5
4.4 Advanced Setup...........................................................................54
4.4.1 Firewall.............................................................................54
4.4.2 Routing.............................................................................54
4.4.3 NAT .................................................................................56
4.4.4 QoS ...............................................................................61
4.4.5 VLAN................................................................................63
4.4.6 ADSL ................................................................................65
4.5 Access Management....................................................................67
4.5.1 ACL ..................................................................................67
4.5.2
IP Filter.............................................................................69
4.5.3
SNMP...............................................................................74
4.5.4
UPnP................................................................................74
4.5.5
DDNS................................................................................76
4.5.6
CWMP...............................................................................77
4.6 Maintenance.................................................................................79
4.6.1 Administration...................................................................79
4.6.2
Time Zone........................................................................79
4.6.3
Firmware...........................................................................81
4.6.4
System Restart.................................................................82
4.6.5
Diagnostic.........................................................................83
4.7
Status............................................................................................84
4.7.1
Device Info........................................................................84
4.7.2
System Log.......................................................................87
4.7.3
Statistics...........................................................................88
Chapter 5 Troubleshooting......................................................................89
5.1 Using LEDs to Diagnose Problems..............................................89