[Dnsmasq-discuss] DHCPv6 Not Working on Linux 6.6.13

[Robert Sharp]

On 02/03/2024 18:07, Robert Sharp wrote:
>
> 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 


Just to say that adding the end address fixed the problem. Thanks for 
your help.

Robert