• Download Cablenut application from  here.
• In Cablenut apply the following settings.

  Default Receive Window = 17520
  Default SendWindow = 8096
  Disable Address Sharing = 1
  Initial Large Buffer Count = 10
  Initial Medium Buffer Count = 24
  Initial Small Buffer Count = 32
  Large Buffer Size = 4096
  Max Fast Transmit = 6400
  Medium Buffer Size = 1504
  Priority Boost = 0
  Small Buffer Size = 128
  Transmit Worker = 32
  Fast Send Data gram Threshold = 1024
  Enable Fast Route Lookup = 1
  Enable PMTU Discovery = 1
  Ignore Push Bit On Receives = 0
  Global Max Tcp Window Size = 8760
  Max Free Tcbs = 2000
  Max HashTableSize = 4096
  Max Norm Look up Memory = 5000000
  Sack Opts = 1
  Syn Attack Protect = 1
  Tcp1323Opts = 0
  Tcp LogLevel = 1
  Max Dup Acks = 2
  Tcp Max Half Open = 100
  Tcp MaxHalfOpenRetried = 80
  Tcp Recv Segment Size = 1460
  Tcp Send Segment Size = 1460
  Tcp Timed Wait _Delay = 32
  Tcp Useb RFC1122 Urgent_Pointer = 0
  Tcp Window _Size = 8760
  Maximum ConnectionsPer1_0 Server = 8
  Maximum Connections Per Server = 4
  Default TTL = 128
  DisableUser TOS_ Setting = 0
  Tcp Max Data _Retransmissions = 6
  Default TOSValue = 91  

• As second step you will have to downoad   Tcp Optimizer  from here
• Apply the following settings in Tcp optimizer

Max MTU - 1500
MTU Discovery - Yes
Black Hole Detect - No
Selective ACKs - Yes
Max Dup ACKs - 2
Time to Live (TTL) - 128
TCP 1323 Options - uncheck both

• Now apply all  and  restart your computer

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