[CentOS] CentOS5 Network Problems

semi linux linuxsemi at gmail.com
Thu Sep 20 23:59:14 UTC 2007


On 9/20/07, James A. Peltier <jpeltier at cs.sfu.ca> wrote:
> semi linux wrote:
> > I have a very odd problem connecting to some websites from my CentOS 5 box
> >
> > Target websites:
> > www.connecttech.com
> > www.3ware.com
> > (two of my HW vendors)
> >
> > I can usually get some kind of response, but if the content (download
> > or page itself) is larger in size (downloads never pass 100K), then it
> > hangs...
> >
> > When I fire-up wireshark, I get a lot of ougoing highlighted Checksum
> > Errored packets but I don't know what's causing it...  Here's what
> > I've eliminated thus far:
> >
> > - Websites are up and responsive
> > - Cable(s) is fine
> > - Network drop is fine
> > - I put myself behind a firewall to make sure it wasn't my network
> > - Network card has been switched
> > - Driver has been switched
> > - Removed any firewall
> > - wget has problems as well
> > - Other computers on the same network work fine.
> >
> > Sites like maps.google.com work just fine...  I'm open to any
> > suggestion at this point.
> >
> > I'm completely lost.
> >
> > - G.
> > _______________________________________________
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> > CentOS at centos.org
> > http://lists.centos.org/mailman/listinfo/centos
>
> When you say network drop is fine does that mean from the switch to your
> computer?  Have you tried a different port on your switch?

I've used my laptop on the same network drop...
I've changed from port A to B in this cube and I've tried A and B in
the cube next to me... all four ports produce the same result with the
system but work fine with my laptop.



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