4.2.1.2 MAC Filter Configuration...........................................................................................45
4.2.2 NAT/DMZ Configuration...............................................................................................45
4.2.3 Router Configuration......................................................................................................47
4.3 VPN Configuration............................................................................................................50
4.3.1 GRE................................................................................................................................ 50
4.3.2 PPTP............................................................................................................................... 51
4.3.3 IPSEC............................................................................................................................. 53
4.3.4 L2TP Configuration........................................................................................................55
4.4 System Manage..................................................................................................................56
4.4.1Time Manage................................................................................................................... 56
4.4.1.1Set time by hand:....................................................................................................... 57
4.4.2 Password Manage...........................................................................................................58
4.4.3 Systme Status..................................................................................................................58
4.4.4 Configuration backup and Software Update..................................................................59
4.4.5System Debug..................................................................................................................60
4.5 Other Configuration...........................................................................................................61
4.5.1 Activation Mode............................................................................................................. 61
4.5.2 Bandwidth Manage.........................................................................................................67
4.5.3 MAC address binding.....................................................................................................68
4.5.4 Others..............................................................................................................................68
4.5.5 Timing Restart................................................................................................................ 69
4.5.6 DTU Function Configuration......................................................................................... 69
Chapter 5 FAQ.................................................................................................................................73
5.1 Frequent on/off line........................................................................................................... 73
5.2 Forgot password................................................................................................................ 73
5.3 LAN indicator is off.......................................................................................................... 73
5.4 Can’t dial-up to be online..................................................................................................73
5.5 Dial-up to be online, but can’t visit website......................................................................74
Appendix I. Login Router by Telnet.............................................................................................74
Appendix 2 Login Router by hypertrm........................................................................................ 76
Appendix 3 Obtain debug information from syslogd server........................................................79
Appendix 4 Restore default setting through boot bios software..................................................80
Appendix 5. Wireless network basic information(In China)....................................................... 85
Appendix 6 Obtained DNS setting according to Router..............................................................86