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Message #73062
[Bug 1774019] [NEW] router add subnet <router> <external network> create duplicate IP issue
Public bug reported:
fdsf
** Affects: neutron
Importance: Undecided
Status: New
** Description changed:
- hi,
-
- When using the command router add subnet <route> <external subnet>,
- neutron creates a port with the first IP on the subnet. This causes IP
- conflict with the real GW ip for the network, and the result is that the
- physical network goes down. In our case it brought down the whole
- physical fabric.
-
- cloud info:
- (openstack) network show internet
- +---------------------------+--------------------------------------+
- | Field | Value |
- +---------------------------+--------------------------------------+
- | admin_state_up | UP |
- | availability_zone_hints | |
- | availability_zones | nova |
- | created_at | 2017-05-10T14:05:08Z |
- | description | |
- | dns_domain | |
- | id | df26cc5b-b122-4506-b948-a213d2b0a7d8 |
- | ipv4_address_scope | None |
- | ipv6_address_scope | None |
- | is_default | False |
- | is_vlan_transparent | None |
- | mtu | 9000 |
- | name | internet |
- | port_security_enabled | True |
- | project_id | 1642f7380213486aa6b8fefeb179ffd7 |
- | provider:network_type | flat |
- | provider:physical_network | physnet1 |
- | provider:segmentation_id | None |
- | qos_policy_id | None |
- | revision_number | 7 |
- | router:external | External |
- | segments | None |
- | shared | True |
- | status | ACTIVE |
- | subnets | cbd1f84a-d31e-4bb3-b788-bacab21f9b6f |
- | tags | |
- | updated_at | 2017-11-27T00:37:31Z |
- +---------------------------+--------------------------------------+
-
- (openstack) subnet show internet-sub1
- +-------------------+--------------------------------------+
- | Field | Value |
- +-------------------+--------------------------------------+
- | allocation_pools | xxx.yyy.zzz.20-xxx.yyy.zzz.254 |
- | cidr | xxx.yyy.zzz.0/24 |
- | created_at | 2017-05-10T14:28:46Z |
- | description | |
- | dns_nameservers | |
- | enable_dhcp | True |
- | gateway_ip | xxx.yyy.zzz.1 |
- | host_routes | |
- | id | cbd1f84a-d31e-4bb3-b788-bacab21f9b6f |
- | ip_version | 4 |
- | ipv6_address_mode | None |
- | ipv6_ra_mode | None |
- | name | internet-sub1 |
- | network_id | df26cc5b-b122-4506-b948-a213d2b0a7d8 |
- | project_id | 1642f7380213486aa6b8fefeb179ffd7 |
- | revision_number | 3 |
- | segment_id | None |
- | service_types | |
- | subnetpool_id | None |
- | tags | |
- | updated_at | 2017-05-16T12:02:39Z |
- +-------------------+--------------------------------------+
-
-
- way to reproduce:
- 1. As normal _member_ user, create a router
- (openstack) router create vpn-client-router
- 2. add the external subnet to the router.
- (openstack) router add subnet vpn-client-router internet-sub1
-
- Actual result:
- The port created gets the ip xxx.yyy.zzz.1, which is the same ip as the physical GW IP.
-
- expected result:
- First of all, this command should probably return error since the correct command is router set --external-gateway. If it should work, the IP should be in the allocation_pool for the subnet.
-
- version:
- openstack pike
- neutron 11.0.2
- distribution kolla-ansible
-
- bjolo
+ fdsf
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https://bugs.launchpad.net/bugs/1774019
Title:
router add subnet <router> <external network> create duplicate IP
issue
Status in neutron:
New
Bug description:
fdsf
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