Vigor2120 Series User’s Guide
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4.13.4 Online User Status...................................................................................................... 328
4.14 USB Application ................................................................................................................ 329
4.14.1 USB General Settings................................................................................................. 329
4.14.2 USB User Management.............................................................................................. 331
4.14.3 File Explorer................................................................................................................ 333
4.14.4 USB Device Status ..................................................................................................... 333
4.14.5 Modem Support List.................................................................................................... 335
4.14.6 SMB Client Support List.............................................................................................. 336
4.15 System Maintenance......................................................................................................... 337
4.15.1 System Status............................................................................................................. 337
4.15.2 TR-069........................................................................................................................ 339
4.15.3 Administrator Password.............................................................................................. 341
4.15.4 User Password ........................................................................................................... 341
4.15.5 Login Page Greeting................................................................................................... 344
4.15.6 Configuration Backup ................................................................................................. 346
4.15.7 Syslog/Mail Alert......................................................................................................... 349
4.15.8 Time and Date ............................................................................................................ 352
4.15.9 SNMP.......................................................................................................................... 354
4.15.10 Management............................................................................................................. 356
4.15.11 Self-Signed Certificate.............................................................................................. 359
4.15.12 Reboot System ......................................................................................................... 360
4.15.13 Firmware Upgrade.................................................................................................... 361
4.15.14 Activation .................................................................................................................. 362
4.16 Diagnostics........................................................................................................................ 364
4.16.1 Dial-out Triggering...................................................................................................... 364
4.16.2 Routing Table ............................................................................................................. 365
4.16.3 ARP Cache Table....................................................................................................... 366
4.16.4 IPv6 Neighbour Table................................................................................................. 366
4.16.5 DHCP Table................................................................................................................ 367
4.16.6 NAT Sessions Table................................................................................................... 368
4.16.7 DNS Cache Table....................................................................................................... 369
4.16.8 Ping Diagnosis............................................................................................................ 370
4.16.9 Data Flow Monitor....................................................................................................... 371
4.16.10 Traffic Graph............................................................................................................. 373
4.16.11 Trace Route.............................................................................................................. 374
4.16.12 System Explorer ....................................................................................................... 375
4.16.13 IPv6 TSPC Status..................................................................................................... 377
4.16.14 DoS Flood Table....................................................................................................... 377
Trouble Shooting......................................................................................379
5.1 Checking If the Hardware Status Is OK or Not.................................................................... 379
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ................. 380
5.3 Pinging the Router from Your Computer............................................................................. 383
5.4 Checking If the ISP Settings are OK or Not........................................................................ 384
5.5 Problems for 3G Network Connection ................................................................................ 384
5.6 Backing to Factory Default Setting If Necessary ................................................................ 385
5.7 Contacting DrayTek............................................................................................................. 387
Telnet Command Reference..........................................................................................389
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