Linux下一块网卡设置多个IP地址

linux-dash

A beautiful web dashboard for Linux

项目地址：https://gitcode.com/gh_mirrors/li/linux-dash

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奔跑的路

8811人浏览 · 2014-08-12 17:40:30

奔跑的路 · 2014-08-12 17:40:30 发布

在windows下给一块网卡设置多个IP，是比较容易的，今天我写的内容是关于在LINUX系统下，给一块网卡设置多个IP地址，在Linux系统下面，第一块网卡就叫eth0，第二块网卡就叫eth1，这里我们给第一块网卡设置多个IP,在Linux下，配置网卡的配置文件在目录/etc/sysconfig/network-script/下，原来网卡的配置文件名为ifcfg-eth0 ，我们给一块网卡配置多个IP地址的配置文件命名为ifcfg-eth0:1和ifcfg-eth0 :2，下面看操作如下：

Last login: Fri Aug 6 00:35:49 2010 from 172.28.102.41
[root@rep1 ~]# ifconfig                             ###原来网卡的配置
eth0      Link encap:Ethernet HWaddr 00:0C:29:D5:39:A0
          inet addr: 172.28.90.101 Bcast:172.28.255.255 Mask:255.255.0.0
          inet6 addr: fe80::20c:29ff:fed5:39a0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:3125184 errors:0 dropped:0 overruns:0 frame:0
          TX packets:101356 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:462342976 (440.9 MiB) TX bytes:10788008 (10.2 MiB)
          Interrupt:75 Base address:0x2000

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:1427 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1427 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3335045 (3.1 MiB) TX bytes:3335045 (3.1 MiB)

[root@rep1 ~]# cd /etc/sysconfig/net
netconsole       network          networking/      network-scripts/
[root@rep1 ~]# cd /etc/sysconfig/network-scripts/        #配置文件的目录路径
[root@rep1 network-scripts]# ls
ifcfg-eth0    ifdown-isdn    ifup-aliases ifup-plip    ifup-wireless
ifcfg-lo      ifdown-post    ifup-bnep     ifup-plusb   init.ipv6-global
ifdown        ifdown-ppp     ifup-eth      ifup-post    net.hotplug
ifdown-bnep   ifdown-routes ifup-ippp     ifup-ppp     network-functions
ifdown-eth    ifdown-sit     ifup-ipsec    ifup-routes network-functions-ipv6
ifdown-ippp   ifdown-sl      ifup-ipv6     ifup-sit
ifdown-ipsec ifdown-tunnel ifup-ipx      ifup-sl
ifdown-ipv6   ifup           ifup-isdn     ifup-tunnel
[root@rep1 network-scripts]# cp ifcfg-eth0 ifcfg-eth0:1      #复制原来网卡配置
[root@rep1 network-scripts]# cp ifcfg-eth0 ifcfg-eth0:2     #复制原来网卡配置
[root@rep1 network-scripts]# vi ifcfg-eth0:1
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]
DEVICE=eth0:1                                       #此处修改
BOOTPROTO=static
BROADCAST=172.28.255.255              #IP地址的广播地址
HWADDR=00:0C:29:D5:39:A0             #MAC地址，不用修改
IPADDR=172.28.90.201                         #设置新的IP
NETMASK=255.255.0.0
NETWORK=172.28.0.0
ONBOOT=yes
~
——————————————————————————————————
~
"ifcfg-eth0:1" 9L, 206C written
[root@rep1 network-scripts]# vi ifcfg-eth0:2
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]
DEVICE=eth0:2                                                #此处修改
BOOTPROTO=static
BROADCAST=172.28.255.255                    #IP地址的广播地址
HWADDR=00:0C:29:D5:39:A0                    #MAC地址，不用修改
IPADDR=172.28.90.202                                 #设置新的IP
NETMASK=255.255.0.0
NETWORK=172.28.0.0
ONBOOT=yes
~
———————————————————————————————————
~
"ifcfg-eth0:2" 9L, 206C written
[root@rep1 network-scripts]# service network restart           #重启下网络服务
Shutting down interface eth0:                              [ OK ]
Shutting down loopback interface:                          [ OK ]
Bringing up loopback interface:                            [ OK ]
Bringing up interface eth0:                                [ OK ]
[root@rep1 network-scripts]# ifconfig                             #修改好后验证是否成功
eth0      Link encap:Ethernet HWaddr 00:0C:29:D5:39:A0
          inet addr: 172.28.90.101 Bcast:172.28.255.255 Mask:255.255.0.0
          inet6 addr: fe80::20c:29ff:fed5:39a0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:3131096 errors:0 dropped:0 overruns:0 frame:0
          TX packets:101660 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:462925438 (441.4 MiB) TX bytes:10829005 (10.3 MiB)
          Interrupt:75 Base address:0x2000

eth0:1    Link encap:Ethernet HWaddr 00:0C:29:D5:39:A0
          inet addr: 172.28.90.201 Bcast:172.28.255.255 Mask:255.255.0.0
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          Interrupt:75 Base address:0x2000

eth0:2    Link encap:Ethernet HWaddr 00:0C:29:D5:39:A0
          inet addr: 172.28.90.202 Bcast:172.28.255.255 Mask:255.255.0.0
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          Interrupt:75 Base address:0x2000

[root@rep1 network-scripts]# ls
ifcfg-eth0     ifdown-ipsec   ifdown-tunnel ifup-ipx     ifup-sl
ifcfg-eth0:1 ifdown-ipv6    ifup           ifup-isdn    ifup-tunnel
ifcfg-eth0:2 ifdown-isdn    ifup-aliases   ifup-plip    ifup-wireless
ifcfg-lo      ifdown-post    ifup-bnep      ifup-plusb   init.ipv6-global
ifdown        ifdown-ppp     ifup-eth       ifup-post    net.hotplug
ifdown-bnep   ifdown-routes ifup-ippp      ifup-ppp     network-functions
ifdown-eth    ifdown-sit     ifup-ipsec     ifup-routes network-functions-ipv6
ifdown-ippp   ifdown-sl      ifup-ipv6      ifup-sit
[root@rep1 network-scripts]#

我们再wind下验证下是否通。。。

C:\Documents and Settings\Administrator>ping 172.28.90.101

Pinging 172.28.90.101 with 32 bytes of data:

Reply from 172.28.90.101: bytes=32 time=17ms TTL=63
Reply from 172.28.90.101: bytes=32 time=14ms TTL=63

Ping statistics for 172.28.90.101:
Packets: Sent = 2, Received = 2, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 14ms, Maximum = 17ms, Average = 15ms
Control-C
^C
C:\Documents and Settings\Administrator>ping 172.28.90.201

Pinging 172.28.90.201 with 32 bytes of data:

Reply from 172.28.90.201: bytes=32 time=38ms TTL=63
Reply from 172.28.90.201: bytes=32 time=18ms TTL=63
Reply from 172.28.90.201: bytes=32 time=2ms TTL=63

Ping statistics for 172.28.90.201:
Packets: Sent = 3, Received = 3, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 38ms, Average = 19ms
Control-C
^C
C:\Documents and Settings\Administrator>ping 172.28.90.202

Pinging 172.28.90.202 with 32 bytes of data:

Reply from 172.28.90.202: bytes=32 time=39ms TTL=63
Reply from 172.28.90.202: bytes=32 time=17ms TTL=63
Reply from 172.28.90.202: bytes=32 time=17ms TTL=63

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A beautiful web dashboard for Linux

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5def40a3 Add host customization support for the NodeJS version 4 年前

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