RX3041H User's Manual Revision 1.3 Aug. 19, 2004 ii Table of Contents 1 Introduction ..............................................1 1.1 1.2 1.3 Features................................................................................................................1 System Requirements..........................................................................................1 Using this Document ............................................................................................1 1.3.1 1.3.2 1.3.3 Notational conventions...............................................................................1 Typographical conventions ........................................................................1 Special messages ......................................................................................2 2 Getting to Know the RX3041H.................3 2.1 2.2 2.3 2.4 Parts List ...............................................................................................................3 Front Panel ...........................................................................................................3 Rear Panel............................................................................................................4 Major Features......................................................................................................4 2.4.1 Firewall and NAT Features ........................................................................4 Address Sharing and Management ..............................................5 ACL (Access Control List) .............................................................5 Stateful Packet Inspection .............................................................5 Defense against DoS Attacks........................................................6 Application Command Filtering .....................................................6 Application Level Gateway (ALG) .................................................7 URL Filtering ..................................................................................7 Log and Alerts................................................................................7 Remote Access..............................................................................7 2.4.1.1 2.4.1.2 2.4.1.3 2.4.1.4 2.4.1.5 2.4.1.6 2.4.1.7 2.4.1.8 2.4.1.9 3 Quick Start Guide.....................................9 3.1 Part 1 -- Connecting the Hardware.....................................................................9 3.1.1 3.1.2 3.1.3 3.1.4 3.2 Step 1. Connect an ADSL or a cable modem...........................................9 Step 2. Connect computers or a LAN........................................................9 Step 3. Attach the AC adapter. ..................................................................9 Step 4. Turn on the RX3041H, the ADSL or cable modem and power up your computers.........................................................................................10 Part 2 -- Configuring Your Computers..............................................................11 3.2.1 Before you begin ......................................................................................11 iii 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.3 Windows® XP PCs: .................................................................................11 Windows® 2000 PCs:..............................................................................11 Windows® 95, 98, and Me PCs ..............................................................12 Windows® NT 4.0 workstations:..............................................................12 Assigning static IP addresses to your PCs .............................................13 Part 3 -- Quick Configuration of the RX3041H.................................................13 3.3.1 3.3.2 3.3.3 3.3.4 Buttons Used in Setup Wizard.................................................................14 Setting Up the RX3041H..........................................................................14 Testing Your Setup ..................................................................................20 Default Router Settings............................................................................20 4 Getting Started with the Configuration Manager.................................................21 4.1 4.2 Log into the Configuration Manager ..................................................................21 Functional Layout ...............................................................................................22 4.2.1 4.2.2 4.3 Setup Menu Navigation Tips....................................................................22 Commonly Used Buttons and Icons........................................................22 Overview of System Configuration ....................................................................23 5 Configuring LAN Settings.......................25 5.1 LAN IP Address ..................................................................................................25 5.1.1 5.1.2 5.2 LAN IP Configuration Parameters ...........................................................25 Configuring the LAN IP Address..............................................................25 DHCP (Dynamic Host Control Protocol)............................................................26 5.2.1 Introduction...............................................................................................26 What is DHCP?............................................................................26 Why use DHCP?..........................................................................26 5.2.1.1 5.2.1.2 5.2.2 DHCP Server Configuration.....................................................................27 DHCP Configuration Parameters................................................27 Configuring DHCP Server ...........................................................27 Viewing Existing IP Address Lease.............................................28 5.2.2.1 5.2.2.2 5.2.2.3 5.2.3 Fixed DHCP Lease ..................................................................................28 Fixed DHCP Lease Configuration Parameters...........................28 Add a Fixed DHCP Lease ...........................................................29 Delete a Fixed DHCP Lease .......................................................29 5.2.3.1 5.2.3.2 5.2.3.3 iv 5.2.3.4 5.3 Viewing Fixed DHCP Lease Table..............................................29 DNS.....................................................................................................................29 5.3.1 5.3.2 5.3.3 About DNS................................................................................................29 Assigning DNS Addresses.......................................................................30 Configuring DNS Relay............................................................................30 5.4 Viewing LAN Statistics........................................................................................31 6 Configuring WAN Settings .....................33 6.1 6.2 WAN Connection Mode......................................................................................33 PPPoE ................................................................................................................33 6.2.1 6.2.2 6.3 WAN PPPoE Configuration Parameters .................................................33 Configuring PPPoE for WAN ...................................................................35 Dynamic IP..........................................................................................................36 6.3.1 6.3.2 WAN Dynamic IP Configuration Parameters ..........................................36 Configuring Dynamic IP for WAN ............................................................36 6.4 Static IP...............................................................................................................37 6.4.1 6.4.2 WAN Static IP Configuration Parameters ...............................................37 Configuring Static IP for WAN .................................................................37 6.5 Viewing WAN Statistics ......................................................................................38 7 Configuring Routes ................................41 7.1 Overview of IP Routes........................................................................................41 7.1.1 7.2 Do I need to define IP routes? .................................................................41 Dynamic Routing using RIP (Routing Information Protocol).............................41 7.2.1 7.2.2 7.3 Dynamic Routing (RIP) Configuration Parameters.................................41 Configuring RIP ........................................................................................42 Static Routing......................................................................................................43 7.3.1 7.3.2 7.3.3 7.3.4 Static Route Configuration Parameters...................................................43 Adding a Static Route ..............................................................................43 Deleting a Static Route ............................................................................43 Viewing the Routing Table.......................................................................44 8 Configuring DDNS .................................45 8.1 8.2 DDNS Configuration Parameters.......................................................................46 Configuring RFC-2136 DDNS Client .................................................................47 v 8.3 8.4 Configuring HTTP DDNS Client.........................................................................48 Configuring Local Host Table.............................................................................48 8.4.1.1 8.4.1.2 8.4.1.3 8.4.1.4 Add a Host Table Entry ...............................................................49 Modify a Host Table Entry ...........................................................49 Delete a Host Table Entry ...........................................................49 View the Host Table.....................................................................49 9 Configuring Firewall/NAT Settings.........51 9.1 Firewall Overview ...............................................................................................51 9.1.1 9.1.2 9.1.3 Stateful Packet Inspection .......................................................................51 DoS (Denial of Service) Protection..........................................................51 Firewall and Access Control List (ACL)...................................................51 Priority Order of ACL Rule...........................................................51 Tracking Connection State ..........................................................52 9.1.3.1 9.1.3.2 9.1.4 9.2 Default ACL Rules....................................................................................52 NAT Overview.....................................................................................................52 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 Static (One to One) NAT..........................................................................52 Dynamic NAT ...........................................................................................53 NAPT (Network Address and Port Translation) or PAT (Port Address Translation)...............................................................................................54 Reverse Static NAT..................................................................................55 Reverse NAPT / Virtual Server................................................................55 9.3 9.4 ACL Rule Configuration Parameters .................................................................55 Configuring Inbound ACL Rules ........................................................................57 9.4.1 9.4.2 9.4.3 9.4.4 Add an Inbound ACL Rule .......................................................................58 Modify an Inbound ACL Rule...................................................................58 Delete an Inbound ACL Rule...................................................................59 Display Existing Inbound ACL Rules.......................................................59 9.5 Configuring Outbound ACL Rules .....................................................................59 9.5.1 9.5.2 9.5.3 9.5.4 Add an Outbound ACL Rule ....................................................................59 Modify an Outbound ACL Rule................................................................60 Delete an Outbound ACL Rule ................................................................60 Display Existing Outbound ACL Rules....................................................61 9.6 Configuring UR ...