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第 5 章 检查 OpenStack Networking 路由端口
OpenStack Networking 中的虚拟路由器使用端口来进行子网间的连接。您可以通过检查这些端口的状态来确定它们是否被正常连接。
5.1. 查看当前端口状态
以下过程会列出附加到特定路由器上的端口列表，然后演示了如何获得端口状态（DOWN 或 ACTIVE）的方法。
1. 查看附加到名为 r1 的路由器上的所有端口：
# neutron router-port-list r1
结果输出：
+--------------------------------------+------+-------------------+--------------------------------------------------------------------------------------+
| id | name | mac_address | fixed_ips |
+--------------------------------------+------+-------------------+--------------------------------------------------------------------------------------+
| b58d26f0-cc03-43c1-ab23-ccdb1018252a | | fa:16:3e:94:a7:df | {"subnet_id": "a592fdba-babd-48e0-96e8-2dd9117614d3", "ip_address": "192.168.200.1"} |
| c45e998d-98a1-4b23-bb41-5d24797a12a4 | | fa:16:3e:ee:6a:f7 | {"subnet_id": "43f8f625-c773-4f18-a691-fd4ebfb3be54", "ip_address": "172.24.4.225"} |
+--------------------------------------+------+-------------------+--------------------------------------------------------------------------------------+2. 使用端口的 ID（左面列中的值）运行以下命令来查看端口详情。命令运行结果包括端口的 status 值（在下面的例子中是 ACTIVE）：
# neutron port-show b58d26f0-cc03-43c1-ab23-ccdb1018252a
结果输出：
+-----------------------+--------------------------------------------------------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------------------------------------------------------+
| admin_state_up | True |
| allowed_address_pairs | |
| binding:host_id | node.example.com |
| binding:profile | {} |
| binding:vif_details | {"port_filter": true, "ovs_hybrid_plug": true} |
| binding:vif_type | ovs |
| binding:vnic_type | normal |
| device_id | 49c6ebdc-0e62-49ad-a9ca-58cea464472f |
| device_owner | network:router_interface |
| extra_dhcp_opts | |
| fixed_ips | {"subnet_id": "a592fdba-babd-48e0-96e8-2dd9117614d3", "ip_address": "192.168.200.1"} |
| id | b58d26f0-cc03-43c1-ab23-ccdb1018252a |
| mac_address | fa:16:3e:94:a7:df |
| name | |
| network_id | 63c24160-47ac-4140-903d-8f9a670b0ca4 |
| security_groups | |
| status | ACTIVE |
| tenant_id | d588d1112e0f496fb6cac22f9be45d49 |
+-----------------------+--------------------------------------------------------------------------------------+使用不同端口的 ID 执行以上命令来获得它们的状态。
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