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From "Chip Childers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-1668) IP conflict in VPC tier
Date Tue, 19 Mar 2013 18:35:15 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-1668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606646#comment-13606646
] 

Chip Childers commented on CLOUDSTACK-1668:
-------------------------------------------

In looking at the patch, I can't see that this actually applies to 4.1.  Wei, do you agree
that this is for the 4.0 branch only?  If so, can you edit this Jira record to remove the
4.1.0 affects version?
                
> 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
>            Priority: Critical
>         Attachments: ipaddress=gatewayip.jpg
>
>
> 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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