[Dnsmasq-discuss] Openwrt and reboots again...

[Simon Kelley]

Stephen Rose wrote:
> Simon Kelley wrote:
> 
>>
>> Feedback from the DHCP gurus was positive, so I've built a test version
>> which should behave better under these circumstances (as long as
>> "dhcp-authoritative" is set in /etc/dnsmasq.conf)
>>
>> I'll send you a copy by private mail, please could you test it?
>>
>> Cheers,
>>
>> Simon.
>>
> 
>
 > So far, it seems to work quite well.  I rebooted the router, checked
 > for  an empty leases file, renewed the lease, and checked everything
 > again. I had an entry in the leases file and the log showed a
 > DHCPREQUEST - DHCPACK sequence.  And my Putty windows stayed up.
 > Hooray!

Good stuff.
 > I haven't
 > tried the case where the address is already in use, though.
That code is unchanged so it's not a problem.
 > Actually,
 > I'm not sure how to arrange for that.  Dnsmasq seems to not pick
 > addresses sequentially.

It's done as a hash from the MAC address, so the same host will always 
be offered the same address, modulo collisions.

Cheers,

Simon.