User`s guide

Vigor2800 Series User’s Guide
iv
3.12.5 Wireless Rate Control................................................................................................. 142
3.13 System Maintenance......................................................................................................... 143
3.13.1 System Status............................................................................................................. 143
3.13.2 Administrator Password.............................................................................................. 144
3.12.3 Configuration Backup ................................................................................................. 144
3.13.4 Syslog/Mail Alert......................................................................................................... 146
3.13.5 Time and Date ............................................................................................................ 148
3.13.6 Management............................................................................................................... 149
3.13.7 Reboot System ........................................................................................................... 150
3.13.8 Firmware Upgrade...................................................................................................... 151
3.14 Diagnostics........................................................................................................................ 152
3.14.1 WAN Connection ........................................................................................................ 152
3.14.2 Dial-out Trigger........................................................................................................... 153
3.14.3 Routing Table ............................................................................................................. 153
3.14.4 ARP Cache Table....................................................................................................... 154
3.14.5 DHCP Table................................................................................................................ 154
3.14.6 NAT Sessions Table................................................................................................... 155
3.14.7 ADSL Spectrum Analysis............................................................................................ 156
3.14.8 Wireless VLAN Online Station Table.......................................................................... 157
3.14.9 Ping Diagnosis............................................................................................................ 157
3.14.10 Data Flow Monitor..................................................................................................... 158
3.14.11 Trace Route.............................................................................................................. 159
4
Application and Examples............................................................................161
4.1 Create a LAN-to-LAN Connection Between Remote Office and Headquarter ................... 161
4.2 Create a Remote Dial-in User Connection Between the Teleworker and Headquarter...... 168
4.3 QoS Setting Example.......................................................................................................... 172
4.4 LAN – Created by Using NAT ............................................................................................. 174
4.5 Calling Scenario for VoIP function ...................................................................................... 177
4.5.1 Calling via SIP Sever.................................................................................................... 177
4.5.2 Peer-to-Peer Calling ..................................................................................................... 179
4.6 Upgrade Firmware for Your Router ..................................................................................... 180
4.7 Request a certificate from a CA server on Windows CA Server......................................... 182
4.8 Request a CA Certificate and Set as Trusted on Windows CA Server............................... 186
5
Trouble Shooting ...........................................................................................189
5.1 Checking If the Hardware Status Is OK or Not.................................................................... 189
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ................. 189
5.3 Pinging the Router from Your Computer............................................................................. 192
5.4 Checking If the ISP Settings are OK or Not........................................................................ 193
5.5 Problems for 3G Network Connection ................................................................................ 195
5.6 Backing to Factory Default Setting If Necessary ................................................................ 195
5.7 Contacting Your Dealer ....................................................................................................... 196