Hi Simon, Thanks for your quick response. I will test it and get back to you if I have any questions...
thanks, Suresh > > ------------------------------ > > Message: 5 > Date: Thu, 14 May 2015 21:38:29 +0100 > From: Simon Kelley <si...@thekelleys.org.uk> > To: dnsmasq-discuss@lists.thekelleys.org.uk > Subject: Re: [Dnsmasq-discuss] DHCPv6 client DUID > Message-ID: <555507c5.9060...@thekelleys.org.uk> > Content-Type: text/plain; charset=windows-1252 > > On 14/05/15 19:43, Suresh Ramamurthy wrote: > > Hi > > > > I am trying support IPv6 in our product. > > > > We are using dnsmasq and we wanted to use Stateful DHCPv6. In order to do > > it, I would create a mapping between DUID and IPv6 address in > dhcphosts.txt > > on the server that runs dnsmasq. So that when dhcpv6 client request an > IP, > > dnsmasq can return the static IP. i tried this in my setup and things > > worked perfectly. > > > > But, the problem is DUID does not get generated until the VM/host is up. > > So, only choice is to read the DUID once the VM/host is up and then > create > > the mapping in dhcphosts.txt file. But, this would delay VM/host getting > an > > IP address. > > > > So, is there is any other way to get the DUID before Vm/host is up or is > it > > ok to regenerate it so that we can prepopulate the mapping in > dhcphosts.txt > > file. > > > > Is there any other way to support stateful dhcp. > > > This is almost a DHCPv6 FAQ. The designers of DHCPv6 ignored a common > use-case of host provisioning when they replaced the MAC address with > the DUID. > > The current version of dnsmasq jumps through some nasty hoops to find > the MAC address of DHCPv6 clients, and therefore allows you to identify > them by MAC address, just like DHCPv4 clients; no nasty DUIDs needed. > > > > Cheers, > > Simon. > > > > > thanks > > Suresh > > > >
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