On Sat, 22 Dec 2007 06:23:21 -0500, Dave wrote:
> My issue is i'm running a gateway box connected to rr via a linux box.
> That's running dhclient from isc as it's dhcp client getting it's ip via rr.
> My issue is whenever roadrunner changes my ip, which usually happens when
> i'm away, i have to get back here, rerun dhclient on the interface, and
> reload the firewall before the new ip is registered. An ifconfig on the
> interface shows the old ip still in place even though it's been
> reappropriated, and pinging or anything else doesn't work until i do the
> reset.
I assume you do NOT have tmdns or avahi* service/daemon running.
Think about it, if the lease is being renewed most of the time
then your firewall is not in the way.
I ran a firewall/gateway box on rr and the only times I had problems
was when the dhcp server or rr gateway box was taking a break.
You would need to look through your logs to see what happened when you
had the outage.
You can create a /etc/dhclient-exit-hooks script to tell you when
lease times, gateway, or ip change. I had one to tell me when lease
times became short indicating they were doing maintenance and I could
look forward to a possible outage.
You could have a daily cron job to ping -c 1 66.94.234.13 (yahoo.com) and
get a copy of files/log to see what happened if the ping fails.
Even restart the network upon failure.
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