DHCP relay - wrong interface for relayed packet

[Matthew Newton]

On 07/07/2022 17:37, Paul Thornton wrote:
> That then exposed another issue - more relating to the original patch to 
> change the destination port relayed to.  Of course, when I send to port 
> 1067, the upstream DHCP server sends the reply on 1067 - which the relay 
> isn't listening on.  So the OFFER goes into the void.

Ah - I noticed this the first time, but wasn't sure if it actually 
mattered (any "normal" protocol would flip the src/dest ports, right? 
but we are talking DHCP here...)

> I think the proper fix for that is to ensure that the relay is listening 
> on any alternative port; but my knowledge of the inner workings of the 

What happens if you just add a listen{} section on port 1067?

-- 
Matthew