Re: [IPCop-devel] Bandwidth & Data throughput on NICs

[<spi...@od...>]

> On Tuesday 10 January 2006 03:44, Spiros Palaslis wrote:
>> Hello,
>>
>> I have just finished a project for a WAN covering 6 sites, we're using
>> wi-fi links. I decided to use IPcop at each site and connect the RED
>> interface to the wi-fi bridge at each relevent site. The IPcop uses the
>> wi-fi bridge as its default gateway. The equipment itself is rated for
>> 36mbps but is practically capable of 11 up to 17 mbits/s. I connected
>> all
>> IPcops to each other using VPN links which seems to work well. The only
>> problem in this setup is the fact that when I send a file from
>> headquarters
>> down to any of the sites it only goes at about 5mbit/s (+-500KB/s) and
>> when
>> I pull a file I receieved it at about 12mbit/s (+-1100KB/s) which isn't
>> too
>> bad but I'm trying to figure out why this is happening. My initial
>> thoughts
>> were that there is some sort of limit on the speed (data throughput) of
>> the
>> NICs which are 3COM gigabit. I tried Realtek 10/100 NICs but I had the
>> same
>> result. Any ideas on how I might be able to overcome this problem?
>
>  You don't say what kind of hardware your IPCops are running. I would
> guess
> that VPN needs a lot more power to get the throughput your wifi connection
> is
> capable of.
>
>
> Dave
>
>
>
>
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Hello Dave

I apologise for forgetting to supply vital information.
I am running a HP pre-assembled PC that ships with a P4 3.0ghz CPU. 512MB
DDR RAM, 80GB 7200 SATA Hard drive and 3COM gigabit NICs. I have tried
different PCs and Realtek 10/100 NICs but none of that made a difference.
I have also run the tests without the VPN using WinSCP to transfer files
to and fro but the results were the same. :(