Asus RX3042H Manuale utente
RX3042H
User's Manual
Revision 0.8
May 12, 2005
2
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Table of Contents
1 Introduction ............................................................1
1.1 Features ....................................................................1
1.2 System Requirements ...............................................1
1.3 Using this Document .................................................2
1.3.1 Notational conventions ............................................... 2
1.3.2 Typographical conventions ......................................... 2
1.3.3 Special messages ...................................................... 2
2 Getting to Know RX3042H ....................................3
2.1 Parts List ...................................................................3
2.2 Hardware Features ....................................................3
2.3 Software Features .....................................................3
2.3.1 NAT Features ............................................................. 3
2.3.2 Firewall Features ........................................................ 4
2.3.2.1 Stateful Packet Inspection .................................. 4
2.3.2.2 Packet Filtering – ACL (Access Control List) ...... 4
2.3.2.3 Defense against DoS Attacks ............................. 5
2.3.2.4 Application Level Gateway (ALG) ....................... 6
2.3.2.5 Log ...................................................................... 6
2.4 Finding Your Way Around ..........................................7
2.4.1 Front Panel ................................................................. 7
2.4.2 Rear Panel ................................................................. 8
2.4.3 Bottom View ............................................................... 9
2.5 Placement Options ....................................................9
2.5.1 Desktop Placement .................................................... 9
2.5.2 Wall Mount Instructions: ............................................. 9
3 Quick Start Guide ................................................ 11
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3.1 Part 1 — Connecting the Hardware ........................11
3.1.1 Step 1. Connect an ADSL or a cable modem ............11
3.1.2 Step 2. Connect computers or a Network ................ 12
3.1.3 Step 3. Attach the AC adapter .................................. 12
3.1.4 Step 4. Power on RX3042H, the ADSL or cable
modem and power up your computers .................... 12
3.2 Part 2 — Configuring Your Computers ....................13
3.2.1 Before you begin ...................................................... 13
3.2.2 Windows® XP PCs: .................................................. 13
3.2.3 Windows® 2000 PCs: ............................................. 14
3.2.4 Windows® 95, 98, and ME PCs ............................... 15
3.2.5 Windows® NT 4.0 workstations: .............................. 16
3.2.6 Assigning static IP addresses to your PCs ............... 17
3.3 Part 3 — Quick Configuration of the RX3042H .......19
3.3.1 Setting Up the RX3042H .......................................... 19
3.3.2 Testing Your Setup ................................................... 21
3.3.3 Default Router Settings ............................................ 21
4 Using the Configuration Manager ......................23
4.1 Log into the Configuration Manager ........................23
4.2 Functional Layout ....................................................24
4.2.1 Menu Navigation ...................................................... 25
4.2.2 Commonly Used Buttons and Icons ......................... 25
4.3 Overview of System Configuration ..........................26
5 Router Setup ........................................................27
5.1 LAN Configuration ...................................................27
5.1.1 LAN IP Address ........................................................ 27
5.1.2 LAN Configuration Parameters ................................ 27
5.1.3 Configuring the LAN IP Address ............................... 28
5.2 WAN/DMZ Configuration .........................................29
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5.2.1 WAN Connection Mode ............................................ 29
5.2.2 PPPoE ...................................................................... 30
5.2.2.1 WAN PPPoE Configuration Parameters ........... 31
5.2.2.2 Configuring PPPoE for WAN ............................ 32
5.2.3 PPPoE Unnumbered ................................................ 33
5.2.3.1 WAN PPPoE Unnumbered Configuration
Parameters ....................................................... 34
5.2.3.2 Configuring PPPoE Unnumbered for WAN ...... 35
5.2.4 Dynamic IP ............................................................... 36
5.2.4.1 Configuring Dynamic IP for WAN ...................... 36
5.2.5 Static IP .................................................................... 37
5.2.5.1 WAN or DMZ Static IP Configuration Parameters 37
5.2.5.2 Configuring Static IP for WAN or DMZ .............. 38
5.2.6 PPTP ........................................................................ 39
5.2.6.1 WAN PPTP Configuration Parameters ............. 39
5.2.6.2 Configuring PPTP for WAN ............................... 41
5.3 WAN Load Balancing and Line Back Up ..................41
5.3.1 WAN Load Balancing and Line Back Up Configuration
Parameters .............................................................. 42
5.3.2 Setting Up WAN Load Balancing ............................ 43
5.3.3 Setting Up WAN Line Back Up ................................. 44
6 DHCP Server Configuration ................................45
6.1 DHCP (Dynamic Host Control Protocol) ..................45
6.1.1 What is DHCP? ........................................................ 45
6.1.2 Why use DHCP? ...................................................... 45
6.1.3 Configuring DHCP Server ........................................ 46
6.1.4 Viewing Current DHCP Address Assignments ......... 48
6.1.5 Fixed DHCP Lease ................................................... 48
6.1.5.1 Access Fixed DHCP Configuration Page –
(Advanced ->DHCP Server) ............................. 48
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6.1.5.2 Add a Fixed DHCP Lease ................................. 49
6.1.5.3 Delete a Fixed DHCP Lease ............................. 49
6.1.5.4 Viewing Fixed DHCP Lease Table .................... 49
6.2 DNS .........................................................................50
6.2.1 About DNS .............................................................. 50
6.2.2 Assigning DNS Addresses ....................................... 50
6.2.3 Configuring DNS Relay ............................................ 51
7 Routing .................................................................53
7.1 Overview of IP Routes .............................................53
7.1.1 Do I need to define static routes? ............................ 53
7.2 Dynamic Routing using RIP (Routing Information
Protocol) ..................................................................54
7.2.1 RIP Configuration Parameters ................................. 54
7.2.2 Configuring RIP ........................................................ 55
7.3 Static Route .............................................................56
7.3.1 Static Route Configuration Parameters .................... 56
7.3.2 Adding Static Routes ................................................ 57
7.3.3 Deleting Static Routes .............................................. 58
7.3.4 Viewing the Static Routing Table .............................. 58
8 Configuring DDNS ...............................................59
8.1 DDNS Configuration Parameters ............................60
8.2 Configuring HTTP DDNS Client ..............................60
9 Configuring Firewall and NAT ............................63
9.1 Firewall Overview ....................................................63
9.1.1 Stateful Packet Inspection ........................................ 63
9.1.2 DoS (Denial of Service) Protection .......................... 64
9.1.3 Firewall and Access Control List (ACL) .................... 64
9.1.3.1 Priority Order of ACL Rule ................................ 64
9.1.3.2 Tracking Connection State ................................ 64
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9.1.4 Default ACL Rules .................................................... 64
9.2 NAT Overview ..........................................................65
9.2.1 NAPT (Network Address and Port Translation) or PAT
(Port Address Translation) ......................................... 65
9.2.2 Reverse NAPT / Virtual Server ................................. 67
9.3 Firewall Settings – (Firewall/NAT ->Settings) ..........67
9.3.1 Firewall Options ....................................................... 67
9.3.2 DoS Configuration .................................................... 67
9.3.2.1 DoS Protection Configuration Parameters ........ 68
9.3.2.2 Configuring DoS Settings ................................. 70
9.4 ACL Rule Configuration Parameters .......................70
9.4.1 ACL Rule Configuration Parameters ........................ 70
9.5 Configuring ACL Rules – (Firewall ->ACL) ..............74
9.5.1 Add an ACL Rule ...................................................... 75
9.5.2 Modify an ACL Rule .................................................. 76
9.5.3 Delete an ACL Rule .................................................. 77
9.5.4 Display ACL Rules .................................................... 77
9.6 Configuring Self-Access ACL Rules –(Firewall/NAT
->Self-Access ACL) .................................................77
9.6.1 Add a Self-Access Rule ............................................ 78
9.6.2 Modify a Self-Access Rule ....................................... 79
9.6.3 Delete a Self-Access Rule ....................................... 79
9.6.4 View Configured Self-Access Rules ......................... 80
9.7 Configure Virtual Server ..........................................80
9.7.1 Virtual Server Configuration Parameters .................. 80
9.7.2 Virtual Server Example 1 – Web Server ................... 83
9.7.3 Virtual Server Example 2 – FTP Server ................... 85
9.8 Configure Special Application ..................................85
9.8.1 Special Application Configuration Parameters ......... 86
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9.8.2 Special Application Example .................................... 87
10 System Management .........................................89
10.1 Configure System Services ...................................89
10.2 Login Password and System Settings ...................90
10.2.1 Changing Password ............................................... 90
10.2.2 Configure System Settings ..................................... 91
10.3 Viewing System Information ..................................91
10.4 Setup Date and Time .............................................92
10.4.1 View the System Date and Time ............................ 93
10.5 SNMP Setup ..........................................................94
10.5.1 SNMP Configuration Parameters ........................... 94
10.5.2 Configuring SNMP .................................................. 94
10.6 Log Setup ...............................................................95
10.6.1 Setting Up Remote Logging Using a Syslog Server .. 95
10.6.2 View the System Log .............................................. 96
10.7 System Configuration Management ......................95
10.7.1 Restore System Configuration to Factory Default
Settings .................................................................. 96
10.7.2 Backup System Configuration ................................ 98
10.7.3 Restore System Configuration ............................... 99
10.8 Firmware Upgrade ...............................................101
10.9 Restart System ....................................................103
10.10 Logout Configuration Manager ...........................104
11 IP Addresses, Network Masks, and Subnets 105
11.1 IP Addresses ........................................................105
11.1.1 Structure of an IP address .................................... 105
11.2 Network classes ..................................................106
11.3 Subnet masks ......................................................107
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12 Troubleshooting ..............................................109
12.1 Diagnosing Problem using IP Utilities ................. 111
12.1.1 ping .......................................................................111
12.1.2 nslookup ................................................................112
13 Index ................................................................. 115
List of Figures
Figure 2.1 Front Panel LEDs .......................................................... 7
Figure 2.2 Rear Panel Connectors ................................................. 8
Figure 3.1 Overview of Hardware Connections ............................ 12
Figure 3.2 Login Screen ............................................................... 19
Figure 3.3 System Status Page .................................................... 20
Figure 4.1 Configuration Manager Login Screen ......................... 24
Figure 4.2 Typical Configuration Manager Page .......................... 25
Figure 4.3 System Status Page .................................................... 26
Figure 5.1 Network Setup Configuration – LAN Configuration ..... 28
Figure 5.2 Network Setup Configuration Page – WAN Configura-
tion .............................................................................. 30
Figure 5.3 WAN – PPPoE Configuration ...................................... 30
Figure 5.4 WAN – PPPoE Unnumbered Configuration ................ 33
Figure 5.5 WAN – Dynamic IP (DHCP client) Configuration ........ 36
Figure 5.6 WAN – Static IP Configuration .................................... 37
Figure 5.7 WAN – PPTP Configuration ........................................ 40
Figure 5.8 Load Balancing Configuration ..................................... 43
Figure 6.1 DHCP Server Configuration Page ............................... 46
Figure 6.2 DHCP Lease Table ...................................................... 48
Figure 6.3 Fixed DHCP Lease Configuration Page ...................... 49
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Figure 7.1 RIP Configuration Page .............................................. 54
Figure 7.2 Static Route Configuration Page ................................ 56
Figure 7.3 Static Route Configuration ......................................... 57
Figure 7.4 Sample Routing Table ................................................ 58
Figure 8.1 Network Diagram for HTTP DDNS .............................. 59
Figure 8.2 HTTP DDNS Configuration Page ................................ 60
Figure 9.1 NAPT – Map Any Internal PCs to a Single Global IP
Address ....................................................................... 66
Figure 9.2 Reverse NAPT – Relayed Incoming Packets to the
Internal Host Base on the Protocol, Port Number or
IP Address ................................................................... 66
Figure 9.3 Firewall General Configuration Page .......................... 70
Figure 9.4 ACL Configuration Page .............................................. 75
Figure 9.5 ACL Configuration Example ........................................ 76
Figure 9.6 Sample ACL List Table ................................................ 76
Figure 9.7 Self-Access ACL Configuration Page .......................... 78
Figure 9.8 Self-Access ACL Configuration Example .................... 79
Figure 9.9 Virtual Server Configuration Page ............................... 80
Figure 9.10 Virtual Server Deployment Topology ......................... 83
Figure 9.11 Virtual Server Example 1 – Web Server .................... 84
Figure 9.12 Adding a New Service ............................................... 84
Figure 9.13 Virtual Server Example 2 – FTP Server .................... 85
Figure 9.14 Special Application Configuration Page .................... 87
Figure 10.1 System Services Configuration Page ........................ 89
Figure 10.2 System Administration Configuration Page ............... 90
Figure 10.3 System Information Page .......................................... 92
Figure 10.4 Time Zone Configuration Page ................................. 93
Figure 10.5 SNMP Configuration Page ........................................ 95
Figure 10.6 Syslog Server Configuration ..................................... 95
Figure 10.7 Sample Log ............................................................... 96
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