Asus Router RX3042H User Manual

ix
RX3042H User's Manual Introduction
Figure 10.8 Factory Reset Page  ..................................................97
Figure 10.9 Factory Reset Confirmation ......................................
97
Figure 10.10 Factory Reset Count Down Timer ...........................
97
Figure 10.11 Backup System Configuration Page  ........................
98
Figure 10.12 Restore System Configuration Page  .......................
99
Figure 10.13 Selecting System Configuration from the File Manager...

x
Introduction RX3042H User's Manual

Table 5.1 LAN Configuration Parameters .....................................28
Table 5.2 WAN PPPoE Configuration Parameters  .......................
31
Table 5.3 WAN PPPoE Unnumbered Configuration Parameters  .
34
Table 5.4 WAN Static IP Configuration Parameters  .....................
37
Table 5.5 WAN PPTP Configuration Parameters  .........................
39
Table 5.6 WAN Load Balancing and Line Back Up Configuration...

1
RX3042H User's Manual Introduction

Chapter 1  Introduction
Congratulations  on  becoming  the  owner  of  RX3042H.  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's  Manual  will  show  you  how  to  set  up  the  RX3042H, 
and  how  to  customize  its  configuration  to  get  the  most  out  of  this 
product.
1.1 Features
  •  LAN: 4-port Fast Ethernet switch
 •...

2
Introduction RX3042H User's Manual
  •  For system configuration using the web-based GUI: a web  
    browser such as Internet Explorer 6.0 or newer.
1.3  Using this Document
1.3.1  Notational conventions
  •  Acronyms are defined the first time they appear in the text.
  •  For brevity, RX3042H is sometimes referred to as the “router”  
    or the ”gateway”.
  •  The terms LAN and network are used interchangeably to refer  
    to a group of Ethernet-connected computers at one site.
  •  Sequence of...

RX3042H User's Manual Getting to Know RX3042H
3
Chapter 2  Getting to Know RX3042H
2.1  Parts List
In addition to this document,  RX3042H should come with the following:
•  The system unit
•  AC adapter
•  Ethernet cable (“straight-through” type)
2.2  Hardware Features
LAN
•  4-port Fast Ethernet switch
•  Auto speed negotiation
WAN
•  Dual 10/100M Ethernet ports
•  Auto MDI/MDIX
2.3  Software Features
2.3.1  NAT Features
RX3042H  provides  NAT  to  share  a  single  high-speed  Internet 
connection...

Getting to Know RX3042H RX3042H User's Manual
4

contains  a  pool  of  network  ports  to  be  used  for  translation. 
Every  packet  is  translated  with  the  globally  valid  IP  address; 
the  port  number  is  translated  with  a  free  pool  from  the  pool  of 
network ports.
•    Reverse  NAPT  – Also  called  inbound  mapping,  port  mapping,or  virtual  server. Any  packet  coming  to  the  router  can  be  relayed 
to  an  internal  host  based  on  the  protocol,  port  number  and/or...

RX3042H User's Manual Getting to Know RX3042H
5

ACL  is  a  very  appropriate  measure  for  providing  isolation  of  one 
subnet  from  another.  It  can  be  used  as  the  first  line  of  defense  in 
the  network  to  block  inbound  packets  of  specific  types  from  ever 
reaching the protected network.
The RX3042H Firewallʼs ACL methodology supports:
•  Filtering based on destination and source IP address, port  
  number and protocol
•  Use of the wild card for composing filter rules
•...

Getting to Know RX3042H RX3042H User's Manual
6

2.3.2.4  Application Level Gateway (ALG)
Applications  such  as  FTP  open  connections  dynamically  based 
on  the  respective  application  parameter.  To  go  through  the  firewall 
on  the  RX3042H,  packets  pertaining  to  an  application,  require  a 
corresponding allow rule. In the absence of such rules, the packets 
will  be  dropped  by  the  RX3042H  Firewall. As  it  is  not  feasible  to 
create  policies  for  numerous  applications...

RX3042H User's Manual Getting to Know RX3042H
7

Table 2.2 Front Panel Label and LEDs
LED  LabelColorStatusIndication
1PowerGreenONRX3042H is powered on.
OFFRX3042H is powered off.
2StatusGreen
3
USB Identifies the USB port.
1-2GreenOFFUSB device is not detected.
ONUSB device is detected.
4WAN
Identifies the WAN port.1-2
OFFNo link is detected.
GreenON100Mbps link is detected.
Blinking100Mbps activity is detected.
AmberON10Mbps link is detected.
Blinking10Mbps activity is detected.
5
LAN Identifies the...

Getting to Know RX3042H RX3042H User's Manual
8

Table 2.3 Rear Panel Labels and LEDs
LabelIndication
61--4
LAN  Ports: connect to your PC's Ethernet 
port, or to the uplink port on your LAN's 
hub/switch, using the Ethernet cable.
7Dual WAN or 
WAN + DMZ WAN ports:Connect to your WAN device, 
such as ADSL or cable modem.
8USBUSB Ports: connect to USB 1.1 OR 2.0 
devices
9Console
10RESET
Reset Button:
1. Reboot the device
2. Reset the system configuration to 
factory defaults if pressed for...