Possible MTU Issue

We are using tailscale with subnet router and overall works great.

We are going from a linux server via subnet router to Trednet IP cameras.

We are getting what seems like MTU style issues with just that kind of camera.

Pulling an image just goes on forever or times out. Can we tweak the MTU or any other troubleshooting steps. Other cameras are fine, printers are fine…just trednet it seems