4100/4200 Router User’s Guide Contents
Dynamic DNS ................................................................................................................................37
CONFIGURING SECURITY FEATURES...................................................................................................38
Admin User ....................................................................................................................................39
Time Client..........................................................................................................................................40
NAT/NAPT Server...............................................................................................................................41
Firewall................................................................................................................................................42
Level ..............................................................................................................................................43
Snooze...........................................................................................................................................44
DMZ ...............................................................................................................................................45
Filter Rules.....................................................................................................................................46
Log.......................................................................................................................................................52
ADS......................................................................................................................................................53
MONITORING ROUTER HEALTH.............................................................................................................55
Status and Statistics..........................................................................................................................55
System Summary ..........................................................................................................................56
System Log....................................................................................................................................56
Diagnostics.........................................................................................................................................59
Tools....................................................................................................................................................60
Interface Map.................................................................................................................................60
Reboot ...........................................................................................................................................61
Update ...........................................................................................................................................62
TROUBLESHOOTING................................................................................................................................63
Basic Troubleshooting Steps...........................................................................................................63
Interpreting the LED Display.............................................................................................................64
Resolving Specific Issues.................................................................................................................65
POST Failure (red pwr LED)..........................................................................................................65
Contacting Technical Support..........................................................................................................66
FIREWALL SECURITY LEVELS ...............................................................................................................67
ii