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ip alias mac os

Posted on September 29th, 2010 by Leave a comment Go to comments

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Open terminal:

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Last login: Wed Sep 29 14:00:19 on console
MacBook-Pro:~ agusr$ ifconfig
lo0: flags=8049 mtu 16384
	inet6 ::1 prefixlen 128
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
	inet 127.0.0.1 netmask 0xff000000
gif0: flags=8010 mtu 1280
stf0: flags=0<> mtu 1280
en0: flags=8863 mtu 1500
	ether c4:2c:03:01:b3:ed
	inet6 fe80::c62c:3ff:fe01:b3ed%en0 prefixlen 64 scopeid 0x4
	inet 203.30.236.125 netmask 0xfffffff8 broadcast 203.30.236.127
	media: autoselect (100baseTX )
	status: active
---------- cut ------------

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Primary active interface "en0"
 
MacBook-Pro:~ agusr$ sudo ifconfig en0 alias 192.168.10.200 255.255.255.0
Password:
 
MacBook-Pro:~ agusr$ ifconfig en0
en0: flags=8863 mtu 1500
	ether c4:2c:03:01:b3:ed
	inet6 fe80::c62c:3ff:fe01:b3ed%en0 prefixlen 64 scopeid 0x4
	inet 203.30.236.125 netmask 0xfffffff8 broadcast 203.30.236.127
	inet 192.168.10.200 netmask 0xffffff00 broadcast 255.255.255.0
	media: autoselect (100baseTX )
	status: active

Now how to remove ip alias ?
Just type:

MacBook-Pro:~ agusr$ sudo ifconfig en0 -alias 192.168.10.200 255.255.255.0

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