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From Sheng Yang <sh...@yasker.org>
Subject Re: [ASFCS41] IPv6 Support
Date Mon, 14 Jan 2013 18:51:52 GMT
On Mon, Jan 14, 2013 at 10:45 AM, Chiradeep Vittal <
Chiradeep.Vittal@citrix.com> wrote:

> You can if you assume that it is of LL-type. Windows requires a registry
> fix to generate an 'LL' type DUID.
>

Does dhcp6c support it? Didn't see a word from the document about DUID
type, and it genereate LLT type by default Probably I should try another
dhcpv6 client.

>
> You can also get dnsmasq to ignore the duid and use the mac.
>

Haven't confirmed it's possible to use the mac, asking dnsmasq mailing
list...

--Sheng



>
> On 1/14/13 9:54 AM, "Sheng Yang" <sheng@yasker.org> wrote:
>
> >On Sun, Jan 13, 2013 at 11:21 PM, Hugo Trippaers <
> >HTrippaers@schubergphilis.com> wrote:
> >
> >> Side note, but where are we going to do development? I think we should
> >>get
> >> our work in a feature branch as soon as possible so we can all
> >>contribute
> >> to the development.
> >>
> >> Sheng, can you push any work you have done to a branch? I'll check and
> >>see
> >> if I need to commit any of my changes then.
> >>
> >
> >We'd like to have the work based on Chiradeep's network refactor branch,
> >but currently we're waiting for Javelin to be merged.
> >
> >And I am dong some PoC right now, so no code is written so far. I just
> >found it's not that straightforward to get the dnsmasq work as we thought.
> >
> >We need DUID from client(not MAC) to hand out ipv6 addresses, but I am not
> >sure if that's something we can know from mgmt server side.
> >
> >--Sheng
> >
> >>
> >> Cheers,
> >>
> >> Hugo
> >>
> >> -----Original Message-----
> >> From: John Kinsella [mailto:jlk@stratosec.co]
> >> Sent: vrijdag 11 januari 2013 19:50
> >> To: cloudstack-dev@incubator.apache.org
> >> Subject: Re: [ASFCS41] IPv6 Support
> >>
> >>
> >> On Jan 10, 2013, at 11:09 AM, Sheng Yang <sheng@yasker.org> wrote:
> >>
> >> > On Tue, Jan 8, 2013 at 10:57 PM, John Kinsella <jlk@stratosec.co>
> >>wrote:
> >> >> From a quick glance at it's man page, looks like it can do v4 and v6
> >> >> leases at the same time...
> >> > You mean dhcpd?
> >> >
> >>
> >> No, dnsmasq looked like it could...
> >>
> >> > I am exploring all the possibility right now.
> >> >
> >> > Currently dnsmasq in our systemvm doesn't support DHCPv6, so we would
> >> > either update to a newer version dnsmasq, or using other dhcp
> >>server(e.g.
> >> > dhcpd) on DHCPv6.
> >> >
> >> > But replacing the dhcp server is a big work, all the configuration
> >> > need to be rewritten. Regarding dhcpd, I haven't figured out how much
> >> > effort we need to spend if we want to switch.
> >> >
> >> > There is one possible solution for this release: say, using dhcpd only
> >> > for IPv6, to reduce our effort of introducing IPv6(if it's easier than
> >> > moving to dhcpd). And then we can make the choice in the later
> >>release.
> >> >
> >> > John, do you have some experiences can share regarding dhcpd?
> >> >
> >> > Also, regarding your problem, have you used cloudstack to distribute
> >> > IP? I don't think we support leasing on two /28s in advance network
> >>now?
> >>
> >> So, in my lab env I've made a few changes to the server and UI to allow
> >> multiple IP blocks in basic network (haven't tried in advanced yet),
> >>then
> >> additionally I'm passing a netmask down to the agent, then that's passed
> >> through to dhcp_entry.sh, and then into edithosts.sh, which I've
> >>updated to
> >> support dhcpd.  The one thing I wanted to do but haven't is to update
> >> edithosts.sh to support both dnsmasq as well as dhcpd.
> >>
> >> Note: this was done in-house without community involvement as I didn't
> >> expect general interest in this, but I'm happy to use experience gained
> >>to
> >> write similar support in the ASF tree.
> >>
> >> Johh
> >>
>
>

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