[Dnsmasq-discuss] DHCPv6 Not Working on Linux 6.6.13

[Robert Sharp]

On 02/03/2024 16:29, Simon Kelley wrote:
> I think you probably need start and end addresses in the dhcp range
>
> dhcp-range=::1,::400,constructor:enp3s0,24h
>
> without a range of addresses, dnsmasq can't lease addresses and will 
> only do stateless DHCPv6 and RA.
>
> There's loads more information out there that will help if you set 
> --log-dhcp in your dnsmasq config and look in the syslog. That will 
> tell you is dnsmasq has managed to construct an actual dhcp range from 
> the address on enp3s0 and allow you to see if it's getting SOLICIT 
> packets and what it's doing in response.
>
> The output from ip addr show dev enp3s0 would be useful too. Look at 
> the address, prefix length and lifetimes.
>
>
> Simon. 

Thanks, Simon. I will try both of your suggestions. At least the 
--log-dhcp should get me further if the end address does not work.

Robert