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DHCP for private networks stoped working after the most recent update RDO Juno Two Node Cluster on CentOS 7

asked 2014-11-15 07:37:08 -0500

dbaxps gravatar image

updated 2014-11-15 10:00:23 -0500

Cluster working with no problems upgraded up to

[root@juno1 ~]# rpm -qa | grep neutron
python-neutron-2014.2-5.el7.centos.noarch
python-neutronclient-2.3.9-1.el7.centos.noarch
openstack-neutron-2014.2-5.el7.centos.noarch
openstack-neutron-ml2-2014.2-5.el7.centos.noarch
openstack-neutron-openvswitch-2014.2-5.el7.centos.noarch
[root@juno1 ~]# rpm -qa | grep nova
openstack-nova-novncproxy-2014.2-2.el7.centos.noarch
openstack-nova-console-2014.2-2.el7.centos.noarch
openstack-nova-common-2014.2-2.el7.centos.noarch
openstack-nova-cert-2014.2-2.el7.centos.noarch
python-novaclient-2.20.0-1.el7.centos.noarch
openstack-nova-scheduler-2014.2-2.el7.centos.noarch
openstack-nova-conductor-2014.2-2.el7.centos.noarch
openstack-nova-api-2014.2-2.el7.centos.noarch
python-nova-2014.2-2.el7.centos.noarch

New router2 and demo_network created after upgrade

[root@juno1 ~(keystone_admin)]# neutron net-list
+--------------------------------------+---------------+-----------------------------------------------------+
| id                                   | name          | subnets                                             |
+--------------------------------------+---------------+-----------------------------------------------------+
| 65cbd354-daae-41bb-9d3c-e58b1062be19 | public        | 147d5ecd-fe39-489e-8901-3b20a2c50148 192.168.1.0/24 |
| fa268d8c-f82f-4206-b320-6aabeee19923 | demo_network  | 2e2362b5-1b77-41b5-87f2-b3ddf70fe25e 90.0.0.0/24    |
+--------------------------------------+---------------+-----------------------------------------------------+

Picking up corresponding namespace ( dhcp_lease_time=120)

[root@juno1 ~(keystone_admin)]# ip netns | grep fa268d8c-f82f-4206-b320-6aabeee19923
qdhcp-fa268d8c-f82f-4206-b320-6aabeee19923

Attempt to launch Ubuntu 14.04 instance on demo_network

[root@juno1 ~(keystone_admin)]# ip netns exec qdhcp-fa268d8c-f82f-4206-b320-6aabeee19923 ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tapba3a2dd7-73: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 90.0.0.11  netmask 255.255.255.0  broadcast 90.0.0.255
        inet6 fe80::f816:3eff:fee1:b31  prefixlen 64  scopeid 0x20<link>
        ether fa:16:3e:e1:0b:31  txqueuelen 0  (Ethernet)
        RX packets 13  bytes 1250 (1.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 648 (648.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Capturing packets on tapba3a2dd7-73 during booting up new Ubuntu instance

[root@juno1 ~(keystone_admin)]# ip netns exec qdhcp-fa268d8c-f82f-4206-b320-6aabeee19923  tcpdump -ln -i tapba3a2dd7-73
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on tapba3a2dd7-73, link-type EN10MB (Ethernet), capture size 65535 bytes
16:04:51.166099 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:a9:66:5c, length 280
16:07:08.098881 IP6 fe80::40b2:38ff:feaf:524 > ff02::2: ICMP6, router solicitation, length 16
16:07:08.666605 IP6 fe80::581b:4bff:fef1:3afb > ff02::2: ICMP6, router solicitation, length 16
16:07:12.106926 IP6 fe80::40b2:38ff:feaf:524 > ff02::2: ICMP6, router solicitation, length 16
16:07:12.674614 IP6 fe80::581b:4bff:fef1:3afb > ff02::2: ICMP6, router solicitation, length 16
16:07:18.909275 IP6 :: > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28
16:07:18.924728 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:fa:4e:2f, length 300
16:07:18.981290 IP6 :: > ff02::1:fffa:4e2f: ICMP6, neighbor solicitation, who has fe80 ...
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answered 2014-11-16 00:01:01 -0500

dbaxps gravatar image

Feedback from Alan Pevec https://www.redhat.com/archives/rdo-l...
Date: Sat, 15 Nov 2014 22:10:29
View https://bugzilla.redhat.com/show_bug....

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Asked: 2014-11-15 07:37:08 -0500

Seen: 1,048 times

Last updated: Nov 16 '14