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Analyzer Analysis

Posted: Fri Dec 15, 2006 1:48 am
by tster
Hi all,

I've got brighthouse broadband cable here in orlando fl, (road runner) with a d-link dcm-202 cable modem, here are my results. What can I do to improve my broadband performance?

Thanks!

« SpeedGuide.net TCP Analyzer Results »
Tested on: 12.15.2006 01:28
IP address: 68.204.xxx.xxx

TCP options string: 020405b4
MSS: 1460
MTU: 1500
TCP Window: 65535 (NOT multiple of MSS)
RWIN Scaling: 0
Unscaled RWIN : 65535
Reccomended RWINs: 64240, 128480, 256960, 513920
BDP limit (200ms): 2621kbps (328KBytes/s)
BDP limit (500ms): 1049kbps (131KBytes/s)
MTU Discovery: ON
TTL: 117
Timestamps: OFF
SACKs: OFF
IP ToS: 00000000 (0)


Speed Test :
7159 kbps down (~7.16 Mbps, 874 KB/s) ↓
226 kbps up (~0.23 Mbps, 28 KB/s) ↑

Posted: Fri Dec 15, 2006 5:49 am
by trogers
Use 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
TCP Receive Window - 256960
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 - 5
Host Priority - 6
DNSPriority - 7
NetbtPriority - 8
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: Fri Dec 15, 2006 10:21 pm
by tster
thanks trogers!

i've optimized the settings and here's the new results....


« SpeedGuide.net TCP Analyzer Results »
Tested on: 12.15.2006 22:12
IP address: 68.204.xxx.xxx

TCP options string: 020405b40103030201010402
MSS: 1460
MTU: 1500
TCP Window: 256960 (multiple of MSS)
RWIN Scaling: 2
Unscaled RWIN : 64240
Reccomended RWINs: 64240, 128480, 256960, 513920
BDP limit (200ms): 10278kbps (1285KBytes/s)
BDP limit (500ms): 4111kbps (514KBytes/s)
MTU Discovery: ON
TTL: 53
Timestamps: OFF
SACKs: ON
IP ToS: 00000000 (0)

7519 kbps down (~7.52 Mbps, 918 KB/s) ↓
379 kbps up (~0.38 Mbps, 46 KB/s) ↑



can the new results be tweaked and optimized for even more performance?
thanks again :thumb:

Posted: Sat Dec 16, 2006 12:06 am
by trogers
What speed did you pay your ISP to give you?

Posted: Sat Dec 16, 2006 12:49 am
by tster
just spoke to customer service and this is what they said....

downstream - 7MB per sec
upstream - 512kb per sec, killobits*?

thanks!

Posted: Sat Dec 16, 2006 1:10 am
by trogers
tster wrote:just spoke to customer service and this is what they said....

downstream - 7MB per sec
upstream - 512kb per sec, killobits*?

thanks!
Yes. 7000/512 kilobits per sec (kbps)

So you are already above your caps. :)

Posted: Sat Dec 16, 2006 1:48 am
by tster
latest test... :thumb:

Image

thanks again :cool: