Quote:
Originally Posted by cook1984
Can you check that when you plug the laptop in to the router it auto-negotiates the correct wire speed? If you are XP just left click on the network icon in the system tray.
You should be connected at 100mb full duplex to the router. If the laptop has gigabit ethernet, make sure jumbo frames is disabled. Also check the MTU is not too high.
If the router has the facility, check that it is connected to the modem at the right speed too (again, 100mb full duplex).
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RESULT!
I was checking above and all looked OK then remembered TCP Optimiser. After resetting back to initial defaults obtained the above. No idea what was the incorrect setting but working OK now.
Thanks to all for suggestions!