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# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.1.254
network 192.168.1.0
netmask 255.255.255.0
broadcast 192.168.1.255
gateway 192.168.1.1
auto eth1
iface eth1 inet dhcp
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# /etc/init.d/networking restart
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nameserver 192.168 .203.2
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127.0.0.1 cobain
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DEVICE=eth0
BOOTPROTO=static
BROADCAST=192.168.203.255
IPADDR= 192.168.203 .2
NETMASK=255.255.255.0
NETWORK= 192.168.203 .9
GATEWAY= 192.168.203.1
HOSTNAME=cobain
ONBOOT=yes
TYPE=Ethernet
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netmask addr
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del addr/prefixlen
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hw class address
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ifconfig
eth0 Link encap:Ethernet HWaddr 00:15:58:3E:F2:6B
inet addr:192.168.1.254 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::215:58ff:fe3e:f26b/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:29458 errors:0 dropped:0 overruns:0 frame:0
TX packets:23690 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:10945195 (10.4 MiB) TX bytes:2935004 (2.7 MiB)
Interrupt:169 Base address:0xe200
eth0:0 Link encap:Ethernet HWaddr 00:15:58:3E:F2:6B
inet addr:192.168.1.244 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:169 Base address:0xe200
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:354 errors:0 dropped:0 overruns:0 frame:0
TX packets:354 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:45062 (44.0 KiB) TX bytes:45062 (44.0 KiB)
ppp0 Link encap:Point-to-Point Protocol
inet addr:18.18.18.13 P-t-P:18.18.18.1 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1396 Metric:1
RX packets:9631 errors:0 dropped:0 overruns:0 frame:0
TX packets:9189 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:8460352 (8.0 MiB) TX bytes:913898 (892.4 KiB)
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* inet addr ï¼ç½å¡ç ip å°å
* Bcast ï¼å¹¿æå°å ( broadcast ) ï¼
* Mask ï¼åç½æ©ç ï¼
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ifconfig eth0 up
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#ifconfig eth0 192.168.1.112 netmask 255.255.255.0
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ifconfig eth0 down
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ifconfig eth0 down
ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx
ifconfig eth0 up
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ifconfig eth0 ip 192.168.203.2 netmask 255.255.255.0
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ifconifg eth0 down
ifconfig eth0 up
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route add default gw 192.168.203.1
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