[clug] "Neighbour table overflow"
sjh at svana.org
Tue Oct 28 17:24:23 EST 2003
On Tue, Oct 28, 2003 at 05:12:33PM +1100, Kim Holburn wrote:
> At 4:15 PM +1100 03/10/28, Matthew Hawkins wrote:
> >Kim Holburn said:
> >> At 1:58 PM +1100 03/10/28, Matthew Hawkins wrote:
> >>>Umm.. you can increase the size of the table via a /proc entry.
> >> Which one?
> Somewhere in the net I found this:
> echo 1024 > /proc/sys/net/ipv4/neigh/default/gc_thresh1
> echo 2048 > /proc/sys/net/ipv4/neigh/default/gc_thresh2
> echo 4096 > /proc/sys/net/ipv4/neigh/default/gc_thresh3
> Now do I just need to do that once? Do I need to reboot/restart interfaces after?
just once to set them.
> On reboot do I need to remind my system of this? Where would be the optimal place (debian system)?
yes on reboot they need to be reset, on a debian system the best place to do
this is in /etc/sysctl.conf
sjh at wibble.net http://svana.org/sjh
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