ip_forward

sysctl -w net.ipv4.ip_forward=1
or
echo 1 > /proc/sys/net/ipv4/ip_forward
or
/etc/sysctl.conf 檔案，保證其中有如下一行:
net.ipv4.ip_forward = 1

執行:
sysctl -p
		

iptables

sudo iptables -t nat -A POSTROUTING -j MASQUERADE -p tcp -o eth0 -s 172.16.0.0/16 -d 0.0.0.0/0
sudo iptables -t nat -A POSTROUTING -j MASQUERADE -p tcp -o eth1 -s 192.168.1.0/24 -d 0.0.0.0/0
		

ipvsadm

sudo ipvsadm -A -t 172.16.0.1:80 -s wlc
sudo ipvsadm -a -t 172.16.0.1:80 -r 192.168.0.4:80 -m
sudo ipvsadm -a -t 172.16.0.1:80 -r 192.168.0.5:80 -m -w 2