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Today's Topics:
1. Re: PD hint support in dhclient6? (Paul Dugas)
2. Static IPv6 leases and DDNS updates (David Gutierrez Rueda)
----------------------------------------------------------------------
Message: 1
Date: Fri, 8 Jan 2016 08:23:58 -0500
From: Paul Dugas <[email protected]>
To: Users of ISC DHCP <[email protected]>
Subject: Re: PD hint support in dhclient6?
Message-ID:
<CAFADmC3H_5bEF3md-RLNLVRT=0se77DS9JDj=t24m9iamnx...@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
On Thu, Jan 7, 2016 at 9:31 AM, Mike wrote:
>
> On 1/7/2016 8:51 AM, Paul Dugas wrote:
> > Trying to get a Sophos UTM9 router to request a /60 IPv6 prefix
> > delegation without much luck. Comcast keeps giving me a /64 which i
> > their default unless they get a PD hint otherwise. The box is using
> > dhclient6-4.3.0 under the hood and I'm wondering if this version has any
> > support for including the hint in the initial solicit packet.
> >
> > [snip]
>
> This thread has some info, and a possible workaround using the lease file...
> https://lists.isc.org/pipermail/dhcp-users/2014-April/017796.html
Saw that earlier. Tried disabling the interface, changing the suffix
of the iaprefix line in the lease file from /64 to /60, and
re-enabling it but the packet capture doesn't look any different. That
doesn't make any sense now that I think of it. I expect to see it
request the addresses from the existing leases file. Still digging...
--
Paul Dugas / [email protected] / 404-932-1355
------------------------------
Message: 2
Date: Fri, 8 Jan 2016 14:01:49 +0000
From: David Gutierrez Rueda <[email protected]>
To: "'[email protected]'" <[email protected]>
Subject: Static IPv6 leases and DDNS updates
Message-ID:
<[email protected]>
Content-Type: text/plain; charset="us-ascii"
Hello all,
I'm trying to configure DNS updates for static leases on IPv6 without success.
Dynamic ipv6 leases are updating the DNS so after adding the next configuration
I would have expected statics to work:
update-static-leases on;
update-conflict-detection off;
update-optimization off;
After fighting with some options I've tried to check the dhcpv6.c code, inside
function reply_process_ia_na:
2141: if (reply->static_lease) {
...
2161: goto cleanup;
2162: }
This 'goto cleanup' seems to jump over the ddns_updates process for dynamic
leases.
Are this kind of updates supported? Is there any other configuration that might
trigger the update?
Thank you in advance.
David Gutierrez
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