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[Bug 1645359] [NEW] Vlan Aware VM - after setting trunk status to down, all traffic works

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Alex Stafeyev <astafeye@xxxxxxxxxx>
Date: Mon, 28 Nov 2016 15:13:26 -0000
Reply-to: Bug 1645359 <1645359@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Newton,
openstack-neutron-ml2-9.1.0-6.el7ost.noarch
openstack-neutron-bigswitch-agent-9.40.0-1.1.el7ost.noarch
openstack-neutron-openvswitch-9.1.0-6.el7ost.noarch
openstack-neutron-common-9.1.0-6.el7ost.noarch
openstack-neutron-9.1.0-6.el7ost.noarch


[stack@undercloud-0 ~]$ openstack network trunk set trunk1 --disable
[stack@undercloud-0 ~]$ openstack network trunk list
+--------------------------------------+--------+--------------------------------------+-------------+
| ID                                   | Name   | Parent Port                          | Description |
+--------------------------------------+--------+--------------------------------------+-------------+
| 3b5c8493-7832-4501-a93f-65c5131512bb | trunk1 | 7d749eb0-633d-4114-b322-414d19f86046 |             |
+--------------------------------------+--------+--------------------------------------+-------------+
[stack@undercloud-0 ~]$ openstack network trunk show trunk1
+-----------------+------------------------------------------------------------------------------------------------+
| Field           | Value                                                                                          |
+-----------------+------------------------------------------------------------------------------------------------+
| admin_state_up  | DOWN                                                                                           |
| created_at      | 2016-11-28T11:45:54Z                                                                           |
| description     |                                                                                                |
| id              | 3b5c8493-7832-4501-a93f-65c5131512bb                                                           |
| name            | trunk1                                                                                         |
| port_id         | 7d749eb0-633d-4114-b322-414d19f86046                                                           |
| project_id      | af788c6da1fb4388b09040aa99c997bc                                                               |
| revision_number | 6                                                                                              |
| status          | ACTIVE                                                                                         |
| sub_ports       | port_id='fdb9e48e-582f-43bd-b913-471711b3d2d2', segmentation_id='10', segmentation_type='vlan' |
|                 | port_id='488e4933-9809-4041-84ed-9375bf64333b', segmentation_id='20', segmentation_type='vlan' |
| tenant_id       | af788c6da1fb4388b09040aa99c997bc                                                               |
| updated_at      | 2016-11-28T15:07:25Z                                                                           |
+-----------------+------------------------------------------------------------------------------------------------+


ping from all subinterfaces to qdhcps are successful 


[root@vm-1 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1446 qdisc pfifo_fast state UP qlen 1000
    link/ether fa:16:3e:62:e9:43 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.55/24 brd 192.168.0.255 scope global dynamic eth0
       valid_lft 86013sec preferred_lft 86013sec
    inet6 fe80::f816:3eff:fe62:e943/64 scope link 
       valid_lft forever preferred_lft forever
3: eth0.10@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1446 qdisc noqueue state UP qlen 1000
    link/ether fa:16:3e:ad:d5:39 brd ff:ff:ff:ff:ff:ff
    inet 192.168.10.55/24 brd 192.168.10.255 scope global dynamic eth0.10
       valid_lft 86022sec preferred_lft 86022sec
    inet6 fe80::f816:3eff:fead:d539/64 scope link 
       valid_lft forever preferred_lft forever
4: eth0.20@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1446 qdisc noqueue state UP qlen 1000
    link/ether fa:16:3e:5d:1e:73 brd ff:ff:ff:ff:ff:ff
    inet 192.168.20.3/24 brd 192.168.20.255 scope global dynamic eth0.20
       valid_lft 86011sec preferred_lft 86011sec
    inet6 fe80::f816:3eff:fe5d:1e73/64 scope link 
       valid_lft forever preferred_lft forever
[root@vm-1 ~]# ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=0.594 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=1.02 ms
^C
--- 192.168.0.1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 0.594/0.807/1.020/0.213 ms
[root@vm-1 ~]# ping 192.168.10.1
PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data.
64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=2.18 ms
^C
--- 192.168.10.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 2.186/2.186/2.186/0.000 ms
[root@vm-1 ~]# ping 192.168.20.1
PING 192.168.20.1 (192.168.20.1) 56(84) bytes of data.
64 bytes from 192.168.20.1: icmp_seq=1 ttl=64 time=1.09 ms
64 bytes from 192.168.20.1: icmp_seq=2 ttl=64 time=0.835 ms
^C
--- 192.168.20.1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.835/0.964/1.093/0.129 ms
[root@vm-1 ~]#

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1645359

Title:
  Vlan Aware VM - after setting trunk status to down, all traffic works

Status in neutron:
  New

Bug description:
  Newton,
  openstack-neutron-ml2-9.1.0-6.el7ost.noarch
  openstack-neutron-bigswitch-agent-9.40.0-1.1.el7ost.noarch
  openstack-neutron-openvswitch-9.1.0-6.el7ost.noarch
  openstack-neutron-common-9.1.0-6.el7ost.noarch
  openstack-neutron-9.1.0-6.el7ost.noarch


  [stack@undercloud-0 ~]$ openstack network trunk set trunk1 --disable
  [stack@undercloud-0 ~]$ openstack network trunk list
  +--------------------------------------+--------+--------------------------------------+-------------+
  | ID                                   | Name   | Parent Port                          | Description |
  +--------------------------------------+--------+--------------------------------------+-------------+
  | 3b5c8493-7832-4501-a93f-65c5131512bb | trunk1 | 7d749eb0-633d-4114-b322-414d19f86046 |             |
  +--------------------------------------+--------+--------------------------------------+-------------+
  [stack@undercloud-0 ~]$ openstack network trunk show trunk1
  +-----------------+------------------------------------------------------------------------------------------------+
  | Field           | Value                                                                                          |
  +-----------------+------------------------------------------------------------------------------------------------+
  | admin_state_up  | DOWN                                                                                           |
  | created_at      | 2016-11-28T11:45:54Z                                                                           |
  | description     |                                                                                                |
  | id              | 3b5c8493-7832-4501-a93f-65c5131512bb                                                           |
  | name            | trunk1                                                                                         |
  | port_id         | 7d749eb0-633d-4114-b322-414d19f86046                                                           |
  | project_id      | af788c6da1fb4388b09040aa99c997bc                                                               |
  | revision_number | 6                                                                                              |
  | status          | ACTIVE                                                                                         |
  | sub_ports       | port_id='fdb9e48e-582f-43bd-b913-471711b3d2d2', segmentation_id='10', segmentation_type='vlan' |
  |                 | port_id='488e4933-9809-4041-84ed-9375bf64333b', segmentation_id='20', segmentation_type='vlan' |
  | tenant_id       | af788c6da1fb4388b09040aa99c997bc                                                               |
  | updated_at      | 2016-11-28T15:07:25Z                                                                           |
  +-----------------+------------------------------------------------------------------------------------------------+

  
  ping from all subinterfaces to qdhcps are successful 

  
  [root@vm-1 ~]# ip a
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      inet 127.0.0.1/8 scope host lo
         valid_lft forever preferred_lft forever
      inet6 ::1/128 scope host 
         valid_lft forever preferred_lft forever
  2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1446 qdisc pfifo_fast state UP qlen 1000
      link/ether fa:16:3e:62:e9:43 brd ff:ff:ff:ff:ff:ff
      inet 192.168.0.55/24 brd 192.168.0.255 scope global dynamic eth0
         valid_lft 86013sec preferred_lft 86013sec
      inet6 fe80::f816:3eff:fe62:e943/64 scope link 
         valid_lft forever preferred_lft forever
  3: eth0.10@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1446 qdisc noqueue state UP qlen 1000
      link/ether fa:16:3e:ad:d5:39 brd ff:ff:ff:ff:ff:ff
      inet 192.168.10.55/24 brd 192.168.10.255 scope global dynamic eth0.10
         valid_lft 86022sec preferred_lft 86022sec
      inet6 fe80::f816:3eff:fead:d539/64 scope link 
         valid_lft forever preferred_lft forever
  4: eth0.20@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1446 qdisc noqueue state UP qlen 1000
      link/ether fa:16:3e:5d:1e:73 brd ff:ff:ff:ff:ff:ff
      inet 192.168.20.3/24 brd 192.168.20.255 scope global dynamic eth0.20
         valid_lft 86011sec preferred_lft 86011sec
      inet6 fe80::f816:3eff:fe5d:1e73/64 scope link 
         valid_lft forever preferred_lft forever
  [root@vm-1 ~]# ping 192.168.0.1
  PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
  64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=0.594 ms
  64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=1.02 ms
  ^C
  --- 192.168.0.1 ping statistics ---
  2 packets transmitted, 2 received, 0% packet loss, time 1000ms
  rtt min/avg/max/mdev = 0.594/0.807/1.020/0.213 ms
  [root@vm-1 ~]# ping 192.168.10.1
  PING 192.168.10.1 (192.168.10.1) 56(84) bytes of data.
  64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=2.18 ms
  ^C
  --- 192.168.10.1 ping statistics ---
  1 packets transmitted, 1 received, 0% packet loss, time 0ms
  rtt min/avg/max/mdev = 2.186/2.186/2.186/0.000 ms
  [root@vm-1 ~]# ping 192.168.20.1
  PING 192.168.20.1 (192.168.20.1) 56(84) bytes of data.
  64 bytes from 192.168.20.1: icmp_seq=1 ttl=64 time=1.09 ms
  64 bytes from 192.168.20.1: icmp_seq=2 ttl=64 time=0.835 ms
  ^C
  --- 192.168.20.1 ping statistics ---
  2 packets transmitted, 2 received, 0% packet loss, time 1001ms
  rtt min/avg/max/mdev = 0.835/0.964/1.093/0.129 ms
  [root@vm-1 ~]#

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Follow ups

[Bug 1645359] Re: Vlan Aware VM - after setting trunk status to down, all traffic works
From: Armando Migliaccio, 2016-11-28