Openserver 5.0.5
I have a small home network of the SCO box and 2 winblows XP boxes using
VisionFS 3.10.905

One of the XP boxes can open files on the SCO box quite rapidly, the
other is about 1/10th as fast. The slow machine is my wife's naturally
and I am getting no end of grief.

Both machines are communicating via 100 Mb/s full duplex according to
the Linksys unmanages switch that is the hub.

When sending a file to her machine the linksys lights blink slooowly.
When sending a file to my machine they blink rapidly.

netstat -I net1 reports 11220 collisions for 133023 Opkts.

Anyone have any suggestions on how to track down what is happening and
fix it ?

--
Bill Drescher
william {at} TechServSys {dot} com

In article <vvg233ralgb3b6@corp.supernews.com>,
bill drescher <nobody@Spamcop.net> wrote:
>Openserver 5.0.5
>I have a small home network of the SCO box and 2 winblows XP boxes using
>VisionFS 3.10.905
Have you tried .911?
>
>One of the XP boxes can open files on the SCO box quite rapidly, the
>other is about 1/10th as fast. The slow machine is my wife's naturally
>and I am getting no end of grief.
I understand THAT one (My wife uses me for tech support as well :-) )
>
>Both machines are communicating via 100 Mb/s full duplex according to
>the Linksys unmanages switch that is the hub.
>
>When sending a file to her machine the linksys lights blink slooowly.
>When sending a file to my machine they blink rapidly.
>
>netstat -I net1 reports 11220 collisions for 133023 Opkts.
>
>Anyone have any suggestions on how to track down what is happening and
>fix it ?
If you are running 100 FULL, you should see ZERO collisions. this implies
a duplex mis-match to my network engineer eyes.

Double check the duplex on ALL devices between the two boxes.

LER
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749

bill drescher <nobody@Spamcop.net> wrote in message news:<vvg233ralgb3b6@corp.supernews.com>...
> Openserver 5.0.5
> I have a small home network of the SCO box and 2 winblows XP boxes using
> VisionFS 3.10.905
>
> One of the XP boxes can open files on the SCO box quite rapidly, the
> other is about 1/10th as fast. The slow machine is my wife's naturally
> and I am getting no end of grief.
>
> Both machines are communicating via 100 Mb/s full duplex according to
> the Linksys unmanages switch that is the hub.
>
> When sending a file to her machine the linksys lights blink slooowly.
> When sending a file to my machine they blink rapidly.
>
> netstat -I net1 reports 11220 collisions for 133023 Opkts.
>
> Anyone have any suggestions on how to track down what is happening and
> fix it ?

Easy;
Trade machines and your problems will go away, although the speed
will not change.

Or double check the gateway settings.
Are you using DHCP?

Good Luck

Regards...Dan.

In article <8ce22d01.0401041826.76664e0a@posting.google.com >,
Dan Skinner <JDanSkinner@JDanSkinner.com> wrote:
>bill drescher <nobody@Spamcop.net> wrote in message news:<vvg233ralgb3b6@corp.supernews.com>...
>> Openserver 5.0.5
>> I have a small home network of the SCO box and 2 winblows XP boxes using
>> VisionFS 3.10.905

>> One of the XP boxes can open files on the SCO box quite
>> rapidly, the other is about 1/10th as fast. The slow machine is
>> my wife's naturally and I am getting no end of grief.

>> Both machines are communicating via 100 Mb/s full duplex
>> according to the Linksys unmanages switch that is the hub.

>> When sending a file to her machine the linksys lights blink
>> When sending a file to slooowly. my machine they blink rapidly.

>> netstat -I net1 reports 11220 collisions for 133023 Opkts.

>> Anyone have any suggestions on how to track down what is
>> happening and fix it ?

>Easy;

>Trade machines and your problems will go away, although the speed
>will not change.

>Or double check the gateway settings.
>Are you using DHCP?

Not all speed transfer problems are easy to solve. And they all
don't appear to be duplex problems - but in this case they may be.

We've seen consistant problems between OSX and other OSes on
a local network - and even when different switches were tried.
But on the same network OSX to OSX flies.

It's been under observation for the past 2 months and various
pieces has been reconfigured and swapped out. Next solution gets
tried next week.

I just say that because "Easy:" is not always 'easy'. :-)

And for the machines that I could not get inside to monitor the
transfer rates I find ping with various size packets is a good
tool.

On the above pings work with no problem until you make the packets
larger. Once I got about a 200 bytes/packet I'd see occaisonal
losses but when I got to the 1400-1500 byte/packet range on pings
losses came in at 60% which relates to the 9MB/sec OSX to OSX
transfer rate and the 50KBsec OSX to/from other OSes.

Next step is to put in a different NIC in the G4s instead of
onboard.

Some days you have to run as fast as you can just stay in last
place and not drop out of the running.


--
Bill Vermillion - bv @ wjv . com

Dan Skinner wrote:
> bill drescher <nobody@Spamcop.net> wrote in message news:<vvg233ralgb3b6@corp.supernews.com>...
>
>>Openserver 5.0.5
>>I have a small home network of the SCO box and 2 winblows XP boxes using
>>VisionFS 3.10.905
>>
>>One of the XP boxes can open files on the SCO box quite rapidly, the
>>other is about 1/10th as fast. The slow machine is my wife's naturally
>>and I am getting no end of grief.
>>
>>Both machines are communicating via 100 Mb/s full duplex according to
>>the Linksys unmanages switch that is the hub.
>>
>>When sending a file to her machine the linksys lights blink slooowly.
>>When sending a file to my machine they blink rapidly.
>>
>>netstat -I net1 reports 11220 collisions for 133023 Opkts.
>>
>>Anyone have any suggestions on how to track down what is happening and
>>fix it ?
>
>
> Easy;
> Trade machines and your problems will go away, although the speed
> will not change.

Well gee, that would solve my wife's problem and thus a big part of
mine, but then I would be stuck with the slow connection. But her
machine is much faster than mine as she does a lot of graphics work so
she would complain about her slow machine then. I guess not a good
solution.
>
> Or double check the gateway settings.
> Are you using DHCP?

yes and no. the machines in question have static ip addresses, but the
firewall does supply dhcp to the laptop when I plug it in.

The network is all peer to peer

world
|
firewall/dhcp (netgear FVS318)
|
Linksys switch
| | | |
SCO XP XP Laptop, sometimes, but not now

>
> Good Luck
>
> Regards...Dan.


--
Bill Drescher
william {at} TechServSys {dot} com

Larry Rosenman wrote:

> In article <vvg233ralgb3b6@corp.supernews.com>,
> bill drescher <nobody@Spamcop.net> wrote:
>
>>Openserver 5.0.5
>>I have a small home network of the SCO box and 2 winblows XP boxes using
>>VisionFS 3.10.905
>
> Have you tried .911?
>
>>One of the XP boxes can open files on the SCO box quite rapidly, the
>>other is about 1/10th as fast. The slow machine is my wife's naturally
>>and I am getting no end of grief.
>
> I understand THAT one (My wife uses me for tech support as well :-) )
>
>>Both machines are communicating via 100 Mb/s full duplex according to
>>the Linksys unmanages switch that is the hub.
>>
>>When sending a file to her machine the linksys lights blink slooowly.
>>When sending a file to my machine they blink rapidly.
>>
>>netstat -I net1 reports 11220 collisions for 133023 Opkts.
>>
>>Anyone have any suggestions on how to track down what is happening and
>>fix it ?
>
> If you are running 100 FULL, you should see ZERO collisions. this implies
> a duplex mis-match to my network engineer eyes.

Her machine had automagically switched to half-duplex when I unpowered
the switch, I had to reboot her machine to get it back to full-duplex.
It was running half-duplex (according to the Linksys) for about a week
even though the configuration data XP reported for the 3COM card said
full-duplex. Rebooting her machine restored it to full duplex but the
number of collisions is now at 21075. Hmmmmm

>
> Double check the duplex on ALL devices between the two boxes.

The LInksys reports full duplex and no collisions (via the lights, which
is probably not the most accurate way of looking at it).

Any other suggestions on how to demonstrate if a winxp machine is in
full or half duplex and/or is there a winxp program to get
collision/error stats ?
>
> LER


--
Bill Drescher
william {at} TechServSys {dot} com

On Mon, 05 Jan 2004 07:48:51 -0500, bill drescher <nobody@Spamcop.net>
wrote:

>Larry Rosenman wrote:
>
>> In article <vvg233ralgb3b6@corp.supernews.com>,
>> bill drescher <nobody@Spamcop.net> wrote:
>>
>>>Openserver 5.0.5
>>>I have a small home network of the SCO box and 2 winblows XP boxes using
>>>VisionFS 3.10.905
>>
>> Have you tried .911?
>>
>>>One of the XP boxes can open files on the SCO box quite rapidly, the
>>>other is about 1/10th as fast. The slow machine is my wife's naturally
>>>and I am getting no end of grief.
>>
>> I understand THAT one (My wife uses me for tech support as well :-) )
>>
>>>Both machines are communicating via 100 Mb/s full duplex according to
>>>the Linksys unmanages switch that is the hub.
>>>
>>>When sending a file to her machine the linksys lights blink slooowly.
>>>When sending a file to my machine they blink rapidly.
>>>
>>>netstat -I net1 reports 11220 collisions for 133023 Opkts.
>>>
>>>Anyone have any suggestions on how to track down what is happening and
>>>fix it ?
>>
>> If you are running 100 FULL, you should see ZERO collisions. this implies
>> a duplex mis-match to my network engineer eyes.
>
>Her machine had automagically switched to half-duplex when I unpowered
>the switch, I had to reboot her machine to get it back to full-duplex.
>It was running half-duplex (according to the Linksys) for about a week
>even though the configuration data XP reported for the 3COM card said
>full-duplex. Rebooting her machine restored it to full duplex but the
>number of collisions is now at 21075. Hmmmmm
>
>>
>> Double check the duplex on ALL devices between the two boxes.
>
>The LInksys reports full duplex and no collisions (via the lights, which
>is probably not the most accurate way of looking at it).
>
>Any other suggestions on how to demonstrate if a winxp machine is in
>full or half duplex and/or is there a winxp program to get
>collision/error stats ?
>>
>> LER

Assuming there are no problems with the h/w and s/w
on the machines - not all machines are created equally!

I have discovered a constant on drive I/O that effects downloads:
Download to a high end SCSI machine with raided U320 drives
and things go like the wind. Download to a (possibly low-end)
IDE-100 and things slow down dramatically.

Also, different motherboards are designed with good and crappy I/O
that effect downloads given same peripherals (especially netcards).
(Without extreme scientific testing, we have proved this to
ourselves.)

In article <vvin9kd8ul26e@corp.supernews.com>,
bill drescher <nobody@Spamcop.net> wrote:
>Larry Rosenman wrote:
>
>> In article <vvg233ralgb3b6@corp.supernews.com>,
>> bill drescher <nobody@Spamcop.net> wrote:
>>
>>>Openserver 5.0.5
>>>I have a small home network of the SCO box and 2 winblows XP boxes using
>>>VisionFS 3.10.905
>>
>> Have you tried .911?
>>
>>>One of the XP boxes can open files on the SCO box quite rapidly, the
>>>other is about 1/10th as fast. The slow machine is my wife's naturally
>>>and I am getting no end of grief.
>>
>> I understand THAT one (My wife uses me for tech support as well :-) )
>>
>>>Both machines are communicating via 100 Mb/s full duplex according to
>>>the Linksys unmanages switch that is the hub.
>>>
>>>When sending a file to her machine the linksys lights blink slooowly.
>>>When sending a file to my machine they blink rapidly.
>>>
>>>netstat -I net1 reports 11220 collisions for 133023 Opkts.
>>>
>>>Anyone have any suggestions on how to track down what is happening and
>>>fix it ?
>>
>> If you are running 100 FULL, you should see ZERO collisions. this implies
>> a duplex mis-match to my network engineer eyes.
>
>Her machine had automagically switched to half-duplex when I unpowered
>the switch, I had to reboot her machine to get it back to full-duplex.
>It was running half-duplex (according to the Linksys) for about a week
>even though the configuration data XP reported for the 3COM card said
>full-duplex. Rebooting her machine restored it to full duplex but the
>number of collisions is now at 21075. Hmmmmm
Are you forcing it to 100/full in the properties for the card?

The auto-negotiation stuff occasionally gets it wrong.

This still smells like a speed and/or duplex mismatch.

Please try forcing the card to 100/full in the NIC advanced properties page.

LER

>
>>
>> Double check the duplex on ALL devices between the two boxes.
>
>The LInksys reports full duplex and no collisions (via the lights, which
>is probably not the most accurate way of looking at it).
>
>Any other suggestions on how to demonstrate if a winxp machine is in
>full or half duplex and/or is there a winxp program to get
>collision/error stats ?
>>
>> LER
>
>
>--
>Bill Drescher
>william {at} TechServSys {dot} com
>


--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749

Larry Rosenman wrote:
> In article <vvin9kd8ul26e@corp.supernews.com>,
> bill drescher <nobody@Spamcop.net> wrote:
>
>>Larry Rosenman wrote:
>>
>>
>>>In article <vvg233ralgb3b6@corp.supernews.com>,
>>>bill drescher <nobody@Spamcop.net> wrote:
>>>
>>>
>>>>Openserver 5.0.5
>>>>I have a small home network of the SCO box and 2 winblows XP boxes using
>>>>VisionFS 3.10.905
>>>
>>>Have you tried .911?
>>>
>>>
>>>>One of the XP boxes can open files on the SCO box quite rapidly, the
>>>>other is about 1/10th as fast. The slow machine is my wife's naturally
>>>>and I am getting no end of grief.
>>>
>>>I understand THAT one (My wife uses me for tech support as well :-) )
>>>
>>>
>>>>Both machines are communicating via 100 Mb/s full duplex according to
>>>>the Linksys unmanages switch that is the hub.
>>>>
>>>>When sending a file to her machine the linksys lights blink slooowly.
>>>>When sending a file to my machine they blink rapidly.
>>>>
>>>>netstat -I net1 reports 11220 collisions for 133023 Opkts.
>>>>
>>>>Anyone have any suggestions on how to track down what is happening and
>>>>fix it ?
>>>
>>>If you are running 100 FULL, you should see ZERO collisions. this implies
>>>a duplex mis-match to my network engineer eyes.
>>
>>Her machine had automagically switched to half-duplex when I unpowered
>>the switch, I had to reboot her machine to get it back to full-duplex.
>>It was running half-duplex (according to the Linksys) for about a week
>>even though the configuration data XP reported for the 3COM card said
>>full-duplex. Rebooting her machine restored it to full duplex but the
>>number of collisions is now at 21075. Hmmmmm
>
> Are you forcing it to 100/full in the properties for the card?
>
> The auto-negotiation stuff occasionally gets it wrong.
>
> This still smells like a speed and/or duplex mismatch.
>
> Please try forcing the card to 100/full in the NIC advanced properties page.
>
> LER
>

It was forced to 100,full from the beginning. However it still managed
to switch to 100/half for no apparent reason and went back to 100/full
on reboot.
>
....

--
Bill Drescher
william {at} TechServSys {dot} com