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 From:  Falcor <falcor at netassassin dot com>
 To:  Bart Smit <bit at pipe dot nl>
 Cc:  m0n0wall dash dev at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall-dev] DHCP pitfall
 Date:  Thu, 21 Jun 2007 08:20:59 -0700
Why would you change the interface IP and then leave the DHCP issuing 
addresses for some other subnet?  Perhaps if you updated that too, then 
say restarted the system?

Bart Smit wrote:

>Changing the IP address on an interface while a dhcp server is active
>on that interface, silently takes down dhcp on all interfaces, without
>you noticing it, at least not until some time later, when leases start
>to expire.
>The obvious theory is that changing the IP address renders the dhcp
>config invalid, preventing dhcpd from starting. Perhaps an extra check
>or warning would be appropriate. Or maybe just disabling dhcp for any
>interface whose basic config changes?
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