Re: eth0 is S-L-O-W--outgoing, that is
El Mar 18 Sep 2001 14:44, Tony Crawford escribió:
> How do I start diagnosing this?
> Incoming data from the LAN is as fast as it should be, but
> outgoing, whether Samba file transfer or POP3, looks like about
> 1/3 of one Mbit/s.
> In addition, there seem to be pauses of several seconds in larger
> transfers. Files or mail attachments that go over one MB often
> time out during these pauses.
> Debian 2.2, kernel 2.4.9 (A. Bunk's packages), acting as POP3
> server, Samba print server, and NAT gateway.
> The card is a D-Link DFE-530TX; takes the via-rhine driver. the
> diagnostics program from Donald Becker's site shows it's linked
> to the switch at a steady 100BASE-Tx.
> Disk access, as far as hdparm -tT goes, seems normal for ATA-33.
> (This is an Asus SP97-V board w SiS chipset, P233MMX CPU.)
> During a long, slow file transfer, top doesn't show any excessive
> CPU use--no process over 0.3%.
> The iptables configuration is minimal: just the one NAT rule, and
> incoming filters when the PPP link is up.
> Other configuration info available of course. I'm clueless what
> to do. Try other NICs on speculation? Downgrade the kernel
> How can I figure out where the problem is?
Some time ago I had a similar problem and the solution was moving
the computer from it's position. There were some kind of electric
interferences just behind the Ethernet card that killed ths signal.
This is very unlikely, but...
Mario J. Barchéin Molina. Granada (Spain)
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