iv
CHAPTER 9 NAT ...............................................................................35
9.1 Multiple to One ............................................................................. 36
9.2 One to One NAT............................................................................ 37
9.3 Multi-NAT .................................................................................... 38
9.4 Virtual Server............................................................................... 40
CHAPTER 10 DHCP ...........................................................................41
10.1 DHCP Server ............................................................................. 41
10.2 DHCP Relay ............................................................................... 42
CHAPTER 11 DNS PROXY..................................................................43
CHAPTER 12 IGMP ...........................................................................44
CHAPTER 13 MAINTENANCE AND DIAGNOSTICS ..............................46
13.1.1 Software Upgrade and Configuration Backup /Restoration.............. 46
13.2 OAM Loopback........................................................................... 50
13.3 Ping ......................................................................................... 51
13.4 Performance Monitoring .............................................................. 52
13.5 System statistics........................................................................ 52
13.6 TCP-IP statistics ......................................................................... 53
13.7 Interface Monitor ....................................................................... 54
CHAPTER 14 APPLICATION EXAMPLE ...............................................55
14.1 Adding the Static Route (Web) ..................................................... 55
CHAPTER 15 MONITORING THE DEVICE ...........................................57
15.1 Monitoring the SHDSL Line .......................................................... 57
15.2 Performance statistics................................................................. 58
CHAPTER 16 CONSOLE ACCESS ........................................................60
16.1.1 Login ..................................................................................... 60
16.1.2 Keyboard Operations................................................................ 62
16.1.3 Motoring the SHDSL Line Status ................................................ 65
16.1.4 Password Setup....................................................................... 65
16.1.5 Retrieve the Factory Default Settings.......................................... 66
16.1.6 Disable the Web Browser .......................................................... 66
16.1.7 Save the Configurations ........................................................... 67
CHAPTER 17 TELNET ACCESS ...........................................................68
17.1 Setting a Common IP Address...................................................... 68
