Ưº°È÷ ¼³°èµÈ ³×Æ®¿÷ ÆÐŶÀ» »ç¿ëÇÏ¿© ¿ø°ÝÀÇ ÄÄÇ»Å͸¦ ±âµ¿ÇÏ´Â °ÍÀÌ´Ù. ÀÌ ±â´ÉÀº ³×Æ®¿÷ Ä«µå¿Í ¸¶´õº¸µå°¡ Wake on LanÀ» Áö¿øÇؾ߸¸ Á¦´ë·Î µ¿ÀÛÇÑ´Ù.
WOL Àº ´ÙÀ½°ú °°Àº ¿ø¸®·Î µ¿ÀÛÇÑ´Ù:
PC ¸¦ Á¾·áÇÒ ¶§ NIC (³×Æ®¿÷ Ä«µå) Àº ¿ÏÀüÈ÷ ²¨Áø °ÍÀº ¾Æ´Ñ »óÅ·Π¿©ÀüÈ÷ ÄÑÁ® ÀÖÀ¸¸ç, '¸ÅÁ÷' ÆÐŶÀÌ ¿À´ÂÁö »ìÆìº¸°í ÀÖ´Ù. ÀÌ ÆÐŶÀº ƯÁ¤ÇÑ ¹®ÀÚ¿ (byte-sequence) ÀÌ Æ÷ÇԵǾî ÀÖ¾î¾ß Çϸç, ¾Æ¹« ÇÁ·ÎÅäÄÝ (À̸¦Å׸é IPX, IP µûÀ§) ¿¡³ª ¾ñÇô¿À¸é µÈ´Ù. '¸¶¹ýÀÇ' ¹®ÀÚ¿À» ¸¸µå´Â Äڵ带 ÂüÁ¶Çϱ⠹ٶõ´Ù.
ÀÌ ÇÁ·Î±×·¥Àº UDP ¸¦ »ç¿ëÇØ¼ ÆÐŶÀ» º¸³½´Ù. ÀÌ´õ³Ý ÀÎÅÍÆäÀ̽º·Î Àü´ÞµÇ´Â UDP ÆÐŶÀÇ ¿ÏÀüÇÑ ¸ð½ÀÀº ¾Æ·¡¿Í °°Àº °ÍÀÌ´Ù:
[ethernet header][IP header][UDP header][Magic sequence][CRCS] |
½ºÅ©¸³Æ®´Â ´ÜÁö ÀÌ ÆÐŶÀ» º¸³»´Â °ÍÀ¸·Î Á·ÇÏ´Ù. NIC Àº ¼ö½Å¸¸ ÇÒ »ÓÀÌ¸ç ¹«¾ð°¡ ÀÀ´äÇÏ´Â °ÍÀÌ ¾øÀ¸¹Ç·Î, ÀÌ ÆÐŶÀ» º¸³½ ÈÄ µ¹¾Æ¿À´Â µ¥ÀÌÅÍ µî¿¡ ´ëÇØ¼´Â ½Å°æ¾²Áö ¾Ê¾Æµµ ÁÁ´Ù.
ÇÁ·ÎÅäÄÝ¿¡ ´ëÇÑ Á» ´õ »ó¼¼ÇÑ ¼³¸íÀº AMD ¹é¼¸¦ Âü°íÇ϶ó.
±×¸° PC, WOL Áö¿øÀÇ ¸¶´õº¸µå BIOS, ³×Æ®¿÷ Ä«µå, PCI 2.2 ±Ô°Ý, os Áö¿ø (windows 95 - DELL ÀÇ ¹®¼¿¡ ÀÇÇÏ¸é °¡´É -, windows 98, windows 2000)
¸¶´õº¸µå
ÃÖ±ÙÀÇ °ÅÀÇ ¸ðµç ¸¶´õº¸µå¿¡´Â PCI ½½·Ô ¿·¿¡ 3 ÇÉÀÇ WOL Ä¿³ØÅͰ¡ ÀÖÀ» °ÍÀ̰í, ¶ÇÇÑ BIOS ¿¡¼µµ WOL ·Î ±âµ¿ÇÏ´Â ±â´ÉÀÌ Æ÷ÇԵǾî ÀÖÀ»°ÍÀÌ´Ù. ¸¸¾à Award BIOS ¸¦ »ç¿ëÇÏ´Ù¸é Power Management Setup ¿¡¼ ÀÌ ¿É¼ÇÀ» ãÀ» ¼ö ÀÖ´Ù.
³×Æ®¿÷ Ä«µå
³×Æ®¿÷ Ä«µå¿¡µµ 3 ÇÉÀÇ WOL Ä¿³ØÅͰ¡ ÀÖÀ» °ÍÀÌ´Ù. ÀÌ Ä¿³ØÅͰ¡ ÀÖ´Â ³×Æ®¿÷ Ä«µå·Î´Â Intel Pro/100+ (82559 Ĩ¼Â) °¡ ÀÖ´Ù.
Wake-up ÇÁ·¹ÀÓÀº ¿ø°Ý È£½ºÆ®ÀÇ ÀÌ´õ³Ý ÁÖ¼Ò (MAC address) ¸¦ Æ÷ÇÔÇϰí Àִ Ưº°ÇÑ µ¥ÀÌÅÍ ÆÐŶÀÌ´Ù. ÀÌ ÇÁ·¹ÀÓ ³»ÀÇ ¾îµò°¡¿¡´Â µ¿±âȸ¦ À§ÇÑ 6 ¹ÙÀÌÆ®ÀÇ FFh ·Î ½ÃÀÛÇØ¼ ±× ÀÌ´õ³Ý ÁÖ¼Ò°¡ Àû¾îµµ 16 ¹ø ¹Ýº¹µÇ´Â ¹®ÀÚ¿ ('¸¶¹ýÀÇ' ¹®ÀÚ¿) ÀÌ Á¸ÀçÇØ¾ß ÇÑ´Ù.
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´ë»ó È£½ºÆ®ÀÇ ÀÌ´õ³Ý ÁÖ¼Ò°¡ 01:02:03:04:05:06 (6 ¹ÙÀÌÆ®) ¶ó¸é, ±× È£½ºÆ®ÀÇ LAN Ä«µå´Â ¾Æ·¡¿Í °°Àº
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¶ó´Â ¹®ÀÚ¿ÀÌ ÆÐŶ¿¡ µé¾îÀÖ´ÂÁö »ìÆìº¸°Ô µÈ´Ù.
ÀÌ´õ³Ý ÁÖ¼Ò´Â 6 ¿ÁÅÝ [1] (48 ºñÆ®) ¼ýÀÚÀε¥, ÀÌ´Â ¸ðµç ³×Æ®¿÷ Ä«µå (NIC) ¸¦ °íÀ¯ÇÏ°Ô ½Äº°Çϵµ·Ï ÇÑ´Ù. óÀ½ ¼¼ ¿ÁÅÝ (24 ºñÆ®) ´Â Organizationally Unique Identifier (OUI) ¶ó°í ºÒ¸®¸ç, ÀÌ´Â NIC ÀÇ Á¦Á¶»ç¸¦ ³ªÅ¸³½´Ù.
IEEE ¿¡¼´Â OUI ¸ñ·ÏÀ» ´ÙÀ½ À¥ÆäÀÌÁö¿¡ À¯ÁöÇϰí ÀÖ´Ù: IEEE OUI and Company_id Assignments.
Âü°í¼Àû:
Ethernet: the Definitive Guide |
Charles E. Spurgeon |
O'Reilly |
ȨÆäÀÌÁö: ÀúÀÚÀÇ È¨ÆäÀÌÁö.
IEEE 802.3 Carrier Sense Multiple Access with Collision Detection (CSMA/CD) |
Access Method and Physical Layer Specification |
Institute of Electrical and Electronics Engineers |
2001 ³â 3 ¿ù 14 ÀÏ ºÎÅÍ LAN/MAN (802) Ç¥ÁØÀ» IEEE À¥»çÀÌÆ® Since May 14, 2001 the IEEE Local and Metropolitan Area Network (802) standards can be downloaded from the IEEE web site (http://standards.ieee.org/getieee802/) ¿¡¼ ´Ù¿î·Îµå ÇÒ ¼ö ÀÖ´Ù.
ÀÌ´õ³Ý ÁÖ¼Ò´Â ¾î¶»°Ô ¾Ë¾Æº¸ÁÒ?
·ÎÄà NIC ÀÇ °æ¿ì:
Window 9x - "winipcfg.exe" ¸¦ ½ÇÇàÇÑ´Ù.
Windows NT ¿Í Windows 2000 - "ipconfig.exe /all" ¸¦ ½ÇÇàÇÑ´Ù.
Linux - "ifconfig" ¸¦ ½ÇÇàÇÑ´Ù.
´Ù¸¥ ¹æ¹ý:
¿ø°Ý È£½ºÆ®¿¡ ping À» º¸³½ ´ÙÀ½ arp table À» »ìÆìº»´Ù.
ºê·Îµåij½ºÆ® ÁÖ¼Ò¿¡ ping À» º¸³½ ´ÙÀ½ arp table À» »ìÆìº»´Ù.
arpwatch µ¥¸óÀÇ µ¥ÀÌÅͺ£À̽º¸¦ »ìÆìº»´Ù.
´ë¿© ip (lease) ¿Í DHCP µ¥¸óÀÇ ¼³Á¤ÆÄÀÏÀ» »ìÆìº»´Ù.
Linux:
ifconfig
ping -b -c 2 -i 15 192.168.0.255
cat /proc/net/arp
arp -a
static entries: /etc/ether
Windows NT:
ipconfig /all
netbstat -a local_ip_addr
ping
arp
Âü°í¼Àû:
Internetworking with TCP/IP |
Volume I: Principles, protocols, and architecture (third edition) |
Douglas E. Comer |
Prentice Hall |
ÀÎÅÍ³Ý ÁÖ¼Ò¿¡ ´ëÇÑ ¼³¸íÀ» ÀÌ Ã¥ÀÇ 4 Àå¿¡¼ ãÀ» ¼ö ÀÖ´Ù. (4.5, 4.6, 4.11 Àý)
[1] | ¿ªÁÖ : 1 octets = 8 bits |