problem with tcp stack

[saneesh]

.i am using DSL 512 kbps connection,while browsing often my internet connection goes offline ..my ISP have given their customers with online network solution agent software to rectify minor problems ...when i run this software it says that there is a fault with my tcp stack and it asks for restart to rectify the problem...and when i restart i get connection online but after browsing 2 or 3 pages once again problem starts :( say me how to rectify it :(

[trogers]

And did you follow its instructions to rectify?

[saneesh]

yes troger it says "restart to fix the problem" and how many times i have to restart my pc as this problem persists immediately each time after browsing 2 or 3 webpages :(

[trogers]

Which country are you in?

What speed did you pay your ISP to give you?

Post your TCP Analyzer report.

[saneesh]

sorry out of station for ling time

analyser report

my MTU is fixed at 1492


« SpeedGuide.net TCP Analyzer Results »
Tested on: 12.07.2007 23:19
IP address: 122.164.xxx.xxx

TCP options string: 020405ac01010402
MSS: 1452
MTU: 1492
TCP Window: 32120 (NOT multiple of MSS)
RWIN Scaling: 0
Unscaled RWIN : 32120
Reccomended RWINs: 63888, 127776, 255552, 511104
BDP limit (200ms): 1285kbps (161KBytes/s)
BDP limit (500ms): 514kbps (64KBytes/s)
MTU Discovery: ON
TTL: 46
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)

[trogers]

Try the following with TCP Optimizer:

General Settings tab:
Custom settings - check
Modify All Network Adapters - check
network adapter selection - your NIC
MTU 1492
TTL - 64
TCP Receive Window - 31944
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max Duplicate ACKs - 2
TCP 1323 Options:
Windows Scaling - uncheck
Timestamps - uncheck

Advanced Settings tab:
Max Connections per Server - 10
Max Connections per 1.0 Server - 10
LocalPriority - 1
Host Priority - 1
DNSPriority - 1
NetbtPriority - 1
Lan Browsing speedup - optimized
QoS: NonBestEffortLimit - 0
ToS: DisableUserTOSSetting - 0
ToS: DefaultTOSValue - 0
MaxNegativeCacheTtl - 0
NetFailureCacheTime - 0
NegativeSOACache Time - 0
LAN Request Buffer Size - 32768
Then select "Apply Changes" and reboot to take effect