[vortex] Problem with vortex card

[Donald Becker]

On Mon, 2 Apr 2001, Kn wrote:

> I am facing a problem ,which I saw in vortex mailing list , but no solution. 
> I have a comp with 3com vortex card (3c59x) . The machine was working fine 
> till alomst 2 hrs ago .... when all of sudden when I was ftp'ing onto the 
> machine .. i noticed  that the transfer rate has fallen by 10 times. I 
> generally get a speed of around 800kbps within network. Now when i "get" from 
> this machine .. the transfer rate is fine .. when I "put" something on this 
> machine I get a transfer rate of  maximum 80-90 kbps .
> 
> When I do Ifconfig it shows errors in RX packects and no errors in TX 
> packects.
> The following is the output of ifconfig immendiately after booting and ftping 
> in and out a file of size qround 3.1 Mb
> 
>           RX packets:4885 errors:523 dropped:0 overruns:1 frame:528
>           TX packets:4815 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:184 txqueuelen:100 

You have a bad cable, or a duplex mismatch.
Perhaps someone changed your switch port to forced full duplex?

My guess would be that it's a bad cable.

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993