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À¯´Ð½º IP address subnetting 3

 
IP address subnetting



½Ã½ºÅÛÀÌ ¼ÓÇÑ ³×Æ®¿÷ ȯ°æ¿¡ µû¶ó ¼³Á¤À» ´Ù¸£°Ô ÇؾßÇϴµ¥, ¿©±â¿¡´Â class °³³äÀÌ Àû¿ëµÈ´Ù. C class IP addressÀÎ 203.246.109.0À» ÇÒ´ç¹Þ¾Ò°í, subnettingÀ» ÇÏÁö ¾Ê±â·Î Çß´Ù¸é ´ÙÀ½°ú °°ÀÌ ÀÔ·ÂÇØÁÖ¸é (½Ã½ºÅÛÀÇ ¹®Á¦°¡ ¾ø´Ù¸é) logical ethernet interface´Â enable µÈ´Ù. ½Ã½ºÅÛÀÇ IP address´Â 203.246.109.69¸¦ ÇÒ´çÇϱâ·Î °áÁ¤ÇÏ¿´´Ù°í ÇÏÀÚ.






root# ifconfig le0 203.246.109.69 netmask 255.255.255.0 broadcast 203.246.109.255 up [Enter]


root# ifconfig -a [Enter]




lo0: flags=849 mtu 8232


inet 127.0.0.1 netmask ff000000


le0: flags=863 mtu 1500


inet 203.246.109.69 netmask ffff0000 broadcast 203.246.109.255




root#








logical ethernet interface °¡ enable µÇ¾ú´ÂÁö È®ÀÎÇÏ´Â È®½ÇÇÑ ¹æ¹ýÀº ping ¸í·É¾î¸¦ ÀÔ·ÂÇßÀ» ¶§ alive¶ó´Â ÀÀ´äÀÌ ³ª¿À¸é µÈ´Ù.






root# ping 203.246.109.69 [Enter]




203.246.109.69 is alive




root#








¶ó¿ìÅͱîÁö Åë½Å°¡´É»óÅ Á¡°Ë ¼­¹ö½Ã½ºÅÛÀÌ ¶ó¿ìÅ͸¦ ÅëÇØ ÀÎÅͳݰú Åë½Å°¡´ÉÇÏ·Á¸é ½Ã½ºÅÛ¿¡¼­ ³ª¿Â µ¥ÀÌÅÍ°¡ ¶ó¿ìÅͱîÁö Àü´ÞµÉ ¼ö ÀÖ¾î¾ß ÇÑ´Ù. ¶ó¿ìÅÍ°¡ ¼­¹ö½Ã½ºÅÛ°ú µ¿ÀÏÇÑ network address(203.246.109.0)¿¡ Á¢¼ÓµÇ¾î ÀÖ°í ±×°ÍÀÇ IP address°¡ 203.246.109.69¶ó¸é ping ½ÃÇèÀ» ÇÏ¿´À» ¶§ °á°ú°¡ alive°¡ ³ª¿Í¾ß ÇÑ´Ù.






root# ping 203.246.109.69 [Enter]




203.246.109.69 is alive




root#








¸¸¾à alive¶ó´Â ¸í·É¾î°¡ ³ª¿ÀÁö ¾ÊÀ¸¸é ´ÙÀ½°ú °°ÀÌ »óŸ¦ °Ë»çÇÑ´Ù.








root# netstat -nr [Enter]




Routing Table:


Destination Gateway Flags Ref Use Interface


--------------------------------------------------------------------------------


127.0.0.1 127.0.0.1 UH 0 10020 lo0


203.246.109.0 203.246.109.69 U 4 1520 le0




root#








À§¿Í °°ÀÌ µÇ¾î Àִµ¥µµ ping¿¡¼­ alive ÀÀ´äÀÌ ³ª¿ÀÁö ¾ÊÀ¸¸é ¶ó¿ìÅÍÀÇ Á¢¼ÓÀÌ À߸øµÇ¾î Àְųª LAN cable ȤÀº HUBÀÇ ¹®Á¦ÀÏ ¼ö ÀÖ´Ù.


ping ½ÃÇè°á°ú alive¶ó´Â ÀÀ´äÀÌ ³ª¿À¸é ½Ã½ºÅÛÁ¢¼ÓÀº °ÅÀÇ ´Ù ¿Ï·áÇÑ ¼ÀÀÌ´Ù. ±×·¯³ª ¿ÏÀüÈ÷ ³¡³­ °ÍÀº ¾Æ´Ï´Ù. À̸¦ ÀÀ¿ëÇÏ¿© »ç¿ëÇÒ ¼ö ÀÖ´Â ¼­ºñ½º Á¢¼ÓÀÌ ÀÌ·ç¾îÁ®¾ß ÇÑ´Ù. ÀÌ ºÎºÐÀº ´ÙÀ½¿¡ °è¼Ó ³ª¿À°Ô µÈ´Ù.






constantine
2002-09-25 01:07:51
606 ¹ø ÀÐÀ½
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