---- Original Message ----
From: admin-maillist@talstar.com
To: ntisp@iea-software.com,
Subject: RE: Re: [NTISP] 100Mbit slowdown problem
Date: Fri, 10 Mar 2000 11:26:10 -0500
>From: Malcolm Joosse <malcolm@hotline.net.au>
>> We have tried to set the server to 100FD but it would only run for
a short
>> period of time before going back to 100HD. The same thing happens
on the
>> workstations with 100FD settings.
>> We are running a 16 port Planet 10/100 Switch.
>> Both the server and CAD stations have 3Com 10/100 3c509's, I
believe that
>we
>> have ruled out cabling and the cards in the PC seem ok it only the
switch
>> could be the problem.
>
>Maybe you hve to specify which device (switch or NIC) is the
"master".
>Sometimes there are full/half duplex issues but I've only seen them
with
>network devices (routers, etc.) and a few Suns. We have an HP
AdvanceStack
>Switch 2000 with 4 100VG modules (and also some 10Mb modules). The
100VG
>modules presently have a single computer (3 servers and my
workstation)
>plugged directly into each one. In our case, I'm able to leave the
>computers and the HP at their default "automatic" sensing settings
and
>everything works flawlessly. In fact, in the 3.5 years that it's
been set
>up this way, I've never seen a single errored packet go to or from
any of
>the 100VG-based computers. Too bad 100VG (vg=video grade) isn't
compatible
>with 100TX.
>
>Josh
>
>> -----Original Message-----
>> From: ntisp-request@iea-software.com
>> [mailto:ntisp-request@iea-software.com]On Behalf Of Stainforth,
Matthew
>> Sent: Friday, March 10, 2000 11:40 PM
>> To: 'ntisp@iea-software.com'
>> Subject: RE: [NTISP] 100Mbit slowdown problem
>>
>>
>>
>> manually set the switch port and the card to 100 mbit full or half
duplex.
>> When these settings don't jive between the card and switch it can
cause
>the
>> problems you describe.
>>
>> Matthew Stainforth || Technical Services Manager || BrunNet Inc.
>>
>>
>> > -----Original Message-----
>> > From: Malcolm Joosse [mailto:malcolm@hotline.net.au]
>> > Sent: Friday, March 10, 2000 12:45 AM
>> > To: winnt-inet@net-shopper.co.uk; ntisp@iea-software.com
>> > Subject: [NTISP] 100Mbit slowdown problem
>> >
>> >
>> > Hello List,
>> > We have a client that has grown from 5 staff to 50 in 1 year.
>> > They were having network slowdown problems so we put in a
>> > 3Com 100Mbit card
>> > in the server and a 10/100Mbit Switch. This made a huge
>> > difference to the
>> > speed of the entire network. The problem now is that they
>> > have 3 CAD PC's
>> > that were on 10Mbit and they thought that it would be good to
>> > put 100Mbit
>> > cards in them. So we did and plugged them straight into the
>> > switch. They
>> > tested by saving a 1Mb file, it took 5sec on 10Mbit but 30sec
>> > on 100Mbit. I
>> > thought that the problem may be the CAT5 cabling but we got a
>> > shielded CAT5
>> > cable and ran it directly from the PC to the switch, but it made
no
>> > difference. I thought that the server cable may be the
>> > problem so we ran
>> > another shielded cable from the server to the switch but no
change.
>> >
>> > The problem I have is that the client wants to have a fast
network but
>> > nothing we change seems to make it any faster.
>> > Any ideas as to why the files take longer to save at 100 than at
10 ?
>> >
>> > Help
>> > Regards
>> >
>> > Malcolm Joosse
>> > Hotline Support Pty. Ltd.
>> > malcolm@hotlinesupport.com
>> > www.hotlinesupport.com
>> >
>> >
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>
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