bond、team、bridge实验搭建

2017-07-01  本文已影响0人  JevonWei

配置网卡bonding

1 . 先关闭NetworkManager服务
service NetworkManger stop

2 . vim /etc/sysconfig/network-scripts/ifcfg-bond0 编辑bond0配置文件,DEVICE=bond0为配置bond0模式,bond3为选择bond模式3工作模式

3 . 修改网卡配置文件
vim /etc/sysconfig/network-scripts/ifcfg-eth0


vim /etc/sysconfig/network-scripts/ifcfg-eth1

4 . service network restart 重启网卡

5 . ping测试

修改Centos7网卡的命名方式为传统命名方式,eg eth0

方式一
(1)编辑/etc/default/grub 配置文件
    GRUB_CMDLINE_LINUX ="rhgb quiet net.ifnames=0"
(2)为grub2 生成其配置文件
    grub2-mkconfig -o /etc/grub2.cfg
(3)重启系统       
方式二     
(1)编辑/boot/grub2/grub.cfg文件   
    GRUB_CMDLINE_LINUX ="rhgb quiet net.ifnames=0"   
(2)重启生效  

vim /boot/grub2/grub.cfg

卸载虚拟网卡

rpm -q libvirt*
yum remove libvirt-daemon 移除libvirt-daemon程序包

nmcli实现bonding

1 . 新建bond0配置文件

nmcli connection add type bond con-name bond0 ifname bond0 mode active-backup
    type指定bond类型,con-name为配置文件连接名,ifname为指定接口,mode为选定bond工作模式   

2 . bond0添加IP地址

nmcli connection modify bond0 ipv4.method manual ipv4.addresses 192.168.198.134/24 ipv4.gateway 192.168.198.1       
    ipv4.method为指定动态IP或手动设置IP,ipv4.gateway为设置网关   

3 . bond0添加物理网卡

nmcli connection add type bond-slave ifname ens34 master bond0
    type类型为bond-slave,bond的从属设备,ifname指定接口为ens34,master为指定bond主设备为bond0  
nmcli connection add type bond-slave ifname ens33 master bond0     
nmcli connection show 显示网卡设备,bond还未关联ens33、ens34网卡设备   

4 . 启用bond-slave网卡

nmcli connection up bond-slave-ens33
nmcli connection up bond-slave-ens34    

5 . nmcli connection show 查看网卡的关联

6 . cat /proc/net/bonding/bond0 监控bond0的状态

卸载bond0

1 . 将bond0设备down

nmcli connection down bond0  

2 . 删除bond0的相关配置文件

nmcli connection delete bond0    
nmcli connection delete bond-slave-ens34
nmcli connection delete bond-slave-ens33    

nmcli实现team

1 . 创建team0

nmcli connection add type team con-name team0 ifname team0 config '{"runner":{"name":"activebackup"}}'  
nmcli connection modify team0 ipv4.method manual ipv4.addresses 192.168.198.135/24
也可合并为     
nmcli connection add type team con-name team0 ifname team0 ipv4.method manual ipv4.addressses 192.168.198.135/24 config '{"runner":{"name":"activebackup"}}'
    type指定类型为team,con-name指定连接名,ifname为接口名,ipv4.method指定手动配置IP。ipv4.addresses指定IP   

2 . 将ens33、ens34网卡关联到team0

nmcli connection add type team-slave ifname ens34 con-name team-slave-ens34 master team0  
nmcli connection add type team-slave ifname ens33 con-name team-slave-ens33 master team0  
  type指定类型为team-slave,ifname指定网卡接口,con-name指定连接名,master指定主设备为team0    

3 . 启用team-slave-ens34和ens33网卡

nmcli connection up team-slave-ens33
nmcli connection up team-slave-ens34
nmcli connection up team0    启用team0网络组    

4 . teamdctl team0 state 查看team0的状态

卸载team0

1 . down关闭team0
nmcli connection down team0
2 . 删除team0相关文件
nmcli connection delete team0
nmcli connection delete team-slave-ens33
nmcli connection delete team-slave-ens34

配置网桥

1 . 创建br0

nmcli connection add type bridge con-name br0 ifname br0 ipv4.method manual ipv4.addresses 192.168.198.100/24   con-name连接名为br0,type类型为bridge     

2 . br0关联网卡

nmcli connection add type bridge-slave ifname ens34 master br0
nmcli connection add type bridge-slave ifname ens33 master br0

3 . 启用bridge-slave-ens33和ens34设备

nmcli connection up bridge-slave-ens34
nmcli connection up bridge-slave-ens33

4 . brctl show 查看bridge的信息


STP为生成树协议,防止交换机的回环

5 . 查看相关配置文件
cat /etc/sysconfig/network-scripts/ifcfg-br0

cat /etc/sysconfig/network-scripts/ifcfg-bridge-slave-ens33
cat /etc/sysconfig/network-scripts/ifcfg-bridge-slave-ens37

卸载bridge网桥

1 . 禁用br0网桥

nmcli connection down br0

2 . 删除bridge配置文件

nmcli connection delete br0
nmcli connection delete bridge-slave-ens33
nmcli connection delete bridge-slave-ens37
nmcli connection reload 
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