Re: Fwd: DNS for IPv6 addresses?

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Hi Yaniv


Please refer to the following .


[root@localhost images]# virsh net-dumpxml dhcp
<network connections='2'>
  <name>dhcp</name>
  <uuid>066f0d89-67a6-42c8-bdeb-ed9420aaaf4f</uuid>
  <forward mode='nat'>
    <nat>
      <port start='1024' end='65535'/>
    </nat>
  </forward>
  <bridge name='virbr4' stp='on' delay='0'/>
  <mac address='52:54:00:c8:29:9f'/>
  <ip address='192.168.123.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.123.2' end='192.168.123.254'/>
    </dhcp>
  </ip>
  <ip family='ipv6' address='2001:db8:ca2:2::1' prefix='64'>
    <dhcp>
      <range start='2001:db8:ca2:2:1::10' end='2001:db8:ca2:2:1::ff'/>
    </dhcp>
  </ip>
</network>

[root@localhost images]# virsh dumpxml rhel7.1|grep /interface -B7
    <interface type='network'>
      <mac address='52:54:00:82:49:b1'/>
      <source network='dhcp' bridge='virbr4'/>
      <target dev='vnet1'/>
      <model type='virtio'/>
      <alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>


[root@localhost images]# virsh domifaddr rhel7.1 --source lease
 Name       MAC address          Protocol     Address
-------------------------------------------------------------------------------
 vnet1      52:54:00:82:49:b1    ipv4         192.168.123.171/24
 -          -                    ipv6 2001:db8:ca2:2:1::1a/64


[root@localhost images]# cat /var/lib/libvirt/dnsmasq/virbr4.status
[
    {
        "ip-address": "192.168.123.171",
        "mac-address": "52:54:00:82:49:b1",
        "expiry-time": 1452594968
    },
    {
        "iaid": "8538545",
        "ip-address": "2001:db8:ca2:2:1::1a",
        "mac-address": "52:54:00:82:49:b1",
"client-id": "00:04:ee:53:b7:a8:c7:46:ab:95:d0:86:88:ee:6e:51:a0:2a",
        "server-duid": "",
        "expiry-time": 1452594971
    }
]


Login guest to check ipv6 address . It is the same as the result returned by "domifaddr"

Thanks
Hongming


On 01/11/2016 03:24 PM, Min Zhan wrote:
@shyu,

Could you help have a look and reply this question?

Regards,
Min Zhan

----- Forwarded Message -----
From: "Yaniv Kaul" <ykaul@xxxxxxxxxx>
To: libvirt-list@xxxxxxxxxx
Sent: Friday, January 8, 2016 5:40:09 PM
Subject:  DNS for IPv6 addresses?

Is there a way to define DNS for IPv6 addresses?
Something like:
<dns forwardPlainNames =" yes " >
<host ip =" 192.168.200.4 " >
<hostname> lago_basic_suite_3_6_storage-iscsi </hostname>
</host>
</dns>



Only for IPv6?
I reckon I can't just use an IPv6 address in the 'IP' attribute?

TIA,
Y.

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