Case

The port-proxy or v2 cannot work on the latest Windows 11 2024 update: Microsoft Windows [Version 10.0.26100.2454]

Check provider

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PS C:\WINDOWS\system32> Get-NetTCPSetting | Select SettingName,CongestionProvider
SettingName      CongestionProvider
-----------      ------------------
Automatic
InternetCustom   BBR2
DatacenterCustom BBR2
Compat           BBR2
Datacenter       BBR2
Internet         BBR2

Fix with powershell

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PS C:\WINDOWS\system32> netsh int tcp set supplemental template=internet congestionprovider=CUBIC
>> netsh int tcp set supplemental template=internetcustom congestionprovider=CUBIC
>> netsh int tcp set supplemental template=Compat congestionprovider=NewReno
>> netsh int tcp set supplemental template=Datacenter congestionprovider=CUBIC
>> netsh int tcp set supplemental template=Datacentercustom congestionprovider=CUBIC
Ok.
Ok.
Ok.
Ok.
Ok.

Review

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PS C:\WINDOWS\system32> Get-NetTCPSetting | Select SettingName,CongestionProvider
SettingName      CongestionProvider
-----------      ------------------
Automatic
InternetCustom   CUBIC
DatacenterCustom CUBIC
Compat           NewReno
Datacenter       CUBIC
Internet         CUBIC
PS C:\WINDOWS\system32>

There is no need to reboot~