[Eug-lug] arp kernel voodoo question for the gurus.

[Ben Barrett]

whoops on me :)  Misread shorten, ha.
Looks like hammer on the nail, Mike.

On 8/17/07, Ben Barrett <stircrazyben at gmail.com> wrote:
>
> Do you want it to ignore arp requests from other network devices as well?
> (or just slow down the requests generated from this machine?)
>
> ben
>
>
> On 8/17/07, larry price <laprice at gmail.com> wrote:
> >
> > On 8/17/07, Mike Cherba <mike.cherba at caviumnetworks.com> wrote:
> > > Larry,
> > >         I did a little digging and I finally found something that
> > appears to
> > > confirm my idea that gc_stale_time is the answer.
> > > http://linux-ip.net/html/ether-arp.html
> > > you will  want to change this for the interface in question, as the
> > > default values only get used when creating new interfaces.
> >
> > setting
> > net.ipv4.neigh.eth0.gc_stale_time =3D 5  //a ridiculously low value
> >
> > and watching the interface with
> > tcpdump -i eth0 arp
> >
> > does not force arp requests every 5 seconds as you might expect.
> >
> > reading through /net/core/neighbour.c doesn't really give me any ideas
> > as to what's going on.
> >
> > net/ipv4/arp.c has the functions for creating and sending arp packets,
> > but I'm missing the governing logic.
> > _______________________________________________
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> >
>
>
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