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[Bug 1887108] Re: wrong l2pop flows on vlan network

 

*** This bug is a duplicate of bug 1824504 ***
    https://bugs.launchpad.net/bugs/1824504

** This bug has been marked a duplicate of bug 1824504
   arp responder will be created for a vlan port when port ip changed

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https://bugs.launchpad.net/bugs/1887108

Title:
  wrong l2pop flows on vlan network

Status in neutron:
  New

Bug description:
  I saw l2pop rules for a vlan network which causes problems for mac
  learning. There is no dvr routed associated with it. It is a pure vlan
  netowrk.

  root@compute02:/tmp# ovs-ofctl dump-flows br-tun table=21
   cookie=0xcd381baa7a6d5b5c, duration=1703630.319s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.36 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163ec89311->NXM_NX_ARP_SHA[],load:0xacc89224->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:c8:93:11,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703175.829s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.38 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e8b426c->NXM_NX_ARP_SHA[],load:0xacc89226->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:8b:42:6c,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703156.363s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.37 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e31dd83->NXM_NX_ARP_SHA[],load:0xacc89225->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:31:dd:83,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703137.459s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.39 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e2e8650->NXM_NX_ARP_SHA[],load:0xacc89227->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:2e:86:50,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703090.494s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.41 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e0a4d1c->NXM_NX_ARP_SHA[],load:0xacc89229->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:0a:4d:1c,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703068.578s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.40 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e99553b->NXM_NX_ARP_SHA[],load:0xacc89228->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:99:55:3b,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703050.537s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.45 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163ecc5303->NXM_NX_ARP_SHA[],load:0xacc8922d->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:cc:53:03,IN_PORT
   cookie=0xcd381baa7a6d5b5c, duration=1703033.613s, table=21, n_packets=0, n_bytes=0, priority=1,arp,dl_vlan=1,arp_tpa=172.200.146.43 actions=load:0x2->NXM_OF_ARP_OP[],move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],load:0xfa163e5ffd39->NXM_NX_ARP_SHA[],load:0xacc8922b->NXM_OF_ARP_SPA[],move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],mod_dl_src:fa:16:3e:5f:fd:39,IN_PORT

  root@mgt01:~# openstack port list --fixed-ip ip-address=172.200.146.36
  +--------------------------------------+-----------+-------------------+-------------------------------------------------------------------------------+--------+
  | ID                                   | Name      | MAC Address       | Fixed IP Addresses                                                            | Status |
  +--------------------------------------+-----------+-------------------+-------------------------------------------------------------------------------+--------+
  | 48131502-da22-4968-9b0b-f1efc3a860a1 | ecs_eni_0 | fa:16:3e:c8:93:11 | ip_address='172.200.146.36', subnet_id='d0890fec-6f33-4f08-8f7c-67fc429c91b8' | ACTIVE |
  +--------------------------------------+-----------+-------------------+-------------------------------------------------------------------------------+--------+
  root@mgt01:~# openstack network show `openstack port show 48131502-da22-4968-9b0b-f1efc3a860a1 -c network_id -f value`
  +---------------------------+--------------------------------------+
  | Field                     | Value                                |
  +---------------------------+--------------------------------------+
  | admin_state_up            | UP                                   |
  | availability_zone_hints   |                                      |
  | availability_zones        | az-jiaozuo-zww-1                     |
  | created_at                | 2020-06-14T00:09:26Z                 |
  | description               |                                      |
  | dns_domain                | None                                 |
  | id                        | 1273b3a2-7484-469b-a12d-80cb0c466b91 |
  | ipv4_address_scope        | None                                 |
  | ipv6_address_scope        | None                                 |
  | is_default                | None                                 |
  | is_vlan_transparent       | None                                 |
  | mtu                       | 1500                                 |
  | name                      | VLAN_170                             |
  | port_security_enabled     | True                                 |
  | project_id                | aa1a66fbcd244981934183e0960cf2f5     |
  | provider:network_type     | vlan                                 |
  | provider:physical_network | physnet1                             |
  | provider:segmentation_id  | 170                                  |
  | qos_policy_id             | None                                 |
  | revision_number           | 3                                    |
  | router:external           | Internal                             |
  | segments                  | None                                 |
  | shared                    | False                                |
  | status                    | ACTIVE                               |
  | subnets                   | d0890fec-6f33-4f08-8f7c-67fc429c91b8 |
  | tags                      |                                      |
  | updated_at                | 2020-06-14T00:12:44Z                 |

  +---------------------------+--------------------------------------+

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