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¸®´ª½ºÆÁ Go Unix Power Tools Online Book
Go Bash Guide
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Read No. 148 article |
2002-05-02 00:46:45 |
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NickName |
Ç®ºñ´© |
Subject |
ifconfig & route |
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ftp://chongnux.klug.or.kr/pub/Chongnux/Courses/Base1/CMD_ifconfig_route.txt
ifconfig & route
___________________________________________________________________
±Û¾´ÀÌ: Chongnux Team
À±¿µÇÑ(shee at chongnux.klug.or.kr)
ȨÆäÀÌÁö: http://chongnux.klug.or.kr/
ÀÛ¼ºÀÏ: 2001. 12. 03. (¿ù) 19:28:53 KST
¹ö Á¯: 1.0
Å×½ºÆ®: RedHat7.2 English Version
ÀÌ ¹®¼´Â ´©±¸³ª ÀÚÀ¯·Ó°Ô »ç¿ëÀÌ °¡´ÉÇϸç,¸¹Àº µµ¿òÀÌ µÇ¾úÀ¸¸é ÇÕ´Ï´Ù.
( ´Ü, »ó¾÷ÀûÀÏ °æ¿ì Chongnux TeamÀÇ Çã¶ôÀÌ ÀÖ¾î¾ß ÇÕ´Ï´Ù. )
___________________________________________________________________
¸ñÂ÷
0.ifconfig
0.1.ifconfig ¶õ ?
0.2.ifconfig examples
1.route
1.1.route ¶õ ?
1.2.route examples
2.ÀÌ´õ³Ý ¼³Á¤Çϱâ
3.ÆÁ
3.1. ÀÌ´õ³Ý¿¡ aliasing °É±â
3.2. ÀÌ´õ³Ý ¹«Â÷º° ¸ðµå·Î ¸¸µé±â
4.Âü°í
___________________________________________________________________
0.ifconfig
0.1.ifconfig ¶õ ?
³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º ¼³Á¤ ¸í·É¾î
Á»´õ »ó¼¼ÇÑ ³»¿ë
: man ifconfig
0.2.ifconfig examples
[ ÀÌ´õ³Ý¿¡ IP¿Ã¸®±â ]
-[ SYNOPSIS ]-----------------
| ifconfig ethn ip-address up |
-----------------------------
ex1) 211.112.37.201 ip¸¦ eth0¿¡ ¿Ã¸®±â
ifconfig eth0 211.112.37.201 up
ex2) 211.112.37.201 ip¸¦ eth0¿¡¼ ³»¸®±â
ifconfig eth0 211.112.37.201 up
ex3) eth0 ÀÌ´õ³Ý ³»¸®°í ¿Ã¸®±â
ifconfig eth0 down
ifconfig eth0 up
ex4) eth0¿¡ ipÇÏ°í netmask, broadcast °ª ³Ö±â
ifconfig eth0 211.112.37.210 netmask 211.112.37.128 broadcast 211.112.37.255 up
1.route
1.1. route ¶õ ?
¶ó¿ìÆà Å×À̺íÀÇ ³»¿ëÀ» º¸¿©ÁÖ°í °ü¸®ÇØÁÖ´Â ¸í·É¾î
Á»´õ »ó¼¼ÇÑ ³»¿ë
: man route
1.2. route examples
[ ÀÌ´õ³Ý ¶ó¿ìÅÍ ¿Ã¸®±â ]
-[ SYNOPSIS ]-----------------
| route add default gw host ip |
------------------------------
ex1) 211.112.37.1 µðÆúÆ® °ÔÀÌÆ®¿þÀÌ ¿Ã¸®±â
route add default gw 211.112.37.1
ex2) 211.112.37.1 µðÆúÆ® °ÔÀÌÆ®¿þÀÌ ³»¸®±â
route del default gw 211.112.37.1
ex3) 192.168.0.0 ¶ó¿ìÆà Å×ÀÌºí ¿Ã¸®°í ³»¸®±â
route del -net 192.168.0.0 dev eth0 netmask 255.255.255.0
*»ç¼³ IP¸¦ ÃßÃàÇÒ¶§ ÀÌÅͳݿ¡ ¶ó¿ìÆÃÀ» ¿Ã·Á ÁØ´Ù.
ex4) 192.168.0.6ÇÑ °³ÀÇ È£½ºÆ® ¶ó¿ìÆà °æ·Î eth0 Ãß°¡
route add -host 192.168.0.6 dev eth0
*·£Å¸µå°¡ 2°³ÀÎ °æ¿ì °¢°¡ÀÇ È£½ºÆ®¿¡ °üÇÑ ¶ó¿ìÆà °æ·Î¸¦ ¿Ã·ÁÁÖ´Â °ÍÀÌ ºü¸¥ ¶ó¿ì
ÆÃÀ» °¡´ÉÇÑ°Ô ÇØÁØ´Ù.
2. ÀÌ´õ³Ý ¼³Á¤Çϱâ
´ëºÎºÐ netconfig¸¦ ÀÌ¿ëÇÏ¿© ¼¼ÆÃÀÌ °¡´É Çϸé
- /etc/sysconfig/network
- /etc/sysconfig/network-scripts/ifcfg-eth0
- /etc/resolv.conf
ÈÀÏÀ» Á÷Á¢ ÆíÁýÀ» Çصµ µÈ´Ù.
¼öµ¿À¸·Î ¼³Á¤ÇÏ°í ½ÍÀ¸¸é °£´ÜÈ÷ ´ÙÀ½°ú °°ÀÌ Äֿܼ¡¼ ¸í·É¾î¸¦ ³»¸®¸é ÀÌÅͳÝÀ» ¼³Á¤
ÇÒ¼ö°¡ ÀÖ´Ù.
## ÀÌ´õ³Ý¿¡ ip ¿Ã¸®±â
]# ifconfig eth0 211.112.37.209 netmask 211.112.37.128 broadcast 211.112.37.255
## °ÔÀÌÆ® ¿þÀÌ ¿Ã¸®±â
]# route add default gw 211.112.37.129
## ³×ÀÓ¼¹ö ³Ö±â
]# cat nameserver 168.126.63.1 > /etc/resolv.conf
## ÀÌ³Ê³Ý »óÅ ȮÀÎ
]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:E0:98:8A:8A:CD
inet addr:211.112.37.209 Bcast:211.112.37.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2557 errors:0 dropped:21 overruns:0 frame:101
TX packets:582 errors:0 dropped:0 overruns:0 carrier:0
collisions:43
RX bytes:425812 (415.8 Kb) TX bytes:69630 (67.9 Kb)
## °ÔÀÌÆ® ¿þÀÌ È®ÀÎ
]# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
211.112.37.0 * 255.255.255.0 U 0 0 0 eth0
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default 211.112.37.129 0.0.0.0 UG 0 0 0 eth0
## ÃÖÁ¾ Á¤°Ë
# ping yahoo.com
PING yahoo.com (216.115.108.245) from 211.112.37.209 : 56(84) bytes of data.
64 bytes from img5.yahoo.com (216.115.108.245): icmp_seq=0 ttl=244 time=151.721
msec
64 bytes from img5.yahoo.com (216.115.108.245): icmp_seq=1 ttl=244 time=133.886
msec
--- yahoo.com ping statistics ---
3 packets transmitted, 2 packets received, 33% packet loss
round-trip min/avg/max/mdev = 133.886/142.803/151.721/8.925 ms
3.ÆÁ
3.1. ÀÌ´õ³Ý¿¡ aliasing °É±â
]# ifconfig eth0:0 211.112.37.210 netmask 211.112.37.128 broadcast
211.112.37.255 up
]# ifconfig eth0:0
eth0:0 Link encap:Ethernet HWaddr 00:E0:98:8A:8A:CD
inet addr:211.112.37.210 Bcast:211.112.37.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
* ÀÌ´õ³Ý ¿¡¾ó¸®¾Æ½ÌÀº ÇÑ °³ÀÇ ÀÌ´õ³Ý¿¡ ¿©·¯°³ÀÇ ip¸¦ ºÎ¿© ÇÒ¶§ »ç¿ëµÈ´Ù.
¸Å½ºÄ¿·¹À̵ùÀ» ÇÒ¶§ 2°³ÀÇ ÀÌ´õ³ÝÀÌ ¾ø¾îµµ ÇÑ°³ÀÇ ÀÌ´õ³Ý Ä«µå·Î °¡´ÉÇÑ °ÍÀº
¿¡¾ó¸®¾Æ½ÌÀ» ÀÌ¿ëÇϱ⠶§¹®ÀÌ´Ù.
3.2. ÀÌ´õ³Ý ¹«Â÷º° ¸ðµå·Î ¸¸µé±â
³Ö±â
]# ifconfig eth0 promisc
]# ifconfig | grep PROMISC
UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1
»©±â
]# ifconfig eth0 -promisc
]# ifconfig | grep PROMISC
4.Âü°í
http://www.ictp.trieste.it/~radionet/1998_school/networking_tasks/
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