... fuctions*DHCP Server/Relay/Client*DNS Proxy*Configuration backup and restoration*NAT/PAT Technical Specifications : LAN Inteface*Ethernet×4WLAN*MAC Address ... antennaMANAGEMENT*SNMP,SNTP,Telnet,Web-based management , Configuration backup and restoration*Fireware upgrade via HTTP,TFTP client and server , or FTP ...