How to modify the IP address of openstack virtual machine

1. Find the network card ID you want to modify the IP address of. This article will modify the network card whose IP address is 192.168.111.11:

[root@node-1 ~]# neutron port-list

2. Allow the IP address 192.168.111.12 to pass

[root@node-1 ~]# neutron port-update 83cfe62e-b9bc-4b77-8938-10d8f45d836c --allowed-address-pairs type=dict list=true ip_address=192.168.111.12

3. Enter the mysql database and modify the data

mysql> use neutron;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> select * from ipallocations where port_id='83cfe62e-b9bc-4b77-8938-10d8f45d836c'; <span style="color: #ff0000;"><strong>该port_id是之前查找的网卡id</strong></span>
+--------------------------------------+----------------+--------------------------------------+--------------------------------------+
| port_id                              | ip_address     | subnet_id                            | network_id                           |
+--------------------------------------+----------------+--------------------------------------+--------------------------------------+
| 83cfe62e-b9bc-4b77-8938-10d8f45d836c | 192.168.111.11 | 17c87ec0-a4f6-4d55-9947-2e8c9c7f1b65 | 28fcbb79-629b-4031-9323-b6acfa620aac |
+--------------------------------------+----------------+--------------------------------------+--------------------------------------+
1 row in set (0.00 sec)

Edit port_id is 83cfe62e-b9bc-4b77-8938-10d8f45d836c and the ip address is 192.168.111.12

mysql> update ipallocations set ip_address='192.168.111.12'  where port_id='83cfe62e-b9bc-4b77-8938-10d8f45d836c';
Query OK, 1 row affected (0.02 sec)
Rows matched: 1  Changed: 1  Warnings: 0

Check whether the address with port_id 83cfe62e-b9bc-4b77-8938-10d8f45d836c has changed:

4. Enter the virtual machine and modify the IP address to communicate with the external network

Original address of this article: https://www.linuxprobe.com/openstack-vm-ip.htmlAuthor: Pang Zengbao, Reviewer: Liu Xun

Original address of this article: https://www.linuxprobe.com/openstack-vm-ip.htmlEditor: Pang Zengbao, auditor: None

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