CnetOS双网卡绑定

1. 确认关闭NetworkManger
   

   [root@QN-Transit network-scripts]# systemctl stop NetworkManager
   [root@QN-Transit network-scripts]# systemctl disable NetworkManager

2. 内核加载bonding

   [root@QN-Transit network-scripts]# lsmod | grep bond
   bonding               152979  0 

3. 如果没有加载，手动加载

   [root@QN-Transit network-scripts]# modprobe --first-time bonding

4. 配置bond模式

   [root@QN-Transit network-scripts]# cat /etc/modprobe.d/bonding.conf 
   alias bond0 binding
   options bond0 miimon=100 mode=0

5. 配置bond

   [root@QN-Transit network-scripts]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 
   TYPE=Bond
   BOOTPROTO=none
   ONBOOT=yes   
   USERCTL=no
   DEVICE=bond0
   IPADDR=192.168.10.3
   PREFIX=24
   NM_CONTROLLED=no
   BONDING_MASTER=yes

6. 配置slaver接口

   [root@QN-Transit network-scripts]# cat /etc/sysconfig/network-scripts/ifcfg-em1
   TYPE=Ethernet
   BOOTPROTO=none
   DEFROUTE=yes
   PEERDNS=yes
   PEERROUTES=yes
   NAME=em1
   DEVICE=em1
   ONBOOT=yes
   MASTER=bond0
   SLAVE=yes
   USERCTL=no

   [root@QN-Transit network-scripts]# cat /etc/sysconfig/network-scripts/ifcfg-p2p1
   TYPE=Ethernet
   BOOTPROTO=none
   DEFROUTE=yes
   PEERDNS=yes
   PEERROUTES=yes
   NAME=p2p1
   DEVICE=p2p1
   ONBOOT=yes
   MASTER=bond0
   SLAVE=yes
   USERCTL=no

7. 重启网络服务

   [root@QN-Transit network-scripts]# systemctl restart network
   [root@QN-Transit network-scripts]# cat /proc/net/bonding/bond0 
   Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
   
   Bonding Mode: load balancing (round-robin)
   MII Status: up
   MII Polling Interval (ms): 0
   Up Delay (ms): 0
   Down Delay (ms): 0
   
   Slave Interface: em1
   MII Status: up
   Speed: 100 Mbps
   Duplex: full
   Link Failure Count: 0
   Permanent HW addr: 2c:ea:7f:aa:be:26
   Slave queue ID: 0
   
   Slave Interface: p2p1
   MII Status: up
   Speed: 100 Mbps
   Duplex: full
   Link Failure Count: 0
   Permanent HW addr: e8:61:1f:14:35:98
   Slave queue ID: 0