Re: dns update for ipv6 using dhcpv6

On 14/12/2016 11:33, Tim Coote wrote:

On 14 Dec 2016, at 08:38, Francesco Giudici <fgiudici redhat com> wrote:

Hi Tim,
     one caveat: check that also ipv6.method is set to dhcp, otherwise the
ipv6.dhcp-hostname would not be saved in the ifcfg file.
Maybe you will be interested in this:

The patch in review would also save ipv6.dhcp-hostname when ipv6.method
is auto.


Having read the bug, I’m a bit more confused as to what the ipv6.method
means/refers to. I’m using both slaac (for addresses) and dhcpv6 (for dns 
update and whatever else homenet uses it for). Would setting ipv6.method
to dhcp break slaac?

I guess it will. But ipv6.method == auto means also that you will not
get ipv6.dhcp-hostname saved: this is a bug (method == auto should save
it too).
bugzilla #775622 would address this.

There should be a trick that could be used as work around anyway... if
you save your FQDN ipv6 hostname in ipv4.dhcp-hostname too, ifcfg-rh
plugin will save and read it also if ipv6.method == auto.
Please, note that this is a side effect and not a wanted feature, but
till #775622 isn't in place should be a viable WA.



Francesco Giudici
Software Engineer, EMEA

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