[clug] Networking slows down to unusable levels until restarted; Fast upon resumption

[bnc at netspeed.com.au]

Not sure but your problems MAY be traceable back to NetworkManager.
YMMV
I am currently trying to get wicd http://wicd.sourceforge.net/ going on
my SUSE 11.2

Wicd is reportedly a much better option

Brian


On Fri, 2 Oct 2009 18:07:50 +1000
Andrew Janke <a.janke at gmail.com> wrote:

> On Fri, Oct 2, 2009 at 10:36, Christopher Giffard
> <christopher.giffard at gmail.com> wrote:
> > I'm having an interesting/frustrating networking issue - I'm hoping
> > somebody has seen this before, because I'm about to tear my hair
> > out!
> 
> I have had the same sort of issue in 8.10 and 9.04 (but not 8.04) with
> an e1000 PCIe network card. In my case I see lots of intermittent
> dropped packets and erratic ping times. Many things have been
> suggested but no luck so far.  For now I have this in cron:
> 
> bill:~# crontab -l
> # m h  dom mon dow   command
> 
> # STUPID NETWORK CARD/UBUNTU!
> */1 * * * * /root/bin/check-and-restart-net.sh > /dev/null 2>&1
> 
> 
> bill:~# cat bin/check-and-restart-net.sh
> #! /bin/sh
> 
> 
> # check if alive
> ping -c 1 murdoch.lclust > /dev/null
> 
> if [ $? = 0 ]
> then
>    echo "OK, doing nothing"
> else
>    echo "Borked, restarting"
>    /etc/init.d/NetworkManager restart
> fi
> 
> 
> Amusingly once I wrote this script the problem went away but just the
> ping is enough to keep things good. strange but I can't be bothered
> tracking down why.
> 
> 
> --
> Andrew Janke
> (a.janke at gmail.com || http://a.janke.googlepages.com/)
> Canberra->Australia    +61 (402) 700 883