网卡绑定就是多张网卡逻辑上作为一张网卡用。可分为,负载均衡绑定和冗余绑定两种。
[root@test~]# more /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
Ipaddr=172.16.4.100
NETMASK=255.255.255.0
BroaDCAST=172.16.4.255
NETWORK=172.168.4.100
ONBOOT=yes
[root@test~]# more /etc/sysconfig/network-scripts/ifcfg-eth0
BOOTPROTO=none
TYPE=Ethernet
DEVICE=eth0
ONBOOT=yes@H_515_19@mASTER=bond0
slave=yes
[root@test ~]# more /etc/sysconfig/network-scripts/ifcfg-eth1
BOOTPROTO=none
TYPE=Ethernet
DEVICE=eth1
ONBOOT=yes@H_515_19@mASTER=bond0
slave=yes
[root@test~]# more /etc/modprobe.conf
alias eth0 b44
alias eth1 8139too
alias usb-controller ehci-hcd
alias usb-controller1 ohci-hcd
alias bond0 bonding
options bond0 miimon=100 mode=0
[root@test~]# more /etc/rc.d/rc.local
#!/bin/sh
#
# This script will be executed *after* all the other init scripts.
# You can put your own initialization stuff in here if you don't
# want to do the full Sys V style init stuff.
touch /var/lock/subsys/local
ifenslave bond0 eth0 eth1
[root@test~]# more /proc/net/bonding/bond0
Ethernet ChAnnel Bonding Driver: v2.6.1 (October 29,2004)
Bonding Mode: load balancing (round-robin)@H_515_19@mII Status: up@H_515_19@mII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
SlavE interface: eth0@H_515_19@mII Status: up
Link Failure Count: 1
PeRMANent HW addr: 00:1b:b9:58:8b:b2
SlavE interface: eth1@H_515_19@mII Status: down
Link Failure Count: 0
PeRMANent HW addr: 00:07:40:6c:ac:c8
[root@test ~]# ifconfig -a
bond0 Link encap:Ethernet HWaddr00:1B:B9:58:8B:B2
inet addr:172.16.4.100 Bcast:172.16.4.255 Mask:255.255.255.0
inet6 addr:fe80::200:ff:fe00:0/64 Scope:Link
UP BroaDCAST RUNNINGMASTER MULTICAST MTU:1500 Metric:1
RX packets:744154errors:0 dropped:0 overruns:0 frame:0
TX packets:1866915errors:0 dropped:0 overruns:0 carrier:0
collisions:0txqueuelen:0
RX bytes:1099876146 (1.0GiB) TX bytes:121233595 (115.6 MiB)
eth0 Link encap:Ethernet HWaddr00:1B:B9:58:8B:B2
inet6 addr:fe80::21b:b9ff:fe58:8bb2/64 Scope:Link
UP BroaDCAST RUNNINGSLAVE MULTICAST MTU:1500 Metric:1
RX packets:744154errors:0 dropped:0 overruns:0 frame:0
TX packets:1866905errors:0 dropped:0 overruns:0 carrier:0
collisions:0txqueuelen:1000
RX bytes:1099876146 (1.0GiB) TX bytes:121232839 (115.6 MiB)
Interrupt:9
eth1 Link encap:Ethernet HWaddr00:1B:B9:58:8B:B2
inet6 addr:fe80::21b:b9ff:fe58:8bb2/64 Scope:Link
UP BroaDCAST SLAVEMULTICAST MTU:1500 Metric:1
RX packets:0 errors:0dropped:0 overruns:0 frame:0
TX packets:10 errors:0dropped:0 overruns:0 carrier:0
collisions:0txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:756 (756.0 b)
Interrupt:11 Baseaddress:0x1000
lo Link encap:Local LoopBACk
inetaddr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128Scope:Host
UP LOOPBACKRUNNING MTU:16436 Metric:1
RX packets:2129 errors:0dropped:0 overruns:0 frame:0
TX packets:2129 errors:0dropped:0 overruns:0 carrier:0
collisions:0txqueuelen:0
RX bytes:1998893 (1.9MiB) TX bytes:1998893 (1.9 MiB)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0dropped:0 overruns:0 frame:0
TX packets:0 errors:0dropped:0 overruns:0 carrier:0
collisions:0txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
附:DEVICE=物理设备名Ipaddr=IP地址NETMASK=掩码值NETWORK=网络地址BroaDCAST=广播地址GATEWAY=网关地址ONBOOT=[yes|no](引导时是否激活设备)USERCTL=[yes|no](非root用户是否可以控制该设备)BOOTPROTO=[none|static|bootp|dhcp](引导时不使用协议|静态分配|BOOTP协议|DHCP协议)HWADDR = 你的MAC地址
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