Redhat Linux 双网卡绑定技术

1、cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-bond0

vi /etc/sysconfig/network-scripts/ifcfg-bond0

cat /etc/sysconfig/network-scripts/ifcfg-bond0

2、vi /etc/sysconfig/network-scripts/ifcfg-eth0

cat /etc/sysconfig/network-scripts/ifcfg-eth0

3、vi /etc/sysconfig/network-scripts/ifcfg-eth1

cat /etc/sysconfig/network-scripts/ifcfg-eth1

 

4、vi /etc/modprobe.conf

cat /etc/modprobe.conf

5、Service network Start

Ifconfig

 

[root@CS-1 etc]# cat modprobe.conf
alias eth0 bnx2
alias eth1 bnx2
alias eth2 bnx2
alias eth3 bnx2
alias scsi_hostadapter cciss
alias scsi_hostadapter1 ata_piix
alias usb-controller uhci-hcd
alias usb-controller1 ehci-hcd
alias bond0 bonding
options bond0 miimon=100 mode=1
options bfa host_name="CS-1" os_name="Red Hat Enterprise Linux AS release 4 (Nahant Update 8)" 
###BEGINPP
include /etc/modprobe.conf.pp
###ENDPP
[root@CS-1 etc]#
[root@CS-1 etc]# cd /etc/sysconfig/network-scripts/
[root@CS-1 network-scripts]# ls
ifcfg-bond0  ifcfg-eth3      ifdown-ippp   ifdown-post  ifup          ifup-ipsec  ifup-plip   ifup-routes    init.ipv6-global
ifcfg-eth0   ifcfg-lo        ifdown-ipsec  ifdown-ppp   ifup-aliases  ifup-ipv6   ifup-plusb  ifup-sit       network-functions
ifcfg-eth1   ifdown          ifdown-ipv6   ifdown-sit   ifup-ib       ifup-ipx    ifup-post   ifup-sl        network-functions-ipv6
ifcfg-eth2   ifdown-aliases  ifdown-isdn   ifdown-sl    ifup-ippp     ifup-isdn   ifup-ppp    ifup-wireless
[root@CS-1 network-scripts]# cat ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=yes
[root@CS-1 network-scripts]# cat ifcfg-eth1
DEVICE=eth1
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
TYPE=Ethernet
USERCTL=no
IPV6INIT=no
PEERDNS=yes
[root@CS-1 network-scripts]# cat ifcfg-bond0
DEVICE=bond0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.10.33
NETMASK=255.255.255.0
GATEWAY=192.168.10.254
TYPE=Ethernet
[root@CS-1 network-scripts]# ifconfig
bond0     Link encap:Ethernet  HWaddr D8:D3:85:A4:BD:74 
          inet addr:192.168.10.33  Bcast:192.168.10.255  Mask:255.255.255.0
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:468 errors:0 dropped:0 overruns:0 frame:0
          TX packets:321 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:40914 (39.9 KiB)  TX bytes:35090 (34.2 KiB)

eth0      Link encap:Ethernet  HWaddr D8:D3:85:A4:BD:74 
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:467 errors:0 dropped:0 overruns:0 frame:0
          TX packets:321 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:40850 (39.8 KiB)  TX bytes:35090 (34.2 KiB)
          Interrupt:169 Memory:f4000000-f4012100

eth1      Link encap:Ethernet  HWaddr D8:D3:85:A4:BD:74 
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:1 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:64 (64.0 b)  TX bytes:0 (0.0 b)
          Interrupt:201 Memory:f2000000-f2012100

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:16436  Metric:1
          RX packets:2370 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2370 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3113044 (2.9 MiB)  TX bytes:3113044 (2.9 MiB)

[root@CS-1 network-scripts]# ping 192.168.10.254
PING 192.168.10.254 (192.168.10.254) 56(84) bytes of data.
64 bytes from 192.168.10.254: icmp_seq=0 ttl=255 time=0.396 ms
64 bytes from 192.168.10.254: icmp_seq=1 ttl=255 time=0.220 ms
64 bytes from 192.168.10.254: icmp_seq=2 ttl=255 time=0.383 ms

--- 192.168.10.254 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 0.220/0.333/0.396/0.080 ms, pipe 2
[root@CS-1 network-scripts]# ping
PING (203.208.37.104) 56(84) bytes of data.
64 bytes from bg-in-f104.1e100.net (203.208.37.104): icmp_seq=0 ttl=247 time=39.2 ms
64 bytes from bg-in-f104.1e100.net (203.208.37.104): icmp_seq=1 ttl=247 time=39.2 ms
64 bytes from bg-in-f104.1e100.net (203.208.37.104): icmp_seq=2 ttl=247 time=39.2 ms
64 bytes from bg-in-f104.1e100.net (203.208.37.104): icmp_seq=3 ttl=247 time=39.1 ms
64 bytes from bg-in-f104.1e100.net (203.208.37.104): icmp_seq=4 ttl=247 time=39.2 ms

--- ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4004ms
rtt min/avg/max/mdev = 39.169/39.220/39.295/0.220 ms, pipe 2
[root@CS-1 network-scripts]# cd /etc/rc.d/rc.local
-bash: cd: /etc/rc.d/rc.local: Not a directory
[root@CS-1 network-scripts]# cat /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 bind0 eth0 eth1
route add -net 192.168.10.254 netmask 255.255.255.0 bond0