vi 
9.4.2 Enable internet users to access LAN resources using an IP address ........................ 67 
9.5 DDNS ................................................................................................................................. 72 
9.5.1 Overview ................................................................................................................ 72 
9.5.2 Enable internet users to access LAN resources using a domain name .................... 73 
9.6 DMZ host ........................................................................................................................... 76 
9.6.1 Overview ................................................................................................................ 76 
9.6.2 Enable internet users to access LAN resources using an IP address ........................ 76 
9.7 UPnP .................................................................................................................................. 80 
9.8 Firewall .............................................................................................................................. 81 
10  IPv6 ......................................................................................................................................... 82 
10.1 Connect to the IPv6 network of ISPs ............................................................................... 82 
10.1.1 PPPoEv6 ................................................................................................................ 82 
10.1.2 DHCPv6 ................................................................................................................. 85 
10.1.3 Static IPv6 ............................................................................................................. 86 
10.2 IPv6 LAN setup ................................................................................................................ 90 
10.3 IPv6 status ....................................................................................................................... 92 
11  Administration ......................................................................................................................... 93 
11.1 Login password ................................................................................................................ 93 
11.2 WAN parameters ............................................................................................................. 94 
11.2.1 Change the server name and service name .......................................................... 94 
11.2.2 Change the MTU value ......................................................................................... 94 
11.2.3 Clone WAN MAC Address ..................................................................................... 95 
11.2.4 Change the WAN Speed ........................................................................................ 96 
11.3 LAN parameters ............................................................................................................... 98 
11.4 Remote web-based management.................................................................................... 99 
11.4.1 Overview .............................................................................................................. 99 
11.4.2 Enable Tenda techical support to access the web UI .......................................... 100 
11.5 Date & Time .................................................................................................................. 101 
11.6 Device management ...................................................................................................... 102 
11.6.1 Reboot the router ............................................................................................... 102 
11.6.2 Reset the router .................................................................................................. 102 
11.6.3 Backup/Restore configuration ............................................................................ 104 
11.6.4 Export system log ............................................................................................... 105 
11.6.5 Upgrade firmware............................................................................................... 106 
11.6.6 Automatic maintenance ..................................................................................... 108