Asus Router RX3141 User Manual

RX3141 User’s Manual Chapter 1. Introduction 
1 Introduction 
Congratulations on becoming the owner of RX3141. Your LAN (local area network) will now be able to access 
the Internet using your high-speed broadband connection such as those with ADSL or cable modem. 
This User Manual will show you how to set up the RX3141, and how to customize its configuration to get the 
most out of this product. 
1.1 Features 
f  LAN: 4-port Gigabit switch, jumbo frame supports up to 9Kbyte. 
f  WAN: 10/100Base-T...

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1.3  Using this Document 
1.3.1 Notational conventions 
f  Acronyms are defined the first time they appear in the text. 
f  For brevity, RX3141 is sometimes referred to as the “router” or the ”gateway”. 
f The terms LAN and network are used interchangeably to refer to a group of Ethernet-connected 
computers at one site. 
f  Sequence of mouse actions is denoted by the “Δ character. For instance, Router Setup Î 
Connection means double click the Router...

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2 Getting to Know RX3141 
2.1 Parts List 
In addition to this document,  RX3141 should come with the following: 
f  The System unit, RX3141 
f AC Adapter 
f User Manual 
f  Compact Disk of Multi-language Quick installation Guide 
2.2 Hardware Features 
f LAN 
• 4-port Gigabit switch 
•  Auto speed negotiation 
•  9KB jumbo frame support 
•  4K MAC address table w/ auto learning and aging 
f WAN 
• 10/100M Ethernet 
•   Auto MDI/MDIX 
2.3 Software...

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2.3.2 Firewall Features 
The firewall as implemented in RX3141 provides the following features to protect your network from being 
attacked and to prevent your network from being used as the springboard for attacks. 
f  Stateful Packet Inspection 
f Packet Filtering (ACL) 
f  Defense against Denial of Service Attacks 
f Log 
2.3.2.1 Stateful Packet Inspection 
The RX3141 Firewall uses “stateful packet inspection” that extracts state-related information...

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Table 2.1. DoS Attacks 
Type of Attack  Name of Attacks 
Re-assembly attacks Bonk, Boink, Teardrop (New Tear), Overdrop, 
Opentear, Syndrop, Jolt, IP fragmentation overlap 
ICMP Attacks  Ping of Death, Smurf, Twinge 
Flooders Logging only for ICMP Flooder, UDP Flooder, SYN 
Flooder 
Port Scans Logging only for TCP SYN Scan  
Attack packets dropped: TCP XMAS Scan, TCP Null 
Scan, TCP Stealth Scan 
Protection with PF Rules  Echo-Chargen, Ascend Kill...

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2.4 Finding Your Way Around 
2.4.1 Front Panel 
The front panel contains LED indicators that show the status of the unit. 
 
Figure 2.1. Front Panel LEDs 
 
 Table 2.2. Front Panel Label and LEDs 
 LED Label Color Status Indication 
○1 POWER Green ON 
OFF RX3141 is powered on 
RX3141 is powered off 
○2 1 – 4   Identifies the LAN port LEDs. Status of 
each LAN port is indicated by 3 LEDs: 
STATUS, SPEED and DUPLEX. 
○3 STATUS Green  ON 
Blinking 
 
OFF...

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 LED Label Color Status Indication 
Amber ON 
Blinking Speed is 10Mbps 
Data is transmitted or received via the 
connection 
  OFF  No link is established. 
○5 DUPLEX Amber ON 
 
OFF The LAN port is operating in full-duplex 
mode. 
The LAN port is operating in half 
duplex mode and no collision is 
detected. 
2.4.2 Rear Panel 
The rear panel contains the ports for the units data and power connections. 
 
Figure 2.2. Rear Panel Connectors 
 
Table 2.3....

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2.4.3 Bottom View 
 
○
11 Wall Mount Slots: You may use these slots to hang RX3141 on the wall to save space. Depending on your 
particular requirement by taking into account the location of the power outlet, power cord length, Ethernet 
cable length and etc., you can hang RX3141 in 4 different orientations: front panel up, rear panel up, left 
side up or right side up. 
○
12 Magnets: The magnets allow you to place RX3141 on any metal surface to save...

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2.5 Placement Options 
Depending on your environment, you may choose one of the three supported placement options for RX3141 – 
desktop placement, magnet mount and wall mount. 
2.5.1 Desktop Placement 
You may place RX3141 on any flat surface. The space-saving design of RX3141 occupies only a small area 
on your desk. 
2.5.2  Magnet Mount Instructions 
Place RX3141 onto any metal surface that attracts magnet, such as most desktop computer housings,...