Draytek 2800 Series User Manual page 4

3.12.5 Wireless Rate Control................................................................................................. 140
3.13 System Maintenance......................................................................................................... 141
3.13.1 System Status............................................................................................................. 141
3.13.2 Administrator Password.............................................................................................. 142
3.12.3 Configuration Backup ................................................................................................. 142
3.13.4 Syslog/Mail Alert ......................................................................................................... 144
3.13.5 Time and Date ............................................................................................................ 146
3.13.6 Management............................................................................................................... 147
3.13.7 Reboot System ........................................................................................................... 148
3.13.8 Firmware Upgrade ...................................................................................................... 149
3.14 Diagnostics........................................................................................................................ 150
3.14.1 WAN Connection ........................................................................................................ 150
3.14.2 Dial-out Trigger ........................................................................................................... 151
3.14.3 Routing Table ............................................................................................................. 151
3.14.4 ARP Cache Table ....................................................................................................... 152
3.14.5 DHCP Table................................................................................................................ 152
3.14.6 NAT Sessions Table ................................................................................................... 153
3.14.7 ADSL Spectrum Analysis............................................................................................ 154
3.14.8 Wireless VLAN Online Station Table.......................................................................... 155
3.14.9 Ping Diagnosis............................................................................................................ 155
3.14.10 Data Flow Monitor..................................................................................................... 156
3.14.11 Trace Route .............................................................................................................. 157
4
Application and Examples ............................................................................159
4.1 Create a LAN-to-LAN Connection Between Remote Office and Headquarter ................... 159
4.2 Create a Remote Dial-in User Connection Between the Teleworker and Headquarter...... 166
4.3 QoS Setting Example.......................................................................................................... 170
4.4 LAN - Created by Using NAT ............................................................................................. 172
4.5 Calling Scenario for VoIP function ...................................................................................... 175
4.5.1 Calling via SIP Sever .................................................................................................... 175
4.5.2 Peer-to-Peer Calling ..................................................................................................... 177
4.6 Upgrade Firmware for Your Router ..................................................................................... 178
4.7 Request a certificate from a CA server on Windows CA Server ......................................... 180
4.8 Request a CA Certificate and Set as Trusted on Windows CA Server ............................... 184
5
Trouble Shooting ...........................................................................................187
5.1 Checking If the Hardware Status Is OK or Not.................................................................... 187
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ................. 187
5.3 Pinging the Router from Your Computer ............................................................................. 190
5.4 Checking If the ISP Settings are OK or Not ........................................................................ 191
5.5 Backing to Factory Default Setting If Necessary ................................................................ 193
5.6 Contacting Your Dealer ....................................................................................................... 193
iv Vigor2800 Series User's Guide