Table Of Contents
Introduction......................................................................................................................................91
ADSL Fundamentals....................................................................................................................91
PPPoE/Bridged Mode Fundamentals...........................................................................................91
Authentication, Addresses and DNS Servers .........................................................................92
PPPoE MTU Issues ...............................................................................................................92
Bridged Mode...........................................................................................................................92
Location Of Interfaces And Labeling......................................................................................92
LED Designations ...................................................................................................................92
ADSL Configuration .......................................................................................................................93
ADSL Network Interfaces...........................................................................................................93
Editing A Logical Interface (PPPoE) ..........................................................................................94
Editing A Logical Interface (Bridged) ........................................................................................95
ADSL Statistics............................................................................................................................96
Current Routes & Interface Table................................................................................................96
Upgrading Software ....................................................................................................................96
Chapter 10 – Configuring PPP and Modem........................................................................................97
Introduction......................................................................................................................................97
Modem Fundamentals..................................................................................................................97
PPP Mode Fundamentals.............................................................................................................97
Authentication, Addresses and DNS Servers .........................................................................97
When the Modem Connects.....................................................................................................97
LED Designations....................................................................................................................97
Modem Main Menu ........................................................................................................................98
Modem Configuration .................................................................................................................98
Modem PPP Client Connections...............................................................................................100
Modem PPP Client ....................................................................................................................100
Modem PPP Server....................................................................................................................101
Modem Incoming Call Logs .....................................................................................................102
Modem PPP Logs .....................................................................................................................102
Modem PPP Connection Logs ..................................................................................................103
Current Routes & Interface Table..............................................................................................103
Chapter 11 – Configuring The Firewall.............................................................................................105
Introduction....................................................................................................................................105
Firewall Fundamentals ..............................................................................................................105
Stateless vs Stateful Firewalls...............................................................................................105
Linux® netfilter, iptables And The Shoreline Firewall ........................................................105
Network Address Translation................................................................................................106
Port Forwarding.....................................................................................................................107
Shorewall Quick Setup..............................................................................................................107
ShoreWall Terminology And Concepts.....................................................................................108
Zones......................................................................................................................................108
Interfaces................................................................................................................................108
Hosts.......................................................................................................................................109
Policy.....................................................................................................................................109
Masquerading And SNAT......................................................................................................110
Rules......................................................................................................................................111
Configuring The Firewall And VPN..........................................................................................113
Route Based Virtual Private Networking..............................................................................113
Policy Based Virtual Private Networking..............................................................................113
RuggedCom 9