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Home Network Speed

 
 
BIG NIGE
Guest
Posts: n/a
 
      06-17-2004
Easy way transfer a file of a known size and see how long it takes.

"Galaxy" <(E-Mail Removed)> wrote in message
news:dLkAc.374$(E-Mail Removed)...
> Hi
>
> I have Computers Networked with 100Mbs Nics and Cat5 cable. This is

supposed
> to run at 100Mbs. Anyone know how I can actually check the speed that the
> computers can transfer files etc..and If the full bandwith is being
> utilised.
>
> Thanks
>
>



 
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Galaxy
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      06-17-2004
Hi

I have Computers Networked with 100Mbs Nics and Cat5 cable. This is supposed
to run at 100Mbs. Anyone know how I can actually check the speed that the
computers can transfer files etc..and If the full bandwith is being
utilised.

Thanks


 
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why?
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Posts: n/a
 
      06-17-2004

On Thu, 17 Jun 2004 17:49:24 -0000, Galaxy wrote:

>Hi
>
>I have Computers Networked with 100Mbs Nics and Cat5 cable. This is supposed
>to run at 100Mbs. Anyone know how I can actually check the speed that the


That's only a max speed and not to usually be expected between 2PCs,
normally it's not possible to get that fast.

Between PCs/Switches/Servers it's possible to get that however it's
(from data at work) it's mainly at night during backups.

Depending on the OS which you didn't mention.


For multi platform solutions,

iperf, will let you send data for x seconds or xMB to see how long it
takes. This is for short tests only as it can flood a link easily.
http://dast.nlanr.net/Projects/Iperf/

I use MRTG/Perl/SNMP on the other systems, Win / Linux / Solaris etc.
MRTG http://people.ee.ethz.ch/~oetiker/webtools/mrtg/
Perl http://www.activestate.com/

You can also use SNMP (part of the OS) and something like GetIf on a
Wintel box. If you select the correct counter via SNMP GetIf will graph
it.

Typically I see (at home) on 2 systems DVD writing , 2 way multi GB file
transfer 32Mbits/sec on a 1Gb link.

As a comparison 3 instances of binary newsgroup downloads can average
about 2Mbps or if lucky , doing FTP, copying a 100MB web site among
other things will flood a 3Mbps download link from ISP, adding binary
downloads from another odd server or 2 helps a lot..

>computers can transfer files etc..and If the full bandwith is being
>utilised.


Usually due to the way OS works, disks, how many transfers , you won't
get 100Mbps. Most traffic is very bursty and small so you won't get full
use of the 100Mbps unless the transfer is sustained. And there are
multiple connections.

Both tests from a P4 1.8GHz, SATA disk.
File an ISO 4608,708,608 btyes, on 1Gbps switch.

Both these connected to same switch.
To a 100Mbps connected P3 CPU speed?, ATA100 disk
max 42Mbps 13m30s

To a 1Gbps AMD K6-2/500 , SCSI disk, recently formatted and almost empty
max 10Mbps before pressing cancel after 20m.
The switch traffic LED's were off more often than on.

Often similar questions in previous posts, try searching
http://groups.google.com/groups?grou...pport.helpdesk


http://groups.google.com/groups?q=ba...pport.helpdesk
Groups Results 1 - 10 of about 4,050 for
bandwidth
group:24hoursupport.helpdesk. in 24hoursupport.helpdesk (0.57 seconds)

is DUmeter, http://www.dumeter.com/

Me
 
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Galaxy
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      06-17-2004
Great Information!
Thanks a lot!
"why?" <fgrirp*sgc@VAINY!Qznq.fpvragvfg.pbz> wrote in message
news:(E-Mail Removed)...
>
> On Thu, 17 Jun 2004 17:49:24 -0000, Galaxy wrote:
>
> >Hi
> >
> >I have Computers Networked with 100Mbs Nics and Cat5 cable. This is

supposed
> >to run at 100Mbs. Anyone know how I can actually check the speed that the

>
> That's only a max speed and not to usually be expected between 2PCs,
> normally it's not possible to get that fast.
>
> Between PCs/Switches/Servers it's possible to get that however it's
> (from data at work) it's mainly at night during backups.
>
> Depending on the OS which you didn't mention.
>
>
> For multi platform solutions,
>
> iperf, will let you send data for x seconds or xMB to see how long it
> takes. This is for short tests only as it can flood a link easily.
> http://dast.nlanr.net/Projects/Iperf/
>
> I use MRTG/Perl/SNMP on the other systems, Win / Linux / Solaris etc.
> MRTG http://people.ee.ethz.ch/~oetiker/webtools/mrtg/
> Perl http://www.activestate.com/
>
> You can also use SNMP (part of the OS) and something like GetIf on a
> Wintel box. If you select the correct counter via SNMP GetIf will graph
> it.
>
> Typically I see (at home) on 2 systems DVD writing , 2 way multi GB file
> transfer 32Mbits/sec on a 1Gb link.
>
> As a comparison 3 instances of binary newsgroup downloads can average
> about 2Mbps or if lucky , doing FTP, copying a 100MB web site among
> other things will flood a 3Mbps download link from ISP, adding binary
> downloads from another odd server or 2 helps a lot..
>
> >computers can transfer files etc..and If the full bandwith is being
> >utilised.

>
> Usually due to the way OS works, disks, how many transfers , you won't
> get 100Mbps. Most traffic is very bursty and small so you won't get full
> use of the 100Mbps unless the transfer is sustained. And there are
> multiple connections.
>
> Both tests from a P4 1.8GHz, SATA disk.
> File an ISO 4608,708,608 btyes, on 1Gbps switch.
>
> Both these connected to same switch.
> To a 100Mbps connected P3 CPU speed?, ATA100 disk
> max 42Mbps 13m30s
>
> To a 1Gbps AMD K6-2/500 , SCSI disk, recently formatted and almost empty
> max 10Mbps before pressing cancel after 20m.
> The switch traffic LED's were off more often than on.
>
> Often similar questions in previous posts, try searching
> http://groups.google.com/groups?grou...pport.helpdesk
>
>
>

http://groups.google.com/groups?q=ba...roup%3D24hours
upport.helpdesk
> Groups Results 1 - 10 of about 4,050 for
> bandwidth
> group:24hoursupport.helpdesk. in 24hoursupport.helpdesk (0.57 seconds)
>
> is DUmeter, http://www.dumeter.com/
>
> Me



 
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Mr Mucky
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      06-18-2004
go to www.pcpitstop.com...

--

.................................................. ...........................
........

'time is never wasted when you're wasted all the time'

.................................................. ...........................
........
"Galaxy" <(E-Mail Removed)> wrote in message
news:dLkAc.374$(E-Mail Removed)...
> Hi
>
> I have Computers Networked with 100Mbs Nics and Cat5 cable. This is

supposed
> to run at 100Mbs. Anyone know how I can actually check the speed that the
> computers can transfer files etc..and If the full bandwith is being
> utilised.
>
> Thanks
>
>



 
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-= Hawk =-
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Posts: n/a
 
      06-18-2004
On 18 Jun 2004 09:21:10 GMT, "Mr Mucky" <(E-Mail Removed)>
scribbled:

>go to www.pcpitstop.com...


Learn to type a ****ing URL.

--
'What Profiteth It A Kingdom If The Oxen Be Deflated?'
Riddles II, v3
- T. Pratchett
 
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joevan
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Posts: n/a
 
      06-18-2004
On Fri, 18 Jun 2004 10:13:57 GMT, -= Hawk =-
<(E-Mail Removed)> wrote:

>On 18 Jun 2004 09:21:10 GMT, "Mr Mucky" <(E-Mail Removed)>
>scribbled:
>
>>go to www.pcpitstop.com

>
>Learn to type a ****ing URL.

Fixed
joevan
 
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Mr Mucky
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Posts: n/a
 
      06-18-2004
didnt type a url, jus gid him addres, sure he can work IE.. dopey

--

.................................................. ...........................
........

'time is never wasted when you're wasted all the time'

.................................................. ...........................
........
"joevan" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> On Fri, 18 Jun 2004 10:13:57 GMT, -= Hawk =-
> <(E-Mail Removed)> wrote:
>
> >On 18 Jun 2004 09:21:10 GMT, "Mr Mucky" <(E-Mail Removed)>
> >scribbled:
> >
> >>go to www.pcpitstop.com

> >
> >Learn to type a ****ing URL.

> Fixed
> joevan



 
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-= Hawk =-
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Posts: n/a
 
      06-18-2004
On 18 Jun 2004 11:57:17 GMT, "Mr Mucky" <(E-Mail Removed)>
scribbled:

>didnt type a url, jus gid him addres, sure he can work IE.. dopey


Yes, you didn't type a URL because you ****ed it up, you illiterate
shitwit. Of course your second mangled sentence shows you don't even
know what the **** a URL is.


--
'What Profiteth It A Kingdom If The Oxen Be Deflated?'
Riddles II, v3
- T. Pratchett
 
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Avengerę
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      06-18-2004
On 18 Jun 2004 11:57:17 GMT, "Mr Mucky"
<(E-Mail Removed)> wrote:

>dopey


Ahhh, yep!!!!!!
--
Avengerę
http://www.velocityreviews.com/forums/(E-Mail Removed)
"Put the CAT out to reply"
*I DETEST Spam - A Spam Hater since 1951*
 
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