RX3141 User's Manual Revision 1.01 Oct. 21, 2004 Table of Contents Introduction ..............................................1 1 1.1 1.2 1.3 Features................................................................................................................1 System Requirements..........................................................................................1 Using this Document ............................................................................................2 1.3.1 1.3.2 1.3.3 Notational conventions...............................................................................2 Typographical conventions ........................................................................2 Special messages ......................................................................................2 2 Getting to Know RX3141 .........................3 2.1 2.2 2.3 Parts List ...............................................................................................................3 Hardware Features...............................................................................................3 Software Features ................................................................................................3 2.3.1 2.3.2 NAT Features .............................................................................................3 Firewall Features........................................................................................4 Stateful Packet Inspection .............................................................4 Packet Filtering ­ ACL (Access Control List)................................4 Defense against DoS Attacks........................................................4 Application Level Gateway (ALG) .................................................5 Log..................................................................................................5 2.3.2.1 2.3.2.2 2.3.2.3 2.4.1.1 2.4.1.2 2.4 Finding Your Way Around ....................................................................................6 2.4.1 2.4.2 2.4.3 Front Panel .................................................................................................6 Rear Panel..................................................................................................7 Bottom View ...............................................................................................8 2.5 Placement Options ...............................................................................................9 2.5.1 2.5.2 2.5.3 Desktop Placement....................................................................................9 Magnet Mount Instructions.........................................................................9 Wall Mount Instructions:.............................................................................9 3 Quick Start Guide...................................11 3.1 Part 1 -- Connecting the Hardware...................................................................11 3.1.1 3.1.2 3.1.3 3.1.4 3.2 Step 1. Connect an ADSL or a cable modem.........................................11 Step 2. Connect computers or a Network. ..............................................11 Step 3. Attach the AC adapter. ................................................................12 Step 4. Power on RX3141, the ADSL or cable modem and power up your computers.........................................................................................12 Part 2 -- Configuring Your Computers..............................................................13 ii 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.3 Before you begin ......................................................................................13 Windows® XP PCs: .................................................................................13 Windows® 2000 PCs:..............................................................................13 Windows® 95, 98, and Me PCs ..............................................................14 Windows® NT 4.0 workstations:..............................................................15 Assigning static IP addresses to your PCs .............................................15 Part 3 -- Quick Configuration of the RX3141....................................................16 3.3.1 3.3.2 3.3.3 Setting Up the RX3141 ............................................................................16 Testing Your Setup ..................................................................................17 Default Router Settings............................................................................18 4 Using the Configuration Manager ..........19 4.1 4.2 Log into the Configuration Manager...................................................................19 Functional Layout ...............................................................................................20 4.2.1 4.2.2 4.3 Menu Navigation ......................................................................................20 Commonly Used Buttons and Icons........................................................21 Overview of System Configuration.....................................................................22 5 Router Connection Setup.......................23 5.1 LAN Configuration ..............................................................................................23 5.1.1 5.1.2 5.1.3 5.2 LAN IP Address........................................................................................23 LAN Configuration Parameters................................................................23 Configuring the LAN IP Address..............................................................24 WAN Configuration.............................................................................................25 5.2.1 5.2.2 WAN Connection Mode ...........................................................................25 PPPoE ......................................................................................................26 WAN PPPoE Configuration Parameters.....................................27 Configuring PPPoE for WAN.......................................................28 Configuring PPPoE Multi-session for WAN ................................28 5.2.2.1 5.2.2.2 5.2.2.3 5.2.3 PPPoE Unnumbered................................................................................31 WAN PPPoE Unnumbered Configuration Parameters ..............32 Configuring PPPoE Unnumbered for WAN ................................33 5.2.3.1 5.2.3.2 5.2.4 Dynamic IP ...............................................................................................33 Configuring Dynamic IP for WAN................................................33 5.2.4.1 5.2.5 Static IP.....................................................................................................34 WAN Static IP Configuration Parameters ...................................34 Configuring Static IP for WAN .....................................................34 5.2.5.1 5.2.5.2 iii 6 DHCP Server Configuration...................35 6.1 DHCP (Dynamic Host Control Protocol)............................................................35 6.1.1 6.1.2 6.1.3 6.1.4 What is DHCP? ........................................................................................35 Why use DHCP?......................................................................................35 Configuring DHCP Server........................................................................35 Viewing Current DHCP Address Assignments .......................................37 7 Configuring Static Routes ......................39 7.1 Overview of IP Routes........................................................................................39 7.1.1 7.2 Do I need to define static routes? ............................................................39 Static Route ........................................................................................................40 7.2.1 7.2.2 7.2.3 7.2.4 Static Route Configuration Parameters...................................................40 Adding Static Routes................................................................................41 Deleting Static Routes..............................................................................42 Viewing the Static Routing Table.............................................................42 8 9 Configuring DDNS .................................43 8.1 8.2 DDNS Configuration Parameters.......................................................................44 Configuring HTTP DDNS Client.........................................................................45 Configuring Firewall/NAT Settings.........47 9.1 Firewall Overview ...............................................................................................47 9.1.1 9.1.2 9.1.3 Stateful Packet Inspection .......................................................................47 DoS (Denial of Service) Protection..........................................................47 Firewall and Access Control List (ACL)...................................................47 Priority Order of ACL Rule...........................................................47 ACL Rule and Connection State Tracking..................................48 9.1.3.1 9.1.3.2 9.1.4 9.2 Default ACL Rules....................................................................................48 Router Security Settings.....................................................................................49 9.2.1 9.2.2 Basic Router Security Configuration Parameters ...................................49 DoS Configuration....................................................................................49 DoS Protection Configuration Parameters..................................50 Configuring DoS Settings ............................................................51 9.2.2.1 9.2.2.2 9.3 ACL Rule Configuration Parameters .................................................................52 9.3.1 ACL Rule Configuration Parameters.......................................................52 9.4 Configuring Inbound ACL Rules ........................................................................55 9.4.1 Add Inbound ACL Rules ..........................................................................55 iv 9.4.2 9.4.3 9.4.4 9.5 Figure 9.4. Sample Inbound ACL List TableModify Inbound ACL Rules ..................................................................................................................56 Delete Inbound ACL Rules ......................................................................56 Display Inbound ACL Rules.....................................................................57 Configuring Outbound ACL Rules .....................................................................57 9.5.1 9.5.2 9.5.3 9.5.4 Add an Outbound ACL Rule ....................................................................57 Modify Outbound ACL Rules ...................................................................58 Delete Outbound ACL Rules ...................................................................59 Display Outbound ACL Rules..................................................................59 Self-Access ACL) ......59 9.6 Configuring Self-Access ACL Rules ­ (Router Setup 9.6.1 9.6.2 9.6.3 9.6.4 Add a Self-Access Rule ...........................................................................60 Modify a Self-Access Rule.......................................................................60 Delete a Self-Access Rule .......................................................................61 View Configured Self-Access Rules........................................................61 Log)................................................................61 9.7 Firewall Log ­ (Router Setup 9.7.1 Log Format ...............................................................................................62 10 Virtual Sever and Special Application....63 10.1 NAT Overview.....................................................................................................63 NAPT (Network Address and Port Translation) or PAT (Port Address Translation) ................................................................................................63 Reverse NAPT / Virtual Server................................................................64 10.1.1 10.1.2 10.2 Configure Virtual Server .....................................................................................64 Virtual Server Configuration Parameters.................................................64 Virtual Server Example ............................................................................66 Special Application Configuration Parameters........................................67 Special Application Example .................................................. ...