Re: [dhcwg] <draft-ietf-dhc-agent-subnet-selection-03.txt> - Classfull ?

Ted Lemon <Ted.Lemon@nominum.com> Tue, 08 October 2002 21:35 UTC

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Date: Tue, 8 Oct 2002 16:31:46 -0500
Subject: Re: [dhcwg] <draft-ietf-dhc-agent-subnet-selection-03.txt> - Classfull ?
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From: Ted Lemon <Ted.Lemon@nominum.com>
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> I wonder though how the DHCP server can derive a subnet from a single
> quantity being an IP address. e.g. 20.0.0.0 can be an alias for 
> 20.0.0.0/8
> or 20.0.0.0/29.
> So my guess is that the only way the DHCP server can derive the subnet 
> form
> is based on the leading bits of the address being either class A, B or 
> C.

The DHCP server is configured with a list of subnets.   It has to be, 
to make address assignment decisions.

This is exactly the same problem that you have if you use giaddr for 
subnet selection.

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