Ubuntu双网卡绑定

ubuntu版本:Ubuntu 14.04.1 LTS

 

安装网卡负载软件

aptitudeinstall ifenslave

 

加载模块及配置负载算法

echo"bonding mode=0 miimon=100" >>/etc/modules

#miimon是100ms监测一次网卡状态

 

配置bond0

注:bond IP与成员口的IP不能一致,如果不想成员口IP获得本网段地址,可以随便配置一个。

 

root@Telcom-DG-WY-LVS-13-130:~#cat /etc/network/interfaces

# The loopback networkinterface

auto lo

iface lo inet loopback

 

autop1p1

iface p1p1 inet static

  address 172.16.0.2

  netmask 255.255.255.0

 

auto p1p2

iface p1p2 inet static

  address 172.16.1.2

  netmask 255.255.255.0

 

auto bond0

iface bond0 inet static

  address 14.17.64.2

  netmask 255.255.255.0

  gateway 14.17.64.1

  dns-nameservers 114.114.114.114

  up ifenslave bond0 p1p1 p1p2

  down ifenslave -d bond0 p1p1 p1p2

 

重启服务器

reboot

 

确认bond状态

root@Telcom-DG-WY-LVS-13-130:~#cat /proc/net/bonding/bond0

Ethernet Channel BondingDriver: v3.7.1 (April 27, 2011)

 

Bonding Mode: loadbalancing (round-robin)

MII Status: up

MII Polling Interval (ms):100

Up Delay (ms): 0

Down Delay (ms): 0

 

Slave Interface: p1p1

MII Status: up

Speed: 1000 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr:00:25:90:e0:9c:8c

Slave queue ID: 0

 

Slave Interface: p1p2

MII Status: up

Speed: 1000 Mbps

Duplex: full

Link Failure Count: 0

Permanent HW addr:00:25:90:e0:9c:8d

Slave queue ID: 0

 

h3c交换机绑定

网卡mode0需要交换机的支持,如果交换机不做绑定,虽然不会影响连通性,但是性能只有单个网卡,这是因为mode0时,服务器两个网卡都是相同的MAC地址,在交换机上无论对应哪一个端口,同一时刻也只有一个端口转发流量,所以需要在交换机上做链路聚合。

 

配置:

interfaceBridge-Aggregation 2

  port access vlan 641

  description to_1.1.1.2

  quit

interface GigabitEthernet1/0/11

  port link-aggregation group 2

  quit

interface GigabitEthernet1/0/24

  port link-aggregation group 2

  quit

dis bri interface  #查看接口状态

save  #保存配置

 

 

 


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