DHCP response to source address not helper address

Steven Carr sjcarr at gmail.com
Thu Jun 27 07:57:09 UTC 2013


On 26 June 2013 22:56, Steven Carr <sjcarr at gmail.com> wrote:
> To get this to work you need a NAT gateway/firewall that has
> the ability to modify/manipulate/translate the packets so that they
> make sense on either side of the gateway (not sure which vendors have
> this capability for DHCP)

Just to correct myself (shower epiphany moment this morning) this will
only be possible where you have a 1-to-1 NAT mapping and not a
1-to-many, and in that scenario you would configure the DHCP server
with the external subnet and the gateway/firewall would re-write the
external address in the packet to the internal address on the other
side of the NAT boundary.

Steve


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