Mabinogi nagle is not working

1. Click Start and run 'regedit'.
2. In the left column, follow: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip
   \Parameters\Interfaces\
3. Choose the network adapter interface (brackets with numbers in between) that you use.
4. Click Edit>New>DWORD Value.
5. Name it 'TcpAckFrequency'.
6. Right-click TcpAckFrequency> Choose 'Modify...'.
7. Set Value data to 1 and click okay.

Do not forget to restart your computer for the effects to change.