[Openstack] [openstack][neutron] ipv6 DHCP state full issue

Ajay Kalambur (akalambu) akalambu at cisco.com
Mon Jan 26 16:08:52 UTC 2015


Hi 
It looks like the default version with packstack centos is 2.66. Let me
upgrade to 2.68 and try
Ajay


On 1/26/15, 1:06 AM, "Darragh O'Reilly" <dara2002-openstack at yahoo.com>
wrote:

>
>
>what version of dnsmasq are you using? You will need 2.67
>or better for the client to be identified by mac address
>
>https://bugs.launchpad.net/neutron/+bug/1408297
>
>D.
>
>> Message: 5> Date: Fri, 23 Jan 2015 22:53:23 +0000> From: "Ajay Kalambur
>>(akalambu)" <akalambu at cisco.com>
>
>> To: "openstack at lists.openstack.org"
>> <openstack at lists.openstack.org>
>> Subject: [Openstack] [openstack][neutron] ipv6 DHCP state full issue
>> Message-ID: <D0E80F61.14D15%akalambu at cisco.com>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Hi
>> I am using Openstack Juno release to test some basic ipv6. I created a
>> ipv6 tenant network and subnet with ip6_ra_mode and ipv6_address_mode
>>set
>> to
>> DHCPv6 stateful. The instance cannot get the DHCP ip address.
>> 
>> Reason seems to be that the DHCP advertise message in response to the
>>DHCP
>> solicit message from the client says no address available
>> 14:14:07.861197 IP6 (hlim 1, next-header UDP (17) payload length: 64)
>> fe80::f816:3eff:fee2:25ef.dhcpv6-client > ff02::1:2.dhcpv6-server: [udp
>> sum ok] dhcp6 solicit (xid=172906 (client-ID hwaddr/time type 1 time
>> 454713283 5254005cbf62) (option-request DNS-server DNS-search-list
>> Client-FQDN SNTP-servers) (elapsed-time 295) (IA_NA IAID:1055008239
>> T1:3600 T2:5400))
>> 14:14:07.862505 IP6 (class 0xc0, hlim 64, next-header UDP (17) payload
>> length: 92) fe80::f816:3eff:fe58:88c7.dhcpv6-server >
>> fe80::f816:3eff:fee2:25ef.dhcpv6-client: [udp sum ok] dhcp6 advertise
>> (xid=172906 (client-ID hwaddr/time type 1 time 454713283 5254005cbf62)
>> (server-ID hwaddr/time type 1 time 475357091 fa163e5888c7) (IA_NA
>> IAID:1055008239 T1:4294967295 T2:4294967295) (status-code no addresses))
>> 
>> 
>> 
>> 
>> Dnsmasq is launched fine and the hosts file on dhcp seems to be fine
>> fa:16:3e:e2:25:ef,host-2001-50--6.openstacklocal,[2001:50::6]
>> 
>> But somehow the DHCP advertise message shows no addresses
>> 
>> Ajay
>
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