D-Link DSR-250N User Manual page 6

Unified Services Router
9.1 Configuration Access Control ......................................................................... 118
9.1.1 Remote Management ...................................................................................... 118
9.1.2 CLI Access ....................................................................................................... 119
9.2 SNMP Configuration ........................................................................................ 119
9.3 Configuring Time Zone and NTP .................................................................... 121
9.4 Log Configuration ............................................................................................. 122
9.4.1 Defining What to Log ....................................................................................... 122
9.4.2 Sending Logs to E-mail or Syslog................................................................... 126
9.4.3 Event Log Viewer in GUI ................................................................................. 128
9.5 Backing up and Restoring Configuration Settings ......................................... 129
9.6 Upgrading Router Firmware ............................................................................ 130
9.7 Dynamic DNS Setup ........................................................................................ 131
9.8 Using Diagnostic Tools .................................................................................... 132
9.8.1 Ping ................................................................................................................... 133
9.8.2 Trace Route ...................................................................................................... 133
9.8.3 DNS Lookup ..................................................................................................... 134
9.8.4 Router Options ................................................................................................. 134
Chapter 10. Router Status and Statistics ........................................................................................ 135
10.1 System Overview ............................................................................................. 135
10.1.1 Device Status ................................................................................................... 135
10.1.2 Resource Utilization ......................................................................................... 137
10.2 Traffic Statistics ................................................................................................ 140
10.2.1 Wired Port Statistics ........................................................................................ 140
10.2.2 Wireless Statistics ............................................................................................ 141
10.3 Active Connections .......................................................................................... 142
10.3.1 Sessions through the Router........................................................................... 142
10.3.2 Wireless Clients ............................................................................................... 144
10.3.3 LAN Clients....................................................................................................... 144
10.3.4 Active VPN Tunnels ......................................................................................... 145
Chapter 11. Trouble Shooting .......................................................................................................... 147
11.1 Internet connection .......................................................................................... 147
11.2 Date and time ................................................................................................... 149
11.3 Pinging to Test LAN Connectivity ................................................................... 149
11.3.1 Testing the LAN path from your PC to your router ........................................ 149
11.3.2 Testing the LAN path from your PC to a remote device ............................... 150
11.4 Restoring factory-default configuration settings ............................................ 151
Chapter 12. Credits ........................................................................................................................... 153
Appendix A. Glossary ........................................................................................................................ 154
Appendix B. Factory Default Settings .............................................................................................. 157
Appendix C. Standard Services Available for Port Forwarding & Firewall Configuration ............. 158
Appendix D. Log Output Reference.................................................................................................. 159
Appendix E. RJ-45 Pin-outs .............................................................................................................. 213
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User Manual