Draytek Vigor3900 Series User Manual page 7

4.11.5 Sessions Limit....................................................................................................................267
4.11.6 Bandwidth Limit .................................................................................................................269
4.12 System Maintenance.............................................................................................................. 272
4.12.1 TR-069 .............................................................................................................................272
4.12.2 Administrator Password.....................................................................................................273
4.12.3 Configuration Backup ........................................................................................................274
4.12.4 Syslog / Mail Alert ..............................................................................................................276
4.12.5 Time and Date ...................................................................................................................279
4.12.6 Access Control...................................................................................................................280
4.12.7 SNMP Setup ......................................................................................................................281
4.12.8 Reboot System ..................................................................................................................282
4.12.9 Firmware Upgrade .............................................................................................................283
4.13 Diagnostics............................................................................................................................. 284
4.13.1 Routing Table ....................................................................................................................284
4.13.2 ARP Cache Table ..............................................................................................................286
4.13.3 DHCP Table.......................................................................................................................288
4.13.4 NAT Session Table............................................................................................................289
4.13.5 Traffic Graph......................................................................................................................290
4.13.6 Web Console .....................................................................................................................292
4.13.7 Ping/Trace Route...............................................................................................................292
4.13.8 Data Flow Monitor..............................................................................................................293
4.14 External Devices .................................................................................................................... 294
4.15 Product Registration............................................................................................................... 295
Chapter 5: Trouble Shooting.........................................................................................297
5.1 Checking If the Hardware Status Is OK or Not......................................................................... 297
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ...................... 298
5.3 Pinging the Router from Your Computer .................................................................................. 300
5.4 Checking If the ISP Settings are OK or Not ............................................................................. 301
5.5 Backing to Factory Default Setting If Necessary...................................................................... 302
5.6 Contacting Your Dealer ............................................................................................................ 303
Vigor3900 Series User's Guide vii