wol - Wake on LAN

[1] WOL (Wake on LAN) γ

Wake on LAN(WOL) AMD  Hewlett Packard ȯMagic Packet 
TechnologyפˤȤŤơLAN ͳǥԥ塼Ÿ뵻Ѥǡ
Ͼ֤Υԥ塼¢줿 LAN ɤѥåȤƻ뤷
ѥåΥǡʬ 6 ХȤ 0xFF ³ʬ MAC ɥ쥹 16 
η֤򸡽ФȡŸեȤΤǤ

WOL ǵư륳ԥ塼 LAN ǽŸ浡ǽϾư
ʤФʤ餺Ÿ OFF ֤Ǥϵǽʤᡢޥܡɤ LAN
ɤ WOL ͭˤʤ褦ꤷ BIOS ǡMagic Packet
Modeפͭˤɬפޤ

ϡɥ BIOS ˤ¸ˡ⤤ͤ뤿ᡢ긵ˤޥ
ƥȤ̤Ǥ⡢

  1) Ÿڤä֤ŤƤ WOL ǵưǤ(P2B-N)
  2) halt Ÿ Soft-Off Ȥ WOL ͭǡŤ̵ˤʤ
	(GA-6ZOZ)

褦Ǥ


WOL ξܺ٤ AMD Ҥ󥿥ͥåȤǸƤMagic Packet Technology, 
White PaperΥɥȤ


[2] ץλȤν

1) /etc/ethers

äơư٤ۥȤ MAC ɥ쥹dmesgפνϤȤnetstat -rn
νϤĴ١򥳥ޥɤȯԤۥȤ /etc/ethers ϿƤ
/etc/ethers  MAC ɥ쥹 FQDN ʸǶڤä쥳ɤǤǤ
ơ㤨СΤ褦˽񤭤ޤ

  0:40:8c:29:14:c5        axis.my.domain
  0:0:c:4a:bd:85          cisco.my.domain
  ..

/etc/ethers ϥץबۥ̾ MAC ɥ쥹뤿˻Ȥǡ
Ȥľ MAC ɥ쥹ꤹפǤ


2) ư٤ۥȤ

ư٤ۥȤ BIOS ȥϡɥꤷơWake on LAN׵ǽͭ
ޤ

ϡɥˤĤƤϡޥܡɤ LAN ǽ¢Ƥʤ¤ꡢ
LAN ɤȥޥܡɤ꡼³ɬפޤޥܡɤ
Ѥ WOL ͭˤʤ褦ꤷʤФʤʤȤ⤢ޤ

BIOS ⤤ǡWOL  enable ˤ塢 Power Switch ư
տޤ줿褦ꤷʤưʤޤ

LAN ɤȤƤϡFreeBSD/Linux ξ硢Intel Ether Express PRO/100+ ̵
Ǥ


[3] ץλȤ

  wol -?

¹ԤȻȤ狼ޤ㤨

  wol 0:40:8c:29:14:c5 203.24.123.255
  wol 0:40:8c:29:14:c5
  wol axis.my.domain
  wol axis

ǻꤵ줿ۥȤ MAC ɥ쥹ޤ֥ɥ㥹ȥѥåȤФ
ȤǤޤǽΰ MAC ɥ쥹Ǥʤۥ̾ꤹϡ
/etc/ethers ˤΥۥ̾ϿƤʤФʤޤ󡣤ޤۥ̾
 FQDN ǻꤵʤȤϡ/etc/ethers Ͽ줿 FQDN Ƭʬ
åǽΥ쥳ɤȤޤ

֥ɥ㥹ȥɥ쥹άϡưۥȤ IP ɥ쥹
֥ɥ㥹ȥɥ쥹ꤷޤ


[4] ץεǽ

Υץ UDP  Echo ѥåȤΥǡ˾嵭 Magic Packet Υǡ
ƥ֥ɥ㥹Ȥ褦ˤʤäƤơŪˤϵư٤ۥ
 MAC ɥ쥹(LAN ɤΥϡɥ˳Ƥ줿ɥ쥹)ȥ֥
㥹ȥɥ쥹ΣĤˤƵư٤ʤΤǤMAC ɥ쥹ε
ϺǤ顢ư٤ޥ MAC ɥ쥹Ǥʤۥ̾ꤵ줿
 /etc/ethers  MAC ɥ쥹褦ˤʤäƤޤޤ֥
ɥ㥹ȥɥ쥹ꤵʤȤϡư٤ۥȤ IP ɥ쥹
ᡢ directed-broadcast address ޤ


[5] 

Ʊ쥻ȤΥۥȤˤĤƤϲͤʤƤѤߤޤ롼ۤ
¾ΥȤ¾Υͥåȥ¸ߤۥȤˤĤƤϡ롼
directed-broadcast ̤褦ˤƤʤФʤޤ

롼 directed-broadcast ̤ʤ꤬ǥեȤˤʤäƤΤ̤ǡ
㤨СYAMAHA RTX1000 ʤ

  ip filter directed-broadcast off

ꤷƥե륿ޤȡSmurf ˤϼ夯ʤ
ޤΤդƤ


ʿ  (kh@mogami-wire.co.jp), 1999-09-21

