[c-nsp] Low activity systems lose net connectivity

[Tauren Mills]

Phil,

Thanks for the suggestion.  However, changing the arp timeout to 300
doesn't seem to have helped.

Tauren


On 6/2/07, Phil Mayers <p.mayers at imperial.ac.uk> wrote:
> Tauren Mills wrote:
> > Hello,
> >
> > I have a very simple network with about 5 linux servers, a cisco
> > 3500XL switch and a 2600 router.
> >
> > There is a problem with servers that have very little or no traffic.
> > The network interfaces on the low traffic servers seems to become
> > non-response after a very short period of time (as low at 15 seconds
> > of inactivity), and then existing connections timeout (such as SSH
> > sessions).
>
> There is a pretty common problem where FDB entries expire after 300
> seconds but the default ARP aging time on Ciscos is (massively,
> inexplicably) 4 hours.
>
> Try "arp timeout 300" on the routers IP interface.
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