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Virtual Box Bridge


1 VirtualBox Bridge Howto

¹öö¹Ú½ºÀÇ NAT ³×Æ®¿öÅ©´Â ¹ö±×¶§¹®¿¡ ÀÚÁÖ Á×½À´Ï´Ù.
°Ô´Ù°¡ ¼Óµµµµ ´À¸®´Ï bridge ³×Æ®¿öÅ©·Î »ç¿ëÇÏ´Â ¹æ¹ýÀ» Àû½À´Ï´Ù. - ¼ÛÈ¿Áø

2 Wired

2.1 bridge, tun

  • tun ¸ðµâÀ» ¿Ã·Á¾ß ÇÕ´Ï´Ù.
  • bridge-utils (brctl) ÀÌ ¼³Ä¡µÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù.

2.2 bridge ÀåÄ¡ ¿Ã¸®±â

  • ±âÁ¸ÀÇ eth0 ÀÇ ip ¼³Á¤À» ±â¾ïÇÕ´Ï´Ù.
  • eth0 À» 0.0.0.0 À¸·Î ¸¸µé¾î ÁÝ´Ï´Ù.
  • brctl ·Î br0 À» ¸¸µé¾î eth0 À» ºÙÀÔ´Ï´Ù.
  • br0 ÀåÄ¡¿¡ eth0 ÀÇ ¼³Á¤À» Àû¿ëÇÕ´Ï´Ù.
ifconfig eth0 0.0.0.0
brctl addbr br0
brctl addif br0 eth0
dhcpcd br0 -A

2.3 tap ÀåÄ¡ ¿Ã¸®±â

  • ¸Â´ÂÁö ¸ð¸£°Ú½À´Ï´Ù.-_-; ¾î·µç tap0 À» 0.0.0.0 À¸·Î ¿Ã¸³´Ï´Ù.
  • br0 ¿¡ tap0 À» ºÙÀÔ´Ï´Ù.
tunctl -t tap0
brctl addif br0 tap0

2.4 VirtualBox ¼³Á¤

  • ³×Æ®¿öÅ©¸¦ 'È£½ºÆ® ÀÎÅÍÆäÀ̽º' ·Î ¼³Á¤Çϰí tap0 À» Àû¾îÁÝ´Ï´Ù.

2.5 gentoo style

  • /etc/conf.d/net
config_eth0=( "null" )
bridge_add_eth0="br0"

tuntap_tap0="tap"
config_tap0=( "null" )
bridge_add_tap0="br0"

bridge_br0="eth0 tap0"
config_br0="dhcp"
dhcpcd_br0="-t 30 -A"
cd /etc/init.d
ln -s net.lo net.br0
ln -s net.lo net.tap0
rc-update add net.br0 default
rc-update add net.tap0 default
rc-update del net.eth0

3 Wireless

  • br ¿¡ ºÙÀÌÁö ¾Ê°í ±×³É tap0 À» ¸¸µç´Ù. brÀº ÇÊ¿ä ¾ø´Ù.
  • wlan0 ¿¡ dhcp ·Î ±×³É ¹Þ´Â´Ù.
  • ¹Þ¾Æ¿Â ip ´ë¿ª¿¡¼­ ¾È¾²´Â ip ¸¦ tap0 ¿¡ ÇÒ´çÇÑ´Ù.
ex)ifconfig tap0 192.168.0.253 netmask 255.255.255.0
  • iptables ·Î ¸¶½ºÄ¿·¹À̵å ÇÑ´Ù.
iptables -A POSTROUTING -o wlan0 -j MASQUERADE
  • parprouted (gentoo-kr layman), bcrelay (pptpd) ¸¦ ±¸µ¿ÇÑ´Ù.
parprouted tap0 wlan0
bcrelay -i tap0 -o wlan0 -d
  • VirtualBox ¿¡¼­ bridge ·Î ip ¸¦ Àß ¹Þ¾Æ¿Â´Ù.
  • iptables ¿¡ wlan0 »©Áö ¾Ê°í, eth0 µµ ÇÑÁÙ ±×³É ´õ ³Ö¾îÁÖ°í, parprouted, bcrelay ¸¦ eth0 À¸·Î ±¸µ¿Çصµ Àß µ¿ÀÛÇϹǷÎ, ½ºÅ©¸³Æ®·Î eth0 °ú wlan0 À» ¼±Åñ¸µ¿Çϵµ·Ï ÀÛ¼ºÇÏ¿©µµ ÁÁ´Ù.



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