Why use dhcpd.interfaces or flags at all?

In current, and maybe even 4.2, dhcpd will detect interfaces automatically.

Rod Whitworth [EMAIL PROTECTED] wrote:
> On Mon, 25 Feb 2008 15:43:55 +0100, Kasper Revsbech wrote:
> 
> >Hi
> >I have some problems with my dhcp server, and is trying to debug the setup.
> >I would like to have a subnet on each interface and therefore dhcpd to 
> >span both interfaces.
> >For that purpose I use /etc/dhcpd.interfaces where i have:
> >vr0
> >vr1
> >But i can't find a man page on this file so I can't see if it make a 
> >difference whether I  write:
> >vr0 vr1
> >
> >or
> >
> >vr0
> >vr1
> >
> >
> >So my question is:
> >Is there a difference ?
> NO
> 
> >Is it just me who can't find documentation on this ?
> 
> NO but the file is self documenting. The supplied file says:
> #       $OpenBSD: dhcpd.interfaces,v 1.1 1998/08/19 04:25:45 form Exp $
> #
> # List of network interfaces served by dhcpd(8).
> #
> # ep0
> # ed0 le0
> # de1
> 
> That should tell you something. It is effectively a combination of your
> alternatives except that it deals with four interfaces.
> 
> When I discovered that file I started using it and, because there was
> no man page I started writing one. The reason I stopped was because,
> whilst that file is itself very simple, the process by which it is used
> is complicated and unable to be used in a restart of dhcpd.
> 
> For me dhcpd.interfaces is deprecated. It is simpler to use
> dhcpd_flags="if0 if1" which does not require the parsing that
> dhcpd.interfaces requires to allow its free format.
> 
> Restarting still means entering the command and the list of interfaces
> e.g.
> #dhcpd if1 if2
> but I don't know of many cases where more than a few ifs are used.
> Those users could script their command if it's too hard to do from
> memory.
> 
> OK?
> 
> 
> >
> >BTW:
> >I use openbsd 4.2 ;)
> >
> >
> >Kind regards:
> >Kasper Revsbech
> >
> 
> Replies to the list (if any) are sufficient, thanks.
> 
> Rod/
> /earth: write failed, file system is full
> cp: /earth/creatures: No space left on device

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