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linuxÌí¼Ó·ÓÉ
http://baikgd.blog.163.com/blog/static/35402495200972111353827/
·þÎñÆ÷ip(eth0)
[root@localhost net]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:E3:9A:15
inet addr:172.18.3.205 Bcast:172.18.3.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fee3:9a15/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4776 errors:0 dropped:0 overruns:0 frame:0
TX packets:3348 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:439384 (429.0 KiB) TX bytes:390425 (381.2 KiB)
Interrupt:11 Base address:0x1400
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:254 errors:0 dropped:0 overruns:0 frame:0
TX packets:254 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:22128 (21.6 KiB) TX bytes:22128 (21.6 KiB)
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[root@localhost net]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
172.18.3.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
==========================================================
Ìí¼ÓĬÈÏÍø¹Ø
[root@localhost net]# route add default gw 172.18.3.50
[root@localhost net]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
172.18.3.0 * 255.255.255.0 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
default 172.18.3.50 0.0.0.0 UG 0 0 0 eth0
=======================================================
Ìí¼ÓÒ»¸öip(eth0:1)
[root@localhost net]# ifconfig eth0:1 192.168.168.119 netmask 255.255.255.0 up
[root@localhost net]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:E3:9A:15
inet addr:172.18.3.205 Bcast:172.18.3.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fee3:9a15/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5071 errors:0 dropped:0 overruns:0 frame:0
TX packets:3569 errors:0 dropped:0 overrun