bond0 bingding double network adapter

bind0 bingding double network adapter

adapter config one
vi /etc/sysconfig/network-scripts/ifcfg-ens33
DEVICE=ens33
ONBOOT=yes
BOOTPROTO=none
USERCTL=no
MASTER=bond0
SLAVE=yes

adapter config two

vi /etc/sysconfig/network-scripts/ifcfg-ens37
DEVICE="ens37"
BOOTPROTO="none"
ONBOOT="yes"
USERCTL=no
MASTER=bond0
SLAVE=yes
bond0配置
vi /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
BOOTPROTO=static
USERCTL=no
ONBOOT=yes
TYPE=Bond
BONDING_MASTER=yes
BONDING_OPTS="mode=0 miimon=100"
IPADDR=192.168.191.177
NETMASK=255.255.255.0
GATEWAY=192.168.191.2
service network restart
ethtool bond0
reboot

look this bond0

ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP group default qlen 1000
    link/ether 00:0c:29:33:a4:73 brd ff:ff:ff:ff:ff:ff
3: ens37: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP group default qlen 1000
    link/ether 00:0c:29:33:a4:73 brd ff:ff:ff:ff:ff:ff
4: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:0c:29:33:a4:73 brd ff:ff:ff:ff:ff:ff
    inet 192.168.191.177/24 brd 192.168.191.255 scope global bond0
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe33:a473/64 scope link 
       valid_lft forever preferred_lft forever

check bond status ： cat /proc/net/bonding/bond0

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): 100
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: ens33
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:0c:29:33:a4:73
Slave queue ID: 0

Slave Interface: ens37
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:0c:29:33:a4:7d
Slave queue ID: 0

资料来源： 鸣谢
https://www.cnblogs.com/larrypeng/p/11874014.html