Rechner 1: Internet-Router(Linux)

Netzwerkgeraet 1: eth0

Netz: 192.168.13.0

inet addr: 192.168.13.2

Mask: 255.255.255.0

Netzwerkgeraet 2: ippp0

inet addr: 192.168.0.1

P-t-P: 192.168.0.99

Mask: 255.255.255.255

echo "1" > /proc/sys/net/ipv4/ip_dynaddr

iptables -t nat -A POSTROUTING -o ippp0 -j MASQUERADE

route add -net 192.168.14.0 netmask 255.255.255.0 gw 192.168.13.1 dev eth0

Rechner 2: Gateway(Linux)

Netzwerkgeraet 1: eth0

Netz: 192.168.14.0

inet addr: 192.168.14.1

Mask: 255.255.255.0

Netzwerkgeraet 2: eth1

Netz: 192.168.13.0

inet addr: 192.168.13.1

Mask: 255.255.255.0

route del default

route add default gw 192.168.13.2

echo "1" >/proc/sys/net/ipv4/ip_forward

echo "1" >/proc/sys/net/ipv4/ip_dynaddr

ipchains -A forward -i eth1 -j MASQ

ipchains -A forward -i eth0 -j MASQ

Rechner 3: Workstation(FreeBSD)

Netzwerkgeraet 1: ed0

Netz: 192.168.14.0

inet addr: 192.168.14.3

Mask: 255.255.255.0

route add -net 0.0.0.0 192.168.14.1