• docker配置桥接网络


    [root@localhost ~]# cd /etc/sysconfig/network-scripts/
    [root@localhost network-scripts]# cp ifcfg-eth0 ifcfg-br0
    [root@localhost network-scripts]# vi ifcfg-eth0
    //改成这样
    DEVICE=eth0
    HWADDR=00:0C:29:06:A2:35
    TYPE=Ethernet
    UUID=34b706cc-aa46-4be3-91fc-d1f48c301f23
    ONBOOT=yes
    BRIDGE=br0
    NM_CONTROLLED=yes
    BOOTPROTO=static
    
    [root@localhost network-scripts]# vi ifcfg-br0
    //改成这样
    DEVICE=br0
    TYPE=Bridge
    ONBOOT=yes
    BOOTPROTO=static
    IPADDR=192.168.216.131
    NETMASK=255.255.255.0
    GATEWAY=192.168.216.2
    DNS=8.8.8.8
    
    [root@localhost network-scripts]# service network restart
    正在关闭接口 eth0: bridge br0 does not exist!
                                                          [确定]
    关闭环回接口:                                        [确定]
    弹出环回接口:                                        [确定]
    弹出界面 eth0:                                       [确定]
    弹出界面 br0: Determining if ip address 192.168.216.131 is already in use for device br0...
                                                          [确定]
        

    操作遇到以下问题:!!!!

    [root@localhost network-scripts]# service network restart
    /*
    
            这里如果10秒以上没有反应,那就需要去虚拟机检查。
    
            登陆--〉 ifconfig 查看eth0是否存在  --〉 ping www.baidu.com (是否通)
    
            --〉 ping 网关 (不通,则配置有问题) 
    
        --〉 (通) 检查ifcfg-eth0 ifcfg-br0是否写对
    */
        
    [root@localhost network-scripts]# yum install -y git
    [root@localhost network-scripts]# git clone https://github.com/jpetazzo/pipework
    [root@localhost network-scripts]# cp pipework/pipework /usr/local/bin/
    [root@localhost network-scripts]# cd
    //用centos6来弄一个容器
    [root@localhost ~]# docker run -itd --net=none --name=ff centos-6-x86 bash
    4278a68ee82a.....
    //没有网络
    [root@4278a68ee82a /]# ifconfig
    lo        Link encap:Local Loopback
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:65536  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0
              RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
    [root@4278a68ee82a /]# exit
    
    //再次进入宿主机    
    [root@localhost ~]# rpm -Uvh https://repos.fedorapeople.org/openstack/EOL/openstack-grizzly/epel-6/iproute-2.6.32-130.el6ost.netns.2.x86_64.rpm
    Retrieving https://repos.fedorapeople.org/openstack/EOL/openstack-grizzly/epel-6/iproute-2.6.32-130.el6ost.netns.2.x86_64.rpm
    warning: /var/tmp/rpm-tmp.QuEQJe: Header V4 RSA/SHA1 Signature, key ID d97b3247: NOKEY
    Preparing...                ########################################### [100%]
       1:iproute                ########################################### [100%]
    
    //配置一个新的ip,只要是和br0同网段,且没有被用过
    [root@localhost ~]# pipework br0 fl 192.168.216.135/24
    [root@localhost ~]# docker exec -it fl bash
    [root@4278a68ee82a /]# ifconfig
    eth1      Link encap:Ethernet  HWaddr E2:9B:98:70:C2:05
              inet addr:192.168.216.135  Bcast:192.168.216.255  Mask:255.255.255.0
              inet6 addr: fe80::e09b:98ff:fe70:c205/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:6 errors:0 dropped:0 overruns:0 frame:0
              TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000
              RX bytes:468 (468.0 b)  TX bytes:510 (510.0 b)
    
    lo        Link encap:Local Loopback
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:65536  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0
              RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
    
    /* 这一步不是特别重要,知道就好 */
    //ping的通网关,但是还是不能上网,因为还没有配置网关和上网的路由    
    [root@4278a68ee82a /]# ping 192.168.216.2
    PING 192.168.216.2 (192.168.216.2) 56(84) bytes of data.
    64 bytes from 192.168.216.2: icmp_seq=1 ttl=128 time=2.07 ms
    64 bytes from 192.168.216.2: icmp_seq=2 ttl=128 time=0.563 ms
    ^C
    --- 192.168.216.2 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 1498ms
    rtt min/avg/max/mdev = 0.563/1.319/2.075/0.756 ms
    [root@4278a68ee82a /]# ping www.qq.com
    connect: Network is unreachable
    
    /* 这就完成了 */
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  • 原文地址:https://www.cnblogs.com/frankielf0921/p/5825479.html
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