many episodes of video buffering per hour only with YouTubeTV, lasting 5-15 seconds, audio not affected. I never have more than one TV/Roku in use at any time.  All Roku units have updated software, and weekly, I reboot modem and router without improvement. Do I need to buy Chromecast units to have good service with YouTubeTV ?