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Message #90573
[Bug 1585907] Re: 'used_ips' field of 'net-ip-availability-list' command increased by 1 when subnet added into router, In fact, Before subnet added into the router , 'total_ips' of network does not contain 'gateway_ip'.
Bug closed due to lack of activity, please feel free to reopen if
needed.
** Changed in: neutron
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/1585907
Title:
'used_ips' field of 'net-ip-availability-list' command increased by 1
when subnet added into router,In fact, Before subnet added into the
router ,'total_ips' of network does not contain 'gateway_ip'.
Status in neutron:
Won't Fix
Bug description:
In Mitaka,
'used_ips' field of 'net-ip-availability-list' command increased by 1
when subnet added into router,In fact, Before subnet added into the
router ,'total_ips' of network does not contain 'gateway_ip'.
The experimental process is as follows:
Field 'used_ips' of 'net-ip-availability-list' command increased by 1 when subnet added into router.
[root@localhost devstack]# neutron net-create net_test
Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| availability_zone_hints | |
| availability_zones | |
| created_at | 2016-05-26T14:44:36 |
| description | |
| id | 83dc21b4-715b-4f74-9db6-012ccf13c8ef |
| ipv4_address_scope | |
| ipv6_address_scope | |
| mtu | 4950 |
| name | net_test |
| provider:network_type | vxlan |
| provider:physical_network | |
| provider:segmentation_id | 1040 |
| qos_policy_id | |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tags | |
| tenant_id | ee4bd2aeeac74bb3ad2b094fc5292cbf |
| updated_at | 2016-05-26T14:44:36 |
| vlan_transparent | False |
+---------------------------+--------------------------------------+
[root@localhost devstack]# neutron subnet-create net_test 105.1.1.0/24 --allocation_pool start=105.1.1.6,end=105.1.1.10
Created a new subnet:
+-------------------+---------------------------------------------+
| Field | Value |
+-------------------+---------------------------------------------+
| allocation_pools | {"start": "105.1.1.6", "end": "105.1.1.10"} |
| cidr | 105.1.1.0/24 |
| created_at | 2016-05-26T14:46:01 |
| description | |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 105.1.1.1 |
| host_routes | |
| id | 63aa67d0-55e4-4cb0-8dcb-cdc7d2c83118 |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | |
| network_id | 83dc21b4-715b-4f74-9db6-012ccf13c8ef |
| subnetpool_id | |
| tenant_id | ee4bd2aeeac74bb3ad2b094fc5292cbf |
| updated_at | 2016-05-26T14:46:01 |
+-------------------+---------------------------------------------+
[root@localhost devstack]# ip netns |grep 83dc21b4-715b-4f74-9db6-012ccf13c8ef
qdhcp-83dc21b4-715b-4f74-9db6-012ccf13c8ef
[root@localhost devstack]# ip netns exec qdhcp-83dc21b4-715b-4f74-9db6-012ccf13c8ef ifconfig -a
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
tap99d84483-f1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 105.1.1.6 netmask 255.255.255.0 broadcast 105.1.1.255
inet6 fe80::f816:3eff:fe22:54c8 prefixlen 64 scopeid 0x20<link>
ether fa:16:3e:22:54:c8 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
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
[root@localhost devstack]# neutron net-ip-availability-list
+--------------------------------------+-------------------+-----------+----------+
| network_id | network_name | total_ips | used_ips |
+--------------------------------------+-------------------+-----------+----------+ |
| 83dc21b4-715b-4f74-9db6-012ccf13c8ef | net_test | 5 | 1 | |
+--------------------------------------+-------------------+-----------+----------+
[root@localhost devstack]# neutron router-interface-add router_az_01 subnet=63aa67d0-55e4-4cb0-8dcb-cdc7d2c83118
Added interface cce9d5dd-91ae-4c42-acf7-bd8b654717c0 to router router_az_01.
[root@localhost devstack]# neutron net-ip-availability-list
+--------------------------------------+-------------------+-----------+----------+
| network_id | network_name | total_ips | used_ips |
+--------------------------------------+-------------------+-----------+----------+ |
| 83dc21b4-715b-4f74-9db6-012ccf13c8ef | net_test | 5 | 2 ||
+--------------------------------------+-------------------+-----------+----------+
[root@localhost devstack]# neutron router-show router_az_01
+-------------------------+--------------------------------------+
| Field | Value |
+-------------------------+--------------------------------------+
| admin_state_up | True |
| availability_zone_hints | |
| availability_zones | zone-2 |
| description | |
| distributed | False |
| external_gateway_info | |
| ha | False |
| id | c42405f9-7599-4a4f-a91d-62651ba04519 |
| name | router_az_01 |
| routes | |
| status | ACTIVE |
| tenant_id | ee4bd2aeeac74bb3ad2b094fc5292cbf |
+-------------------------+--------------------------------------+
[root@localhost devstack]# ip netns exec qrouter-c42405f9-7599-4a4f-a91d-62651ba04519 ifconfig -a
qr-cce9d5dd-91: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 105.1.1.1 netmask 255.255.255.0 broadcast 105.1.1.255
inet6 fe80::f816:3eff:fe5d:726 prefixlen 64 scopeid 0x20<link>
ether fa:16:3e:5d:07:26 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 10 bytes 864 (864.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@localhost devstack]#
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