... system, DHCP server, virtual server , DMZ host, firewall, and static routing table. The PL-ER504W-E1 router provides flexible ... supporting static IP address distributing 7,Supports Port mirroring and MAC address filtering8,Built-in Static Router,Virtual server,DMZ ... GRE/PPTP UDP/LITP 15,Supports Software online upgrade and firmware upgrade, 16,External manual reset switchApplicationSOHO broadband ...