[CentOS] CentOS-6 dhcpd

Les Mikesell lesmikesell at gmail.com
Fri Jul 15 19:26:32 UTC 2011

On 7/15/2011 1:54 PM, Timothy Murphy wrote:
> Ljubomir Ljubojevic wrote:
>> as a rule, you should declare ALL subnets in simple form:
>> subnet netmask { }
>> so ISC DHCP knows about them. Why, I do not know, but it is supposed to
>> be in newer versions (more strict rules for config file.)
> Thanks for your response.
> As far as I can see, my dhcpd.conf satisfies these conditions.
> But what puzzles me is, what defines the correspondence
> between interface and network,
> eg in my case eth1 ->
> Surely this should be there independently of dhcpd ?

Dhcpd shouldn't care about the name of the interface, but if the request 
hasn't been forwarded by a router/relay agent it needs to figure out the 
subnet of the interface where the request is received so it uses the 
corresponding range and options for the response.

   Les Mikesell
    lesmikesell at gmail.com

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