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dhclient.conf

Langue: ja

Autres versions - même langue

Version: 55012 (openSuse - 09/10/07)

Section: 5 (Format de fichier)

Sommaire

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dhclient.conf - DHCP ¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥Õ¥¡¥¤¥ë

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dhclient.conf ¥Õ¥¡¥¤¥ë¤Ë¤Ï Internet Software Consortium ¤Î DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ç¤¢¤ë dhclient ¤ÎÀßÄê¾ðÊó¤¬´Þ¤Þ¤ì¤Þ¤¹¡£

dhclient.conf ¤Ï¼«Í³·Á¼°¤Î ASCII ¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤Ç¤¹¡£ ¤³¤Î¥Õ¥¡¥¤¥ë¤Ï dhclient ¤ËÁÈ¤ß¹þ¤Þ¤ì¤¿ºÆµ¢²¼¹ß¥Ñ¡¼¥¶¤Ë²òÀÏ¤µ¤ì¤Þ¤¹¡£ ¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢À°·Á¤ÎÌÜÅª¤Ç¥¿¥Ö¤ä²þ¹Ô¤òÍ¾Ê¬¤Ë´Þ¤á¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ ¥Õ¥¡¥¤¥ëÃæ¤Î¥¡¼¥ï¡¼¥É¤Ç¤ÏÂçÊ¸»ú¾®Ê¸»ú¤ò¶èÊÌ¤·¤Þ¤»¤ó¡£ (¥¯¥©¡¼¥ÈÆâ¤Ï½ü¤¤¤Æ) ¥Õ¥¡¥¤¥ëÃæ¤Î¤É¤³¤Ç¤â¥³¥á¥ó¥È¤òÃÖ¤¯¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ ¥³¥á¥ó¥È¤ÏÊ¸»ú # ¤Ç»Ï¤Þ¤ê¡¢¹ÔËö¤Ç½ª¤ï¤ê¤Þ¤¹¡£

dhclient.conf ¥Õ¥¡¥¤¥ë¤Ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤Î¤µ¤Þ¤¶¤Þ¤ÊÆ°ºî¤òÀßÄê¤Ç¤¤Þ¤¹¡£ ¤½¤ì¤é¤Ë¤Ï¡¢¥×¥í¥È¥³¥ë¤Î¥¿¥¤¥ß¥ó¥°¡¢¥µ¡¼¥Ð¤ËÂÐ¤·¤ÆÍ×µá¤¹¤ë¾ðÊó¡¢ ¥µ¡¼¥Ð¤ËÂÐ¤·¤ÆÉ¬¿Ü¤È¤µ¤ì¤ë¾ðÊó¡¢ ¥µ¡¼¥Ð¤¬¾ðÊó¤òÄó¶¡¤·¤Ê¤«¤Ã¤¿¾ì¹ç¤ËÍÑ¤¤¤ë¥Ç¥Õ¥©¥ë¥È¡¢ ¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤¿¾ðÊó¤ò¾å½ñ¤¤¹¤ëÃÍ¡¢ ¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤¿¾ðÊó¤ËÁ°ÃÖ¤ä¸åÃÖ¤¹¤ëÃÍ¤Ê¤É¤¬¤¢¤ê¤Þ¤¹¡£ ¤Þ¤¿¡¢DHCP ¥µ¡¼¥Ð¤ò»ý¤¿¤Ê¤¤¥Í¥Ã¥È¥ï¡¼¥¯¤Ç»È¤¦¥¢¥É¥ì¥¹¤Ç¤¢¤Ã¤Æ¤â¡¢ ¤¢¤é¤«¤¸¤áÀßÄê¥Õ¥¡¥¤¥ë¤Ç½é´ü²½¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£

¥×¥í¥È¥³¥ë¤Î¥¿¥¤¥ß¥ó¥°

¤·¤«¤·¡¢É¬Í×¤Ë±þ¤¸¤Æ¡¢ ¼¡¤ÎÊ¸¤ò»ØÄê¤·¤Æ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Î¥¿¥¤¥ß¥ó¥°Æ°ºî¤òÄ´Àá¤Ç¤¤Þ¤¹:

timeout Ê¸

timeout time ;

retry Ê¸

retry time;

retry Ê¸¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬ DHCP ¥µ¡¼¥Ð¤¬Â¸ºß¤·¤Ê¤¤¤ÈÈ½ÃÇ¤·¤Æ¤«¤é ºÆ¤Ó DHCP ¥µ¡¼¥Ð¤Ë¥¢¥¯¥»¥¹¤ò»î¤ß¤ë¤Þ¤Ç¤Î´Ö¤Ë¡¢·Ð²á¤¹¤ë¤Ù¤»þ´Ö¤ò·è¤á¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¤³¤ì¤Ï 5 Ê¬¤Ç¤¹¡£

select-timeout Ê¸

select-timeout time;

¤¢¤ë¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Ç¡¢Ê£¿ô¤Î DHCP ¥µ¡¼¥Ð¤¬¥µ¡¼¥Ó¥¹¤òÄó¶¡¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹ (¤½¤ÎÊý¤¬Ë¾¤Þ¤·¤¤¤È¤¤¤¦°Õ¸«¤â¤¢¤ê¤Þ¤¹)¡£ ¤½¤Î¾ì¹ç¡¢ºÇ½é¤Î¥ê¡¼¥¹È¯¸«¥á¥Ã¥»¡¼¥¸ (lease discovery message) ¤Ø¤Î±þÅú¤È¤·¤Æ¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤¬Ê£¿ô¤Î¥ê¡¼¥¹Äó¶¡¤Î¿½¤·½Ð¤ò¼õ¤±¤ë¤³¤È¤â¤¢¤êÆÀ¤Þ¤¹¡£ ¤½¤ì¤é¤Î¤¦¤Á¡¢¤¢¤ëÄó¶¡¤¬Â¾¤ÎÄó¶¡¤è¤ê¤â¹¥¤Þ¤·¤¤¤«¤â¤·¤ì¤Þ¤»¤ó (Îã¤¨¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬°ÊÁ°»ÈÍÑ¤·¤Æ¤¤¤¿¥¢¥É¥ì¥¹¤¬¤¢¤ëÄó¶¡¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ë¤¬¡¢ Â¾¤ÎÄó¶¡¤Ë¤Ï´Þ¤Þ¤ì¤Ê¤¤¤Ê¤É)¡£

select-timeout ¤Ï¥¯¥é¥¤¥¢¥ó¥È¤¬ºÇ½é¤Î¥ê¡¼¥¹È¯¸«Í×µá ¤òÁ÷¿®¤·¤Æ¡¢ ¾¯¤Ê¤¯¤È¤â 1 ¤Ä¤ÎÄó¶¡¿½¤·½Ð¤ò¼õ¤±¤¿¾ì¹ç¡¢ ¥µ¡¼¥Ð¤«¤é¤ÎÄó¶¡¿½¤·½ÐÂÔ¤Á¤ò¤ä¤á¤ë¤Þ¤Ç¤Î»þ´Ö¤Ç¤¹¡£ ¤â¤· select-timeout ¤¬ÀÚ¤ì¤ë¤Þ¤Ç¤Ë¤É¤³¤«¤é¤âÄó¶¡¿½¤·½Ð¤ò¼õ¤±¼è¤ì¤Ê¤±¤ì¤Ð¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤Ï¤½¤Î¤¢¤ÈºÇ½é¤ËÅþÃå¤¹¤ëÄó¶¡¿½¤·½Ð¤ò¼õ¤±Æþ¤ì¤Þ¤¹¡£

¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢select-timeout ÃÍ¤Ï 0 ÉÃ¤Ç¤¹¡£ ¤Ä¤Þ¤ê¥¯¥é¥¤¥¢¥ó¥È¤ÏºÇ½é¤Ë¼õ¤±¼è¤ëÄó¶¡¿½¤·½Ð¤ò¼õ¤±Æþ¤ì¤Þ¤¹¡£

reboot Ê¸

reboot time;

¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢ºÆµ¯Æ°¤¹¤ë¤È¡¢ ºÇ¸å¤ËÊÝ»ý¤·¤Æ¤¤¤¿¥¢¥É¥ì¥¹¤ò¤Þ¤º¼èÆÀ¤·Ä¾¤½¤¦¤È¤·¤Þ¤¹¡£ ¤³¤ì¤ò INIT-REBOOT (½é´ü¥ê¥Ö¡¼¥È) ¾õÂÖ¤È¸Æ¤Ó¤Þ¤¹¡£ ºÇ¸å¤ËÆ°ºî¤·¤Æ¤¤¤¿¤È¤¤ÈÆ±¤¸¥Í¥Ã¥È¥ï¡¼¥¯¤Ë ¥¯¥é¥¤¥¢¥ó¥È¤¬¤Þ¤ÀÀÜÂ³¤·¤Æ¤¤¤ì¤Ð¡¢¤³¤ì¤¬ºÇ¤âÁÇÁá¤¤µ¯Æ°Ë¡¤È¤Ê¤ê¤Þ¤¹¡£ reboot Ê¸¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬ºÇ½é¤Ë¸Å¤¤¥¢¥É¥ì¥¹¤ÎºÆ¼èÆÀ¤ò»î¤ß¤Æ¤«¤é¡¢ ¤¢¤¤é¤á¤Æ¿·¤·¤¤¥¢¥É¥ì¥¹¤òÈ¯¸«¤·¤è¤¦¤È¤¹¤ë¤Þ¤Ç¤Ë¡¢ ·Ð²á¤¹¤Ù¤»þ´Ö¤òÀßÄê¤·¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢reboot ¥¿¥¤¥à¥¢¥¦¥ÈÃÍ¤Ï 10 ÉÃ¤Ç¤¹¡£

backoff-cutoff Ê¸

backoff-cutoff time;

¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢»Ø¿ôÅª¤Ê°ì»þÂàÈò (backoff) ¥¢¥ë¥´¥ê¥º¥à¤ò¡¢¤¢¤ëÄøÅÙ¤Î Íð¿ôÉÕ¤¤Ç»ÈÍÑ¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢Â¿¤¯¤Î¥¯¥é¥¤¥¢¥ó¥È¤¬Æ±»þ¤Ë¼«Ê¬¤òÀßÄê¤·¤è¤¦ ¤È¤·¤¿¤È¤¤Ç¤â¡¢¥ê¥¯¥¨¥¹¥È¤¬¥í¥Ã¥¯¤·¤Æ¤·¤Þ¤¦¤³¤È¤¬¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¤¿¤á¤Ç¤¹¡£ backoff-cutoff Ê¸¤Ï¡¢°ì»þÂàÈò¤Ëµö¤µ¤ì¤¿ºÇÂç»þ´Ö¤ò·èÄê¤·¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 2 Ê¬¤Ç¤¹¡£

initial-interval Ê¸

initial-interval time;

initial-interval Ê¸¤Ï¡¢¥µ¡¼¥Ð¤Ø¤ÎºÇ½é¤Î¥¢¥¯¥»¥¹¤Î»î¤ß¤«¤é¼¡¤Î»î¤ß¤Þ¤Ç¤Î´Ö¤Î»þ´Ö¤ò ÀßÄê¤·¤Þ¤¹¡£¥á¥Ã¥»¡¼¥¸¤Î´Ö³Ö¤Ï¡¢¥á¥Ã¥»¡¼¥¸¤ò 1 ²óÁ÷¿®¤¹¤ë¤¿¤Ó¤Ë¡¢ ¸½ºß¤Î´Ö³Ö¤Ë 0 ¤«¤é 1 ¤Î´Ö¤ÎÍð¿ôÃÍ¤ò¾è¤¸¤¿¤â¤Î¤Î 2 ÇÜ¤ò¡¢¸½ºß¤Î´Ö³Ö¤Ë ²Ã¤¨¤¿¤â¤Î¤Ë¤Ê¤ê¤Þ¤¹¡£ ¤³¤ÎÃÍ¤¬ backoff-cutoff ÃÍ¤è¤êÂç¤¤¯¤Ê¤ë¤È¡¢¤³¤Î»þ´Ö¤¬ÀßÄê¤µ¤ì¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 10 ÉÃ¤Ç¤¹¡£

¥ê¡¼¥¹Í×µá¤È¥ê¥¯¥¨¥¹¥È

DHCP ¥×¥í¥È¥³¥ë¤Ç¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤«¤é¥µ¡¼¥Ð¤ËÂÐ¤·¡¢ÆÃÄê¤Î¾ðÊó¤òÁ÷¤ë¤è¤¦ Í×µá¤·¤¿¤ê¡¢¼õ¤±Æþ¤ì½àÈ÷¤Î¤Ç¤¤Æ¤¤¤Ê¤¤Â¾¤Î¾ðÊó¤ÏÁ÷¤é¤Ê¤¤¤è¤¦¤ËÍ×µá¤·¤¿¤ê ¤Ç¤¤Þ¤¹¡£ ¤Þ¤¿¡¢¥µ¡¼¥Ð¤«¤é¤ÎÄó¶¡¿½¤·½Ð¤Ë¥¯¥é¥¤¥¢¥ó¥È¤ÎÉ¬Í×¤È¤¹¤ë¾ðÊó¤¬´Þ¤Þ¤ì¤Ê¤¤ ¾ì¹ç¤ä¡¢Äó¶¡¤µ¤ì¤¿¾ðÊó¤¬½¼Ê¬¤Ç¤Ê¤¤¾ì¹ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬Äó¶¡¿½¤·½Ð¤ò µñÈÝ¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£

DHCP ¥µ¡¼¥Ð¤¬ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤ËÁ÷¤ëÄó¶¡¿½¤·½Ð¤Ë´Þ¤Þ¤ì¤ë¥Ç¡¼¥¿¤Ë¤Ï¡¢ ¤µ¤Þ¤¶¤Þ¤Ê¤â¤Î¤¬¤¢¤ê¤Þ¤¹¡£ ÆÃ¤ËÍ×µá¤Ç¤¤ë¥Ç¡¼¥¿¤Ï DHCP ¥ª¥×¥·¥ç¥ó ¤È¸Æ¤Ð¤ì¤ë¤â¤Î¤Ç¤¹¡£ DHCP ¥ª¥×¥·¥ç¥ó¤Ï
dhcp-options(5) ¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

request Ê¸

request [ option ] [, ... option ];

request Ê¸¤ò»ØÄê¤¹¤ë¤³¤È¤Ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢¥µ¡¼¥Ð¤ËÂÐ¤·¡¢¤½¤Î ¥¯¥é¥¤¥¢¥ó¥È¤Ë±þÅú¤¹¤ë¤Ê¤é¤Ð¡¢»ØÄê¤·¤¿¥ª¥×¥·¥ç¥ó¤ÎÃÍ¤òÁ÷¤ë¤è¤¦ Í×µá¤¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ request Ê¸¤Ë¤Ï¥ª¥×¥·¥ç¥óÌ¾¤À¤±¤ò»ØÄê¤·¡¢¥ª¥×¥·¥ç¥ó¥Ñ¥é¥á¡¼¥¿¤Ï»ØÄê¤·¤Þ¤»¤ó¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ï subnet-mask, broadcast-address, time-offset, routers, domain-name, domain-name-servers, host-name ¥ª¥×¥·¥ç¥ó¤òÍ×µá¤·¤Þ¤¹¡£


        request;

require Ê¸

require [ option ] [, ... option ];

require Ê¸¤Ë¤Ï¡¢¤¢¤ëÄó¶¡¿½¤·½Ð¤ò¥¯¥é¥¤¥¢¥ó¥È¤¬¼õ¤±Æþ¤ì¤ë¤¿¤á¤Ë ¥µ¡¼¥Ð¤¬Á÷¤ë¤Ù¤¥ª¥×¥·¥ç¥ó¤òÎóµó¤·¤Þ¤¹¡£ Îóµó¤µ¤ì¤¿¥ª¥×¥·¥ç¥ó¤¹¤Ù¤Æ¤ò´Þ¤Þ¤Ê¤¤Äó¶¡¿½¤·½Ð¤ÏÌµ»ë¤µ¤ì¤Þ¤¹¡£

send Ê¸

send { [ option declaration ] [, ... option declaration ]}

send Ê¸¤ò»ØÄê¤¹¤ë¤³¤È¤Ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢ »ØÄê¤·¤¿¥ª¥×¥·¥ç¥ó¤ò»ØÄê¤·¤¿ÃÍ¤Ç¥µ¡¼¥Ð¤ËÁ÷¿®¤¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ ¤³¤³¤Ç»ØÄê¤Ç¤¤ë¥ª¥×¥·¥ç¥ó¤Ï¡¢ dhcp-options(5) ¤ÇÀâÌÀ¤µ¤ì¤Æ¤¤¤ë¥ª¥×¥·¥ç¥óÀë¸À¤¹¤Ù¤Æ¤Ç¤¹¡£ DHCP ¥×¥í¥È¥³¥ë¤Ç¾ï¤ËÁ÷¤é¤ì¤ë¥ª¥×¥·¥ç¥ó¤Ï ¤³¤³¤Ë»ØÄê¤¹¤ë¤Ù¤¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£Ã¢¤·¡¢ requested-lease-time ¥ª¥×¥·¥ç¥ó¤ò¥Ç¥Õ¥©¥ë¥È¤Î¥ê¡¼¥¹»þ´Ö (2 »þ´Ö) °Ê³°¤ÎÃÍ¤Ç»ØÄê¤¹¤ë¤³¤È¤Ï¤Ç¤¤Þ¤¹¡£¤³¤ÎÊ¸¤ò»È¤¦Â¾¤Î¾ì¹ç¤È¤·¤ÆÌÀ¤é¤«¤Ê ¤â¤Î¤Ï¡¢¼«Ê¬¤ÈÊÌ¤Î¼ïÎà¤Î¥¯¥é¥¤¥¢¥ó¥È¤È¤ò¶èÊÌ¤Ç¤¤ë¤è¤¦¤Ê ¾ðÊó¤ò¡¢¥µ¡¼¥Ð¤ËÂÐ¤·Á÷¿®¤¹¤ë¾ì¹ç¤Ç¤¹¡£

Æ°Åª DNS

¸½ºß¡¢¥ê¡¼¥¹¤¬³ÍÆÀ¤µ¤ì¤¿ºÝ¤Ë DNS ¤Î¹¹¿·¤ò¹Ô¤¦¤¿¤á¤Î¡¢ Èó¾ï¤Ë¸ÂÄêÅª¤Ê¥µ¥Ý¡¼¥È¤¬¥¯¥é¥¤¥¢¥ó¥È¤Ë¤¢¤ê¤Þ¤¹¡£ ¤³¤ì¤Ï¥×¥í¥È¥¿¥¤¥×Åª¤Ê¤â¤Î¤Ç¤¢¤ê¡¢ ¤ª¤½¤é¤¯¤¢¤Ê¤¿¤¬»×¤Ã¤Æ¤¤¤ë¤è¤¦¤Ë¤ÏÆ°¤¤Þ¤»¤ó¡£ ¤â¤·¡¢¤¢¤Ê¤¿¤¬¶öÁ³¤Ë¤â¼«Ê¬¤Î¤È¤³¤í¤Î DNS ¥µ¡¼¥Ð¤Î´ÉÍý¼Ô¤Ç¤¢¤ë¤È¤¤¤¦¤Ê¤é¡¢ ¤½¤Î¾ì¹ç¤Ë¸Â¤Ã¤Æ¤ÏÆ°¤¤Þ¤¹¡£¤È¤Æ¤â¤¢¤ê¤½¤¦¤Ë¤Ê¤¤¤³¤È¤Ç¤¹¤¬¡£

¤³¤ì¤òÆ°ºî¤µ¤»¤ë¤¿¤á¤Ë¤Ï¡¢DHCP ¥µ¡¼¥Ð¤ÎÃæ¤Ç ¸°¤È¥¾¡¼¥ó¤òÀë¸À¤¹¤ëÉ¬Í×¤¬¤¢¤ê¤Þ¤¹ (¾ÜºÙ¤Ï dhcpd.conf(5) ¤ò»²¾È)¡£ ¤Þ¤¿¡¢¼¡¤Î¤è¤¦¤Ë¥¯¥é¥¤¥¢¥ó¥È¤Ç fqdn ¥ª¥×¥·¥ç¥ó¤òÀßÄê¤¹¤ëÉ¬Í×¤¬¤¢¤ê¤Þ¤¹:


  send fqdn.fqdn "grosse.fugue.com.";

  send fqdn.encoded on;

  send fqdn.server-update off;

fqdn.fqdn ¥ª¥×¥·¥ç¥ó¤Ï É¬¤º ´°Á´¤Ê¥É¥á¥¤¥óÌ¾¤Ç¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ ¹¹¿·¤¹¤ë¥¾¡¼¥ó¤ËÂÐ¤¹¤ë¥¾¡¼¥óÊ¸¤ò É¬¤º ÄêµÁ¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ fqdn.encoded ¥ª¥×¥·¥ç¥ó¤Ï¡¢»ÈÍÑ¤·¤Æ¤¤¤ë DHCP ¥µ¡¼¥Ð¤Ë¤è¤Ã¤Æ¤Ï¡¢ on ¤« off ¤ËÀßÄê¤¹¤ëÉ¬Í×¤¬¤¢¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£

no-client-updates Ê¸

no-client-updates [ flag ] ;

DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬Ä¾ÀÜ DNS ¤Î¹¹¿·¤ò¹Ô¤¦¤è¤ê¤â¡¢ DHCP ¥¯¥é¥¤¥¢¥ó¥È¥¹¥¯¥ê¥×¥È (dhclient-script(8) »²¾È) ¤ÎÃæ¤Ç DNS ¤Î¹¹¿·¤ò¹Ô¤¤¤¿¤¤¾ì¹ç (Îã¤¨¤Ð¡¢DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬Ä¾ÀÜ¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤ SIG(0) Ç§¾Ú¤ò»ÈÍÑ¤·¤¿¤¤¾ì¹ç) ¤Ë¤Ï¡¢no-client-updates Ê¸¤ò»È¤Ã¤Æ¡¢¹¹¿·¤ò¹Ô¤ï¤Ê¤¤¤è¤¦¤Ë ¥¯¥é¥¤¥¢¥ó¥È¤Ë¶µ¤¨¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬¹¹¿·¤¹¤ë¤³¤È¤òË¾¤Þ¤Ê¤¤¾ì¹ç¤Ï flag ¤ò true ¤Ë¤·¡¢ ¹¹¿·¤¹¤ë¤³¤È¤òË¾¤à¾ì¹ç¤Ï flag ¤ò false ¤Ë¤¹¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ï DNS ¤Î¹¹¿·¤ò¹Ô¤¤¤Þ¤¹¡£

¥ª¥×¥·¥ç¥ó½¤¾þ»Ò

default Ê¸

default [ option declaration ] ;

¤¢¤ë¥ª¥×¥·¥ç¥ó¤Ë¤Ä¤¤¤Æ¡¢ ¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤ëÃÍ¤ò¥¯¥é¥¤¥¢¥ó¥È¤¬»È¤ï¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤¬¡¢ ¤â¤·¥µ¡¼¥Ð¤«¤éÃÍ¤¬Äó¶¡¤µ¤ì¤Ê¤±¤ì¤Ð ²¿¤é¤«¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤ò»È¤¦É¬Í×¤¬¤¢¤ë¾ì¹ç¡¢ ¤½¤ì¤é¤ÎÃÍ¤ò default Ê¸¤ÇÄêµÁ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£

supersede Ê¸

supersede [ option declaration ] ;

¤¢¤ë¥ª¥×¥·¥ç¥ó¤Ë¤Ä¤¤¤Æ¡¢ ¤É¤Î¤è¤¦¤ÊÃÍ¤¬¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤Æ¤â¡¢ ¾ï¤Ë¥í¡¼¥«¥ë¤ÇÀßÄê¤µ¤ì¤¿ÃÍ¤ò»È¤ï¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¾ì¹ç¡¢ ¤½¤ì¤é¤ÎÃÍ¤ò supersede Ê¸¤ÇÄêµÁ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£

prepend Ê¸

prepend [ option declaration ] ;

¤¢¤ë¥ª¥×¥·¥ç¥ó¤Î½¸¹ç¤Ë¤Ä¤¤¤Æ¡¢¤Þ¤º¥æ¡¼¥¶¤¬Äó¶¡¤¹¤ëÃÍ¤ò»È¤¤¡¢ ¤½¤Î¼¡¤Ë¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤¿ÃÍ¤¬¤¢¤ì¤Ð¤½¤ì¤ò»È¤¦¾ì¹ç¡¢ ¤½¤ì¤é¤ÎÃÍ¤ò prepend Ê¸¤ÇÄêµÁ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ prepend Ê¸¤ÏÊ£¿ô¤ÎÃÍ¤ò¼è¤ë¤³¤È¤Î¤Ç¤¤ë¥ª¥×¥·¥ç¥ó¤Ë¤Î¤ßÍÑ¤¤¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ ¤³¤ÎÀ©Ìó¤Ï¶¯À©¤µ¤ì¤ë¤â¤Î¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢ ¤³¤ì¤òÌµ»ë¤·¤¿¾ì¹ç¡¢¤É¤Î¤è¤¦¤ÊµóÆ°¤Ë¤Ê¤ë¤«¤ÏÍ½ÁÛ¤Ç¤¤Þ¤»¤ó¡£

append Ê¸

append [ option declaration ] ;

¤¢¤ë¥ª¥×¥·¥ç¥ó¤Î½¸¹ç¤Ë¤Ä¤¤¤Æ¡¢¤Þ¤º¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤¿ÃÍ¤ò»È¤¤¡¢ ¤½¤Î¼¡¤Ë¥æ¡¼¥¶¤¬Äó¶¡¤¹¤ëÃÍ¤¬¤¢¤ì¤Ð¤½¤ì¤â»È¤¦¾ì¹ç¡¢ ¤½¤ì¤é¤ÎÃÍ¤ò append Ê¸¤ÇÄêµÁ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ append Ê¸¤ÏÊ£¿ô¤ÎÃÍ¤ò¼è¤ë¤³¤È¤Î¤Ç¤¤ë¥ª¥×¥·¥ç¥ó¤Ë¤Î¤ßÍÑ¤¤¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ ¤³¤ÎÀ©Ìó¤Ï¶¯À©¤µ¤ì¤ë¤â¤Î¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢ ¤â¤·°ãÈ¿¤¹¤ë¤ÈÍ½´ü¤Ç¤¤Ê¤¤·ë²Ì¤È¤Ê¤ê¤Þ¤¹¡£

¥ê¡¼¥¹Àë¸À

lease Àë¸À

lease { lease-declaration [ ... lease-declaration ] }

¤¢¤ë»þ´Ö (¥×¥í¥È¥³¥ë¤Î¥¿¥¤¥ß¥ó¥° »²¾È) ¤Î¸å¡¢DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ï ¥µ¡¼¥Ð¤Ø¤Î¥¢¥¯¥»¥¹¤ËÀ®¸ù¤·¤½¤¦¤Ë¤Ê¤¤¤ÈÈ½ÃÇ¤¹¤ë¾ì¹ç¤¬¤¢¤ê¤Þ¤¹¡£ ¤½¤Î»þÅÀ¤Ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ï¼«Ê¬¤¬»ý¤Ã¤Æ¤¤¤ë¡¢¸Å¤¤¥ê¡¼¥¹¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò ¸«¤Æ¡¢»þ´ÖÀÚ¤ì¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¥ê¡¼¥¹¤ò½ç¤ËÄ´¤Ù¡¢¤½¤³¤Ëµó¤¬¤Ã¤Æ¤¤¤ë ¥ë¡¼¥¿¤Ë ping ¤ò¹Ô¤Ã¤Æ¡¢¤½¤ì¤¬ÍøÍÑ²ÄÇ½¤Ê¥ê¡¼¥¹¤«¤É¤¦¤«¤òÄ´¤Ù¤Þ¤¹¡£ DHCP ¥µ¡¼¥Ó¥¹¤ä BOOTP ¥µ¡¼¥Ó¥¹¤¬Â¸ºß¤·¤Ê¤¤¥Í¥Ã¥È¥ï¡¼¥¯¤Î¤¿¤á¤Ë¡¢ 1 ¤Ä°Ê¾å¤Î ¸ÇÄê ¥ê¡¼¥¹¤ò¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥Õ¥¡¥¤¥ë¤ËÄêµÁ¤·¤Æ¤ª¤¤¤Æ¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤¬¥¢¥É¥ì¥¹¤ò¼«Æ°Åª¤ËÀßÄê¤Ç¤¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£ ¤³¤ì¤Ï lease Ê¸¤Ç¹Ô¤¤¤Þ¤¹¡£

Ãí°Õ: lease Ê¸¤Ï¡¢DHCP ¥µ¡¼¥Ð¤«¤é¼õ¤±¼è¤Ã¤¿¥ê¡¼¥¹¤òµÏ¿¤¹¤ë¤¿¤á¤Ë¡¢ dhclient.leases ¥Õ¥¡¥¤¥ë¤Ç¤â»È¤ï¤ì¤Þ¤¹¡£ °Ê²¼¤ËÀâÌÀ¤¹¤ë¥ê¡¼¥¹ÍÑ¤Î¥·¥ó¥¿¥Ã¥¯¥¹¤Ë¤Ï dhclient.leases ¥Õ¥¡¥¤¥ë¤Ç¤Î¤ßÉ¬Í×¤Ê¤â¤Î¤â¤¢¤ê¤Þ¤¹¡£ ÀâÌÀ¤ò´°Á´¤Ê¤â¤Î¤Ë¤¹¤ë¤¿¤á¡¢¤½¤Î¤è¤¦¤Ê¥·¥ó¥¿¥Ã¥¯¥¹¤â¤³¤³¤Çµ½Ò¤·¤Þ¤¹¡£

lease Ê¸¤Ï¡¢¥ê¡¼¥¹¥¡¼¥ï¡¼¥É¡¢º¸Ãæ³ç¸Ì¡¢1 ¤Ä°Ê¾å¤Î¥ê¡¼¥¹Àë¸ÀÊ¸¡¢ ±¦Ãæ³ç¸Ì¤¬Â³¤¤¤¿¤â¤Î¤Ç¹½À®¤µ¤ì¤Þ¤¹¡£ ¥ê¡¼¥¹Àë¸À¤È¤·¤Æ¡¢¼¡¤Î¤â¤Î¤¬²ÄÇ½¤Ç¤¹:

bootp;

bootp Ê¸¤Ï¡¢¥ê¡¼¥¹¤¬ DHCP ¥×¥í¥È¥³¥ë¤Ç¤Ï¤Ê¤¯¡¢ BOOTP ¥×¥í¥È¥³¥ë¤òÍÑ¤¤¤Æ¼èÆÀ¤µ¤ì¤¿¤³¤È¤ò¼¨¤·¤Þ¤¹¡£ ¤³¤ÎÊ¸¤ò¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥Õ¥¡¥¤¥ë¤Ë»ØÄê¤¹¤ëÉ¬Í×¤ÏÁ´¤¯¤¢¤ê¤Þ¤»¤ó¡£ ¥¯¥é¥¤¥¢¥ó¥È¤Ï¤³¤Î¹½Ê¸¤ò¥ê¡¼¥¹¥Ç¡¼¥¿¥Ù¡¼¥¹¥Õ¥¡¥¤¥ëÆâ¤Ç»È¤¤¤Þ¤¹¡£

interface "string";

interface ¥ê¡¼¥¹Ê¸¤Ï¡¢¤½¤Î¥ê¡¼¥¹¤òÍ¸ú¤È¤¹¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¼¨¤·¤Þ¤¹¡£ ¤³¤ì¤¬ÀßÄê¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢¤³¤Î¥ê¡¼¥¹¤Ï¡¢»ØÄê¤µ¤ì¤¿¥¤¥ó¥¿¥Õ¥§¡¼¥¹ ¾å¤Ç¤Î¤ß»ÈÍÑ¤µ¤ì¤Þ¤¹¡£ ¥µ¡¼¥Ð¤«¤é¥ê¡¼¥¹¤ò¼õ¤±¼è¤Ã¤¿¤È¤¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤Ï¾ï¤Ë¤½¤Î¥ê¡¼¥¹¤ò¼õ¤±¼è¤Ã¤¿¥¤¥ó¥¿¥Õ¥§¡¼¥¹ÈÖ¹æ¤òµÏ¿¤·¤Þ¤¹¡£ dhclient.conf ¥Õ¥¡¥¤¥ë¤Ç»öÁ°¤Ë¥ê¡¼¥¹¤òÄêµÁ¤·¤Æ¤¤¤ë¾ì¹ç¡¢Í×µá¤µ¤ì¤Æ¤Ê¤¤ ¤Î¤Ç¤¹¤¬¡¢¤½¤Î¥ê¡¼¥¹¤Ç¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤â¤¢¤ï¤»¤Æ»ØÄê¤·¤Ê¤±¤ì¤Ð ¤Ê¤ê¤Þ¤»¤ó¡£

fixed-address ip-address;

fixed-address Ê¸¤ÏÆÃÄê¤Î¥ê¡¼¥¹¤Î IP ¥¢¥É¥ì¥¹¤ò»ØÄê¤¹¤ëºÝ¤Ë»È¤¤¤Þ¤¹¡£ ¤³¤ì¤Ï¤¹¤Ù¤Æ¤Î lease Ê¸¤ËÉ¬Í×¤Ç¤¹¡£ IP ¥¢¥É¥ì¥¹¤Ï (12.34.56.78 ¤Î¤è¤¦¤Ë) ¥É¥Ã¥ÈÉÕ¤ 4 ¤ÄÁÈ·Á¼°¤Ç »ØÄê¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

filename "string";

filename Ê¸¤Ï»ÈÍÑ¤¹¤ë¥Ö¡¼¥È¥Õ¥¡¥¤¥ëÌ¾¤ò»ØÄê¤·¤Þ¤¹¡£ ¤³¤ì¤ÏÉ¸½àÅª¤Ê¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥¹¥¯¥ê¥×¥È¤Ç¤Ï»È¤ï¤ì¤Þ¤»¤ó¤¬¡¢ ÀâÌÀ¤Î´°Á´¤ò´ü¤¹¤¿¤á¤Ë¤³¤³¤Ë´Þ¤á¤Æ¤¢¤ê¤Þ¤¹¡£

server-name "string";

server-name Ê¸¤Ï»ÈÍÑ¤¹¤ë¥Ö¡¼¥È¥µ¡¼¥ÐÌ¾¤ò»ØÄê¤·¤Þ¤¹¡£ ¤³¤ì¤âÉ¸½àÅª¤Ê¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥¹¥¯¥ê¥×¥È¤Ç¤Ï»È¤ï¤ì¤Þ¤»¤ó¡£

option option-declaration;

option Ê¸¤Ï¡¢¥µ¡¼¥Ð¤«¤éÄó¶¡¤µ¤ì¤ë¥ª¥×¥·¥ç¥ó¤ÎÃÍ¤ò»ØÄê¤¹¤ë¤Î¤Ë»È¤¤¤Þ¤¹¡£ ¤¢¤ë¤¤¤Ï¡¢dhclient.conf ¤Ç»öÁ°ÄêµÁ¥ê¡¼¥¹¤¬Àë¸À¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ë¤Ï¡¢ ¤½¤Î»öÁ°ÄêµÁ¥ê¡¼¥¹¤¬»È¤ï¤ì¤ëºÝ¤Ë¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥¹¥¯¥ê¥×¥È¤Ç»ÈÍÑ¤·¤Æ Íß¤·¤¤ÃÍ¤ò»ØÄê¤·¤Þ¤¹¡£

script "script-name";

script Ê¸¤Ï dhcp ¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥¹¥¯¥ê¥×¥È¤Î¥Ñ¥¹Ì¾¤ò»ØÄê¤¹¤ë¤Î¤Ë»È¤¤¤Þ¤¹¡£ ¤³¤Î¥¹¥¯¥ê¥×¥È¤Ï¡¢¥¢¥É¥ì¥¹¤òÍ×µá¤·¤¿¤ê¡¢°ÊÁ°¤ËÄó¶¡¤µ¤ì¤¿¥¢¥É¥ì¥¹¤ò »î¤·¤¿¤ê¡¢ ¥ê¡¼¥¹¤ò¼èÆÀ¤·¤Æ¤«¤é¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ÎºÇ½ªÀßÄê¤ò¹Ô¤Ã¤¿¤ê¤¹¤ëÁ°¤Ë¡¢ dhcp ¥¯¥é¥¤¥¢¥ó¥È¤¬³Æ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Î½é´üÀßÄê¤ò¹Ô¤¦¤Î¤Ë»È¤¤¤Þ¤¹¡£ ¥ê¡¼¥¹¤¬¼èÆÀ¤Ç¤¤Ê¤«¤Ã¤¿¾ì¹ç¤Ë¤Ï¡¢ »öÁ°ÄêµÁ¥ê¡¼¥¹¤¬Â¸ºß¤¹¤ë¾ì¹ç¡¢¤½¤ì¤é¤ò»î¤¹¤¿¤á¤Ë¤³¤Î¥¹¥¯¥ê¥×¥È¤¬»È¤ï¤ì¤Þ¤¹¡£ ¤Þ¤¿¡¢Í¸ú¤Ê¥ê¡¼¥¹¤¬¤Ò¤È¤Ä¤âÆÀ¤é¤ì¤Ê¤«¤Ã¤¿¾ì¹ç¤Ç¤â¡¢¤³¤Î¥¹¥¯¥ê¥×¥È¤Ï¡¢ 1 ²ó¤Ï¸Æ¤Ó½Ð¤µ¤ì¤Þ¤¹¡£ ¤è¤ê¾Ü¤·¤¯¤Ï¡¢ dhclient-script(8) ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

vendor option space "name";

vendor option space Ê¸¤Ï¡¢vendor-encapsulate-options ¥ª¥×¥·¥ç¥ó¤ò¼õ¿®¤·¤¿¾ì¹ç¡¢ Éü¹æ²½¤Ë¤É¤Î¥ª¥×¥·¥ç¥ó¶õ´Ö¤ò»ÈÍÑ¤¹¤ë¤Ù¤¤«¤ò»ØÄê¤¹¤ë¤¿¤á¤Ë»ÈÍÑ¤µ¤ì¤Þ¤¹¡£ ¥µ¡¼¥Ð¤«¤é¤Î¥Ù¥ó¥À¥ª¥×¥·¥ç¥ó¤ÎÆÃÄê¤Î¥¯¥é¥¹¤òÍ×µá¤¹¤ë¤¿¤á¤Ë¡¢ dhcp-vendor-identifier ¤ò»ÈÍÑ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ ¾ÜºÙ¤Ï dhcp-options(5) ¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£

medium "media setup";

medium Ê¸¤Ï¡¢ÀÜÂ³¤µ¤ì¤Æ¤¤¤ë¥Í¥Ã¥È¥ï¡¼¥¯¤Î¥¿¥¤¥×¤ò¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤¬ ¼«Æ°Åª¤ËÈ½ÃÇ¤Ç¤¤Ê¤¤¤è¤¦¤Ê¥·¥¹¥Æ¥à¤Ç»È¤¦¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ Ê¸»úÎó media setup ¤Ï¥·¥¹¥Æ¥à°ÍÂ¸¤Î¥Ñ¥é¥á¡¼¥¿¤Ç¡¢ ¥¤¥ó¥¿¥Õ¥§¡¼¥¹½é´ü²½¤ÎºÝ¤Ë dhcp ¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥¹¥¯¥ê¥×¥È¤ËÅÏ¤µ¤ì¤Þ¤¹¡£ Unix ¤ª¤è¤Ó Unix É÷¤Î¥·¥¹¥Æ¥à¤Ç¤Ï¡¢ ¤³¤Î°ú¿ô¤Ï¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÀßÄê¤¹¤ë¤È¤¤Ë ifconfig ¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ë ÅÏ¤µ¤ì¤Þ¤¹¡£

¥ê¡¼¥¹¤òÆÀ¤ë¤¿¤á¤Ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÀßÄê¤¹¤ë ºÝ¤Ë¡¢dhcp ¥¯¥é¥¤¥¢¥ó¥È¤¬¥á¥Ç¥£¥¢¥¿¥¤¥× ( media Ê¸¤ò»²¾È) ¤ò»ÈÍÑ¤¹¤ë¾ì¹ç¡¢dhcp ¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢¤³¤Î¥Ñ¥é¥á¡¼¥¿¤ò ¼«Æ°Åª¤ËÀë¸À¤·¤Þ¤¹¡£¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤¬¥á¥Ç¥£¥¢¥¿¥¤¥×¤Î ÀßÄê¤òÉ¬Í×¤È¤¹¤ë¾ì¹ç¤Ï (¤¹¤ë¾ì¹ç¤Ë¸Â¤ê)¡¢¤³¤ÎÊ¸¤ò»öÁ°ÄêµÁ¥ê¡¼¥¹¤Ç »ÈÍÑ¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£

renew date;

rebind date;

expire date;

renew Ê¸¤Ï¡¢¸½ºß»ÈÍÑÃæ¤Î¥ê¡¼¥¹¤ò¹¹¿· (renew) ¤¹¤ë¤¿¤á¤Ë¡¢ dhcp ¥¯¥é¥¤¥¢¥ó¥È¤¬»ÈÍÑÃæ¤Î¥ê¡¼¥¹¤òÄó¶¡¤·¤Æ¤¯¤ì¤¿¥µ¡¼¥Ð¤Ø¤Î¥¢¥¯¥»¥¹¤Î »î¤ß¤ò³«»Ï¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤Æü»þ¤òÄêµÁ¤·¤Þ¤¹¡£rebind Ê¸¤Ï¡¢ ¥ê¡¼¥¹¤ò¹¹¿·¤¹¤ë¤¿¤á¤Ë¡¢dhcp ¥¯¥é¥¤¥¢¥ó¥È¤¬ ¤¤¤º¤ì¤«¤Î dhcp ¥µ¡¼¥Ð¤Ø¤Î¥¢¥¯¥»¥¹¤Î»î¤ß¤ò³«»Ï¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤Æü»þ¤òÄêµÁ¤·¤Þ¤¹¡£ expire Ê¸¤Ï¡¢¥ê¡¼¥¹¤Î¹¹¿·¤Î¤¿¤á¤Ë¥µ¡¼¥Ð¤Ë¥¢¥¯¥»¥¹¤Ç¤¤Ê¤«¤Ã¤¿¾ì¹ç¡¢ dhcp ¥¯¥é¥¤¥¢¥ó¥È¤¬¤½¤Î¥ê¡¼¥¹¤Î»ÈÍÑ¤òÄä»ß¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤Æü»þ¤ò ÄêµÁ¤·¤Þ¤¹¡£

¤³¤ì¤é¤ÎÀë¸À¤Ï¡¢DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬ÆÀ¤¿¥ê¡¼¥¹Ãæ¤Ç¤Ï¼«Æ°Åª¤ËÀßÄê¤µ¤ì¤Þ¤¹¡£ »öÁ°ÄêµÁ¥ê¡¼¥¹¤Î¤¦¤Á¡¢DHCP ¥¯¥é¥¤¥¢¥ó¥È¤ËÍ¸ú´ü¸Â¤¬²á¤®¤¿¤â¤Î¤ò»ÈÍÑ¤·¤Æ Íß¤·¤¯¤Ê¤¤¤â¤Î¤ÎÃæ¤Ç¤Ï¡¢¤³¤ì¤é¤ÎÀë¸À¤òÀßÄê¤·¤Æ¤ª¤¯É¬Í×¤¬¤¢¤ê¤Þ¤¹¡£

date ¤Ï°Ê²¼¤Î¤è¤¦¤Ë»ØÄê¤·¤Þ¤¹¡£

<weekday> <year>/<month>/<day> <hour>:<minute>:<second>

weekday ¤Ï¡¢¿Í´Ö¤¬¸«¤Æ¥ê¡¼¥¹´ü¸Â¤ò¤ï¤«¤ê¤ä¤¹¤¯¤¹¤ë¤¿¤á¤ËÂ¸ºß¤·¤Þ¤¹¡£ ¤³¤ì¤Ï¡¢0 ¤«¤é 6 ¤Þ¤Ç¤Î¿ô»ú¤Ç»ØÄê¤·¤Þ¤¹¡£0 ¤ÏÆüÍËÆü¤Ç¤¹¡£year ¤ÏÀ¤µª ¹þ¤ß¤Ç»ØÄê¤·¤Þ¤¹¡£¤Ç¤¹¤«¤é¡¢ËÜÅö¤ËÄ¹¤¤¥ê¡¼¥¹¤òÊÌ¤Ë¤¹¤ë¤È¡¢É¬¤º 4 ·å¤Ë ¤Ê¤ë¤Ï¤º¤Ç¤¹¡£month ¤Ï 1 (1 ·î¤òÉ½¤·¤Þ¤¹) ¤«¤é»Ï¤Þ¤ë¿ô»ú¤Ç»ØÄê¤·¤Þ¤¹¡£ day ¤ÏÆ±ÍÍ¤Ë 1 ¤«¤é»Ï¤Þ¤ë (·î¤Ë¤ª¤±¤ë) Æü¤È¤·¤Æ»ØÄê¤·¤Þ¤¹¡£hour ¤Ï¡¢ 0 ¤«¤é 23 ¤Î´Ö¤Î¿ô»ú¤Ç¤¹¡£minute ¤È second ¤Ï¤È¤â¤Ë 0 ¤«¤é 59 ¤Î´Ö¤Î ¿ô»ú¤ò»ØÄê¤·¤Þ¤¹¡£

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alias { declarations ... }

DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬ TCP/IP ¥í¡¼¥ß¥ó¥° (roaming) ¥×¥í¥È¥³¥ë¤ò¼Â¹Ô¤·¤Æ ¤¤¤ë¾ì¹ç¡¢DHCP ¤òÍÑ¤¤¤ÆÆÀ¤é¤ì¤ë¥ê¡¼¥¹¤À¤±¤Ç¤Ê¤¯¡¢»öÁ°¤ËÄêµÁ¤µ¤ì¤¿ IP ¥¨¥¤¥ê¥¢¥¹¤â¡¢¼«Ê¬¤¬»ÈÍÑ¤¹¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ËÀßÄê¤¹¤ëÉ¬Í×¤¬¤¢¤ë ¾ì¹ç¤¬¤¢¤ê¤Þ¤¹¡£Internet Software Consortium ÈÇ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢ ¸ÇÄê¥¢¥É¥ì¥¹Ä¾ÀÜ»ØÄê¤Î¥í¡¼¥ß¥ó¥°¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤»¤ó¤¬¡¢¤½¤Î¼ï¤Î¼Â¸³ ¤¬¤Ç¤¤ë¤è¤¦¤Ë¡¢¤³¤Î dhcp ¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢ alias Àë¸À¤ò»È¤Ã¤Æ IP ¥¨¥¤¥ê¥¢¥¹¤òÀßÄê¤¹¤ë½àÈ÷¤Ï¤Ç¤¤Æ¤¤¤Þ¤¹¡£

alias Àë¸À¤Ï lease Àë¸À¤Ë»÷¤Æ¤¤¤Þ¤¹¡£Ã¢¤·¡¢É¸½à¤Î ¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥¹¥¯¥ê¥×¥È¤Ç¤Ï¡¢subnet-mask ¥ª¥×¥·¥ç¥ó°Ê³°¤Î ¥ª¥×¥·¥ç¥ó¤È¡¢³Æ¼ïÍ¸ú´ü¸Â (expiry times) ¤¬Ìµ»ë¤µ¤ì¤ëÅÀ¤¬°Û¤Ê¤ê¤Þ¤¹¡£ ÉáÄÌ¤Î alias Àë¸À¤Ç¤Ï¡¢ interface Àë¸À¡¢IP ¥¨¥¤¥ê¥¢¥¹¤Î¤¿¤á¤Î ¸ÇÄê¥¢¥É¥ì¥¹Àë¸À¡¢subnet-mask ¥ª¥×¥·¥ç¥ó¤ò´Þ¤ß¤Þ¤¹¡£alias Àë¸À¤Ë¤Ï medium Ê¸¤Ï·è¤·¤Æ´Þ¤Þ¤ì¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£

¤½¤ÎÂ¾¤ÎÀë¸À

reject ip-address;

reject Ê¸¤Ë¤è¤ê¡¢DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ï»ØÄê¤·¤¿¥¢¥É¥ì¥¹¤ò¥µ¡¼¥Ð¼±ÊÌ»Ò¤È¤·¤Æ»ÈÍÑ¤¹¤ë ¥µ¡¼¥Ð¤«¤é¤ÎÄó¶¡¿½¤·½Ð¤òµñÈÝ¤¹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£É¸½à¤Ë½àµò¤·¤Ê¤¤ dhcp ¥µ¡¼¥Ð¤äÀßÄê¤ò´Ö°ã¤¨¤Æ¤¤¤ë dhcp ¥µ¡¼¥Ð¤Ë¤è¤Ã¤Æ¥¯¥é¥¤¥¢¥ó¥È¤¬ÀßÄê¤µ¤ì¤Ê¤¤ ¤è¤¦¤Ë¤¹¤ë¤¿¤á¤Ë¡¢¤³¤ÎÊ¸¤ò»ÈÍÑ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤³¤ì¤Ï ºÇ¸å¤ÎÉð´ï¤È¤¹¤ë¤Ù¤¤Ç¤¹¡£¤³¤ì¤ËÀèÎ©¤Á¡¢Éå¤Ã¤¿ DHCP ¥µ¡¼¥Ð¤òÄÉ¤¤¤«¤±¤Æ ¤½¤ì¤òÄ¾¤¹Êý¤¬¤è¤¤¤Ç¤¹¡£

interface "name" { declarations ... }

Ê£¿ô¤Î¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò»ý¤Ä¥¯¥é¥¤¥¢¥ó¥È¤Î¾ì¹ç¡¢DHCP ¤Ç ÀßÄê¤µ¤ì¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë¤è¤Ã¤Æ°Û¤Ê¤ëÆ°ºî¤ò¤µ¤»¤ëÉ¬Í×¤¬¤¢¤ë¾ì¹ç¤¬ ¤¢¤ê¤Þ¤¹¡£lease Àë¸À¤È alias Àë¸À¤ò½ü¤¯¤¹¤Ù¤Æ¤Î¥¿¥¤¥ß¥ó¥°¥Ñ¥é¥á¡¼¥¿ ¤ÈÀë¸À¤ò¡¢interface Àë¸À¤Ç°Ï¤à¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤½¤Î¾ì¹ç¡¢°Ï¤Þ¤ì¤¿ ¥Ñ¥é¥á¡¼¥¿¤Ï»ØÄê¤·¤¿Ì¾Á°¤Ë¹çÃ×¤¹¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë¤Î¤ßÅ¬ÍÑ¤µ¤ì¤Þ¤¹¡£ interface Àë¸À¤ò»ý¤¿¤Ê¤¤¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ï¡¢¤¹¤Ù¤Æ¤Î interface Àë¸À¤Î ³°Â¦¤ÇÀë¸À¤µ¤ì¤¿¥Ñ¥é¥á¡¼¥¿¡¢¤â¤·¤¯¤Ï¥Ç¥Õ¥©¥ë¥È¤ÎÀßÄê¤¬Å¬ÍÑ¤µ¤ì¤Þ¤¹¡£

pseudo "name" "real-name" { declarations ... }

¾õ¶·¤Ë¤è¤Ã¤Æ¤Ï²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÀë¸À¤·¡¢ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬¤³¤Î¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Î¤¿¤á¤ÎÀßÄê¤ò¼èÆÀ¤¹¤ë¤è¤¦¤Ë¤¹¤ë¤È ÊØÍø¤Ë¤Ê¤êÆÀ¤Þ¤¹¡£ ÄÌ¾ï DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë³Æ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ï¡¢ ¤½¤Î¥ê¡¼¥¹¤ò³ÍÆÀ¤·´ÉÍý¤¹¤ë¤¿¤á¤Ë¡¢ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Î¾õÂÖµ¡³£¤ò¼Â¹Ô¤·¤Æ¤¤¤Þ¤¹¡£ ²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ï¡¢real-name ¤ÈÌ¾ÉÕ¤±¤é¤ì¤¿¥¤¥ó¥¿¥Õ¥§¡¼¥¹¾å¤Ç ²ÔÆ¯¤·¤Æ¤¤¤ë¡¢¤Þ¤µ¤·¤¯¤â¤¦°ì¤Ä¤Î¾õÂÖµ¡³£¤Ç¤¹¡£ ¤³¤Îµ¡Ç½¤ò»ÈÍÑ¤¹¤ë¾ì¹ç¡¢ ²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤È¼ÂºÝ¤Î¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ÎÎ¾Êý¤ËÂÐ¤·¤Æ ¥¯¥é¥¤¥¢¥ó¥È¼±ÊÌ»Ò¤òÄó¶¡¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ ¤Þ¤¿¡¢»ÈÍÑ¤·¤¿¤¤ IP ¥¢¥É¥ì¥¹¤ËÂÐ¤¹¤ë²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹ÍÑ¤Ë Ê¬Î¥¤µ¤ì¤¿¥¯¥é¥¤¥¢¥ó¥È¥¹¥¯¥ê¥×¥È¤òÄó¶¡¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ Îã¤¨¤Ð¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹:


        interface "ep0" {

                send dhcp-client-identifier "my-client-ep0";

        }

        pseudo "secondary" "ep0" {

                send dhcp-client-identifier "my-client-ep0-secondary";

                script "/etc/dhclient-secondary";

        }

²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Î¤¿¤á¤Î¥¯¥é¥¤¥¢¥ó¥È¥¹¥¯¥ê¥×¥È¤Ï ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÍ¸ú¤Ë¤·¤¿¤êÌµ¸ú¤Ë¤·¤¿¤ê¤¹¤ëÀßÄê¤ò¤¹¤ë¤Ù¤¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£ ÆÃ¤Ë¡¢¥ê¡¼¥¹¤Î³ÍÆÀ¤ä¹¹¿·¤Î¾õÂÖ¡¢¤½¤·¤Æ¥ê¡¼¥¹¤Î´ü¸ÂÀÚ¤ì¤Î¾õÂÖ¤ò ¼è¤ê°·¤¦¤¿¤á¤Ë¤Ï¡¢¤½¤Î¤³¤È¤¬É¬Í×¤Ç¤¹¡£ ¾ÜºÙ¤Ï dhclient-script(8) ¤ò»²¾È¤·¤Æ²¼¤µ¤¤¡£

media "media setup" [ , "media setup", ... ];

media Ê¸¤Ï¡¢IP ¥¢¥É¥ì¥¹¼èÆÀÃæ¤Ë»ÈÍÑ¤¬»î¤ß¤é¤ì¤ë¡¢¥á¥Ç¥£¥¢ÀßÄê¥Ñ¥é¥á¡¼¥¿¤ò 1 ¤Ä °Ê¾åÄêµÁ¤·¤Þ¤¹¡£dhcp ¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢¥ê¥¹¥ÈÃæ¤Î³Æ media setup Ê¸»úÎó¤ò ½ç¼¡»ÈÍÑ¤·¡¢¤¢¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¤½¤ì¤ÇÀßÄê¤·¡¢¥Ö¡¼¥È¤ò»î¤ß¤Þ¤¹¡£ ÂÌÌÜ¤Ê¤é¤Ð¼¡¤Î media setup Ê¸»úÎó¤ò»ÈÍÑ¤·¤Þ¤¹¡£¤³¤ÎÊ¸¤Ï¡¢ ¥á¥Ç¥£¥¢¥¿¥¤¥×¤ò¸¡½Ð¤¹¤ëÇ½ÎÏ¤ò»ý¤¿¤Ê¤¤¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë ÂÐ¤·¤ÆÍøÍÑ¤Ç¤¤Þ¤¹¡£¥µ¡¼¥Ð¤Ø¤Î¥ê¥¯¥¨¥¹¥È¤¬¤Ç¤±þÅú¤¬ÆÀ¤é¤ì¤ë¤â¤Î ¤Ê¤é¤Ð¡¢¤É¤Î¤è¤¦¤Ê¥á¥Ç¥£¥¢¥¿¥¤¥×¤Ç¤â¤¿¤Ö¤óÀµÅö¤Ç¤¹ (ÊÝ¾Ú¤Ï¤·¤Þ¤»¤ó¤¬)¡£

media setup ¤Ï¥¢¥É¥ì¥¹¼èÆÀ¤Î½é´ü¥Õ¥§¡¼¥º (DHCPDISCOVER ¥Ñ¥±¥Ã¥È¤È DHCPOFFER ¥Ñ¥±¥Ã¥È)¤Ç¤Î¤ß»ÈÍÑ¤µ¤ì¤Þ¤¹¡£¤Ò¤È¤¿¤Ó¥¢¥É¥ì¥¹¤¬¼èÆÀ¤µ¤ì¤ë¤È¡¢ dhcp ¥¯¥é¥¤¥¢¥ó¥È¤Ï¤½¤Î¥¢¥É¥ì¥¹¤ò¥ê¡¼¥¹¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËµÏ¿¤·¡¢ ¤½¤Î¥¢¥É¥ì¥¹¤òÆÀ¤ëºÝ¤ËÍÑ¤¤¤¿¥á¥Ç¥£¥¢¥¿¥¤¥×¤òµÏ¿¤·¤Þ¤¹¡£¥¯¥é¥¤¥¢¥ó¥È¤¬ ¥ê¡¼¥¹¤ò¹¹¿·¤·¤è¤¦¤È¤¹¤ëºÝ¤Ë¤Ï¾ï¤Ë¡¢¤½¤ì¤ÈÆ±¤¸¥á¥Ç¥£¥¢¥¿¥¤¥×¤ò»ÈÍÑ¤·¤Þ¤¹¡£ ¥ê¡¼¥¹¤ò´ü¸ÂÀÚ¤ì¤Ë¤·¤Æ¤Ï¤¸¤á¤Æ¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ï¥á¥Ç¥£¥¢¥¿¥¤¥×¤ò½ç¤Ë»î¤¹ ¾õÂÖ¤ËÌá¤ê¤Þ¤¹¡£

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°Ê²¼¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ï¡¢NetBSD 1.3 ¤ò¼Â¹Ô¤¹¤ë¤¢¤ë¥é¥Ã¥×¥È¥Ã¥×¥Þ¥·¥ó¤Ç »ÈÍÑ¤µ¤ì¤Æ¤¤¤ë¤â¤Î¤Ç¤¹¡£¤³¤Î¥Þ¥·¥ó¤Ï¡¢IP ¥¨¥¤¥ê¥¢¥¹¤È¤·¤Æ 192.5.5.213¡¢ ¥¤¥ó¥¿¥Õ¥§¡¼¥¹ ep0 (3Com 3C589C) ¤ò¤Ò¤È¤Ä»ý¤Ã¤Æ¤¤¤Þ¤¹¡£¤³¤Î¥¯¥é¥¤¥¢¥ó¥È ¤Ï¡¢DHCP ³èÆ°¤¬¤Û¤È¤ó¤É¤Ê¤¤¥Í¥Ã¥È¥ï¡¼¥¯¤Ç»þ´Ö¤ÎÂçÉôÊ¬¤ò¾ÃÈñ¤¹¤ë¤³¤È¤¬ ¤ï¤«¤Ã¤Æ¤¤¤ë¤Î¤Ç¡¢¥Ö¡¼¥È´Ö³Ö¤Ï¥Ç¥Õ¥©¥ë¥ÈÃÍ¤«¤é¤¤¤¯¤Ö¤ó¾®¤µ¤¯¤·¤Æ ¤¢¤ê¤Þ¤¹¡£¤³¤Î¥Þ¥·¥ó¤ÏÊ£¿ô¥Í¥Ã¥È¥ï¡¼¥¯´Ö¤Ç¥í¡¼¥ß¥ó¥° (°ÜÆ°) ¤·¤Þ¤¹¡£




timeout 60;

retry 60;

reboot 10;

select-timeout 5;

initial-interval 2;

reject 192.33.137.209;



interface "ep0" {

    send host-name "andare.fugue.com";

    send dhcp-client-identifier 1:0:a0:24:ab:fb:9c;

    send dhcp-lease-time 3600;

    supersede domain-name "fugue.com rc.vix.com home.vix.com";

    prepend domain-name-servers 127.0.0.1;

    request subnet-mask, broadcast-address, time-offset, routers,

            domain-name, domain-name-servers, host-name;

    require subnet-mask, domain-name-servers;

    script "CLIENTBINDIR/dhclient-script";

    media "media 10baseT/UTP", "media 10base2/BNC";

}



alias {

  interface "ep0";

  fixed-address 192.5.5.213;

  option subnet-mask 255.255.255.255;

}

¤³¤ì¤Ï dhclient.conf ¥Õ¥¡¥¤¥ë¤È¤·¤Æ¤ÏÈó¾ï¤ËÊ£»¨¤Ê¤â¤Î¤Ç¤¹¡£°ìÈÌ¤Ë¡¢ ³§¤µ¤ó¤¬»ÈÍÑ¤¹¤ë¤â¤Î¤Ï¤Ï¤ë¤«¤Ë´ÊÃ±¤Ê¤Ï¤º¤Ç¤¹¡£Â¿¤¯¤Î¾ì¹ç¡¢dhclient.conf ¥Õ¥¡¥¤¥ë¤È¤·¤Æ¶õ¤Î¥Õ¥¡¥¤¥ë¤òÀ¸À®¤¹¤ë¤À¤±¤Ç½½Ê¬¤Ê¤Ï¤º¤Ç¤¹¡£ ¤Ä¤Þ¤ê¡¢¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ç¤è¤¤¤Î¤¬ÉáÄÌ¤Ç¤¹¡£

´ØÏ¢¹àÌÜ

dhcp-options(5), dhclient.leases(5), dhclient(8), RFC2132, RFC2131

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dhclient(8) ¤Ï Vixie Labs ¤È¤Î·ÀÌó¤Î¤â¤È¤Ç Ted Lemon ¤¬½ñ¤¤Þ¤·¤¿¡£ ËÜ¥×¥í¥¸¥§¥¯¥È¤Î´ð¶â¤Ï Internet Software Consortium ¤¬Äó¶¡¤·¤Þ¤·¤¿¡£ Internet Software Consortium ¤Ë´Ø¤¹¤ë¾ðÊó¤Ï¡¢ http://www.isc.org ¤Ë¤¢¤ê¤Þ¤¹¡£

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dhclient.conf

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Toute la documentation sur la certification Linux LPI

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dhclient.conf

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