Vigor2820 Series User’s Guide
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3.12.2 TR-069........................................................................................................................ 159
3.12.3 Administrator Password.............................................................................................. 160
3.12.4 Configuration Backup ................................................................................................. 160
3.12.5 Syslog/Mail Alert......................................................................................................... 162
3.12.6 Time and Date ............................................................................................................ 164
3.12.7 Management............................................................................................................... 165
3.12.8 Reboot System ........................................................................................................... 166
3.12.9 Firmware Upgrade...................................................................................................... 167
3.13 Diagnostics........................................................................................................................ 168
3.13.1 Dial-out Trigger........................................................................................................... 168
3.13.2 Routing Table ............................................................................................................. 169
3.13.3 ARP Cache Table....................................................................................................... 169
3.13.4 DHCP Table................................................................................................................ 170
3.13.5 NAT Sessions Table................................................................................................... 170
3.13.6 Ping Diagnosis............................................................................................................ 171
3.13.7 Data Flow Monitor....................................................................................................... 172
3.13.8 Traffic Graph............................................................................................................... 173
3.13.9 Trace Route................................................................................................................ 174
4
Application and Examples............................................................................175
4.1 Create a LAN-to-LAN Connection Between Remote Office and Headquarter ................... 175
4.2 Create a Remote Dial-in User Connection Between the Teleworker and Headquarter...... 182
4.3 QoS Setting Example.......................................................................................................... 186
4.4 LAN – Created by Using NAT ............................................................................................. 190
4.5 Calling Scenario for VoIP function ...................................................................................... 191
4.5.1 Calling via SIP Sever.................................................................................................... 191
4.5.2 Peer-to-Peer Calling ..................................................................................................... 194
4.6 Upgrade Firmware for Your Router..................................................................................... 195
4.7 Request a certificate from a CA server on Windows CA Server......................................... 197
4.8 Request a CA Certificate and Set as Trusted on Windows CA Server............................... 201
5
Trouble Shooting ...........................................................................................203
5.1 Checking If the Hardware Status Is OK or Not.................................................................... 203
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ................. 204
5.3 Pinging the Router from Your Computer............................................................................. 206
5.4 Checking If the ISP Settings are OK or Not........................................................................ 207
5.5 Problems for 3G Network Connection ................................................................................ 209
5.6 Backing to Factory Default Setting If Necessary ................................................................ 210
5.7 Contacting Your Dealer ........................................................................................................211
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