Not sure if this will fix it, but try the rrlogind package:
http://phoenix.vortech.net/rrlinux/files/rrlogind-2.21.tar.gz
It comes with a custom dhcpcd for road runner and rrlogind. I've pretty much
got the same setup as you and don't ever have any problems.
On 22-Jul-99 ShawnDo wrote:
> I installed the new mandrake release
> and promptly setup the ipchain rules
> using the 3 step process in the ipchains HOWTO.
> It works perfectly for about 20 hours, then
> for some reason, the Network just dies., can't ping
> anything, including my internal network!.(no error
> messages either) I have done
> all the updates, but I just can't figure it out.
> I reboot, then everything works fine again, for about
> another 20 hours. It happens wether the network is
> IDLE or actively downloading stuff. sometimes it is
> the
> only the outside interface that dies.
>
> I have been runn Mandrake 5.3
> for a very long time, and it had no problems, so Its
> not the hardware. And it is not
>
> I have 2 SMC 10 mbit cards (ne2k)
> the outgoing interface is eth1
> and the internal interface is eth0
>
> I am using Time Warner's Road Runner, and I am
> using a perl MD5 login
> script that has been working for the past 10 months
> (hourly cron job)
>
> I'm going to try redhat 6.0 if I can't solve this
> thing
> by this weekend, but Im worried I will run into the
> same problem.
>
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