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DHCP Configuration .................................................................................................................................38
Filter Configuration ...................................................................................................................................42
Multiple Home Configuration....................................................................................................................47
Static ARP..................................................................................................................................................49
NAT Configuration....................................................................................................................................50
Telnet/Discovery Enable............................................................................................................................60
DNS Configuration....................................................................................................................................61
Radius Configuration.................................................................................................................................63
Multi-Link PPP Configuration...................................................................................................................63
Admin Configuration....................................................................................................................65
System Maintenance .....................................................................................................................66
System Status.............................................................................................................................................66
Statistics.....................................................................................................................................................67
Runtime Tables..........................................................................................................................................70
Log and Trace ............................................................................................................................................73
Diagnostic ..................................................................................................................................................77
Software Update.........................................................................................................................................80
System Restart............................................................................................................................................81
Factory Reset .............................................................................................................................................82
System Settings Backup/Restore................................................................................................................82
PROM S
YSTEM
C
ONFIGURATION
...................................................................85
System Configuration.................................................................................................................................85
TCP/IP Parameters Configuration..............................................................................................................86
System Reset..............................................................................................................................................86
Software Update.........................................................................................................................................87
EEPROM Factory Reset ............................................................................................................................88
Execute Bootload.......................................................................................................................................88
U
SING
T
ELNET
..............................................................................................90
Telnet Configuration.....................................................................................................................90
Using Telnet via LAN................................................................................................................................90
Using Telnet via ISDN...............................................................................................................................90
System Timeout .........................................................................................................................................91
U
SING
RADIUS A
UTHENTICATION
.................................................................92
Installing a RADIUS Server..........................................................................................................92
Configuring the DI-206 for RADIUS Authentication ...................................................................92
Adding Users to the RADIUS Database .......................................................................................93
A
PPENDIX
A - T
ROUBLESHOOTING
.................................................................94
Some Common Problems With the DI-206...................................................................................94
None of the LEDs are on when you power up the router...........................................................................94
Connecting the RS-232 cable, cannot access the console program............................................................94
Problems With the ISDN Line.......................................................................................................94
Problems with the LAN Interface..................................................................................................94
Can’t PING any station on the LAN..........................................................................................................94
A
PPENDIX
B - IP C
ONCEPTS
..........................................................................96
IP Addresses.................................................................................................................................96
IP Network Classes....................................................................................................................................96
Subnet Mask..................................................................................................................................97