Dynamic update to the wrong DNS zone file - Bind View - dhcp-client-identifier - multiple network cards with multiple differents subnets

Simon Hobson dhcp1 at thehobsons.co.uk
Wed Apr 27 13:04:53 UTC 2011

I wrote:

>Three instances of DNS is fairly easy since you can bind each one to 
>a different address on one interface.
>You can't do that with DHCP since it needs to receive broadcasts. 
>With some restrictions I think you can make ISC DHCP do it - but you 
>need to recompile it with different options set (dunno what, but 
>they prevent it directly dealing with packets on the interface) AND 
>all requests must come from remote networks via a relay agent set to 
>unicast the requests to the server.

I should have added that you can of course just bind each instance of 
DHCP to a separate network card.
Simon Hobson

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