problem with Linux box on network

I have a small home Ethernet network. One machine is running
Slackware Linux 13.0, KDE 4.2.4 and KMail 1.11.4 and Firefox. The
other runs Windows XP. My ISP is Time-Warner and I have a broadband
connection to the Internet.

Everything was working fine with the network, but suddenly email
downloads from Time-Warner's Road Runner POP server started to get
erratic. At first it seemed that rebooting helped, but now I can't
download my email at all.

I can usually ping the POP server, and I can always download my email
from the Windows machine, so it appears there is nothing wrong on the
server side. I can generally send email (although it appears to be a
little slow, and sometimes a perfectly ordinary email gets stuck in
the outbox).

Coincidentally, Firefox on the Linux box is also behaving
erratically. HTML processing get's stuck on "Waiting for
xyz.com...". HTML requests do not time out at the server, but the
page never comes. (Again, Firefox on the Windows machine works
normally.)

The fact that I have problems with *both* KMail (a KDE app) *and*
Firefox
makes me suspect there is a problem with the underlying TCP/IP
plumbing on the Linux machine. Is there a buffer overflowing
somewhere? A corrupted cache? Is there a log file I can look at?

Thanks & Best Regards,

Vwaju
NYC

On Wed, 27 Jul 2011 17:48:07 -0400, Vwaju <(E-Mail Removed)> wrote:

> The fact that I have problems with *both* KMail (a KDE app) *and*
> Firefox
> makes me suspect there is a problem with the underlying TCP/IP
> plumbing on the Linux machine. Is there a buffer overflowing

My first guess would be ipv6 is enabled, but the router isn't
ipv6 capable. Try disabling it.
http://www.linuxquestions.org/questi...1/#post4207411

Regards, Dave Hodgins

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