[TriLUG] Ethernet Question

Shane O'Donnell shaneodonnell at gmail.com
Fri Jan 6 16:45:11 EST 2006


Interesting.  Anything in dmesg or /var/log/messages?

On 1/6/06, Steve Kuekes <steve at kuekes.homeip.net> wrote:
> No collisions or errors on the TX or RX and this machine has been up
>  >100 days.  The adapter that is giving the slowdown is a 1000/100/10
> speed adapter as well.  Its running the sk98lin driver.  Maybe I need a
> different driver for the adapter (Its on the motherboard).
>
> I tried running the mii-tool package and I get an error on the eth0 adapter
>
> SIOCGMIIPHY on 'eth0' failed: Bad address
>
> It works fine on the eth1 in the same machine.
>
> Shane O'Donnell wrote:
> > Also, check the stats provided by ifconfig and see if there are a lot
> > of collisions or errors on TX or RX.
> >
> > Shane O.
> >
> > On 1/6/06, Jason Tower <jason at cerient.net> wrote:
> >
> >>could a media negotiation mismatch.  ie, one end thinks it's
> >>full-duplex, the other thinks it's half duplex.  mii-tool should tell you:
> >>
> >>root at t42p:~# mii-tool eth0
> >>eth0: negotiated 100baseTx-FD, link ok
> >>
> >>
> >>Steve Kuekes wrote:
> >>
> >>>I'm having a strange problem on my home ethernet.
> >>>
> >>>I have two linux systems that are connected via a 10/100 hub, a linux
> >>>workstation and a linux server, both running slightly different versions
> >>>of Mandrake 10.0.
> >>>
> >>>When I do a sftp get from the server to the workstation for a large file
> >>>(like an iso image) I get about 170kb/sec throughput (as indicated by
> >>>sftp).  When I do a sftp put from the workstation to the server I get
> >>>500kb/sec.  And a get of the same file takes much longer than a put of
> >>>the same file.  I've also noticed this performance problem reading from
> >>>the linux server using a Windows/Samba connection and using a linux
> >>>client using NFS.  Writing data is fast, but reading is slow.
> >>>
>
> --
> Steve Kuekes
>
> Insight Racing http://www.insightracing.org
> Private Pilot: N9259R '95 Saratoga based at Sanford-Lee County Regional
> (TTA)
> email: skuekes at nc.rr.com
> --
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>


--
Shane O.
========
Shane O'Donnell
shaneodonnell at gmail.com
====================



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