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MTU and Path MTU Discovery #31939

Description

@antimomentum

Example URL(s)

https://developers.cloudflare.com/cloudflare-one/team-and-resources/devices/cloudflare-one-client/deployment/mdm-deployment/path-mtu-discovery/#enable-path-mtu-discovery

Actual Behavior

There is no mdm.xml file present. Creating a new one also doe not change the MTU from 1280. Manually changing the MTU via netsh causes Warp to not operate properly. And trying to change the Warp MTU size in the Windows Registry will not change the MTU size for Warp. I have also tried disabling ipv6 in Windows

Expected Behavior

I can't change the MTU size in Windows despite the docs and other sources saying it should be possible in Windows.

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