RWIN, MTU settings needed so I can tweak my internet settings in terminal

Hi
I wondered if anyone can help me tweak my internet settings?? I live right next to my exxchange and my ISP stats I should be getting about 7500.00Kbps, but the highest I have ever had is 6049.58 Kbps 343.45 Kbps.
Usually is it pretty constant between 3000.00 - 5000.00Kbps
Does anyone have any ideas on the setting I can change? Here are my current settings from speedguide.net
« SpeedGuide.net TCP Analyzer Results »
Tested on: 01.20.2008 09:45
IP address: 81.158.xxx.xx
TCP options string: 020405b4010303030101080a380f48ae0000000004020000
MSS: 1460
MTU: 1500
TCP Window: 454672 (NOT multiple of MSS)
RWIN Scaling: 3
Unscaled RWIN : 56834
Reccomended RWINs: 64240, 128480, 256960, 513920
BDP limit (200ms): 18187kbps (2273KBytes/s)
BDP limit (500ms): 7275kbps (909KBytes/s)
MTU Discovery: ON
TTL: 43
Timestamps: ON
SACKs: ON
IP ToS: 00000000 (0)
Many thanks in advance.

But specifically for mtu, you should try:
sudo ifconfig en0 mtu xxxx
in a terminal windows, assuming xxxx the desired value for MTU, and you"re connected through ethernet.
It won't resist a reboot.
If the MTU path discovery is Ok on your ISP network, it won't bring you much, though.
Message was edited by: IchMe
Message was edited by: IchMe

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