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【学习笔记】RHEL6.6上配置双网卡绑定笔记

时间:2016-11-06 10:21   来源:Oracle研究中心   作者:HTZ   点击:

天萃荷净 Oracle研究中心学习笔记:分享一篇关于Linux操作系统的双网卡绑定配置的笔记,在RHEL6.6上配置双网卡绑定,在RHEL 6配置与RHEL 5配置有一点不相同,只是修改的文件不一样,原理是一样的。

1,版本介绍

[root@localhost ~]# lsb_release -a
LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: RedHatEnterpriseServer
Description: Red Hat Enterprise Linux Server release 6.6 (Santiago)
Release: 6.6
Codename: Santiago

2,加载bonding模块

默认双网卡绑定模块是没有加载的,第一次需要手动加载,以后会自动加载,不需要做其它的配置,在RHEL 5中需要把加载手动写到/etc/rc.local文件中,每次启动的时候自动加载。
[root@localhost modules]# lsmod|grep bond
[root@localhost modules]# modprobe –first-time bonding
[root@localhost modules]# lsmod|grep bonding
bonding 130997 0
8021q 25527 1 bonding
ipv6 334932 272 bonding,ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6

3,配置网卡配置文件

这里可以不用禁用networkmanager服务,但是是需要在配置文件中增加
NM_CONTROLLED=no此参数,不过还是建议禁用。

echo "DEVICE=bond0
IPADDR=192.168.111.30
NETMASK=255.255.255.0
ONBOOT=yes
BOOTPROTO=none
USERCTL=no
NM_CONTROLLED=no
IPV6INIT=no
#from mos 1642955.1
BONDING_OPTS=\"mode=active-backup miimon=100 downdelay=5000 updelay=5000 num_grat_arp=100\"">/etc/sysconfig/network-scripts/ifcfg-bond0

echo "DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
IPV6INIT=no
HOTPLUG=no
CONNECTED_MODE=yes
NM_CONTROLLED=no">/etc/sysconfig/network-scripts/ifcfg-eth0

echo "DEVICE=eth1
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
IPV6INIT=no
HOTPLUG=no
CONNECTED_MODE=yes
NM_CONTROLLED=no">/etc/sysconfig/network-scripts/ifcfg-eth1

echo "DEVICE=bond1
IPADDR=http://www.oracleplus.net192.168.112.30
NETMASK=255.255.255.0
ONBOOT=yes
BOOTPROTO=none
USERCTL=no
IPV6INIT=no
NM_CONTROLLED=no
#from mos 1642955.1,
BONDING_OPTS=\"mode=active-backup miimon=100 downdelay=5000 updelay=5000 num_grat_arp=100\"">/etc/sysconfig/network-scripts/ifcfg-bond1

echo "DEVICE=eth2
BOOTPROTO=none
ONBOOT=yes
MASTER=bond1
SLAVE=yes
USERCTL=no
IPV6INIT=no
HOTPLUG=no
CONNECTED_MODE=yes
NM_CONTROLLED=no">/etc/sysconfig/network-scripts/ifcfg-eth2

echo "DEVICE=eth3
BOOTPROTO=none
ONBOOT=yes
MASTER=bond1
SLAVE=yes
USERCTL=no
IPV6INIT=no
HOTPLUG=no
CONNECTED_MODE=yes
NM_CONTROLLED=no">/etc/sysconfig/network-scripts/ifcfg-eth3

重启网卡服务
/etc/init.d/network restart,
生产环境建议使用ifup/ifdown来操作。不会影响其它的网卡。

4,查看绑定信息

[root@oracleplus.net ~]# cat cat /proc/net/bonding/bond0
cat: cat: No such file or directory
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth0
MII Status: up
MII Polling Interval (ms): 0
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: eth0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:0c:29:0a:65:58
Slave queue ID: 0

Slave Interface: eth1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:0c:29:0a:65:62
Slave queue ID: 0
[root@oracleplus.net ~]# cat cat /proc/net/bonding/bond1
cat: cat: No such file or directory
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth2
MII Status: up
MII Polling Interval (ms): 0
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: eth2
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:0c:29:0a:65:6c
Slave queue ID: 0

Slave Interface: eth3
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:0c:29:0a:65:76
Slave queue ID: 0

[root@oracleplus.net ~]# ifconfig
bond0 Link encap:Ethernet HWaddr 00:0C:29:0A:65:58
inet addr:192.168.111.30 Bcast:192.168.111.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe0a:6558/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:166 errors:0 dropped:0 overruns:0 frame:0
TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:15080 (14.7 KiB) TX bytes:1700 (1.6 KiB)

bond1 Link encap:Ethernet HWaddr 00:0C:29:0A:65:6C
inet addr:192.168.112.30 Bcast:192.168.112.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe0a:656c/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:2279 errors:0 dropped:0 overruns:0 frame:0
TX packets:1239 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:212658 (207.6 KiB) TX bytes:142184 (138.8 KiB)

eth0 Link encap:Ethernet HWaddr 00:0C:29:0A:65:58
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:79 errors:0 dropped:0 overruns:0 frame:0
TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7291 (7.1 KiB) TX bytes:1356 (1.3 KiB)

eth1 Link encap:Ethernet HWaddr 00:0C:29:0A:65:58
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:87 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7789 (7.6 KiB) TX bytes:344 (344.0 b)

eth2 Link encap:Ethernet HWaddr 00:0C:29:0A:65:6C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:2269 errors:0 dropped:0 overruns:0 frame:0
TX packets:1239 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:212058 (207.0 KiB) TX bytes:142184 (138.8 KiB)

eth3 Link encap:Ethernet HWaddr 00:0C:29:0A:65:6C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:660 (660.0 b) TX bytes:0 (0.0 b)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:30 errors:0 dropped:0 overruns:0 frame:0
TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2752 (2.6 KiB) TX bytes:2752 (2.6 KiB)

重启服务器测试
重启后服务正常。

5,断网卡测试

[root@oracleplus.net bonding]# mii-tool eth0
eth0: no link
[root@oracleplus.net bonding]# mii-tool eth1
eth1: negotiated 100baseTx-FD, link ok

这里可以看到,已经自动切换到eth1上面
[root@oracleplus.net network-scripts]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)

Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth1
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 5000
Down Delay (ms): 5000

Slave Interface: eth0
MII Status: down
Speed: Unknown
Duplex: Unknown
Link Failure Count: 1
Permanent HW addr: 00:0c:29:0a:65:58
Slave queue ID: 0

Slave Interface: eth1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 1
Permanent HW addr: 00:0c:29:0a:65:62
Slave queue ID: 0
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最权威、专业的Oracle案例资源汇总之【学习笔记】RHEL6.6上配置双网卡绑定笔记

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redhat6.6如何配置双网卡绑定

linux双网卡绑定配置过程