Throughput testing of a lan (100mb)

Does anyone know of freebie software to speed test (throughput) a home lan?

Done manually, by sending a large file & timing it is cumbersome (although I
have some very interesting figures and variances).

I'd like to generate test traffic from one PC (running xp as it happens)
over different links to either the far end sockets (and use some kind of
loop back - I could make simple hardware loops) or better still to a distant
nic and maybe return. Anything to command different NICs to perform
loopback?

Over various different switches, hubs & PCs my 100mb links appear to have up
to about 37mb (maximum, some are much less) throughputs (decent streams) -
does this sound about right?

On Dec 23, 1:22 pm, "William4" <w...@news.com> wrote:
> Does anyone know of freebie software to speed test (throughput) a home lan?
>
> Done manually, by sending a large file & timing it is cumbersome (although I
> have some very interesting figures and variances).
>
> I'd like to generate test traffic from one PC (running xp as it happens)
> over different links to either the far end sockets (and use some kind of
> loop back - I could make simple hardware loops) or better still to a distant
> nic and maybe return. Anything to command different NICs to perform
> loopback?
>
> Over various different switches, hubs & PCs my 100mb links appear to have up
> to about 37mb (maximum, some are much less) throughputs (decent streams) -
> does this sound about right?

yea - qcheck, by Ixia. Fking ROCKS. Dead small and easy to setup. We
have it on a few servers scattered over the county so we can do
throughput tests. Google it I'm sure you'll find it

>
> yea - qcheck, by Ixia. Fking ROCKS. Dead small and easy to setup. We
> have it on a few servers scattered over the county so we can do
> throughput tests. Google it I'm sure you'll find it

Taa. Still waiting for ixia's email.
Tried iperf (okay for xp), getting 74-93 Mb/s depends which machines.
- interestingly, powerplugs seem much better one way!

"William4" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Does anyone know of freebie software to speed test (throughput) a home
lan?
>
> Done manually, by sending a large file & timing it is cumbersome (although
I
> have some very interesting figures and variances).
>
> I'd like to generate test traffic from one PC (running xp as it happens)
> over different links to either the far end sockets (and use some kind of
> loop back - I could make simple hardware loops) or better still to a
distant
> nic and maybe return. Anything to command different NICs to perform
> loopback?

try ttcp - works on various other platforms, including having a server built
into IOS on some cisco routers.
http://en.wikipedia.org/wiki/Ttcp

also a Java version now....
>
> Over various different switches, hubs & PCs my 100mb links appear to have
up
> to about 37mb (maximum, some are much less) throughputs (decent streams) -
> does this sound about right?
>
--
Regards

(E-Mail Removed) - replace xyz with ntl