conflicting command line options and dhcp.conf statements

sandeep.vashisht at sandeep.vashisht at
Wed May 17 03:33:30 UTC 2006

Hi all,

I am looking for the DHCP server with authentication option - 90.
I am seraching through the net but could not find it.

Plz let me know if there is any server present.

Thanks and regards,

-----Original Message-----
From: dhcp-users-bounce at [mailto:dhcp-users-bounce at] On
Behalf Of Ted Lemon
Sent: Wednesday, May 17, 2006 2:32 AM
To: dhcp-users at
Cc: Andrew Pollock; Joe Bill
Subject: Re: conflicting command line options and dhcp.conf statements

On Tuesday 16 May 2006 13:43, Andrew Pollock wrote:
> I know of multiple people who get extremely cranky about dhclient's
> behaviour where it ignores interfaces on the command line in favour of

> interfaces mentioned in the config file.

I know of people who get cranky when the sun rises.   But in fact the
you're describing is largely the result of a vast difference between the
design philosophy with which I originally wrote the client and the
design philosophy of the ifup and ifdown scripts.

In the context of those scripts, of course it's a horrible botch that
the command line doesn't override the configuration file, but it was
never my intention that the DHCP client should be started and stopped on
a per-interface basis, nor that there ever be more than one instance of
it running at a time anyway.

I say this not to indicate "so it's not a bug," but merely to point out
that there's a reason why it's that way - it's not an accident.

BTW, since you're here, do you have any clue why the kernel won't
receive broadcasts to when the interface has a zero IP

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