Linux¿¡¼ Gateway¸¦ Ãß°¡ ÇÏ´Â ¹æ¹ýÀº ´ÙÀ½°ú °°´Ù. 1. Gateway¸¦ Ãß°¡ÇÏ°í ½ÍÀº eth Ä«µå¿¡ Gateway Ãß°¡ (/etc/sysconfig/network-scrpit/if-eth* ÆÄÀÏ¿¡ Gateway Ãß°¡) ex) GATEWAY=10.1.1.12. Route table¿¡ Gateway Ãß°¡ ex) route add -net 10.1.1.0/24 gw 10.1.1.1 eth23. iproute¸¦ ÀÌ¿ëÇÏ¿© rule ¹× route º¯°æ (/etc/iproute2/rt_tables) ex) echo 200 eth2 >> /etc/iproute2/rt_tables ip rule add fwmark 1 table eth2 ip route add default via 10.1.1.1 table eth2 4. iptables ¸¦ ÀÌ¿ëÇÏ¿© ÆÐŶ¿¡ Ç¥½ÄÀ» ´Þ¾ÆÁÜ À§¿¡ ip rule ¼³Á¤¿¡ º¸¸é fwmark 1 À̶ó°í µÇ¾î ÀÖ´Â ºÎºÐÀÌ µ¿ÀÛ ÇÏ´Â ºÎºÐ ÀÓ ex) iptables -A OUTPUT -t mangle -s 10.1.1.2 -j MARK --set-mark 1* rc.d/rd.local¿¡ ÀÚµ¿ ½ÇÇà Ãß°¡¸¦ ÇØÁÖ¸é ¸®ºÎÆýà ÀÚµ¿À¸·Î ½ÇÇà µÊ* ¿¹¹®Àº Gateway¸¦ Ãß°¡ÇÏ°í ½ÍÀº eth Ä«µå°¡ eth2 ÀÌ°í IP°¡ 10.1.1.2ÀÏ °æ¿ì ÀÓ
cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=yes
HOSTNAME=media
GATEWAY=192.168.0.16
GATEWAYDEV=eth0 <--µðÆúÆ® °ÔÀÌÆ®¿þÀÌ·Î ³ª°¡´Â ³×Æ®¿öÅ© Ä«µå°¡ eth0 À¸·Î ¼³Á¤
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