Page 1 of 1
Need tweak?
Posted: Fri Sep 14, 2007 12:14 pm
by photo
IPS 4000 / 256
XP Pro + PPPoE
--------------------------------------
--------------------------------------
« SpeedGuide.net TCP Analyzer Results »
Tested on: 09.14.2007 12:00
IP address: 83.184.xx.xxx
TCP options string: 020405500103030201010402
MSS: 1360
MTU: 1400
TCP Window: 261360 (NOT multiple of MSS)
RWIN Scaling: 2
Unscaled RWIN : 65340
Reccomended RWINs: 65280, 130560, 261120, 522240
BDP limit (200ms): 10454kbps (1307KBytes/s)
BDP limit (500ms): 4182kbps (523KBytes/s)
MTU Discovery: ON
TTL: 48
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)
I set in the TCP Optimizer the MTU value at 1492 but then in TCP Analyzer is 1400.
What is the reason?
Thanks in advance. :-)
Posted: Fri Sep 14, 2007 10:36 pm
by trogers
Are you using a router? If so, log into it and ensure MTU or MRU is set to 1500 or MSS to 1460. Save and reboot the router to take effect.
Posted: Sat Sep 15, 2007 5:02 am
by photo
« SpeedGuide.net TCP Analyzer Results »
Tested on: 09.15.2007 04:50
IP address: 83.184.xx.xxx
TCP options string: 020405ac0103030201010402
MSS: 1452
MTU: 1492
TCP Window: 261360 (multiple of MSS)
RWIN Scaling: 2
Unscaled RWIN : 65340
Reccomended RWINs: 63888, 127776, 255552, 511104
BDP limit (200ms): 10454kbps (1307KBytes/s)
BDP limit (500ms): 4182kbps (523KBytes/s)
MTU Discovery: ON
TTL: 48
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)
I changed in my Modem Ethernet PPPoE the MTU and the MRU value to 1492 like in TCP Optimizer for PPPoE. (with 1500 does'nt work)
Is possible improve something in my connection?
Posted: Sat Sep 15, 2007 6:04 am
by 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 - 127776
MTU Discovery - Yes
Black Hole Detect - No
Selective Acks - Yes
Max Duplicate ACKs - 2
TCP 1323 Options:
Windows Scaling - checked
Timestamps - uncheck
Advanced Settings tab:
Max Connections per Server - 10
Max Connections per 1.0 Server - 20
LocalPriority - 1
Host Priority - 1
DNSPriority - 1
NetbtPriority - 1
Lan Browsing speedup - optimized
QoS: NonBestEffortLimit - 0
ToS: DisableUserTOSSetting - 0
ToS: DefaultTOSValue - 80
MaxNegativeCacheTtl - 0
NetFailureCacheTime - 0
NegativeSOACache Time - 0
LAN Request Buffer Size - 32768
Then select "Apply Changes" and reboot to take effect
Posted: Sun Sep 16, 2007 3:40 am
by photo
« SpeedGuide.net TCP Analyzer Results »
Tested on: 09.16.2007 03:37
IP address: 83.190.xxx.xx
TCP options string: 020405ac0103030101010402
MSS: 1452
MTU: 1492
TCP Window: 127776 (multiple of MSS)
RWIN Scaling: 1
Unscaled RWIN : 63888
Reccomended RWINs: 63888, 127776, 255552, 511104
BDP limit (200ms): 5111kbps (639KBytes/s)
BDP limit (500ms): 2044kbps (256KBytes/s)
MTU Discovery: ON
TTL: 48
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)