DHCP-Authoritative?

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dskum
DD-WRT Novice


Joined: 05 Oct 2008
Posts: 24

PostPosted: Fri Nov 07, 2008 20:39    Post subject: DHCP-Authoritative? Reply with quote
Guys - What is the use of DHCP-Authoritative? switch just was wondering what are the effects in DD-WRT. Tried searching on net and there is no clear explanation for this anywhere. (Even out of DD-WRT world)

Not sure why and where its used for?

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dpp3530
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Joined: 12 Dec 2007
Posts: 467
Location: Pittsburgh, PA USA

PostPosted: Fri Nov 07, 2008 23:22    Post subject: Reply with quote
From the manpage of DNSMASQ at http://www.thekelleys.org.uk/dnsmasq/docs/dnsmasq-man.html
Quote:
-K, --dhcp-authoritative
Should be set when dnsmasq is definitely the only DHCP server on a network. It changes the behaviour from strict RFC compliance so that DHCP requests on unknown leases from unknown hosts are not ignored. This allows new hosts to get a lease without a tedious timeout under all circumstances. It also allows dnsmasq to rebuild its lease database without each client needing to reacquire a lease, if the database is lost.


A better explanation of what it means is on the ISC DHCP page.

http://www.isc.org/index.pl?/sw/dhcp/authoritative.php

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