[Á¦¸ñ] Ethernet Channel Bonding by ifenslave -¿©·¯°³ÀÇ ÀÌ´õ³ÝÀ» Çϳª·Î ¹­¾î ³×Æ®¿öÅ© ´ë¿ªÆøÀ» ´Ã¸®´Â ¹æ¹ý - ÀÛ¼ºÀÚ : ±èÄ¥ºÀ 2001. 06. 30 : ÃÖÃÊÀÛ¼º 2001. 09. 27 : º¸¿Ï(°­¼ºÀÏ´ÔÀÇ ÁöÀû) - °ü·Ã ¹®¼­ /usr/src/linux-2.2.x/Documentation/network/bonding.txt(Ä¿³Î ¹®¼­) ¶Ç´Â /usr/share/doc/iputils-xxx/README.ifenslave(iputils-xxx ÆÐÅ°Áö) *ÁÖ) ÀÌ ¹®¼­´Â /usr/share/doc/iputils-xxx/README.ifenslave ¹®¼­¸¦ ±âÁØÀ¸·Î ÀÛ¼ºµÇ¾ú½À´Ï´Ù. * À߸øµÈ Á¡À̳ª º¸¿ÏÇÏ°íÀÚ ÇÏ´Â ³»¿ëÀÌ ÀÖÀ¸¸é ¾ðÁ¦µçÁö ȯ¿µÇÕ´Ï´Ù. ÀÌ ¹®¼­¿¡ ´ëÇÑ ÀÌÈÄ º¸¿ÏµÈ Á¡Àº ´ÙÀ½ÀÇ ÁÖ¼Ò¿¡¼­ ãÀ» ¼ö ÀÖ½À´Ï´Ù. http://www.linuxchannel.net/docs/ethernet-channel-bonding.txt -------------------------------------------------------- ¸ñÀÚ 0. °³¿ä ¹× ¹è°æ 1. Á¦¾à Á¶°Ç 2. Ä¿³Î¿¡¼­ Áö¿øÇÏ·Á¸é ? 3. ÇÊ¿äÇÑ ÆÐÅ°Áö´Â? 4. Ethernet Channel Bonding ¼³Á¤ ¹× È®ÀÎ 4-1. /etc/modules.conf (¶Ç´Â /etc/conf.modules) 4-2. /etc/sysconfig/network 4-3. /etc/sysconfig/network-scripts/ifcfg-bond0 4-4. /etc/sysconfig/network-scripts/ifcfg-eth0 4-5. /etc/sysconfig/network-scripts/ifcfg-eth1 4-6. ½Ã½ºÅÛ ÀçºÎÆà ¹× ¼³Á¤ È®ÀÎ(¿¹) 5. °£´ÜÇÑ ¼Óµµ Å×½ºÆ® 5-1. Å×½ºÆ®1 - ½ºÀ§Äª Çãºê / °¢°¢ ÇϳªÀÇ ÀÌ´õ³Ý ¸¸À» »ç¿ë 5-2. Å×½ºÆ®2 - ½ºÀ§Äª Çãºê / °¢°¢ Ethernet Channel BondingÀ» Àû¿ë 5-3. Å×½ºÆ®3 - ´õ¹Ì Çãºê / °¢°¢ Ethernet Channel BondingÀ» Àû¿ë 5-4. Å×½ºÆ® °á°ú 6. FAQ 6-1. SMP ½Ã½ºÅÛ¿¡¼­ ¾ÈÀü(safe)Çմϱî? 6-2. Àß Áö¿øÇÏ´Â ÀÌ´õ³Ý Ä«µå´Â ? 6-3. bond Master(°¡»ó) ÀåÄ¡´Â ¸î°³±îÁö °¡´ÉÇմϱî? 6-4. bond Slave(Ethernet) ÀåÄ¡´Â ¸î°³±îÁö °¡´ÉÇմϱî? 6-5. Slave ÀåÄ¡Áß Çϳª°¡ Á×´Â´Ù¸é ¾î¶² Çö»óÀÌ ÀÖ³ª¿ä? 6-6. ¸¸¾à ÀÌ°Í(6-5ÀÇ Áú¹®)ÀÌ °íÃÄÁö¸é bondingÀº ³ôÀº ¼º´ÉÀ» ³¾ ¼ö ÀÖ½À´Ï±î? 6-7. ¾î¶² switches/systemÀÌ Ethernet Channel BondingÀ» Àû¿ëÇÒ ¼ö ÀÖ½À´Ï±î? 6-8. bond0ÀÇ MAC address´Â ¾î´À ÀåÄ¡ÀÇ °ÍÀԴϱî? 6-9. Ethernet Channel BondingÀº ¾î¶² Á¤Ã¥(¿ëµµ)¿¡ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï±î? 6-10. ä³Îº»µùÀ» Àû¿ëÇߴµ¥ ¿ø°Ý¿¡¼­ ¸î¸î ¼­ºñ½ºµ¥¸ó¿¡ Á¢¼ÓÇÒ ¼ö ¾ø½À´Ï´Ù. 6-11. ä³Îº»µùÇÑ ÄÄÇ»Åͳ¢¸®´Â ºü¸£°Ô ÆÐŶÀÌ Àü¼ÛµÇ´Âµ¥ ¿ÜºÎ ³×Æ®¿öÅ©¿¡¼­´Â ±×·¸Áö ¸øÇÕ´Ï´Ù. ÇØ°á¹æ¹ýÀº? 7. Èıâ ========================================================== 0. °³¿ä ¹× ¹è°æ ÀÌ ³»¿ëÀº ¿©·¯°³(2°³ÀÌ»ó)ÀÇ Ethernet¸¦ Çϳª·Î ¹­¾î¼­ ³×Æ®¿öÅ© ´ë¿ªÆøÀ» ´Ã¸®´Â ¹æ¹ýÀÔ´Ï´Ù. ÀÌ ¹æ¹ýÀº Beowulf ÇÁ·ÎÁ§Æ® Áß Å¬·¯½ºÅÍ Á¦À۽à »ç¿ëÇÏ´Â Ethernet Channel Bonding ÀÔ´Ï´Ù.(ÇÊÀڴ Ŭ·¯½ºÅÍ Á¦ÀÛ°æÇèÀÌ ¾ø±â ¶§¹®¿¡ ½ÇÁ¦·Î ÀÌ·¸°Ô Àû¿ëÇÏ´ÂÁö¿¡ ´ëÇؼ­´Â ¾Æ´Â ¹Ù°¡ ¾ø½À´Ï´Ù.) http://www.beowulf.org/software/bonding.html °ü·Ã ¹®¼­°¡ ¸¶Ä§ KLDP¿¡ ÀÖ±º¿ä. http://kldp.org/Translations/html/Cluster_QuickStart-KLDP/Cluster_QuickStart-KLDP-13.html (À¥¼­¹ö¿Í DB¼­¹ö¿ÍÀÇ ´ë¿ªÆø(Bandwidth)À» ³ÐÈ÷´Âµ¥ Àû´çÇÏ°ÚÀ½) 1. Á¦¾à Á¶°Ç Ethernet Channel Bonding À» »ç¿ëÇÏ¸é ¸î°¡Áö Á¶°ÇÀÌ ÀÖ½À´Ï´Ù. 1. Çãºê Àåºñ°¡ ½ºÀ§ÄªÀ̾î¾ß ¼º´ÉÀ» Á¦´ë·Î ¹ßÈÖ (EtherChannel Áö¿ø). 2. ¸®´ª½º Ä¿³Î¿¡¼­´Â Bonding ±â´É Áö¿øÀÌ ÇÊ¿ä. 3. ±âŸ, ¼º´ÉÁÁÀº Ethernet 2°³ ÀÌ»ó(°¡´ÉÇÑ °°Àº ¸ðµ¨ÀÇ PCI ¹æ½Ä) *¼º´ÉÀ» Á¦´ë·Î ³»±â À§Çؼ­´Â ¾çÂÊ ÄÄÇ»ÅÍ ¸ðµÎ À§¿Í °°Àº Á¶°ÇÀ̾î¾ßÇÔ. Áï, ¸®´ª½º BondingÀ̳ª Cisco 5500 switch, ¶Ç´Â SunTrunking SunSoft driveró·³ ºñ½ÁÇÑ ±â´ÉÀÌ ¾çÂÊ ¸ðµÎ ±¸ÇöµÇ¾î ÀÖ¾î¾ß ÇÔ. *Âü°í·Î) ÇÊÀÚÀÇ ³×Æ®¿öÅ© ȯ°æÀº À§ÀÇ Á¶°Ç¿¡¼­ Çãºê Àåºñ°¡ EtherChannel ±â´ÉÀÌ Áö¿øÇÏÁö´Â ¸øÇÏÁö¸¸ ºÒÇàÁß ´ÙÇàÀÌ ½ºÀ§Äª ÀåºñÀ̾ Å×½ºÆ®°¡ °¡´ÉÇßÀ½. ³ªÁß¿¡ ³ª¿À´Â Å×½ºÆ®ÀÇ ¼öÄ¡´Â Àý´ëÀûÀÎ ¼öÄ¡°¡ ¾Æ´Ñ Å×½ºÆ® ±×´ë·ÎÀÇ ¼öÄ¡ÀÔ´Ï´Ù. 2. Ä¿³Î¿¡¼­ Áö¿øÇÏ·Á¸é ? Ä¿³Î¿¡¼­ Áö¿øÇϱâ À§Çؼ­´Â ´ÙÀ½°ú °°ÀÌ ¼³Á¤ÇÏ°í Ä¿³ÎÀ» ÄÄÆÄÀÏÇÏ¿©¾ß ÇÑ´Ù. Network device support ---> <*> Bonding driver support ¸ÖƼ Ethernet ChannelÀ» »ç¿ëÇϱâ À§Çؼ­ [Y]³ª [M]À¸·Î ¼³Á¤ÇÏ¿© ÄÄÆÄÀÏÇÕ´Ï´Ù. ÀÌ ±â´ÉÀº, ÀÌ ¸ðµâ(Bonding)¸¦ ÀÌ¿ëÇؼ­ µÎ¹èÀÇ ¼Óµµ¸¦ °¡Áø ÇϳªÀÇ ÀåÄ¡(bond) ó·³ ÀÛµ¿ÇÕ´Ï´Ù. SISCO(½Ã½ºÄÚ)¿¡¼­´Â "Etherchannel", Sun¿¡¼­´Â "Trunking", ¸®´ª½º¿¡¼­´Â "Bonding" À̶ó°í ÇÔ. ¼º´ÉÀ» Á¦´ë·Î ³»±â À§Çؼ­ »ó´ë¹æ ÂÊ¿¡µµ °°Àº Á¶°ÇÀ̾î¾ß ÇÔ. (¸®´ª½º BondingÀ̳ª Cisco 5500 switch, ¶Ç´Â SunTrunking SunSoft driveró·³ ºñ½ÁÇÑ ±â´ÉÀ» Áö¿øÇØ¾ß ÇÔ) 3. ÇÊ¿äÇÑ ÆÐÅ°Áö´Â? ·¹µåÇÞ ¸®´ª½º¶ó¸é iputils-xxx.rpm ÆÐÅ°Áö¸¦ ¼³Ä¡ÇÏ¸é µË´Ï´Ù. Áï ÀÌ ÆÐÅ°Áö Áß¿¡¼­ ifenslave À¯Æ¿¸®Æ¼¸¦ ÀÌ¿ëÇϱâ À§Çؼ­ ÀÔ´Ï´Ù. ¿¹) # rpm -qf /sbin/ifenslave iputils-20000418-6 # rpm -ql iputils /bin/ping /sbin/ifenslave <--- È®ÀÎ »çÇ× /usr/sbin/arping /usr/sbin/clockdiff /usr/sbin/ping6 /usr/sbin/rdisc /usr/sbin/tracepath /usr/sbin/tracepath6 /usr/sbin/traceroute6 /usr/share/doc/iputils-20000418 /usr/share/doc/iputils-20000418/README /usr/share/doc/iputils-20000418/README.ifenslave /usr/share/doc/iputils-20000418/RELNOTES /usr/share/man/man8/arping.8.gz /usr/share/man/man8/clockdiff.8.gz /usr/share/man/man8/in.rdisc.8.gz /usr/share/man/man8/ping.8.gz /usr/share/man/man8/tracepath.8.gz # ÀϹÝÀûÀ¸·Î °ÅÀÇ ÀÌ ÆÐÅ°Áö°¡ ¼³Ä¡µÇ¾î Àֱ⠶§¹®¿¡ È®Àθ¸ ÇÔ. *Âü°í) Á÷Á¢ ifenslave¸¦ ÄÄÆÄÀÏÇÏ´Â ¹æ¹ý --------------------------- 1. http://www.beowulf.org/software/ ¿¡¼­ ifenslave.c ¼Ò½º ÆÄÀÏÀ» ¹Þ¾Æ¿È. 2. ÄÄÆÄÀÏ ¹× º¹»ç # gcc -O2 -o ifenslave ifenslave.c # cp ifenslave /sbin/ifenslave ÀÌ ¼Ò½º ¿ª½Ã Donald Becker ¾¾°¡ ÀÛ¼ºÇß±º¿ä. ¶óÀ̼¾½º´Â GNU GPLÀ̶ó°í ¸í½ÃµÇ¾î ÀÖ±º¿ä. -------------------------------------------------------- 4. Ethernet Channel Bonding ¼³Á¤ ¹× È®ÀÎ Ä¿³Î ÄÄÆÄÀÏ°ú À§ÀÇ ÆÐÅ°Áö°¡ ¼³Ä¡µÇ¾î ÀÖ´Ù¸é Çѹø ¼³Á¤ÇØ º¾½Ã´Ù. ÇöÀç ½Ã½ºÅÛ(¸®´ª½º)¿¡ EthernetÀÌ Çϳª ÀåÂøµÇ¾î ÀÖ´Ù°í °¡Á¤ÇÏ°Ú½À´Ï´Ù. Ä¿³Î ÄÄÆÄÀÏÀÌ ³¡³ª¸é °ð¹Ù·Î ÀçºÎÆÃÇÏÁö ¸»°í ¾Æ·¡¿Í °°ÀÌ ÆÄÀÏÀ» »ý¼º ¹× ÆíÁý ÇÕ´Ï´Ù. (µÎ¹ø° ÀÌ´õ³ÝÀº ÀÌ °úÁ¤ÀÌ ³¡³ª°í ÀåÂøÇÒ ¿¹Á¤) *ÁÖ) ------------------------------------------------------ »õ·Î ÀåÂøÇÒ µÎ¹ø°(¶Ç´Â ±×ÀÌ»ó) ÀÌ´õ³ÝÀº °¡´ÉÇÑ PCI Ethernet À¸·Î ù¹ø°(ÀÌ¹Ì ÀåÂøµÇ¾î ÀÖ´Â)°ú °°Àº ¸ðµ¨ÀÌ¸é ´õ¿í ÁÁ½À´Ï´Ù.(¹°·Ð °°Áö ¾Ê¾Æµµ »ó°ü¾øÀ½) ¶ÇÇÑ »õ·Î ÀåÂøÇÒ ÀÌ´õ³Ý ¿ª½Ã Ä¿³Î¿¡¼­ Áö¿øÇؾßÇÕ´Ï´Ù. ---------------------------------------------------------- [RedHat ¸®´ª½º °è¿­ ÀÏ °æ¿ì] ¼öÁ¤ ¹× »ý¼ºÇØ¾ß ÇÒ ÆÄÀÏ - /etc/modules.conf (¶Ç´Â conf.modules) - /etc/sysconfig/network - /etc/sysconfig/network-scripts/ifcfg-bond0 - /etc/sysconfig/network-scripts/ifcfg-eth0 - /etc/sysconfig/network-scripts/ifcfg-eth1 .... - /etc/sysconfig/network-scripts/ifcfg-eth[N] <-- ½Ã½ºÅÛ¿¡ ÀåÂøÇÒ ¼ö ÀÖ´Â N ¸¸Å­ 4-1. /etc/modules.conf (¶Ç´Â /etc/conf.modules) # cd /etc # vi modules.conf (Ä¿³Î 2.2.x´Â conf.modules) ---------------------------------------------------------- ## Áß°£ »ý·« ## alias bond0 bonding alias eth0 3c59x ## <-- ÇöÀç ÀåÂøµÇ¾î ÀÖ´Â ÀÌ´õ³Ý alias eth1 3c59x ## <-- »õ·Î ÀåÂøÇÒ µÎ¹ø° ÀÌ´õ³Ý ## ## ## bond0¿¡¼­ 0´Â ¼ýÀÚ 0ÀÔ´Ï´Ù. ## bondingÀº Ä¿³Î ¸ðµâÀ» ÀǹÌÇÕ´Ï´Ù. ## 3c59x ´Â ¸ðµâÀ̸§ÀÔ´Ï´Ù(3Com 905B-TX 10/100M). ---------------------------------------------------------- 4-2. /etc/sysconfig/network # cd /etc/sysconfig # vi network ---------------------------------------------------------- ## ÇöÀç ¼³Á¤À» ±×´ë·Î À¯ÁöÇÑä ´ÙÀ½ GATEWAYDEV ¼³Á¤¸¸ ¹Ù²Þ. ## ±×·¡¾ß ¿ÜºÎ ³×Æ®¿öÅ©·Î ÆÐŶÀÌ ³ª°¥ ¼ö ÀÖ½À´Ï´Ù. ## ## Áß°£ »ý·« ## GATEWAYDEV=bond0 ---------------------------------------------------------- 4-3. /etc/sysconfig/network-scripts/ifcfg-bond0 # cd /etc/sysconfig/network-scripts # mv ifcfg-eth0 ifcfg-bond0 # vi ifcfg-bond0 ---------------------------------------------------------- DEVICE=bond0 ## <-- À̺κР¸¸ ¼öÁ¤ÇÔ. ³ª¸ÓÁø ±âÁ¸ÀÇ eth0¸¦ ±×´ë·Î À¯Áö USERCTL=no ONBOOT=yes BOOTPROTO=none BROADCAST=XXX.XXX.XXX.255 NETWORK=XXX.XXX.XXX.0 NETMASK=255.255.255.XXX IPADDR=XXX.XXX.XXX.XXX ---------------------------------------------------------- 4-4. /etc/sysconfig/network-scripts/ifcfg-eth0 # vi ifcfg-eth0 (ifcfg-eth0 ÆÄÀÏÀ» »ý¼ºÇÔ) ---------------------------------------------------------- DEVICE=eth0 ## <-- À̺κÐÀÌ ifcfg-eth1°ú ´Ù¸£°í ¸ðµÎ µ¿ÀÏ USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none ---------------------------------------------------------- 4-5. /etc/sysconfig/network-scripts/ifcfg-eth1 # vi ifcfg-eth1 (ifcfg-eth1 ÆÄÀÏÀ» »ý¼ºÇÔ) ---------------------------------------------------------- DEVICE=eth1 ## <-- À̺κÐÀÌ ifcfg-eth0°ú ´Ù¸£°í ¸ðµÎ µ¿ÀÏ USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none ---------------------------------------------------------- # pwd /etc/sysconfig/network-scripts # ls ifcfg-* ifcfg-bond0 ifcfg-eth0 ifcfg-eth1 ifcfg-lo # ÀÌ»óÀ¸·Î ¼³Á¤ÀÌ ¸ðµÎ ³¡³µ½À´Ï´Ù. ½Ã½ºÅÛÀ» OFF ÇÑ ´ÙÀ½ µÎ¹ø° ÀÌ´õ³ÝÀ» ÀåÂøÇÕ´Ï´Ù. ±×¸®°í ½Ã½ºÅÛÀ» ONÇؾ߰ÚÁÒ?. [RedHat ¸®´ª½º°¡ ¾Æ´Ñ °æ¿ì] ÁÖ*) ÀçºÎÆÃÇÑ »óÅ¿¡¼­ ¸í·ÉÀ» ³»¸² /sbin/ifconfig bond0 addresss netmask xxx.xxx.xxx.xxx broadcast xxx.xxx.xxx.xxx up /sbin/ifenslave bond0 eth0 /sbin/ifenslave bond0 eth1 .... /sbin/ifenslave bond0 eth[n] ¶Ç´Â °£´ÜÇÏ°Ô # /sbin/ifenslave -v eth0 eth1 4-6. ½Ã½ºÅÛ ÀçºÎÆà ¹× ¼³Á¤ È®ÀÎ(¿¹) µÎ¹ø° ÀÌ´õ³ÝÀ» ÀåÂøÇÏ°í ½Ã½ºÅÛÀ» ºÎÆÃÇÏ¸é ´ÙÀ½°ú °°Àº ¸Þ½ÃÁö¸¦ º¼ ¼ö ÀÖ½À´Ï´Ù. Setting network parameters: [ OK ] Bringing up interface lo: [ OK ] Bringing up interface bond0: [ OK ] Bringing up interface eth0: [ OK ] Bringing up interface eth1: [ OK ] °¢ ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º È®ÀÎÇϱâ [bond0 / eth0 / eth1 ¸ðµÎ °°¾Æ¾ß ÇÒ ºÎºÐ] - ÀÌ´õ³Ý MAC Address : HWaddr 00:xx:C9:xx:E7:xx Áï ù¹ø° ÀÌ´õ³Ý(eth0)ÀÇ MAC Address ¸¦ ¸ðµÎ µû¸¥´Ù. - IP Address : inet addr:211.xxx.159.xxx - Brocast Address : Bcast:211.xxx.159.xxx - Net Mask : Mask:255.255.255.xxx [¼­·Î ²À Ʋ·Á¾ßÇÒ ºÎºÐ] - MASTER / SLAVE(********²À È®ÀÎ********) bond0 : ... RUNNING MASTER MULTICAST ... eth0/eth1 : ... RUNNING SLAVE MULTICAST ... - ÀÌ´õ³Ý I/O Address(¼­·Î ´Ù¸¥ ÀÌ´õ³ÝÀÓÀ» È®ÀÎ) eth0 : Base address:0x7000 eth1 : Base address:0x9000 - ±âŸ ÆÐŶ ¾ç # /sbin/ifconfig (¶Ç´Â netstat -i) bond0 Link encap:Ethernet HWaddr 00:xx:C9:xx:E7:xx inet addr:211.xxx.159.xxx Bcast:211.xxx.159.xxx Mask:255.255.255.xxx UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:1107 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 eth0 Link encap:Ethernet HWaddr 00:xx:C9:xx:E7:xx inet addr:211.xxx.159.xxx Bcast:211.xxx.159.xxx Mask:255.255.255.xxx UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:1721 errors:0 dropped:0 overruns:0 frame:0 TX packets:554 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 Interrupt:9 Base address:0x7000 eth1 Link encap:Ethernet HWaddr 00:xx:C9:xx:E7:xx inet addr:211.xxx.159.xxx Bcast:211.xxx.159.xxx Mask:255.255.255.xxx UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:1746 errors:0 dropped:0 overruns:0 frame:0 TX packets:553 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 Interrupt:10 Base address:0x9000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 # # # ls /proc/sys/net/ipv4/conf all bond0 default eth0 eth1 lo # ¿©±â±îÁö ÀÏ´Ü È®ÀεǾúÀ¸¸é, °ÔÀÌÆ®¿þÀ̳ª ³×Æ®¿öÅ© ¶Ç´Â ¿ÜºÎ ³×Æ®¿öÅ©¿¡ ÆÐŶÀ» º¸³»°í ¹Þ¾Æº»´Ù. (³×Æ®¿öÅ© ÀÌ»óÀ¯¹« È®ÀÎ) ¸¸¾à ³×Æ®¿öÅ© ¿¬°áÀÌ ¾ÈµÇ°Å³ª ¼Óµµ°¡ ÇöÀúÇÏ°Ô ´À¸®´Ù¸é, ·£¼±ÀÌ Çãºê¿Í ÀÌ´õ³Ý¿¡ ¿Ã¹Ù¸£°Ô ¿¬°áµÇ¾îÀÖ´ÂÁö È®ÀÎÇϰųª Çãºê Àåºñ¿¡ ÇØ´ç Link°¡ OnµÇ¾î ÀÖ´ÂÁö ²À È®ÀÎÇϱ⠹ٶø´Ï´Ù. RX / TX ÆÐŶ È®ÀÎÇϱâ # cat /proc/net/dev (¶Ç´Â /sbin/ifconfig ÀÇ °á°ú¿¡¼­ RX/TX ÆÐŶ ºñ±³) (ÇàÀÇ ±æÀÌ°¡ ±æ¾î¼­ ÇÊ¿äÇÑ °Í¸¸ ¿Å°åÀ½) (´ÜÀ§ : ÆÐŶ ¾ç) Iface RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR lo 340 0 0 0 340 0 0 0 bond0 0 0 0 0 3313 0 0 0 eth0 14711 0 0 0 1657 0 0 0 eth1 14746 0 0 0 1656 0 0 0 # *ÁÖ) RX : ¹Þ´Â ÆÐŶ(Receive) TX : º¸³½ ÆÐŶ(Transmit) -OK : ¿¡·¯¾øÀÌ ¹ÞÀº ÆÐŶ -ERR : ¿¡·¯ -DRP : Drop -OVR : Overrun Áï, À§ÀÇ °á°ú´Â RX / TX ÆÐŶÀ» °¢°¢ eth0¿Í eth1À¸·Î °ÅÀÇ µ¿ÀÏÇÏ°Ô ºÐ¹èÇؼ­ º¸³»°í ¹ÞÀ½À» ¾Ë ¼ö ÀÖ´Ù. 5. °£´ÜÇÑ ¼Óµµ Å×½ºÆ® ÇÊÀÚÀÇ ³×Æ®¿öÅ© ȯ°æÀº À§ÀÇ Á¶°Ç¿¡¼­ Çãºê Àåºñ°¡ EtherChannel ±â´ÉÀÌ Áö¿øÇÏÁö´Â ¸øÇÏÁö¸¸ ºÒÇàÁß ´ÙÇàÀÌ ½ºÀ§Äª ÀåºñÀ̾ Å×½ºÆ®°¡ °¡´ÉÇßÀ½. (Á÷Á¢ Å×½ºÆ®´Â ¸øÇغ¸¾ÒÁö¸¸, °¢°¢ÀÇ Lan¼±À» Çãºê¿¡ ¿¬°áÇÏ´Â °Íº¸´Ù´Â cross ÄÉÀ̺íÀ» Á¦ÀÛÇÏ¿© Á÷Á¢ C/S±¸Á¶¸¦ ¸¸µå´Â°ÍÀÌ ÈξÀ ³´°Ú±º¿ä.) µû¶ó¼­ ´ÙÀ½¿¡ ³ª¿À´Â Å×½ºÆ® °á°úÀÇ ¼öÄ¡´Â Àý´ëÀûÀÎ ¼öÄ¡°¡ ¾Æ´Ô¿¡ ÁÖÀÇÇÏ½Ã±æ ¹Ù¶ø´Ï´Ù. [Å×½ºÆ® ȯ°æ ¹× ¹æ¹ý] - µÎ ´ëÀÇ ¸®´ª½º ¹Ú½º Áغñ Çϳª(ÀÌÇÏ '¼­¹ö'¶ó ĪÇÔ) : redhat 6.2(kernel 2.4.1), 3Com905B-TX 10/100M 2°³ µÑ(ÀÌÇÏ 'Ŭ¶óÀ̾ðÆ®') : redhat 7.0(kernel 2.4.4), Intel eepro100 2°³ - Çãºê´Â ½ºÀ§Äª ÀåºñÀ̸ç, EtherChannel ±â´É ¾øÀ½ - 10MBPS ´õ¹Ì Çãºê Ãß°¡ Å×½ºÆ® - Çãºê¿¡¼­ ¼­¹ö, Ŭ¶óÀ̾ðÆ®ÀÇ °¢°¢ÀÇ ÀÌ´õ³ÝÀ¸·Î ÃÑ 4°³ÀÇ Lan ¼± ¿¬°á(RJ45¿ë) - FTP¸¦ ÀÌ¿ëÇÏ¿© Ŭ¶óÀ̾ðÆ®¿¡¼­ ¼­¹ö·Î ÇϳªÀÇ ÆÄÀÏÀ» ¾÷/´Ù¿îÇÑ Å×½ºÆ® - Å×½ºÆ®ÇÑ ÆÄÀÏÀº ¾à 131M mpeg ÆÄÀÏ Æ÷¸ËÀÓ(½Ã°£À» Àç±âÀ§Çؼ­ Å« ÆÄÀÏ ÀÌ¿ë) - ½Ã°£ °ü°è»ó Å×½ºÆ®´Â 3¹ø¸¸ ÇßÀ¸¸ç, ±× Áß µÎ¹ø°ÀÇ ³»¿ëÀ» È­¸é¿¡ º¸ÀÓ - Å×½ºÆ® Á¾·ù´Â ÃÑ 3°¡Áö·Î 1. ½ºÀ§Äª Çãºê¿¡¼­ °¢°¢ ÇϳªÀÇ ÀÌ´õ³Ý ¸¸À» »ç¿ëÇßÀ» °æ¿ì(ºñ±³ ±âÁØ) 2. ½ºÀ§Äª Çãºê¿¡¼­ °¢°¢ Ethernet Channel BondingÀ» Àû¿ëÇßÀ» °æ¿ì(ÁÖ °ü½É ´ë»ó) 3. ´õ¹ÌÇãºê¿¡¼­ °¢°¢ Ethernet Channel BondingÀ» Àû¿ëÇßÀ» °æ¿ì(´õ¹Ì Çãºê¿¡¼­ ±Ã±Ý) 5-1. Å×½ºÆ®1 - ½ºÀ§Äª Çãºê / °¢°¢ ÇϳªÀÇ ÀÌ´õ³Ý ¸¸À» »ç¿ë (ºñ±³ ±âÁØÀ» ¸¸µé±â À§Çؼ­ Å×½ºÆ®ÇÔ) ftp> get SES990610.mpg ## <--- Ŭ¶óÀ̾ðÆ®¿¡¼­ FTP ¼­¹öÀÇ ÆÄÀÏ ´Ù¿î·Îµå local: SES990610.mpg remote: SES990610.mpg 227 Entering Passive Mode (211,xxx,159,xxx,xxx,xx). 150 Opening BINARY mode data connection for SES990610.mpg (137753375 bytes). 226 Transfer complete. 137753375 bytes received in 117 secs (1.1e+03 Kbytes/sec) ## <--- °á°ú ftp> ftp> put SES990610.mpg ## <--- Ŭ¶óÀ̾ðÆ®¿¡¼­ FTP ¼­¹ö·Î ÆÄÀÏ ¾÷·Îµå local: SES990610.mpg remote: SES990610.mpg 227 Entering Passive Mode (211,xx,159,xx,xxx,xx). 150 Opening BINARY mode data connection for SES990610.mpg 226 Transfer complete. 137753375 bytes sent in 117 secs (1.1e+03 Kbytes/sec) ## <--- °á°ú ftp> 5-2. Å×½ºÆ®2 - ½ºÀ§Äª Çãºê / °¢°¢ Ethernet Channel BondingÀ» Àû¿ë (ÁÖ °ü½É ´ë»ó) ftp> get SES990610.mpg ## <--- Ŭ¶óÀ̾ðÆ®¿¡¼­ FTP ¼­¹öÀÇ ÆÄÀÏ ´Ù¿î·Îµå local: SES990610.mpg remote: SES990610.mpg 227 Entering Passive Mode (211,xxx,159,xxx,xxx,xx). 150 Opening BINARY mode data connection for SES990610.mpg (137753375 bytes). 226 Transfer complete. 137753375 bytes received in 64.7 secs (2.1e+03 Kbytes/sec) ## <--- °á°ú .... Çé?? ftp> ftp> put SES990610.mpg ## <--- Ŭ¶óÀ̾ðÆ®¿¡¼­ FTP ¼­¹ö·Î ÆÄÀÏ ¾÷·Îµå local: SES990610.mpg remote: SES990610.mpg 227 Entering Passive Mode (211,xxx,159,xxx,xxx,xx). 150 Opening BINARY mode data connection for SES990610.mpg 226 Transfer complete. 137753375 bytes sent in 61.1 secs (2.2e+03 Kbytes/sec) ## <--- °á°ú .... Çé?? ftp> 5-3. Å×½ºÆ®3 - ´õ¹Ì Çãºê / °¢°¢ Ethernet Channel BondingÀ» Àû¿ë ftp> get SES990610.mpg ## <--- Ŭ¶óÀ̾ðÆ®¿¡¼­ FTP ¼­¹öÀÇ ÆÄÀÏ ´Ù¿î·Îµå local: SES990610.mpg remote: SES990610.mpg 227 Entering Passive Mode (211,xxx,159,xxx,xxx,xxx). 150 Opening BINARY mode data connection for SES990610.mpg (137753375 bytes). 226 Transfer complete. 137753375 bytes received in 290 secs (4.6e+02 Kbytes/sec) ## <--- °á°ú ftp> ftp> put SES990610.mpg ## <--- Ŭ¶óÀ̾ðÆ®¿¡¼­ FTP ¼­¹ö·Î ÆÄÀÏ ¾÷·Îµå local: SES990610.mpg remote: SES990610.mpg 227 Entering Passive Mode (211,xxx,159,xxx,xxx,xxx). 150 Opening BINARY mode data connection for SES990610.mpg 226 Transfer complete. 137753375 bytes sent in 243 secs (5.5e+02 Kbytes/sec) ## <--- °á°ú ftp> 5-4. Å×½ºÆ® °á°ú Å×½ºÆ®1 - ½ºÀ§Äª Çãºê / °¢°¢ ÇϳªÀÇ ÀÌ´õ³Ý ¸¸À» »ç¿ë - ´Ù¿î·Îµå : 137753375 bytes received in 117 secs (1.1e+03 Kbytes/sec) - ¾÷·Îµå : 137753375 bytes sent in 117 secs (1.1e+03 Kbytes/sec) Å×½ºÆ®2 - ½ºÀ§Äª Çãºê / °¢°¢ Ethernet Channel BondingÀ» Àû¿ë - ´Ù¿î·Îµå : 137753375 bytes received in 64.7 secs (2.1e+03 Kbytes/sec) - ¾÷·Îµå : 137753375 bytes sent in 61.1 secs (2.2e+03 Kbytes/sec) Å×½ºÆ®3 - ´õ¹Ì Çãºê / °¢°¢ Ethernet Channel BondingÀ» Àû¿ë - ´Ù¿î·Îµå : 137753375 bytes received in 290 secs (4.6e+02 Kbytes/sec) - ¾÷·Îµå : 137753375 bytes sent in 243 secs (5.5e+02 Kbytes/sec) Å×½ºÆ®1 °á°ú¸¦ ±âÁØÀ¸·Î º¼ ¶§ Å×½ºÆ®2´Â °ÅÀÇ ¾à 2¹èÀÇ ¼Óµµ¸¦ ³»´Â±º¿ä. ¹Ý¸é Å×½ºÆ®3Àº ¿ÀÈ÷·Á ´õ ¼Óµµ°¡ ¶³¾îÁø´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù. Å×½ºÆ®3Àº Á»´õ ¸¹Àº Å×½ºÆ®¸¦ ÇغÁ¾ß ¾Ë°ÚÁö¸¸ ÀÏ´Ü ´õ¹ÌÇãºê¿¡¼­´Â ±× È¿°ú°¡ ¾ø´Ù´Â °ÍÀ» ÁüÀÛÇÒ ¼ö ÀÖ½À´Ï´Ù. ½ºÀ§Äª Çãºê¿¡ ¾çÂÊ ¸ðµÎ Ethernet Channel BondingÀ» Àû¿ëÇßÀ» °æ¿ì Á¤¸» ³î¶ó¿î ¼Óµµ(?)¸¦ ³»±º¿ä. µû¶ó¼­ À¥¼­¹ö¿Í DB¼­¹ö/¸ÞÀϼ­¹ö(POP3/IMAP)¸¦ ¼­·Î Ethernet Channel Bonding À» Àû¿ëÇϸé ÀûÀýÇÏ°ÚÀ½. *Âü°í) ÀϹÝÀûÀÎ ³»ºÎ ³×Æ®¿öÅ© ȯ°æ -------------------------------- Ưº°ÇÑ °æ¿ì°¡ ¾Æ´Ñ ÀÌ»ó 10/100M Çãºê Àåºñ¿¡ 10/100M ÀÌ´õ³ÝÀ» »ç¿ëÇÕ´Ï´Ù. ÀÌ´Â 10MBPS ¸¦ ±âÁØÀ¸·Î ÇÒ¶§,(MBPS´Â MBit Per Sec) 10MBPS = 10 * 1024 * (1/8)Kbytes * (1/sec) = ¾à 1,280 KBytes/sec À̹ǷÎ, Å×½ºÆ®1ÀÇ °á°ú(1,100KBytes/sec)´Â Ưº°ÇÑ »óȲ(³×Æ®¿öÅ© Àå¾Ö)ÀÌ ¾Æ´Ñ ÀϹÝÀûÀÎ ³»ºÎ ³×Æ®¿öÅ© ȯ°æÀ̶ó°í ¸» ÇÒ ¼ö ÀÖÀ½. ---------------------------------------------------------- 6. FAQ *ÁÖ) ÀÌ FAQ´Â /usr/share/doc/iputils-20000418/README.ifenslave ¹®¼­¸¦ ¹ø¿ªÇØ ³õÀº °ÍÀÔ´Ï´Ù. 6-1. SMP ½Ã½ºÅÛ¿¡¼­ ¾ÈÀü(safe)Çմϱî? ³×, ¾ÈÀüÇÕ´Ï´Ù. ¿À·¡µÈ Ä¿³Î 2.0.xx¿¡¼­ channel bonding ÆÐÄ¡´Â ¾ÈÀüÇÑ SMP°¡ ¾Æ´Ï¾úÁö¸¸, ÀÌ°ÍÀº ¾ÈÀüÇÑ SMP ½Ã½ºÅÛ¿¡¼­ Ãâ¹ß µðÀÚÀεǾú½À´Ï´Ù. 6-2. Àß Áö¿øÇÏ´Â ÀÌ´õ³Ý Ä«µå´Â ? ¾î¶°ÇÑ ÀÌ´õ³Ý Ä«µå¶óµµ Áö¿øÇÕ´Ï´Ù(¿¹¸¦µé¾î, tulip °ú 3com 3c905ÀÇ bonding). ¶ÇÇÑ 1000M(Gigabit) ÀÌ´õ³Ýµµ ÇÔ²² bondingÇÒ ¼ö ÀÖ½À´Ï´Ù. *¿ªÁÖ) ÀÌ´õ³ÝÀº ¿ì¼±ÀûÀ¸·Î ¸®´ª½º Ä¿³Î¿¡¼­ Áö¿øÇؾßÇÕ´Ï´Ù. 6-3. bond Master(°¡»ó) ÀåÄ¡´Â ¸î°³±îÁö °¡´ÉÇմϱî? Çϳª. 6-4. bond Slave(Ethernet) ÀåÄ¡´Â ¸î°³±îÁö °¡´ÉÇմϱî? ½Ã½ºÅÛ¿¡ ÀåÂøÇÒ ¼ö ÀÖ´Â °³¼ö ¸¸Å­ °¡´ÉÇÕ´Ï´Ù. *¿ªÁÖ) ½ÇÁ¦·Î 3°³±îÁö ¼³Á¤ÇØ º¸¾ÒÀ¸³ª Å×½ºÆ®ÇÏÁö´Â ¸øÇßÀ½. 6-5. Slave ÀåÄ¡Áß Çϳª°¡ Á×´Â´Ù¸é ¾î¶² Çö»óÀÌ ÀÖ³ª¿ä? ÇöÀç, ÀÌ´õ³Ý µå¶óÀ̺ê´Â ÀÌ »óȲ¿¡¼­ Àß ´ëóÇÏÁö ¸øÇÕ´Ï´Ù. tulip µå¶óÀ̹ö¸¦ »ç¿ëÇÒ °æ¿ì ¸ØÃßÁö´Â ¾ÊÁö¸¸ ÀÌ´Â ´ÜÁö ÆÐŶÀ» ¾ø¾Ö¹ö¸³´Ï´Ù. *¿ªÁÖ) ÇÊÀÚ°¡ Å×½ºÆ®ÇÑ ¹Ù·Î´Â ¼Óµµ°¡ ¾öû³ª°Ô ´À·ÁÁö´õ±º¿ä... 6-6. ¸¸¾à ÀÌ°Í(6-5ÀÇ Áú¹®)ÀÌ °íÃÄÁö¸é bondingÀº ³ôÀº ¼º´ÉÀ» ³¾ ¼ö ÀÖ½À´Ï±î? ³×, 6-7. ¾î¶² switches/systemÀÌ Ethernet Channel BondingÀ» Àû¿ëÇÒ ¼ö ÀÖ½À´Ï±î? Cisco 5500 ½Ã¸®Áî Çãºê(EtherChannel Áö¿øÀÌ °¡´ÉÇÑÁö È®ÀÎ ¿ä¸Á). SunTrunking ¼ÒÇÁÆ®¿þ¾î. 6-8. bond0ÀÇ MAC address´Â ¾î´À ÀåÄ¡ÀÇ °ÍÀԴϱî? ù¹ø° slave(eth0)ÀÇ MAC addressÀÔ´Ï´Ù. ¸¸¾à ù¹ø° slave ÀåÄ¡¸¦ Á¦°ÅÇϸé MAC address´Â ù¹ø° slave¿Í °ü·ÃÇÏ¿© °è¼Ó ÇÒ·Á°í ½ÃµµÇÒ °ÍÀÌ´Ù. ¸¸¾à MAC address¸¦ Á¦°ÅÇÏ°í ½Í´Ù¸é ´ÙÀ½°ú °°ÀÌ ÇؾßÇÕ´Ï´Ù.. # ifconfig bond0 down # modprobe -r bonding ¸¸¾à MAC address¸¦ ´Ù½Ã ÁöÁ¤ÇÏ°í ½Í´Ù¸é, bond0 ÀåÄ¡¿¡ ifconfig(ÀÎÅÍÆäÀ̽º¼³Á¤) ÇؾßÇÕ´Ï´Ù. *¿ªÁÖ) MAC address¸¦ Á¦°ÅÇÑ´Ù?...¹ø¿ªÀÌ?? 6-9. Ethernet Channel BondingÀº ¾î¶² Á¤Ã¥(¿ëµµ)¿¡ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï±î? enslaving ±âÃÊÇÑ Round robin. *¿ªÁÖ) °­¼ºÀÏ´ÔÀÇ ÁöÀû¿¡ ÀÇÇؼ­ ¿ªÁÖ ¼³¸íÀ» ÀοëÇÏ¿© Á¤Á¤ ÇÕ´Ï´Ù. ½ºÄÉÁÙ¸µÀÇ ±âº»ÀÌ µÇ´Â ´Ü¼øÇÑ Á¤Ã¥À¸·Î °¢ ÀÚ¿ø(ÀåÄ¡, ÇÁ·Î¼¼½º µîµî) À» µ¹¾Æ°¡¸é¼­ »ç¿ëÇÏ´Â °ÍÀ» ÀǹÌÇϸç, °ü·ÃµÈ °÷ÀÌ¸é ¾îµðµçÁö »ç¿ëµÉ ¼ö ÀÖ´Â °¡Àå °£´ÜÇÑ ¹æ¹ýÁßÀÇ Çϳª·Î ´ëºÎºÐÀÇ ¿î¿µÃ¼Á¦¿¡¼­ ½ºÄÉÁÙ¸µÀ» »ç¿ëÇÔ. ½Ç½Ã°£ ¿î¿µÃ¼Á¦¿¡¼­´Â ½Ç½Ã°£ ÀÛ¾÷(ÇÁ·Î¼¼½º)À» Á¦¿ÜÇÏ°í ½Ã°£°ú º°°ü°è°¡ ¾ø´Â °ÍÀ» Round robinÀ¸·Î ó¸®ÇÑ´Ù°í ÇÔ. Round-robin scheduling(¸ÖƼÀ¯Àú ȯ°æ¿¡¼­ CPU ½Ã°£À» ÇÒ´çÇÏ´Â ¹æ¹ý) DNS ¼³Á¤¿¡¼­ ¸»ÇÏ´Â Round robinÀº °°Àº È£½ºÆ®À̸§¿¡ ´ëÇؼ­ ¿©·¯°³ÀÇ ´Ù¸¥ IPÁÖ¼Ò¸¦ ÁöÁ¤ÇÏ¿© Ŭ¶óÀ̾ðÆ®°¡ ·£´ýÇÏ°Ô access ÇÏ´Â ±â¹ýÀ» ¸»ÇÕ´Ï´Ù 6-10. ä³Îº»µùÀ» Àû¿ëÇߴµ¥ ¿ø°Ý¿¡¼­ ¸î¸î ¼­ºñ½ºµ¥¸ó¿¡ Á¢¼ÓÇÒ ¼ö ¾ø½À´Ï´Ù. ÀÌ FAQ´Â °­¼ºÀÏ´ÔÀÌ Çǵå¹éÇØÁØ ³»¿ëÀ» Á¤¸®ÇÑ °ÍÀÔ´Ï´Ù. ÀÌ´õ³Ý ä³Î º»µùÀ» Àû¿ëÇÏ°í ³ª¸é ³×Æ®¿öÅ© MASTER ÀÎÅÍÆäÀ̽º ÀåÄ¡À̸§ÀÌ eth0¿¡¼­ bond0·Î ¹Ù²î°Ô µË´Ï´Ù. µû¶ó¼­ iptablesÀ̳ª ipchains µîÀ¸·Î ¹æÈ­º®À» ¼³Ä¡ÇÏ¿© ¿î¿µÇϴ ȯ°æ¿¡¼­´Â ¹æÈ­º® ¼³Á¤À» ÇØÁ¦Çϰųª ¹æÈ­º® ¼³Á¤¿¡¼­ eth0 ºÎºÐÀ» bond0 À¸·Î ¼öÁ¤ÇؾßÇÕ´Ï´Ù. ¿¹) ¼öÁ¤ Àü : ipchains -A input -p tcp -s xxx.xxx.xxx.xxx -d xxx.xxx.xxx.xxx -i eth0 -j ACCEPT ¼öÁ¤ ÈÄ: ipchains -A input -p tcp -s xxx.xxx.xxx.xxx -d xxx.xxx.xxx.xxx -i bond0 -j ACCEPT ¹°·Ð À§ÀÇ ¼³Á¤Àº bond0 ÀÎÅÍÆäÀ̽º°¡ ÆÐŶÀÇ ÃâÀÔ±¸ ¿ªÇÒÀ» ÇÒ °æ¿ì¿¡ ÇØ´çµË´Ï´Ù. µû¶ó¼­, ¶ó¿ìÆà Å×À̺íÀ» º¸°í SLAVE°¡ ¾Æ´Ñ ÀÎÅÍÆäÀ̽º ÀåÄ¡¿¡ ´ëÇؼ­ ¹æÈ­º® ¼³Á¤À» ¼öÁ¤ÇؾßÇÕ´Ï´Ù. 6-11. ä³Îº»µùÇÑ ÄÄÇ»Åͳ¢¸®´Â ºü¸£°Ô ÆÐŶÀÌ Àü¼ÛµÇ´Âµ¥ ¿ÜºÎ ³×Æ®¿öÅ©¿¡¼­´Â ±×·¸Áö ¸øÇÕ´Ï´Ù. ÇØ°á¹æ¹ýÀº? ä³Î º»µùÀº ±âº»ÀûÀ¸·Î ¾çÂÊ ¸ðµÎ °°Àº Á¶°Ç¿¡¼­ ±× È¿°ú°¡ ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¾î ¿ø°ÝÀÇ È£½ºÆ®°¡ ´õ¹ÌÇãºê¿¡ ¹°·ÁÀÖ´Ù¸é ¿ÀÈ÷·Á ä³Îº»µùÇϱâ Àüº¸´Ù ¼Óµµ°¡ ´õ ¶³¾îÁú ¼ö ÀÖ½À´Ï´Ù. ÀÌ·± °æ¿ì¿¡´Â ä³Îº»µùÇÑ ÀÎÅÍÆäÀ̽º¸¦ ³»ºÎIPÁÖ¼Ò·Î ¼³Á¤ÇÏ¿© ÁÖ·Î ³»ºÎ³×Æ®¿öÅ©¿ëÀ¸·Î »ç¿ëÇÏ´Â ¹æÇâÀ¸·Î Á¤ÇÏ°í, ÀÌ´õ³Ý Ä«µå¸¦ ÇÏ´Ù ´õ ÀåÂøÇÏ¿© ÀÎÅÍÆäÀ̽º¸¦ È°¼ºÇÑ ´ÙÀ½ ¿ÜºÎ ³×Æ®¿öÅ©¿ëÀ¸·Î »ç¿ëÇϴ°ÍÀÌ ÁÁ½À´Ï´Ù(GATEWAYDEV). *Èıâ) ---------------------------------------------------- ±×µ¿¾È ÀÌ´õ³Ý Ä«µå¿Í ³×Æ®¿öũȯ°æ(ƯÈ÷ ÇãºêÀåºñ)ÀÌ ¸ÂÁö¾Ê¾Æ¼­ ±Ù 1.5³â µ¿¾È Å×½ºÆ®¸¦ ¸øÇߴµ¥ ¿À´Ã¿¡¼­¾ß ÇϰԵǾú±º¿ä.. ±×¶§ ´ç½Ã ÀÌ´õ³Ý 3Com 100MBPS°¡ 10¸¸¿ø Á¤µµÇߴµ¥ ¿À´Ã ¸¶Áö¸· Å×½ºÆ®ÇÒ·Á°í °°Àº ¸ðµ¨À» »ç¿Ô´Âµ¥ ¹Ý°ªÀ̱º¿ä......^.9 END ---------------------------------------------------