routing works even when neutron router attribute admin_state_up is set to False

[Kumar Harsh]

root@nodec6:~# neutron net-create net1
Created a new network:
+-----------------+--------------------------------------+
| Field | Value |
+-----------------+--------------------------------------+
| admin_state_up | True |
| id | 57fa18b6-2b60-4822-9627-047e29ad16e8 |
| name | net1 |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | 87e2db2f6e9b499180a03bed262ba419 |
+-----------------+--------------------------------------+
root@nodec6:~#
root@nodec6:~#
root@nodec6:~#
root@nodec6:~# neutron subnet-create net1 10.0.0.0/24
Created a new subnet:
+------------------+--------------------------------------------+
| Field | Value |
+------------------+--------------------------------------------+
| allocation_pools | {"start": "10.0.0.2", "end": "10.0.0.254"} |
| cidr | 10.0.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 10.0.0.1 |
| host_routes | |
| id | ff0262e3-cfd6-4ddc-b021-7c56358b1752 |
| ip_version | 4 |
| name | |
| network_id | 57fa18b6-2b60-4822-9627-047e29ad16e8 |
| tenant_id | 87e2db2f6e9b499180a03bed262ba419 |
+------------------+--------------------------------------------+
root@nodec6:~#
root@nodec6:~#
root@nodec6:~# neutron net-create net2
Created a new network:
+-----------------+--------------------------------------+
| Field | Value |
+-----------------+--------------------------------------+
| admin_state_up | True |
| id | d27ad315-6d77-447a-a0fe-6057141c0a8c |
| name | net2 |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | 87e2db2f6e9b499180a03bed262ba419 |
+-----------------+--------------------------------------+
root@nodec6:~#
root@nodec6:~#
root@nodec6:~# neutron subnet-create net2 10.0.1.0/24
Created a new subnet:
+------------------+--------------------------------------------+
| Field | Value |
+------------------+--------------------------------------------+
| allocation_pools | {"start": "10.0.1.2", "end": "10.0.1.254"} |
| cidr | 10.0.1.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 10.0.1.1 |
| host_routes | |
| id | 6e483b2a-e9d5-441e-9498-d83388254709 |
| ip_version | 4 |
| name | |
| network_id | d27ad315-6d77-447a-a0fe-6057141c0a8c |
| tenant_id | 87e2db2f6e9b499180a03bed262ba419 |
+------------------+--------------------------------------------+
root@nodec6:~#
root@nodec6:~# neutron router-create router1
Created a new router:
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | True |
| external_gateway_info | |
| id | 95efa3a3-1307-493c-a7ee-34741755a149 |
| name | router1 |
| status | ACTIVE |
| tenant_id | 87e2db2f6e9b499180a03bed262ba419 |
+-----------------------+--------------------------------------+
root@nodec6:~#
root@nodec6:~#
root@nodec6:~# neutron router-interface-add router1 ff0262e3-cfd6-4ddc-b021-7c56358b1752
Added interface e576be97-2bcb-4b68-a612-e8843e0c6bec to router router1.
root@nodec6:~# neutron router-interface-add router1 6e483b2a-e9d5-441e-9498-d83388254709
Added interface 97f6a97a-b6b8-48e7-85b5-bdcaff2af93a to router router1.

vm-list :
root@nodec6:~# nova list
+--------------------------------------+----------+--------+------------+-------------+---------------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+----------+--------+------------+-------------+---------------+
| d2e15ee6-2cb0-4609-bc21-ba89c61413e7 | vm1_net1 | ACTIVE | None | Running | net1=10.0.0.2 |
| fb2770a3-546a-4e33-a3c1-5ba56f9ee27a | vm2_net2 | ACTIVE | None | Running | net2=10.0.1.2 |
+--------------------------------------+----------+--------+------------+-------------+---------------+

Ping to vm1_net1 from vm2_net2 :
ubuntu@vm2-net2:~$ ping 10.0.0.2
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
64 bytes from 10.0.0.2: icmp_req=1 ttl=64 time=1.67 ms
64 bytes from 10.0.0.2: icmp_req=2 ttl=64 time=0.532 ms
64 bytes from 10.0.0.2: icmp_req=3 ttl=64 time=0.664 ms
^C
--- 10.0.0.2 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 0.532/0.958/1.678/0.511 ms

Set router1 --admin_state_up to False :

root@nodec6:~# neutron router-update router1 --admin_state_up False
Updated router: router1

root@nodec6:~# neutron router-show router1
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | False |
| external_gateway_info | |
| id | 95efa3a3-1307-493c-a7ee-34741755a149 |
| name | router1 |
| status | ACTIVE |
| tenant_id | 87e2db2f6e9b499180a03bed262ba419 |
+-----------------------+--------------------------------------+

Try ping again Ping to vm1_net1 from vm2_net2 :

ubuntu@vm2-net2:~$ ping 10.0.0.2
PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
64 bytes from 10.0.0.2: icmp_req=1 ttl=64 time=1.51 ms
64 bytes from 10.0.0.2: icmp_req=2 ttl=64 time=0.598 ms
64 bytes from 10.0.0.2: icmp_req=3 ttl=64 time=0.607 ms
64 bytes from 10.0.0.2: icmp_req=4 ttl=64 time=0.618 ms
64 bytes from 10.0.0.2: icmp_req=5 ttl=64 time=0.619 ms
^C
--- 10.0.0.2 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4000ms
rtt min/avg/max/mdev = 0.598/0.792/1.519/0.363 ms

Ping still Passes not expected .

[Ashish Ranjan (aranjan-n)]

We will consider this post 1.10.

For now user will have to delete router or remove the subnet to prevent routing.

[Nagabhushana R (bhushana)]

won't fix for 1.1 FCS but to be release noted.