Disable-NetAdapterBinding -Name "vEthernet (WSL)" -ComponentID ms_tcpip6 -IncludeHidden # disable ipv6

Disable-NetAdapterLso -Name "vEthernet (WSL)" -IncludeHidden # Seems to disable the large packet. Didn't tested it since mine was already disabled

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Get-NetAdapterBinding -IncludeHidden -Name "vEthernet (WSL)" # Check if ipv6 was disabled

Get-NetAdapterAdvancedProperty -IncludeHidden -Name "vEthernet (WSL)" # Check if large packet was disabled