windows 7,

[toughguy]

« SpeedGuide.net TCP Analyzer Results »
Tested on: 2012.02.17 22:53
IP address: 99.99.xxx.xxx
Client OS/browser: Windows 7 (Internet Explorer 9.0)

TCP options string: 0103030201010402
MSS: 0
MTU: 40
TCP Window: 65928 (NOT multiple of MSS)
RWIN Scaling: 2 bits (2^2=4)
Unscaled RWIN : 16482
Recommended RWINs: , 0, 0, 0, 0
BDP limit (200ms): 2637kbps (330KBytes/s)
BDP limit (500ms): 1055kbps (132KBytes/s)
MTU Discovery: ON
TTL: 46
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)
i cant seen to fix this issue, i have disabled the win7 auto tuning, ans i am at a loss here, thanks

[Rollingstone]

Try the following with TCP Optimizer:

General Settings tab:
Custom settings - check
Modify All Network Adapters - check
network adapter selection - your NIC
MTU - 1500
TTL - 64
Checksum Offloading : enabled 0
Windows Scaling - check
TCP Receive Window - leave blank
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max Duplicate ACKs - 2
TCP 1323 Options:
Timestamps - uncheck

Advanced Settings :

--- Internet Explorer Optimization---
Max Connections per Server : 10
Max Connections per 1.0 Server : 10

--- Host Resolution Priority ---
LocalPriority : 5
Host Priority : 6
DNSPriority : 7
NetbtPriority : 8

--- LAN Tweaks ---
Lan Browsing speedup : optimized
LAN Request Buffer Size : 32768

--- Dynamic Port Allocation ---
MaxUserPor : 65535
TcpTimedWaitDelay : 30

--- Type/Quality of Service ---
QoS: NonBestEffortLimit : 0
ToS: DisableUserTOSSetting : 0
ToS: DefaultTOSValue : 0

--- DNS Error Caching ---
NegativeCacheTime : 0
NetFailureCacheTime : 0
NegativeSOACache Time : 0

--- Gaming Tweak - Disable Nagle's algorithm ---
TcpAckFrequency : Enabled 1
TCPNoDelay : Enabled 1
TcpDelackticks : default n/a

Then "Apply Changes" & Reboot
After that, post your new TCP Analyzer !