forwarding DHCP packets via a router.

Gero Palacio gero.palacio at
Mon Jul 13 17:36:04 UTC 2015

Hi there,

I think you can use a bridge to accomplish what you're looking for. If I
understand correctly, you have 2 different LAN segments (one on each
router's interface) and you need the client's interface connected to the
DHCP server interface as it was in the same LAN. You can do that using a

You should keep in mind your network topology though and if it's what you
want for your network.. I'm just think in the simplest scenario were you

Hope this helps!

On Mon, Jul 13, 2015 at 2:15 PM, Rajeev Bansal <rajeev.bansal at>

> Hi ,
>  I have a specific requirement, where I would like to forward a dhcp
> discover/request/renew/release packets from a client via a router to
> another subnet. I can't use a dhcrelay for this purpose, because in my
> scenario both interface of my router (client side and dhcp server side)
> will not have IPv4 address assigned. Yes that means, I am trying to forward
> the dhcp packets to different link without my client knowing that it is
> communicating over different Ethernet link.
> For example, lets say my router has eth0 and eth1 two interface and there
> is a laptop connected to eth0 and there is server running on the LAN on
> which eth1 is connected. Now I want to forward my client's dhcp requests
> from eth0 to eth1 and response from eth1 to eth0 seamlessly. Please note
> eth0 and eth1 both doesn't have any IP address assigned.
> I don't think dhcrelay will fit in my requirement, can someone suggest
> some way to do that.
> Thanks,
> -Rajeev
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at
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