Re: help on assigning invalid IP addresses

Leonardo Boselli <[email protected]> Fri, 17 Jan 2020 21:06:48 +0100 (CET)
Newsgroups gmane.linux.debian.devel.firewall
Message-ID <[email protected]>
On Fri, 17 Jan 2020, Emil Pedersen wrote:
> Just to check, do you have a specification for the "invalid" subnet in some 
> way in the dhcp server pointing in the same direction as the "good" subnet?

I have

subnet 10.240.13.0 netmask 255.255.255.0 {
}

and the dns server has 10.240.13.3/24 assigned ....

> It was quite a long time since I messed with dhcp so I may be wrong but I 
> think that is required for what you want.  Like setting an extra (invalid) 
> address on the same interface and maybe a shared network wrapping with both 
> of the networks in the dhcp config (no available addresses for the bad one 
> except the one fixed to the device).

bit question is: if i give addresses, even just one, in the "invalid" 
network how can I be sure that are not assigned to regular clients ?


--
Leonardo Boselli
DICeA
tel +39 0552758808  +39 3488605348