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dhclient.conf(5) |
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dhclient.conf - DHCP ¥¯¥é¥¤¥¢¥ó¥ÈÀßÄê¥Õ¥¡¥¤¥ë
dhclient.conf ¥Õ¥¡¥¤¥ë¤Ë¤Ï Internet Systems Consortium ¤Î DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Ç¤¢¤ë dhclient ¤ÎÀßÄê¾ðÊ󤬴ޤޤì¤Þ¤¹¡£
dhclient.conf ¤Ï¼«Í³·Á¼°¤Î ASCII ¥Æ¥¥¹¥È¥Õ¥¡¥¤¥ë¤Ç¤¹¡£ ¤³¤Î¥Õ¥¡¥¤¥ë¤Ï dhclient ¤ËÁȤ߹þ¤Þ¤ì¤¿ºÆµ¢²¼¹ß¥Ñ¡¼¥¶¤Ë²òÀϤµ¤ì¤Þ¤¹¡£ ¥Õ¥¡¥¤¥ë¤Ë¤Ï¡¢À°·Á¤ÎÌÜŪ¤Ç¥¿¥Ö¤ä²þ¹Ô¤ò;ʬ¤Ë´Þ¤á¤ë¤³¤È¤â¤Ç¤- ¤Þ¤¹¡£ ¥Õ¥¡¥¤¥ëÃæ¤Î¥- ¡¼¥ï¡¼¥É¤Ç¤ÏÂçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤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¤Ïʸ»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¤ËÂФ·¤ÆÍ׵᤹¤ë¾ðÊó¡¢ ¥µ¡¼¥Ð¤ËÂФ·¤Æɬ¿Ü¤È¤µ¤ì¤ë¾ðÊó¡¢ ¥µ¡¼¥Ð¤¬¾ðÊó¤òÄ󶡤·¤Ê¤«¤Ã¤¿¾ì¹ç¤ËÍѤ¤¤ë¥Ç¥Õ¥©¥ë¥È¡¢ ¥µ¡¼¥Ð¤«¤éÄ󶡤µ¤ì¤¿¾ðÊó¤ò¾å½ñ¤¤¹¤ëÃÍ¡¢ ¥µ¡¼¥Ð¤«¤éÄ󶡤µ¤ì¤¿¾ðÊó¤ËÁ°ÃÖ¤ä¸åÃÖ¤¹¤ëÃͤʤɤ¬¤¢¤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¡£
¥¯¥é¥¤¥¢¥ó¥È¤Î¥¿¥¤¥ß¥ó¥°Æ°ºî¤Ï¡¢¥æ¡¼¥¶¤¬ÀßÄꤹ¤ëɬÍפϤ¢¤ê¤Þ¤»¤ó¡£ ¥æ¡¼¥¶¤¬¥¿¥¤¥ß¥ó¥°ÀßÄê¤ò¹Ô¤ï¤Ê¤±¤ì¤Ð¡¢ ¥µ¡¼¥Ð¤Ë̵Ãá½ø¤ËÉé²Ù¤òÍ¿¤¨¤¿¤ê¤»¤ºÅ¬»þ¹¹¿·¤ò¹Ô¤¦¤è¤¦¤Ê¡¢ ½¼Ê¬¤ËŬÀڤʥ¿¥¤¥ß¥ó¥°Æ°ºî¤¬¥Ç¥Õ¥©¥ë¥È¤ÇÍѤ¤¤é¤ì¤Þ¤¹¡£
¤·¤«¤·¡¢É¬Íפ˱þ¤¸¤Æ¡¢ ¼¡¤Îʸ¤ò»ØÄꤷ¤Æ DHCP ¥¯¥é¥¤¥¢¥ó¥È¤Î¥¿¥¤¥ß¥ó¥°Æ°ºî¤òÄ´Àá¤Ç¤¤Þ¤¹:
timeout ʸ
timeout time ;
timeout ʸ¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬¥¢¥É¥ì¥¹¤ò·è¤á¤ë»î¤ß¤ò³«»Ï¤·¤Æ¤«¤é¡¢ ¥µ¡¼¥Ð¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤³¤È¤¬ ¤Ç¤¤Ê¤¤¤ÈȽÃǤ¹¤ë¤Þ¤Ç¤Ë·Ð²á¤¹¤Ù¤- »þ´Ö¤ò·è¤á¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¤³¤Î¥¿¥¤¥à¥¢¥¦¥ÈÃÍ¤Ï 60 ÉäǤ¹¡£ ¤³¤Î¥¿¥¤¥à¥¢¥¦¥ÈÃͤ¬²á¤®¤¿¸å¤Ï¡¢ ¤â¤·ÀÅŪ¤Ê¥ê¡¼¥¹¤¬ÀßÄê¥Õ¥¡¥¤¥ë¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤«¡¢ ¥ê¡¼¥¹¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ë¤Þ¤À´ü¸ÂÀÚ¤ì¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¥ê¡¼¥¹¤¬»Ä¤Ã¤Æ¤¤¤ì¤Ð¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤Ï¤½¤ì¤é¤Î¥ê¡¼¥¹¤ò¤Ò¤È¤Ä¤º¤Ä¸¡¾Ú¤·¤Æ¤ß¤Æ¡¢ ¤¤¤º¤ì¤«¤¬Í- ¸ú¤Ê¤è¤¦¤Ç¤¢¤ì¤Ð¤½¤Î¥ê¡¼¥¹¤Î¥¢¥É¥ì¥¹¤ò»È¤¤¤Þ¤¹¡£ ¤â¤·ÀÅŪ¤Ê¥ê¡¼¥¹¤â¡¢¥ê¡¼¥¹¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Î´ü¸Â¤ÎÀÚ¤ì¤Æ¤¤¤Ê¤¤¥ê¡¼¥¹¤Ç ͸ú¤Ê¤â¤Î¤â¸ºß¤·¤Ê¤±¤ì¤Ð¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤ÏÄêµÁ¤µ¤ì¤¿ retry ´Ö³Ö¤Î¸å¤Ç¥×¥í¥È¥³¥ë¤òºÆ³«¤µ¤»¤Þ¤¹¡£
retry ʸ
retry time;
retry ʸ¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬ DHCP ¥µ¡¼¥Ð¤¬Â¸ºß¤·¤Ê¤¤¤ÈȽÃǤ·¤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 ʬ¤Ç¤¹¡£
select-timeout ʸ
select-timeout time;
¤¢¤ë¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Ç¡¢Ê£¿ô¤Î DHCP ¥µ¡¼¥Ð¤¬¥µ¡¼¥Ó¥¹¤òÄ󶡤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¥¹Ä󶡤､·½Ð¤ò¼õ¤±¤ë¤³¤È¤â¤¢¤êÆÀ¤Þ¤¹¡£ ¤½¤ì¤é¤Î¤¦¤Á¡¢¤¢¤ëÄ󶡤¬Â¾¤ÎÄ󶡤è¤ê¤â¹¥¤Þ¤·¤¤¤«¤â¤·¤ì¤Þ¤»¤ó (Î㤨¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬°ÊÁ°»ÈÍѤ·¤Æ¤¤¤¿¥¢¥É¥ì¥¹¤¬¤¢¤ëÄ󶡤˴ޤޤì¤Æ¤¤¤ë¤¬¡¢ ¾¤ÎÄ󶡤ˤϴޤޤì¤Ê¤¤¤Ê¤É)¡£
select-timeout ¤Ï¥¯¥é¥¤¥¢¥ó¥È¤¬ºÇ½é¤Î¥ê¡¼¥¹È¯¸«Í×µá ¤òÁ÷¿®¤·¤Æ¡¢ ¾¯¤Ê¤¯¤È¤â 1 ¤Ä¤ÎÄ󶡿½¤·½Ð¤ò¼õ¤±¤¿¾ì¹ç¡¢ ¥µ¡¼¥Ð¤«¤é¤ÎÄ󶡿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¤âÄ󶡿½¤·½Ð¤ò¼õ¤±¼è¤ì¤Ê¤±¤ì¤Ð¡¢ ¥¯¥é¥¤¥¢¥ó¥È¤Ï¤½¤Î¤¢¤ÈºÇ½é¤ËÅþÃ夹¤ëÄ󶡿½¤·½Ð¤ò¼õ¤±Æþ¤ì¤Þ¤¹¡£
¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢select-timeout ÃÍ¤Ï 0 ÉäǤ¹¡£ ¤Ä¤Þ¤ê¥¯¥é¥¤¥¢¥ó¥È¤ÏºÇ½é¤Ë¼õ¤±¼è¤ëÄ󶡿½¤·½Ð¤ò¼õ¤±Æþ¤ì¤Þ¤¹¡£
reboot ʸ
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) ¾õÂ֤ȸƤӤޤ¹¡£ ºÇ¸å¤ËÆ°ºî¤·¤Æ¤¤¤¿¤È¤¤ÈƱ¤¸¥Í¥Ã¥È¥ï¡¼¥¯¤Ë ¥¯¥é¥¤¥¢¥ó¥È¤¬¤Þ¤ÀÀܳ¤·¤Æ¤¤¤ì¤Ð¡¢¤³¤ì¤¬ºÇ¤âÁÇÁᤤµ¯Æ°Ë¡¤È¤Ê¤ê¤Þ¤¹¡£ reboot ʸ¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬ºÇ½é¤Ë¸Å¤¤¥¢¥É¥ì¥¹¤ÎºÆ¼èÆÀ¤ò»î¤ß¤Æ¤«¤é¡¢ ¤¢¤¤é¤á¤Æ¿·¤·¤¤¥¢¥É¥ì¥¹¤òȯ¸«¤·¤è¤¦¤È¤¹¤ë¤Þ¤Ç¤Ë¡¢ ·Ð²á¤¹¤Ù¤»þ´Ö¤òÀßÄꤷ¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢reboot ¥¿¥¤¥à¥¢¥¦¥ÈÃÍ¤Ï 10 ÉäǤ¹¡£
backoff-cutoff ʸ
backoff-cutoff time;
¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢»Ø¿ôŪ¤Ê°ì»þÂàÈò (backoff) ¥¢¥ë¥´¥ê¥º¥à¤ò¡¢¤¢¤ëÄøÅ٤ΠÍð¿ôÉÕ¤- ¤Ç»ÈÍѤ·¤Þ¤¹¡£¤³¤ì¤Ï¡¢Â¿¤¯¤Î¥¯¥é¥¤¥¢¥ó¥È¤¬Æ±»þ¤Ë¼«Ê¬¤òÀßÄꤷ¤è¤¦ ¤È¤·¤¿¤È¤- ¤Ç¤â¡¢¥ê¥¯¥¨¥¹¥È¤¬¥í¥Ã¥¯¤·¤Æ¤·¤Þ¤¦¤³¤È¤¬¤Ê¤¤¤è¤¦¤Ë¤¹¤ë¤¿¤á¤Ç¤¹¡£ backoff-cutoff ʸ¤Ï¡¢°ì»þÂàÈò¤Ëµö¤µ¤ì¤¿ºÇÂç»þ´Ö¤ò·èÄꤷ¤Þ¤¹¡£¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 2 ʬ¤Ç¤¹¡£
initial-interval ʸ
initial-interval time;
initial-interval ʸ¤Ï¡¢¥µ¡¼¥Ð¤Ø¤ÎºÇ½é¤Î¥¢¥¯¥»¥¹¤Î»î¤ß¤«¤é¼¡¤Î»î¤ß¤Þ¤Ç¤Î´Ö¤Î»þ´Ö¤ò ÀßÄꤷ¤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¿ôÃͤò¾è¤¸¤¿¤â¤Î¤Î 2 Çܤò¡¢¸½ºß¤Î´Ö³Ö¤Ë ²Ã¤¨¤¿¤â¤Î¤Ë¤Ê¤ê¤Þ¤¹¡£ ¤³¤ÎÃͤ¬ backoff-cutoff Ãͤè¤êÂç¤- ¤¯¤Ê¤ë¤È¡¢¤³¤Î»þ´Ö¤¬ÀßÄꤵ¤ì¤Þ¤¹¡£ ¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 10 ÉäǤ¹¡£
DHCP ¥×¥í¥È¥³¥ë¤Ç¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¤«¤é¥µ¡¼¥Ð¤ËÂФ·¡¢ÆÃÄê¤Î¾ðÊó¤òÁ÷¤ë¤è¤¦ Í׵ᤷ¤¿¤ê¡¢¼õ¤±Æþ¤ì½àÈ÷¤Î¤Ç¤- ¤Æ¤¤¤Ê¤¤Â¾¤Î¾ðÊó¤ÏÁ÷¤é¤Ê¤¤¤è¤¦¤ËÍ׵ᤷ¤¿¤ê ¤Ç¤- ¤Þ¤¹¡£ ¤Þ¤¿¡¢¥µ¡¼¥Ð¤«¤é¤ÎÄ󶡿½¤·½Ð¤Ë¥¯¥é¥¤¥¢¥ó¥È¤ÎɬÍפȤ¹¤ë¾ðÊ󤬴ޤޤì¤Ê¤¤ ¾ì¹ç¤ä¡¢Ä󶡤µ¤ì¤¿¾ðÊ󤬽¼Ê¬¤Ç¤Ê¤¤¾ì¹ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤¬Ä󶡿½¤·½Ð¤ò µñÈݤ¹¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¡£
DHCP
¥µ¡¼¥Ð¤¬ DHCP
¥¯¥é¥¤¥¢¥ó¥È¤ËÁ÷¤ëÄ󶡿½¤·½Ð¤Ë´Þ¤Þ¤ì¤ë¥Ç¡¼¥¿¤Ë¤Ï¡¢
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DHCP
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DHCP
¥ª¥×¥·¥ç¥ó¤Ï
dhcp-options(5)
¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
request ʸ
request [ option ] [, ... option ];
request ʸ¤ò»ØÄꤹ¤ë¤³¤È¤Ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢¥µ¡¼¥Ð¤ËÂФ·¡¢¤½¤Î ¥¯¥é¥¤¥¢¥ó¥È¤Ë±þÅú¤¹¤ë¤Ê¤é¤Ð¡¢»ØÄꤷ¤¿¥ª¥×¥·¥ç¥ó¤ÎÃͤòÁ÷¤ë¤è¤¦ Í׵᤹¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ request ʸ¤Ë¤Ï¥ª¥×¥·¥ç¥ó̾¤À¤±¤ò»ØÄꤷ¡¢¥ª¥×¥·¥ç¥ó¥Ñ¥é¥á¡¼¥¿¤Ï»ØÄꤷ¤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׵ᤷ¤Þ¤¹¡£
¾ì¹ç¤Ë¤è¤Ã¤Æ¤ÏÍ×µá¥ê¥¹¥È¤òÁ´¤¯Á÷¤é¤Ê¤¤¤³¤È¤¬Ë¾¤Þ¤·¤¤¤³¤È¤â¤¢¤ê¤Þ¤¹¡£ ¤½¤¦¤¹¤ë¤¿¤á¤Ë¤Ï¡¢Ã±½ã¤Ë¥Ñ¥é¥á¡¼¥¿¤ò»ØÄꤷ¤Ê¤¤ request ʸ¤ò½ñ¤¤¤Æ²¼¤µ¤¤:
|
request; |
require ʸ
require [ option ] [, ... option ];
require ʸ¤Ë¤Ï¡¢¤¢¤ëÄ󶡿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¤¤Ä󶡿½¤·½Ð¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£
send ʸ
send { [ option declaration ] [, ... option declaration ]}
send ʸ¤ò»ØÄꤹ¤ë¤³¤È¤Ç¡¢¥¯¥é¥¤¥¢¥ó¥È¤Ï¡¢ »ØÄꤷ¤¿¥ª¥×¥·¥ç¥ó¤ò»ØÄꤷ¤¿Ãͤǥµ¡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»ØÄꤹ¤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°¤ÎÃͤǻØÄꤹ¤ë¤³¤È¤Ï¤Ç¤- ¤Þ¤¹¡£¤³¤Îʸ¤ò»È¤¦Â¾¤Î¾ì¹ç¤È¤·¤ÆÌÀ¤é¤«¤Ê ¤â¤Î¤Ï¡¢¼«Ê¬¤ÈÊ̤μïÎà¤Î¥¯¥é¥¤¥¢¥ó¥È¤È¤ò¶èÊ̤Ǥ- ¤ë¤è¤¦¤Ê ¾ðÊó¤ò¡¢¥µ¡¼¥Ð¤ËÂФ·Á÷¿®¤¹¤ë¾ì¹ç¤Ç¤¹¡£
¸½ºß¡¢¥ê¡¼¥¹¤¬³ÍÆÀ¤µ¤ì¤¿ºÝ¤Ë DNS ¤Î¹¹¿·¤ò¹Ô¤¦¤¿¤á¤Î¡¢ Èó¾ï¤Ë¸ÂÄêŪ¤Ê¥µ¥Ý¡¼¥È¤¬¥¯¥é¥¤¥¢¥ó¥È¤Ë¤¢¤ê¤Þ¤¹¡£ ¤³¤ì¤Ï¥×¥í¥È¥¿¥¤¥×Ū¤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¤ëɬÍפ¬¤¢¤ê¤Þ¤¹ (¾ÜºÙ¤Ï dhcpd.conf(5) ¤ò»²¾È)¡£ ¤Þ¤¿¡¢¼¡¤Î¤è¤¦¤Ë¥¯¥é¥¤¥¢¥ó¥È¤Ç fqdn ¥ª¥×¥·¥ç¥ó¤òÀßÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹:
send fqdn.fqdn
"grosse.fugue.com.";
send fqdn.encoded on;
send fqdn.server-update off;
fqdn.fqdn ¥ª¥×¥·¥ç¥ó¤Ï ɬ¤º ´°Á´¤Ê¥É¥á¥¤¥ó̾¤Ç¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ ¹¹¿·¤¹¤ë¥¾¡¼¥ó¤ËÂФ¹¤ë¥¾¡¼¥óʸ¤ò ɬ¤º ÄêµÁ¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ fqdn.encoded ¥ª¥×¥·¥ç¥ó¤Ï¡¢»ÈÍѤ·¤Æ¤¤¤ë DHCP ¥µ¡¼¥Ð¤Ë¤è¤Ã¤Æ¤Ï¡¢ on ¤« off ¤ËÀßÄꤹ¤ëɬÍפ¬¤¢¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£
no-client-updates ʸ
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 (Î㤨¤Ð¡¢DHCP ¥¯¥é¥¤¥¢¥ó¥È¤¬Ä¾ÀÜ¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤ SIG(0) ǧ¾Ú¤ò»ÈÍѤ·¤¿¤¤¾ì¹ç) ¤Ë¤Ï¡¢no-client-updates ʸ¤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¤ò˾¤Þ¤Ê¤¤¾ì¹ç¤Ï flag ¤ò true ¤Ë¤·¡¢ ¹¹¿·¤¹¤ë¤³¤È¤ò˾¤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¡£
¤½¤Î¥¯¥é¥¤¥¢¥ó¥È¤Ë¤È¤Ã¤Æ¼ÂºÝ¤Ë¤ÏŬÀڤǤʤ¤ ¥ª¥×¥·¥ç¥ó¥Ç¡¼¥¿¤ò¼õ¤±¼è¤Ã¤¿¤ê¡¢É¬ÍפʾðÊó¤ò¼õ¤±¼è¤é¤Ê¤«¤Ã¤¿¤ê ¤¹¤ë¾ì¹ç¤Ç¡¢¤«¤Ä¡¢¤½¤ì¤é¤Î¾ðÊó¤ËÍøÍѲÄǽ¤Ê¥Ç¥Õ¥©¥ë¥È¤ÎÃͤ¬ ¥¯¥é¥¤¥¢¥ó¥È¦¤Ë¸ºß¤¹¤ë¾ì¹ç¤¬¤¢¤ê¤Þ¤¹¡£ ¤Þ¤¿¡¢ÍøÍѲÄǽ¤Ç¤Ï¤¢¤ë¤¬¥í¡¼¥«¥ë¤Î¾ðÊó¤ÇÊ䤦ɬÍפΤ¢¤ë¾ðÊó¤ò ¥¯¥é¥¤¥¢¥ó¥È¤¬¼õ¤±¤È¤ë¾ì¹ç¤â¤¢¤ê¤Þ¤¹¡£ ¤³¤¦¤¤¤¦¾ì¹ç¤ò°·¤¦¤¿¤á¤Ë¡¢ ¤¤¤¯¤Ä¤«¤Î¥ª¥×¥·¥ç¥ó½¤¾þ»Ò¤¬ÍøÍѤǤ¤Þ¤¹¡£
default ʸ
default [ option declaration ] ;
¤¢¤ë¥ª¥×¥·¥ç¥ó¤Ë¤Ä¤¤¤Æ¡¢ ¥µ¡¼¥Ð¤«¤éÄ󶡤µ¤ì¤ëÃͤò¥¯¥é¥¤¥¢¥ó¥È¤¬»È¤ï¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤¬¡¢ ¤â¤·¥µ¡¼¥Ð¤«¤éÃͤ¬Ä󶡤µ¤ì¤Ê¤±¤ì¤Ð ²¿¤é¤«¤Î¥Ç¥Õ¥©¥ë¥ÈÃͤò»È¤¦É¬Íפ¬¤¢¤ë¾ì¹ç¡¢ ¤½¤ì¤é¤ÎÃͤò default ʸ¤ÇÄêµÁ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£
supersede ʸ
supersede [ option declaration ] ;
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prepend ʸ
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append ʸ
append [ option declaration ] ;
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lease { lease-declaration [ ... lease-declaration ] }
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interface "string";
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fixed-address ip-address;
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vendor option space "name";
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medium "media setup";
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renew date;
rebind date;
expire date;
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alias { declarations ... }
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Ê£¿ô¤Î¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò»ý¤Ä¥¯¥é¥¤¥¢¥ó¥È¤Î¾ì¹ç¡¢DHCP ¤Ç ÀßÄꤵ¤ì¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë¤è¤Ã¤Æ°Û¤Ê¤ëÆ°ºî¤ò¤µ¤»¤ëɬÍפ¬¤¢¤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»ØÄꤷ¤¿Ì¾Á°¤Ë¹çÃפ¹¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë¤Î¤ßŬÍѤµ¤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¤ÎÀßÄ꤬ŬÍѤµ¤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¡£ Ä̾ï 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 ¤È̾ÉÕ¤±¤é¤ì¤¿¥¤¥ó¥¿¥Õ¥§¡¼¥¹¾å¤Ç ²ÔƯ¤·¤Æ¤¤¤ë¡¢¤Þ¤µ¤·¤¯¤â¤¦°ì¤Ä¤Î¾õÂÖµ¡³£¤Ç¤¹¡£ ¤³¤Îµ¡Ç½¤ò»ÈÍѤ¹¤ë¾ì¹ç¡¢ ²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤È¼ÂºÝ¤Î¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ÎξÊý¤ËÂФ·¤Æ ¥¯¥é¥¤¥¢¥ó¥È¼±Ê̻ҤòÄ󶡤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ ¤Þ¤¿¡¢»ÈÍѤ·¤¿¤¤ IP ¥¢¥É¥ì¥¹¤ËÂФ¹¤ë²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹ÍÑ¤Ë Ê¬Î¥¤µ¤ì¤¿¥¯¥é¥¤¥¢¥ó¥È¥¹¥¯¥ê¥×¥È¤òÄ󶡤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£ Î㤨¤Ð¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹:
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interface "ep0" { |
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send dhcp-client-identifier "my-client-ep0"; | |||
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} |
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pseudo "secondary" "ep0" { |
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send dhcp-client-identifier "my-client-ep0-secondary"; | |||
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script "/etc/dhclient-secondary"; | |||
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} |
²¾ÁÛ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Î¤¿¤á¤Î¥¯¥é¥¤¥¢¥ó¥È¥¹¥¯¥ê¥×¥È¤Ï ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÍ- ¸ú¤Ë¤·¤¿¤ê̵¸ú¤Ë¤·¤¿¤ê¤¹¤ëÀßÄê¤ò¤¹¤ë¤Ù¤- ¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£ Æäˡ¢¥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¬ÍפǤ¹¡£ ¾ÜºÙ¤Ï dhclient-script(8) ¤ò»²¾È¤·¤Æ²¼¤µ¤¤¡£
media "media setup" [ , "media setup", ... ];
media ʸ¤Ï¡¢IP ¥¢¥É¥ì¥¹¼èÆÀÃæ¤Ë»ÈÍѤ¬»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 ʸ»úÎó¤ò ½ç¼¡»ÈÍѤ·¡¢¤¢¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¤½¤ì¤ÇÀßÄꤷ¡¢¥Ö¡¼¥È¤ò»î¤ß¤Þ¤¹¡£ ÂÌÌܤʤé¤Ð¼¡¤Î media setup ʸ»úÎó¤ò»ÈÍѤ·¤Þ¤¹¡£¤³¤Îʸ¤Ï¡¢ ¥á¥Ç¥£¥¢¥¿¥¤¥×¤ò¸¡½Ð¤¹¤ëǽÎϤò»ý¤¿¤Ê¤¤¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë ÂФ·¤ÆÍøÍѤǤ¤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 (ÊݾڤϤ·¤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»ÈÍѤµ¤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¤Ëµ- Ï¿¤·¡¢ ¤½¤Î¥¢¥É¥ì¥¹¤òÆÀ¤ëºÝ¤ËÍѤ¤¤¿¥á¥Ç¥£¥¢¥¿¥¤¥×¤òµ- Ï¿¤·¤Þ¤¹¡£¥¯¥é¥¤¥¢¥ó¥È¤¬ ¥ê¡¼¥¹¤ò¹¹¿·¤·¤è¤¦¤È¤¹¤ëºÝ¤Ë¤Ï¾ï¤Ë¡¢¤½¤ì¤ÈƱ¤¸¥á¥Ç¥£¥¢¥¿¥¤¥×¤ò»ÈÍѤ·¤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¡£
°Ê²¼¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ï¡¢NetBSD 1.3 ¤ò¼Â¹Ô¤¹¤ë¤¢¤ë¥é¥Ã¥×¥È¥Ã¥×¥Þ¥·¥ó¤Ç »ÈÍѤµ¤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¤ÎÂçÉôʬ¤ò¾ÃÈñ¤¹¤ë¤³¤È¤¬ ¤ï¤«¤Ã¤Æ¤¤¤ë¤Î¤Ç¡¢¥Ö¡¼¥È´Ö³Ö¤Ï¥Ç¥Õ¥©¥ë¥ÈÃͤ«¤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,
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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¡£°ìÈ̤ˡ¢
³§¤µ¤ó¤¬»ÈÍѤ¹¤ë¤â¤Î¤Ï¤Ï¤ë¤«¤Ë´Êñ¤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¥ÈÃͤǤ褤¤Î¤¬ÉáÄ̤Ǥ¹¡£
dhcp-options(5), dhclient.leases(5), dhclient(8), RFC2132, RFC2131
dhclient(8) ¤Ï Vixie Labs ¤È¤Î·ÀÌó¤Î¤â¤È¤Ç Ted Lemon ¤¬½ñ¤- ¤Þ¤·¤¿¡£ ËÜ¥×¥í¥¸¥§¥¯¥È¤Î´ð¶â¤Ï Internet Systems Consortium ¤¬Ä󶡤·¤Þ¤·¤¿¡£ Internet Systems Consortium ¤Ë´Ø¤¹¤ë¾ðÊó¤Ï¡¢ https://www.isc.org ¤Ë¤¢¤ê¤Þ¤¹¡£
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dhclient.conf(5) | |