DSR-250N  -  Wireless  N  Unified  Service  Router-  8  x  10/100/1000Mbps  LAN  ports.-  1  x  10/100/1000Mbps  WAN  ports  (Second  WAN  port  can  be  configured  as  DMZ  port)-  45Mbps  plaintext  firewall  throughput-  35Mbps  3DES/AES  VPN  throughput-  Concurrent  session:  20,000-  VPN  Tunnel:  25-  Support  IEEE  802.11n  ratified  version-  One  USB  2.0  ports  support  print  server,  Share  Port  and  WCN  functionality-  Support  SSL  VPN  feature.-  Support  static  IPv6  addresses/routing,  DHCPv6,  IPv6  over  PPPoE  and  IPv6  in  IPv4  tunneling.-  Support  route  failover  and  route  load  balancing."