[Dnsmasq-discuss] dnsmasq with dhcpv6 and dhcp-host option

[Sheng Yang]

On Mon, Jan 14, 2013 at 9:49 AM, Sheng Yang <sheng at yasker.org> wrote:

> Hi Simon,
>
> Thank you for help! It's the problem!
>
> However, after I correct this one, dnsmasq still failed to hand out IP
> address, using dhcp-host entry.
>
> The config here:
> dhcp-range=fc00:1234:5678:1234::1,static
>
> dhcp-host=00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a,fred,[fc00:1234:5678:1234::144],test,infinte
> enable-ra
>
>
Thank you! I found the problem. dhcp-host should be:

dhcp-host=id:00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a,fred,[
fc00:1234:5678:1234::144],test,infinte

missing the id option...

Thank you for help!

--Sheng


> The log:
>
> Jan 14 17:38:35 dnsmasq[2213]: started, version 2.62 cachesize 150
> Jan 14 17:38:35 dnsmasq[2213]: compile time options: IPv6 GNU-getopt DBus
> i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack
> Jan 14 17:38:35 dnsmasq-dhcp[2213]: IPv6 router advertisement enabled
> Jan 14 17:38:35 dnsmasq-dhcp[2213]: DHCP, static leases only on
> fc00:1234:5678:1234::1, lease time 1h
> Jan 14 17:38:35 dnsmasq[2213]: using local addresses only for domain
> cs1cloud.internal
> Jan 14 17:38:35 dnsmasq[2213]: reading /etc/dnsmasq-resolv.conf
> Jan 14 17:38:35 dnsmasq[2213]: using nameserver 8.8.8.8#53
> Jan 14 17:38:35 dnsmasq[2213]: using local addresses only for domain
> cs1cloud.internal
> Jan 14 17:38:35 dnsmasq[2213]: read /etc/hosts - 9 addresses
> Jan 14 17:38:37 dnsmasq-dhcp[2213]: RTR-ADVERT(eth0) fc00:1234:5678:1234::
> Jan 14 17:38:43 dnsmasq-dhcp[2213]: RTR-ADVERT(eth0) fc00:1234:5678:1234::
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 10713471 available DHCPv6 subnet:
> fc00:1234:5678:1234::1/64
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 10713471 DHCPCONFIRM(eth0)
> 00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 available DHCPv6 subnet:
> fc00:1234:5678:1234::1/64
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 DHCPSOLICIT(eth0)
> 00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 tags: eth0
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 sent size: 14 option:  1
> client-id  00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 sent size: 14 option:  2
> server-id  00:01:00:01:18:82:53:de:06:3d:ba:00:00:2b
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 sent size: 40 option:  3 ia-na
>  IAID=754974890 T1=0 T2=0
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 nest size: 24 option: 13
> status  2 No addresses available
> Jan 14 17:38:44 dnsmasq-dhcp[2213]: 9785557 sent size: 16 option: 23
> dns-server  fc00:1234:5678:1234:
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 available DHCPv6 subnet:
> fc00:1234:5678:1234::1/64
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 DHCPREQUEST(eth0)
> 00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 tags: eth0
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 sent size: 14 option:  1
> client-id  00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 sent size: 14 option:  2
> server-id  00:01:00:01:18:82:53:de:06:3d:ba:00:00:2b
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 sent size: 57 option:  3 ia-na
>  IAID=754974890 T1=0 T2=0
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 nest size: 13 option: 13 status
>  4 Not on link
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 nest size: 24 option: 13 status
>  2 No addresses available
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 186834 sent size: 16 option: 23
> dns-server  fc00:1234:5678:1234::1
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 3317545 available DHCPv6 subnet:
> fc00:1234:5678:1234::1/64
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 3317545 DHCPINFORMATION-REQUEST(eth0)
> 00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 3317545 tags: eth0
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 3317545 sent size: 14 option:  1
> client-id  00:01:00:01:18:80:df:3e:48:aa:8e:b2:d5:2a
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 3317545 sent size: 14 option:  2
> server-id  00:01:00:01:18:82:53:de:06:3d:ba:00:00:2b
> Jan 14 17:38:45 dnsmasq-dhcp[2213]: 3317545 sent size: 16 option: 23
> dns-server  fc00:1234:5678:1234::1
> Jan 14 17:38:57 dnsmasq-dhcp[2213]: RTR-ADVERT(eth0) fc00:1234:5678:1234::
> Jan 14 17:39:14 dnsmasq-dhcp[2213]: RTR-ADVERT(eth0) fc00:1234:5678:1234::
>
> I would be appreciate if you can help!
>
> Thank you!
>
> --Sheng
>
>
> On Sat, Jan 12, 2013 at 2:32 AM, Simon Kelley <simon at thekelleys.org.uk>wrote:
>
>> On 12/01/13 06:04, Sheng Yang wrote:
>>
>>> Hi,
>>>
>>> I'd like to using DHCPv6, but I want to assign stateful address in order
>>> to know which client get which address.
>>>
>>> Here is my config for dnsmasq(version 2.63, from debian testing):
>>>
>>> domain=xxxx
>>> dhcp-range=fc00:1234:5678:**1234::1,static
>>> dhcp-host=00:01:00:01:18:80:**df:3e:48:aa:8e:b2:d5:2a,fred,[**
>>> fc00:1234:5678:1234::144],**test,infinte
>>> enable-ra
>>> interface=eth0
>>> listen-address=::1
>>> log-dhcp
>>> dhcp-option=option6:dns-**server,[::]
>>>
>>> But when client's dhcp6c ask for address, dnsmasq keeps giving this
>>> error message:
>>>
>>> Jan 12 05:54:33 dnsmasq-dhcp[5383]: no address range available for
>>> DHCPv6 request via eth0
>>>
>>> Here is the ip of eth0:
>>>
>>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_**UP> mtu 1500 qdisc pfifo_fast
>>> state UP qlen 1000
>>>      link/ether 06:3d:ba:00:00:2b brd ff:ff:ff:ff:ff:ff
>>>      inet 10.223.161.41/26 <http://10.223.161.41/26> brd 10.223.161.63
>>>
>>> scope global eth0
>>>      inet6 fc00:1234:5678:1234::1/128 scope global
>>>
>> ------------------------------**-----^^^^^
>>
>>
>>          valid_lft forever preferred_lft forever
>>>      inet6 fe80::43d:baff:fe00:2b/64 scope link
>>>         valid_lft forever preferred_lft forever
>>>
>>>
>> Here's the problem: the prefix length should not be 128, almost certainly
>> it should be 64.
>>
>> Cheers,
>>
>> Simon.
>>
>>
>>
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>>
>
>
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