To tekst z posta znalezionego niżej
#/bin/sh
IPE1="10.10.0.1"
MASK1="255.255.255.0"
IPE2="10.10.1.1"
MASK2="255.255.255.0"
/sbin/ifconfig lo 127.0.0.1
/sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
BROADCAST=`/bin/ipmask ${Mask1} ${IPE1} | cut -f 1 -d ' '`
NETWORK=`/bin/ipmask ${MASK1} ${IPE1} | cut -f 2 -d ' '`
BROADCAST2=`/bin/ipmask ${Mask2} ${IPE2} | cut -f 1 -d ' '`
NETWORK2=`/bin/ipmask ${MASK2} ${IPE2} | cut -f 2 -d ' '`
/sbin/ifconfig eth0 ${IPE1} broadcast ${BROADCAST} netmask ${MASK1}
/sbin/ifconfig eth1 ${IPE2} netmask ${MASK2} broadcast ${BROADCAST2}
#/sbin/route add default gw ${GETEWAY} metric 1
/sbin/route add -net ${IPE1} dev eth0
/sbin/route add -net ${IPE2} dev eth1
IPE1="10.10.0.1"
MASK1="255.255.255.0"
IPE2="10.10.1.1"
MASK2="255.255.255.0"
/sbin/ifconfig lo 127.0.0.1
/sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
BROADCAST=`/bin/ipmask ${Mask1} ${IPE1} | cut -f 1 -d ' '`
NETWORK=`/bin/ipmask ${MASK1} ${IPE1} | cut -f 2 -d ' '`
BROADCAST2=`/bin/ipmask ${Mask2} ${IPE2} | cut -f 1 -d ' '`
NETWORK2=`/bin/ipmask ${MASK2} ${IPE2} | cut -f 2 -d ' '`
/sbin/ifconfig eth0 ${IPE1} broadcast ${BROADCAST} netmask ${MASK1}
/sbin/ifconfig eth1 ${IPE2} netmask ${MASK2} broadcast ${BROADCAST2}
#/sbin/route add default gw ${GETEWAY} metric 1
/sbin/route add -net ${IPE1} dev eth0
/sbin/route add -net ${IPE2} dev eth1
. Dodatkowo musisz ustawić maskaradę w rc.masq dla komputerów z drugiej podsieci, oraz jeżeli używasz dhcpd to jeszcze dodać wpisy w dhcpd.conf dla drugiej podsieci, no i oczywiście w pliku hosts dodać nazwy komputerów z drugiej podsieci.