[Dnsmasq-discuss] No Broadcast Dhcp Offers

[Geert Stappers]

On Sat, Sep 22, 2018 at 07:06:53PM +0200, gravity70 at gmx.com wrote:
> Hi all,
> I have a very simple question, but it seems difficult to find a solution...
> 
> By default DNSMASQ sends Dhcp OFFER message with eth.dst=ff:ff:ff:ff:ff:ff , it
> sends to broadcast mac.
> I have a dongle which works a bit outside specs, and can't answer to broadcast
> mac.

I don't buy that.  ARP also does ethernet broadcasts.
Without Address Resolution Protocol no IPv4 networking on ethernet.

What I think is that no driver is loaded for the dongle
during first DHCP Discover request.


> So, I need DNSMASQ to send the Dhcp OFFER messages (and better also ACK/NAK and
> the whole Dhcp stack) to a specific mac I set.
> Does it exist such option?

I don't know.

 
> I already was thinking to start crafting Dhcp frames myself... but I dont
> really want to rewrite my own DNSMASQ...

Then just write your own DHCP server.     ;-)


Groeten
Geert Stappers
-- 
Leven en laten leven