Hi debian!
On Tue, 12 Feb 2002, debian@clouded.org wrote:
> On Tue, 12 Feb 2002, Martin Wuertele wrote:
> > default-lease-time 600;
> > max-lease-time 7200;
>
> I am also using those default values. The problem does not arise when the
> dhcp server goes down, but when it comes back up. Some machines end up
> with a new IP and existing connections die. Like ssh connections. :(
did you try using fixed ip addresses based on mac address?
looks like i don't have that problem as most of the boxes in the office
have a fixed address and the dhcp server has an uptime of 150 days...
propably you have a problem with dhcpd.leases
from man dhcpd.leases
"There is a window of vulnerability where if the dhcpd pro
cess is killed or the system crashes after the old lease
database has been renamed but before the new one has been
moved into place, there will be no /var/dhcp/dhcpd.leases.
In this case, dhcpd will refuse to start, and will require
manual intervention. DO NOT simply create a new lease
file when this happens - if you do, you will lose all your
old bindings, and chaos will ensue. Instead, rename
/var/dhcp/dhcpd.leases~ to /var/dhcp/dhcpd.leases, restor
ing the old, valid lease file, and then start dhcpd.
This guarantees that a valid lease file will be restored."
yours martin
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