Centos 7.2中双网卡绑定及相关问题踩坑记录

前言

最近工作中在做线上服务器，安装centos7.2 x64最小化安装，需要做链路聚合，双网卡绑定。在centos 6.x 和 centos 7上测试都OK，于是直接开搞。

说明下，以下环境是在虚拟机中实现的：

系统： centos7.2 x64 最小化安装。

为了方便演示，这里共有三张网卡：

    eno16777736 ： 桥接网卡：10.0.0.11/24

    剩下的两张网卡准备做绑定：

        eno33554984

        eno50332208

[root@bogon ~]# nmcli con sh NAME    UUID         TYPE   DEVICE  Wired connection 2 bf0cf9b6-c7fb-4c0a-ada4-abfb650dd5f0 802-3-ethernet --   Wired connection 1 5b4e0b3e-c469-404c-8839-76d18442fc20 802-3-ethernet --   eno16777736   100e462e-c0d0-4271-9b5a-1c8e47ff0d03 802-3-ethernet eno16777736 [root@bogon ~]# nmcli con del 5b4e0b3e-c469-404c-8839-76d18442fc20 bf0cf9b6-c7fb-4c0a-ada4-abfb650dd5f0Connection 'Wired connection 1' (5b4e0b3e-c469-404c-8839-76d18442fc20) successfully deleted.Connection 'Wired connection 2' (bf0cf9b6-c7fb-4c0a-ada4-abfb650dd5f0) successfully deleted.[root@bogon ~]# nmcli con add type team ifname team0 con-name team0 config '{"runner":{"name":"roundrobin"}}'Connection 'team0' (913f05c2-15d8-49a9-a35f-8bc5ee843c0c) successfully added.[root@bogon ~]# nmcli con add type team-slave ifname eno50332208 con-name team0-port2 master team0Connection 'team0-port2' (1583854c-1f85-4c76-8cc7-c643071d4b82) successfully added.[root@bogon ~]# nmcli con mod team0 ipv4.address "192.168.121.100/24"[root@bogon ~]# nmcli con mod team0 ipv4.method manual[root@bogon ~]# nmcli con sh NAME   UUID         TYPE   DEVICE  eno16777736 100e462e-c0d0-4271-9b5a-1c8e47ff0d03 802-3-ethernet eno16777736 team0-port2 1583854c-1f85-4c76-8cc7-c643071d4b82 802-3-ethernet --   team0-port1 bfd408b4-76d9-4f5c-ad5b-4d92430eb6ba 802-3-ethernet --   team0  913f05c2-15d8-49a9-a35f-8bc5ee843c0c team   --