• 创建OpenStack外部网络并分配浮动IP


    source openrc
    neutron net-create ext-net --provider:network_type local --router:external True
    neutron subnet-create ext-net --name ext-subnet --allocation-pool start=168.5.24.30,end=168.5.24.39 --disable-dhcp --gateway 168.5.24.1 168.5.24.0/24

    source demo_openrc
    neutron router-create demo-router
    neutron router-interface-add demo-router demo-subnet
    neutron router-gateway-set demo-router ext-net

    neutron floatingip-create ext-net
    Created a new floatingip:
    +---------------------+--------------------------------------+
    | Field               | Value                                |
    +---------------------+--------------------------------------+
    | fixed_ip_address    |                                      |
    | floating_ip_address | 168.5.24.185                         |
    | floating_network_id | db0e051e-1e79-4b35-ba27-bd3cd8f08703 |
    | id                  | 082f8e34-35f1-489c-8c09-3be23136cdd2 |
    | port_id             |                                      |
    | router_id           |                                      |
    | status              | DOWN                                 |
    | tenant_id           | 80eead718ac94ecf9a63c3d502058ab0     |
    +---------------------+--------------------------------------+
    nova floating-ip-associate demo-instance1 168.5.24.185
    ====================================================================================

    [root@node-1 ~]# neutron port-list|grep '168.5.27.3'
    | 64f9188a-5a5f-4d8a-8ed8-ec4818ceee48 |      | fa:16:3e:65:44:54 | {"subnet_id": "d947ce39-4c3e-4caa-a94c-0323c368857e", "ip_address": "168.5.27.3"}   |

    [root@node-1 ~]# neutron port-show 64f9188a-5a5f-4d8a-8ed8-ec4818ceee48|grep device_id
    | device_id             | dhcp9b3b6618-0449-5cf4-ba1a-1bd2727132bc-17168876-0f7e-4324-8f63-977d11c780e0     |




    [root@node-1 ~]# ip netns list
    qrouter-5d60141c-f751-4ec7-b1d8-dd98d5df52af
    vrouter
    qdhcp-17168876-0f7e-4324-8f63-977d11c780e0
    haproxy
    qdhcp-9d667ec8-5ed4-45c0-a4c9-6e3febee9e94


    [root@node-1 ~]# ip netns exec qdhcp-17168876-0f7e-4324-8f63-977d11c780e0 bash
    [root@node-1 ~]# ip addr show
    38: tap64f9188a-5a: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
        link/ether fa:16:3e:65:44:54 brd ff:ff:ff:ff:ff:ff
        inet 168.5.27.3/24 brd 168.5.27.255 scope global tap64f9188a-5a
        inet6 fe80::f816:3eff:fe65:4454/64 scope link
           valid_lft forever preferred_lft forever
    39: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
        inet 127.0.0.1/8 scope host lo
        inet6 ::1/128 scope host
           valid_lft forever preferred_lft forever

    [root@node-1 ~]# ssh 168.5.27.2
    root@168.5.27.2's password:
    # ping 218.85.157.99

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  • 原文地址:https://www.cnblogs.com/endoresu/p/5282762.html
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