WAN / Internet : : PPPoE-Telekom : .-----+------. | FRITZ!Box | 192.168.1.0/24 '-----+------' | WAN | 192.168.1.200/32 | .-----+----------------. | OPNsense (alix2d2) | '-----+----------------' | LAN | 192.168.10.254/32 | .-----+------. | LAN-Switch | 192.168.10.0/24 '-----+------' | ...-----+------... (Clients/Servers)