Ubuntu网络配置——vlan+bonding

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1. 普通网络配置

root@MXY-10-155:~#cat /etc/network/interfaces

auto lo

iface loinet loopback

auto em1

iface em1inet static

address10.26.10.155

netmask255.255.255.0

auto em2

iface em2inet static

address120.132.86.155

netmask255.255.255.224

gateway120.132.86.158

2. Vlan配置

1）环境准备

apt-getinstall vlan

modprobe8021q

echo“8021q”>> /etc/modules

2）配置文件

auto em1.100
iface em1.100 inet static
address 100.0.100.2
netmask 255.255.255.0
vlan-raw_device em1

3）交换机打trunk

4）重启服务器

3. 网络绑定

1）环境准备

apt-get install ifenslave

echo “bonding” >> /etc/modules

2）网络配置

vi /etc/network/interfaces

auto bond0
iface bond0 inet static
address 192.168.2.3
netmask 255.255.255.0
gateway 192.168.2.1
post-up ifenslave bond0 eth0 eth1
pre-down ifenslave -d bond0 eth0 eth1

可以直接删除原因来的eth0 eth1配置信息

然后重启服务器

4. 网卡绑定+vlan

1）环境准备

apt-get install vlan ifenslave

echo “8021q” >> /etc/modules

echo “bonding” >> /etc/modules

2）配置网络

auto lo

iface loinet loopback

auto em1

iface em1inet manual

bond-masterbond0

auto em2

iface em2inet manual

bond-masterbond1

auto em3

iface em3inet manual

bond-masterbond0

auto em4

iface em4inet manual

bond-masterbond1

autobond0

ifacebond0 inet manual

bond-mode4

bond-miimon100

bond-slavesnone

autobond1

ifacebond1 inet manual

bond-mode4

bond-miimon100

bond-slavesnone

autobond0.588

ifacebond0.588 inet static

address10.25.44.6

netmask255.255.255.0

vlan-raw-devicebond0

autobond0.202

ifacebond0.202 inet static

address10.25.63.6

netmask255.255.255.0

vlan-raw-devicebond0

autobond1.7

ifacebond1.7 inet static

address180.96.44.6

netmask255.255.255.0

gateway180.96.44.254

vlan-raw-devicebond1

autobond1.201

ifacebond1.201 inet static

address10.25.64.6

netmask255.255.252.0

vlan-raw-devicebond1

3）重启MAC更换问题

当重启后，bond0和bond1的mac可能会发生变化，但交换机中arp表刷新时间比较慢，会导致重启后无法连上的问题

解决方法：

a. 人工刷新交换机arp表

b. 开机后主动ping网关，让交换机主动更新arp表

4）重启后结果确认

bond0 Link encap:Ethernet HWaddrc8:1f:66:ee:7d:0a

inet6 addr:fe80::ca1f:66ff:feee:7d0a/64 Scope:Link

UP BROADCAST RUNNING MASTERMULTICAST MTU:1500 Metric:1

RX packets:8754 errors:0 dropped:0overruns:0 frame:0

TX packets:568 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:948246 (948.2 KB) TX bytes:86797 (86.7 KB)

bond1 Link encap:Ethernet HWaddr c8:1f:66:ee:7d:0d

inet6 addr:fe80::ca1f:66ff:feee:7d0d/64 Scope:Link

UP BROADCAST RUNNING MASTERMULTICAST MTU:1500 Metric:1

RX packets:237033 errors:0 dropped:57overruns:0 frame:0

TX packets:652 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:16676783 (16.6 MB) TX bytes:74153 (74.1 KB)

bond0.202Link encap:Ethernet HWaddrc8:1f:66:ee:7d:0a

inet addr:10.25.63.6 Bcast:10.25.63.255 Mask:255.255.255.0

inet6 addr:fe80::ca1f:66ff:feee:7d0a/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:0 errors:0 dropped:0overruns:0 frame:0

TX packets:8 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 B) TX bytes:648 (648.0 B)

bond0.588Link encap:Ethernet HWaddrc8:1f:66:ee:7d:0a

inet addr:10.25.44.6 Bcast:10.25.44.255 Mask:255.255.255.0

inet6 addr:fe80::ca1f:66ff:feee:7d0a/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:4918 errors:0 dropped:0overruns:0 frame:0

TX packets:227 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:258756 (258.7 KB) TX bytes:42127 (42.1 KB)

bond1.7 Link encap:Ethernet HWaddr c8:1f:66:ee:7d:0d

inet addr:180.96.44.6 Bcast:180.96.44.255 Mask:255.255.255.0

inet6 addr:fe80::ca1f:66ff:feee:7d0d/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:24541 errors:0 dropped:0overruns:0 frame:0

TX packets:310 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:1111020 (1.1 MB) TX bytes:28491 (28.4 KB)

bond1.201Link encap:Ethernet HWaddrc8:1f:66:ee:7d:0d

inet addr:10.25.64.6 Bcast:10.25.67.255 Mask:255.255.252.0

inet6 addr:fe80::ca1f:66ff:feee:7d0d/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:0 errors:0 dropped:0overruns:0 frame:0

TX packets:8 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 B) TX bytes:648 (648.0 B)

em1 Link encap:Ethernet HWaddr c8:1f:66:ee:7d:0a

UP BROADCAST RUNNING SLAVEMULTICAST MTU:1500 Metric:1

RX packets:2202 errors:0 dropped:0overruns:0 frame:0

TX packets:176 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:271215 (271.2 KB) TX bytes:21992 (21.9 KB)

Interrupt:35

em2 Link encap:Ethernet HWaddr c8:1f:66:ee:7d:0d

UP BROADCAST RUNNING SLAVEMULTICAST MTU:1500 Metric:1

RX packets:10238 errors:0 dropped:3overruns:0 frame:0

TX packets:163 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:1158641 (1.1 MB) TX bytes:20800 (20.8 KB)

Interrupt:38

em3 Link encap:Ethernet HWaddr c8:1f:66:ee:7d:0a

UP BROADCAST RUNNING SLAVEMULTICAST MTU:1500 Metric:1

RX packets:6552 errors:0 dropped:0overruns:0 frame:0

TX packets:392 errors:0 dropped:0 overruns:0carrier:0

collisions:0 txqueuelen:1000

RX bytes:677031 (677.0 KB) TX bytes:64805 (64.8 KB)

Interrupt:34

em4 Link encap:Ethernet HWaddr c8:1f:66:ee:7d:0d

UP BROADCAST RUNNING SLAVEMULTICAST MTU:1500 Metric:1

RX packets:226795 errors:0 dropped:54overruns:0 frame:0

TX packets:489 errors:0 dropped:0overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:15518142 (15.5 MB) TX bytes:53353 (53.3 KB)

Interrupt:36

5. 参考文档

http://blog.sina.com.cn/s/blog_54559518010123u9.html

http://www.beyondvm.com/2014/03/quick-tip-bonding-lacp-and-vlans-in-linux/

http://askubuntu.com/questions/462413/ubuntu-12-04-using-vlans-on-bond0

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