Re: Lost Packets

From: David Candy (david_at_mvps.org)
Date: 03/31/04 

Date: Wed, 31 Mar 2004 19:50:44 +1000

I agree - drivers or cables. Also less frequently set you cards to 1/2 duplex rather than full. It's often faster. 

-- 
----------------------------------------------------------
http://www.g2mil.com/Dec2003.htm
"Kristofer Gafvert" <kgafvert@NEWSilopia.com> wrote in message news:u86s3QwFEHA.3568@tk2msftngp13.phx.gbl...
> The easiest to do, and many times solves problems like this, is to update
> the NIC driver on both computers. If this does not fix your problem, i would
> recommend you to try to connect the computer using a cross over cable. That
> will tell you if you have a problem with a switch/hub/other device, that
> connects these two computers together.
> 
> I have seen this before, and in that case, the problem was a switch that did
> not work properly (fast in one direction, very slow in the other direction).
> Furthermore, only two computers were affected. It is possible that you have
> a similar problem, and a cross over cable will tell you if this is the case.
> 
> Also, worth to check is if you have any firewall on any of the PCs involved.
> This can also slow down the traffic. AV software with real time checking,
> can also cause slow downs.
> 
> -- 
> Regards,
> Kristofer Gafvert - IIS MVP
> Reply to newsgroup only. Remove NEWS if you must reply by email, but please
> do not.
> www.ilopia.com - FAQ and Tutorials for Windows Server 2003
> 
> 
> "Jansen Barbara" <jansen@maltanet.net> wrote in message
> news:7c51b5e2.0403310123.28228e17@posting.google.com...
> > I just installed a P1 with win xp.Everything seemed ok until I found
> > out that transfering a 340Mb file from my P3 win xp to this P1 winxp
> > was going to take ages.In fact windows said that it will be transfered
> > at 131hrs.After some minutes transfering the first part of the file, I
> > had a message stating somethign like "the resource is not anymore
> > available"
> >
> > I started troubleshooting the problem by pinging from my host computer
> > (P3) to this Pc (P1) and had request timed outs like the following:
> >
> > Pinging testpc [192.168.0.235] with 32 bytes of data:
> >
> > Reply from 192.168.0.235: bytes=32 time<1ms TTL=128
> > Reply from 192.168.0.235: bytes=32 time<1ms TTL=128
> > Request timed out.
> > Request timed out.
> >
> > Ping statistics for 192.168.0.235:
> >     Packets: Sent = 4, Received = 2, Lost = 2 (50% loss),
> > Approximate round trip times in milli-seconds:
> >     Minimum = 0ms, Maximum = 0ms, Average = 0ms
> >
> > To keep this note short,trying from the testpc I also had same loss of
> > packets.On the other hand I tried pinging the other P3 pc (win xp)
> > however I never received any loss of packets.I also tried transfering
> > the same file from this host pc to the other P3 pc.The last only took
> > around 5minutes or less.
> >
> > then I checked the mac addresses:
> >
> > P1 - 00-30-4F-04-9F-61
> > P3 - 00-30-4F-04-9F-52
> > P3 - 00-50-FC-80-5C-8A
> > P3 - 00-E0-06-09-55-66
> >
> > No mac conflict.
> > I just went from another P3 to try the transfer. I started pinging the
> > P1 pc from the other PC and had no request timed outs until I started
> > again transfering the file.I've noticed that when there is any network
> > operation on this P1 Pc packets are being lost.Just displaying the
> > drive contents will give request timed out.Is this problem related to
> > a P1 with xp? or Is this problem coming since the P1 can't handle this
> > speed. I am connected 100Mbps on all computers! Can I slow something
> > from the P1 so that transfer at least can be done.
> >
> > Small note:
> >
> > On this P1 pc I have Internet browsing,which is quit normal speed for
> > this P1.Pages load in few seconds.
> >
> > Is it a problem of bottle neck?Can I increase time outs
> >
> > Regards
> > Jansen
> 
>

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