1. ¤Ï¤¸¤á¤Ë

DSL(Digital Subscriber Loop) ¤Ï¹â®¤Ê¥¤¥ó¥¿¡¼¥Í¥Ã¥È¡¦¥¢¥¯¥»¥¹µ»½Ñ¤Ç¡¢°ìÈÌŪ ¤Ê¥á¥¿¥ë¤ÎÅÅÏÃÀþ(ÅÅÏòñ¼Ò¤ÎÀìÌçÍѸì¤Ç¡¢ÊÌ̾ "¤è¤êÂÐƼÀþ²óÀþ")¤ò »È¤¤¤Þ¤¹¡£DSL ¤Ï¡¢´û¸¤ÎÅÅÏòñ¼Ò¤Î¥Í¥Ã¥È¥ï¡¼¥¯¤ò»È¤Ã¤Æ¡¢ISP ¤Ë¥À¥¤¥ì¥¯¥È¤«¤Ä ÀìÍѤÇÀܳ¤Ç¤­¤Þ¤¹¡£Êƹñ¤Î 80 % ¤â¤ÎÅÅÏÃÀþ¤ÇÍøÍѤ¬¤Ç¤­¤ë¤è¤¦¤Ë À߷פ·¤Æ¤¢¤ê¤Þ¤¹¡£DSL ¤Ï¡¢²óÀþŬ±þÊÑÄ´Êý¼°¤ò»È¤¦¤³¤È¤Ë¤è¤ê¡¢ 8 Mbps ¤â¤·¤¯¤Ï ¤µ¤é¤Ë¹â®¤ÊžÁ÷®ÅÙ¤ò¼Â¸½¤Ç¤­¤Þ¤¹¡£

DSL ¥µ¡¼¥Ó¥¹¤Ï¡¢²ÈÄí¤ä¾®µ¬ÌÏ»ö¶È¸þ¤±»Ô¾ì¤ò¥¿¡¼¥²¥Ã¥È¤Ë¤·¤Æ¤¤¤Þ¤¹¡£ÉáÄÌ DSL ¤Ï ISDN ¤è¤ê°Â²Á¤Ç¡¢T1 ¤è¤ê¤«¤Ê¤êÎô¤Ã¤¿¥µ¡¼¥Ó¥¹¤òÄ󶡤·¤Þ¤¹¡£¤·¤«¤· T1 ¤Ë ¸«¤é¤ì¤ë¤è¤¦¤Ê¥³¥¹¥È¹â¤äÌÌÅݤµ¡¢ÍøÍѤ·¤Ë¤¯¤µ¤È¤¤¤Ã¤¿ÌäÂê¤òµ¤¤Ë¤»¤º¤Ë¡¢T1 ¤è¤ê¹â®¤ËÍøÍѤǤ­¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£DSL ¤Ï"¾ï»þ"ÀìÍѤÇÀܳ ¤¹¤ë¥µ¡¼¥Ó¥¹¤Ê¤Î¤Ç¡¢ISDN ¤Î¤è¤¦¤Ë²óÀþÀßÃÖ¤ÎÃÙ¤ì¤ä»È¤Ã¤¿Ê¬¤À¤±ÎÁ¶â¤¬¤«¤«¤ë ¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£¤³¤ÎÅÀ¤¬ÂÓ°èÉÔ­¤ÇǺ¤ó¤Ç¤¤¤ë¿Í¡¹¤Ë¤È¤Ã¤ÆÌ¥ÎϤ¢¤ëµ»½Ñ ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£

¤¦¤ì¤·¤¤¤³¤È¤À¤é¤±¤Î¤è¤¦¤Ë»×¤¨¤Þ¤¹¤¬¡¢DSL ¤Ë¤Ï·çÅÀ¤â¤¢¤ê¤Þ¤¹¡£DSL ¤Î ¿®¹æ¤Ä¤Þ¤êÀܳ¤Ï¡¢µ÷Î¥(¤è¤êÂÐƼÀþ"²óÀþ"¤ÎŤµ)¤ä¤½¤Î¾ÍÍ¡¹¤Ê Í×°ø¤Ë°Í¸¤·¤Æ¤¤¤Þ¤¹¡£É¸½à¤È¤Ê¤ë "DSL" ¤â¤¢¤ê¤Þ¤»¤ó¡£ÍÍ¡¹¤Ê DSL ¤¬Â¸ºß¤·¤Æ¤ª¤ê¡¢DSL ¥×¥í¥Ð¥¤¥À¤ÏËÜÅö¤ËÍÍ¡¹¤ÊÊýË¡¤Ç¥Í¥Ã¥È¥ï¡¼¥¯¤òÄó¶¡ ¤·¤Æ¤¤¤Þ¤¹¡£¸½¾õ Linux ¥æ¡¼¥¶¤Ï¡¢¼«Ê¬¤Ç²¿¤È¤«¤·¤Ê¤±¤ì¤Ð¤¤¤±¤Ê¤¤¾õ¶·¤Ë ¤¢¤ê¤Þ¤¹¡£¤È¤¤¤¦¤Î¤â DSL ¥×¥í¥Ð¥¤¥À¤Ï°Â°×¤Ë"Çä¤ì¶Ú¤Î" ¥ª¥Ú¥ì¡¼¥Æ¥£¥ó¥°¡¦¥·¥¹¥Æ¥à¤ËÂФ·¤Æ¤À¤±¡¢Âбþ¤·¤¬¤Á¤À¤«¤é¤Ç¤¹¡£

¤³¤Î HOWTO ¤Ç¿¨¤ì¤ë¥È¥Ô¥Ã¥¯¥¹¤Ï¡¢Å¬¹ç»î¸³¤äÀßÃÖ¤ËÅö¤¿¤Ã¤Æ¤Î»öÁ°ºî¶È¡¢ÀßÃÖ¡¢ ÀßÄê¡¢¥È¥é¥Ö¥ë¥·¥å¡¼¥Æ¥£¥ó¥°¡¢¤½¤·¤Æ DSL Àܳ¤ò°ÂÁ´¤Ë¹Ô¤¦¤³¤È¤Ç¤¹¡£Â¾¤Î ´ØÏ¢¤·¤¿¥È¥Ô¥Ã¥¯¤Ë¤â¿¨¤ì¤Þ¤¹¡£ÉÕÏ¿¤È¤·¤ÆÊñ³çŪ¤Ê DSL ¤Î³µÎ¬¤ÈFAQ¡¢¥ê¥ó¥¯½¸¡¢¤½¤·¤ÆÍѸì²òÀâ¤âÉÕ¤±¤Æ¤¤¤Þ¤¹¡£

ÅÅÏòñ¼Ò¤ä DSL ¥×¥í¥Ð¥¤¥À¦¤¬Â®¤¤¥Ú¡¼¥¹¤Ç°Ü¤êÊѤï¤ë¤Î¤Ç¡¢¤³¤Î¥É¥­¥å¥á¥ó¥È¤¬ ºÇ¿·ÈǤǤ¢¤ë¤³¤È¤òɬ¤º³Îǧ¤·¤Æ¤¯¤À¤µ¤¤¡£¸½ºß¡¢Àµ¼°ÈÇ¤Ï http://www.linuxdoc.org/HOWTO/DSL-HOWTO/ ¤Ë¤¢¤ê¤Þ¤¹¡£»öÁ°¸ø³«ÈÇ¤Ï http://feenix.burgiss.net/ldp/adsl/ ¤Ë¤¢¤ê¤Þ¤¹¡£

1.1. ¥É¥­¥å¥á¥ó¥È¤Î¹½À®¤ÈÆɤ߿ʤáÊý

¤³¤Î¥É¥­¥å¥á¥ó¥È¤Ç¤Ï DSL ¤Ë¤Ä¤¤¤Æ¹­ÈϰϤ˵ÄÏÀ¤¹¤ë¤Ä¤â¤ê¤Ç¤¹¡£Ê£»¨¤Ë¤«¤é¤ß ¤¢¤Ã¤¿¥Í¥Ã¥È¥ï¡¼¥¯¤ä¥Ï¡¼¥É¥¦¥§¥¢¡¢¿·¤·¤¤Î®¤ê¤Îµ»½Ñ¡¢¤½¤·¤Æ¤¤¤í¤¤¤í¤Ê ¥Ù¥ó¥À¡¼¤¬Ä󶡤¹¤ëÍÍ¡¹¤Ê¥¢¥×¥í¡¼¥Á¤ò°·¤Ã¤¿¥È¥Ô¥Ã¥¯¤ò¤¢¤é¤æ¤ë³ÑÅ٤Dzò·è¤·¤Æ ¤¤¤¯¤Ä¤â¤ê¤Ç¤¹¡£¤³¤Î¥É¥­¥å¥á¥ó¥È¤Î¹½À®¤ÎÃæ¿´¤Ï²¼µ­¤ÎÄ̤ê¤Ç¤¹¡£

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1.2. ºÇ¿·¾ðÊó

Version 1.3:ÉÕÏ¿¤Î SpeedTouch USB HOWTO ¤ò¹¹¿·¡£ PPPoE ¥»¥¯¥·¥ç¥ó¤ò²þÄû¤·¡¢Linux ¤Ë¹¥°ÕŪ¤Ê ISP ¤Ë 2 ¼ÒÄɲᣥɥ­¥å¥á¥ó¥È¤¬ Êƹñ¤òÃæ¿´¤È¤·¤¿µ­½Ò¤Ë¤Ê¤é¤Ê¤¤¤è¤¦¤Ë¡¢¤Û¤ó¤Î¾¯¤·½¤Àµ¡£¤½¤Î¾¿¾¯¤Î¹¹¿·¡£

Version 1.2 ¤Ë¤Ï PPTP ¤ÎÀßÄê¤Ë Alcatel ¤Î¥¤¡¼¥µ¥Í¥Ã¥È¡¦¥â¥Ç¥à¤òÄɲᣠ"¥Á¥å¡¼¥Ë¥ó¥°"¥»¥¯¥·¥ç¥ó¤Ë TCP Receive window ¤È ADSL ¤â¤·¤¯¤Ï DMT ¤Î¸úΨ²½ 2 ¤Ä¤òÄɲá£Alcatel ¤Î USB ¥â¥Ç¥à¤Î¥É¥é¥¤¥Ð¤¬¥ª¡¼¥×¥ó¡¦ ¥½¡¼¥¹¤Ç 2001 ǯ 5 ·î¤Ë¥ê¥ê¡¼¥¹¤µ¤ì¤¿¤È¤¤¤¦¥Ó¥Ã¥¯¥Ë¥å¡¼¥¹¤òÄɲá£Chris Jones »á¤Ë¤è¤Ã¤Æ Alcatel SpeedTouch USB mini HOWTO ¤ò ÉÕÏ¿ ¤ËÄɲᣤ¢¤Á¤³¤Á¤ò¹¹¿·¡£

Version 1.1 ¤Ç¤Ï¤¤¤¯¤Ä¤«¤ÎÄûÀµ¤È¹¹¿·¤ÈÄɲ᣿·¤·¤¤¾ðÊó¤Ï¼Â¼Á¤Ê¤·¡£¤Ä¤¤¤Ë Linux ¤ÇÍøÍѲÄǽ¤Ê Xpeed ¤Î DSL PCI ¥â¥Ç¥à¤¬Åо졣¥«¡¼¥Í¥ë 2.2.18 ¤Î¥½¡¼¥¹ ¥³¡¼¥É¤Ë¥É¥é¥¤¥Ð¤¬Æþ¤Ã¤¿¡£

Version .99 ¤Ï¤³¤Î¥É¥­¥å¥á¥ó¥È¤Î¥ª¥ê¥¸¥Ê¥ë¤Ç¤¢¤ë ADSL mini HOWTO ¤¬½Ð¤Æ¤«¤é À¸¤¸¤¿¿ô¿¤¯Êѹ¹ÅÀ¤ÎÆâ¤Î¤¤¤¯¤Ä¤«¤ËÂбþ¡£¤½¤â¤½¤â ADSL ¤ÏºÇ½é¤Ë¹­¤Þ¤Ã¤¿ DSL µ»½Ñ¤Ç¤Ï¤¢¤ë¤¬¡¢Â¾¤Î DSL¡½IDSL ¤ä SDSL¡¢G.Lite¡¢RADSL¡½¤ÎÆÃħ¤âÈ¿±Ç ¤µ¤ì¤Æ¤¤¤ë¡£¤³¤Î¤è¤¦¤Ë¤·¤Æ "ADSL mini HOWTO" ¤«¤é "DSL HOWTO" ¤Ë̾¾Î¤òÊѹ¹¤·¤¿¡£¤Þ¤¿ DSL µ»½Ñ¤Ë¤ª¤±¤ë¿ô¿¤¯¤Î¿ÊŸ¤âµ­½Ò¤·¤¿¡£ PPPoE/A ¤Ë¤è¤ë¥«¥×¥»¥ë²½¤ÏÈó¾ï¤Ë¿¤¯¤Î ISP ¤ÇºÎÍѤµ¤ì¤Æ¤­¤Æ¤ª¤ê¡¢¼çή¤Ë ¤Ê¤Ã¤Æ¤­¤Æ¤¤¤ë¡£

1.3. Copyright

DSL HOWTO for Linux (formerly the ADSL mini HOWTO)

Copyright © 1998,1999 David Fannin.

This document is free; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This document is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You can get a copy of the GNU GPL at at GNU GPL.

1.4. ¼Õ¼­

¤³¤Î HOWTO ¤ò¼êÅÁ¤Ã¤Æ¤¯¤ì¤¿Êý¤¹¤Ù¤Æ¤Ë´¶¼ÕÃפ·¤Þ¤¹¡£Ëü¤¬°ì¤Î¤¿¤á¡¢ÅŻҥ᡼¥ë ¤Î¥¢¥É¥ì¥¹¤Ï spam Èò¤±¤ò¤·¤Æ¤¢¤ê¤Þ¤¹(»ä¤Î¤â¤Î¤â¡ª)¡£Ì¾Á°¤ÎÉôʬ¤«¤é X ¤ò¼è¤Ã¤Æ ¤¯¤À¤µ¤¤¡£

1.5. disclaimer

The authors accept no liability for the contents of this document. Use the concepts, examples and other content at your own risk. As this is a new edition, there may be errors and inaccuracies. Hopefully these are few and far between. The author(s) do not accept any responsibility for incorrect or misleading information, and would certainly appreciate any corrections. Also, this type of technology dates itself very quickly. What may be true today, is not guaranteed to be true tomorrow.

All copyrights are held by their by their respective owners, unless specifically noted otherwise. Use of a term in this document should not be regarded as affecting the validity of any trademark or service mark.

References to any particular product, brand, service or company should not be construed as an endorsement or recommendation.

1.6. ¥Õ¥£¡¼¥É¥Ð¥Ã¥¯

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1.7. Ìó«»ö¤ÈÍøÍÑÊýË¡¡¢ÍѸì

¤³¤ì¤«¤é¤¹¤ëÀâÌÀ¤òÍý²ò¤·¤ä¤¹¤¤¤è¤¦¤Ë¡¢¤³¤Î¥É¥­¥å¥á¥ó¥È¤Ç»È¤Ã¤Æ¤¤¤ëÍÑ¸ì ¤Î¤¤¤¯¤Ä¤«¤òÌÀ³Î¤Ë¤·¤Æ¤ª¤­¤Þ¤·¤ç¤¦¡£¤³¤ÎÍѸì¤Ï¤¢¤Á¤³¤Á¤ËÅо줷¤Þ¤¹¤Î¤Ç¡£ ²¼µ­¤ËÅо줹¤ëÄêµÁ¤Î¤Û¤È¤ó¤É¤Ï¡¢µ»½ÑŪ¤Ë 100 % Àµ³Î¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¡£ ¤·¤«¤·¡¢¤³¤³¤Ç¤ÎÌÜŪ¤Ï½¼Ê¬¤Ë¥«¥Ð¡¼¤·¤Æ¤¤¤Þ¤¹¡£DSL ¤Î¤è¤¦¤Ë¤á¤Þ¤°¤ë¤·¤¯ ÊѲ½¤¹¤ëµ»½Ñ¤Ç¤Ï¡¢"¤â¤·¡¢¤·¤«¤·"¤È¤¤¤Ã¤¿¸ÀÍÕ¤¬ÉÑÈˤ˸½¤ì¤Þ¤¹¡£ ¤½¤ì¤Ï¤½¤Î»öÊÁ¤¬¤É¤ÎÄøÅÙÀµ³Î¤Ç¡¢¤É¤ÎÄøÅÙ¤«¤Ã¤Á¤ê¤·¤Æ¤¤¤ë¤«¤òÃÇÄê¤Ç¤­¤Ê¤¤ ¤«¤é¤Ç¤¹¡£²Ã¤¨¤ÆÎã³°¤¬¾ï¤Ë¤Ä¤­¤Þ¤È¤¤¤Þ¤¹¡£¤³¤³¤Ç¤Ï¤Ç¤­¤ë¤À¤±¹­¤¯°ìÈÌŪ¤Ë °·¤¦¤Ä¤â¤ê¤Ç¤¹¤Î¤Ç¡¢¿´¤Ëα¤á¤Æ¤ª¤¤¤Æ¤¯¤À¤µ¤¤¡£