Wei Zhou created CLOUDSTACK-1668:
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Summary: IP conflict in VPC tier
Key: CLOUDSTACK-1668
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1668
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Affects Versions: 4.0.1, 4.1.0
Reporter: Wei Zhou
Assignee: Wei Zhou
The first instance in a VPC tier may have a same IP address to gateway of the
tier.
It is because the instance NIC is created before the gateway NIC.
For example,
mysql> select * from nics where network_id=240;
+-----+--------------------------------------+-------------+-------------------+----------------+-----------------+----------------+---------+---------------+------------+------+----------+----------+--------------------------+--------------------------------------+-----------+---------------------+---------------+-------------+-------------+--------------+---------------------+---------+
| id | uuid | instance_id | mac_address
| ip4_address | netmask | gateway | ip_type | broadcast_uri |
network_id | mode | state | strategy | reserver_name |
reservation_id | device_id | update_time |
isolation_uri | ip6_address | default_nic | vm_type | created
| removed |
+-----+--------------------------------------+-------------+-------------------+----------------+-----------------+----------------+---------+---------------+------------+------+----------+----------+--------------------------+--------------------------------------+-----------+---------------------+---------------+-------------+-------------+--------------+---------------------+---------+
| 348 | 2c4fd128-c2f9-4862-a870-10b408282a08 | 182 | 02:00:7d:eb:00:01
| 192.168.101.52 | 255.255.255.240 | 192.168.101.60 | Ip4 | vlan://610 |
240 | Dhcp | Reserved | Start | ExternalGuestNetworkGuru |
3f23d820-5b81-48bd-8c04-ec53d8a20f8d | 0 | 2013-03-13 21:36:11 |
vlan://610 | NULL | 1 | User | 2013-03-13 20:36:04
| NULL |
| 349 | 5c71231d-09a8-4ece-81a2-9458966e3e0b | 175 | 02:00:4e:d2:00:02
| 192.168.101.60 | 255.255.255.240 | 192.168.101.60 | Ip4 | vlan://610 |
240 | Dhcp | Reserved | Start | ExternalGuestNetworkGuru | NULL
| 3 | 2013-03-13 21:36:04 | vlan://610 |
NULL | 0 | DomainRouter | 2013-03-13 20:36:04 | NULL |
+-----+--------------------------------------+-------------+-------------------+----------------+-----------------+----------------+---------+---------------+------------+------+----------+----------+--------------------------+--------------------------------------+-----------+---------------------+---------------+-------------+-------------+--------------+---------------------+---------+
192.168.101.52 is the Guest IP.
192.168.101.60 is the Gateway IP.
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