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Billion BiPAC 7402R2 User Manual

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ADSL2+ VPN Firewall Router
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  • Page 1 BiPAC 7402R2 ADSL2+ VPN Firewall Router User’s Manual...

  • Page 3: Table Of Contents

    CHAPTER 1: INTRODUCTION ......................1 PAC 7402R2 R ................... 1 NTRODUCTION TO YOUR OUTER ..............................1 EATURES PAC 7402R2 ADSL2+ R ..................4 OUTER PPLICATION CHAPTER 2: INSTALLING THE ROUTER..................5 PAC 7402R2 ADSL R ............5 MPORTANT NOTE FOR USING THE OUTER ..........................
  • Page 4 Backup / Restore........................... 50 Restart Router..........................51 User Management......................... 52 Firewall and Access Control ......................53 General Settings..........................55 Packet Filter ..........................55 Intrusion Detection........................63 URL Filtering..........................65 Firewall Log ..........................68 VPN (Virtual Private Networks)......................69 PPTP (Point-to-Point Tunneling Protocol) ................69 IPSec (IP Security Protocol) ......................

  • Page 5: Chapter 1: Introduction

    Chapter 1: Introduction Introduction to your BiPAC 7402R2 Router Welcome to the Billion BiPAC 7402R2 Router. The router is an “all-in-one” unit, combining an ADSL modem, ADSL router with four-port 10/100M auto-crossover Switch, and Firewall, enabling you to maximize the potential of your existing resources. The router can provide everything you need to get the machines on your network connected to the Internet over your ADSL broadband connection.
  • Page 6 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Network Address Translation (NAT) Allows multi-users to access outside resources such as the Internet simultaneously with one IP address/one Internet access account. Many application layer gateway (ALG) are supported such as web browser, ICQ, FTP, Telnet, E-mail, News, Net2phone, Ping, NetMeeting, IP phone and others.
  • Page 7 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Static and RIP1/2 Routing Supports an easy static routing table or RIP1/2 routing protocol to support routing capability. Simple Network Management Protocol (SNMP) It is an easy way to remotely manage the router via SNMP.

  • Page 8: Bipac 7402R2 Adsl2+ Router Application

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router BiPAC 7402R2 ADSL2+ Router Application Figure 1.1 Application Diagram of BiPAC 7402R2 Thank you for your purchase, and welcome to the world of Internet! Chapter 1: Introduction...

  • Page 9: Chapter 2: Installing The Router

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Chapter 2: Installing the Router Important note for using the BiPAC 7402R2 ADSL Router Do not use this router in high humidity or high temperatures. Do not use the same power source for this router as other equipment.

  • Page 10: The Front Leds

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router The Front LEDs Meaning Lit steady when there is a PPPoA / PPPoE connection. PPP / MAIL Lit and flashed periodically when there is email in the Inbox. When lit, it indicates that the ADSL (Line) port is connected to the ADSL DSLAM and working properly.

  • Page 11: The Rear Ports

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router The Rear Ports Port Meaning Power Switch Power ON/OFF switch Connect the supplied power adapter to this jack. After the device is powered on, press it to reset the device or restore to factory default settings.

  • Page 12: Cabling

    ADSL line LEDs are lit. If they are not, verify that you are using the proper cables. Ensure that all other devices connected to the same telephone line as your Billion router (e.g. telephones, fax machines, analogue modems) have a line filter connected between them and the wall socket (unless you are using a Central Splitter or Central Filter installed by a qualified and licensed electrician), and ensure that all line filters are correctly installed and the right way around.

  • Page 13: Chapter 3: Basic Installation

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Chapter 3: Basic Installation BiPAC 7402R2 can be configured with your web browser. The web browser is included as a standard application in the following operating systems: Linux, Mac OS, Windows 98/NT/2000/XP/Me, etc. The product provides a very easy and user-friendly interface for configuration.
  • Page 14 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PC in Windows XP 1. Go to Start / Control Panel (in Classic View). In the Control Panel, double-click on Network Connections. Double-click Local Area Connection. (See Figure 3.1) Figure 3.1: LAN Area Connection 3.
  • Page 15 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router 4. Select Internet Protocol (TCP/IP) and click Properties. (See Figure 3.3) Figure 3.3: TCP / IP 5. Select the Obtain an IP address automatically and the Obtain DNS server address automatically radio buttons.

  • Page 16: Configuring Pc In Windows 2000

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PC in Windows 2000 Go to Start / Settings / Control Panel. In the Control Panel, double-click on Network and Dial-up Connections. Double-click Local Area Connection. (See Figure 3.5) Figure 3.5: LAN Area Connection In the Local Area Connection Status window, click Properties.
  • Page 17 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Select Internet Protocol (TCP/IP) and click Properties. (See Figure 3.7) Figure 3.7: TCP / IP Select the Obtain an IP address automatically and the Obtain DNS server address automatically radio buttons. (See Figure 3.8) Click OK to finish the configuration.

  • Page 18: Configuring Pc In Windows 95/98/Me

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PC in Windows 95/98/ME Go to Start / Settings / Control Panel. In the Control Panel, double- click on Network and choose the Configuration tab. Select TCP / IP -> NE2000 Compatible, or the name of your Network Interface Card (NIC) in your (See Figure 3.9)
  • Page 19 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Then select the DNS Configuration tab. (See Figure 3.11) Select the Disable DNS radio button and click OK to finish the configuration. Figure 3.11: DNS Configuration Chapter 3: Basic Installation...
  • Page 20 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PC in Windows NT4.0 Go to Start / Settings / Control Panel. In the Control Panel, double- click on Network and choose the Protocols tab. Select TCP/IP Protocol and click (See Figure 3.12) Properties.

  • Page 21: Factory Default Settings

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Factory Default Settings Before configuring your, you need to know the following default settings. Web Interface (Username and Password) Username: admin Password: admin The default username and password are “admin” and “admin” respectively.

  • Page 22: Information From Your Isp

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Information from your ISP Before configuring this device, you have to check with your ISP (Internet Service Provider) what kind of service is provided such as PPPoE, PPPoA, RFC1483, or IPoA. Gather the information as illustrated in the following table and keep it for reference...

  • Page 23: Configuring With Your Web Browser

    “Go”, a user name and password window prompt will appear. The default username and password are “admin” and “admin”. (See Figure 3.14) Figure 3.14: User name & Password Prompt Widonw Congratulation! You are now successfully logon to the BiPAC 7402R2 ADSL2+ Router! Chapter 3: Basic Installation...

  • Page 24: Chapter 4: Configuration

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Chapter 4: Configuration At the configuration homepage, the left navigation pane where bookmarks are provided links you directly to the desired setup page, including: Status (ARP Table, Routing Table, DHCP Table, PPTP Status, IPSec Status, L2TP Status,...

  • Page 25: Status

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Status ARP Table This section displays the router’s ARP (Address Resolution Protocol) Table, which shows the mapping of Internet (IP) addresses to Ethernet (MAC) addresses. This is useful as a quick way of determining the MAC address of the network interface of your PCs to use with the router’s Firewall –...

  • Page 26: Routing Table

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Routing Table Routing Table Valid: It indicates a successful routing status. Destination: The IP address of the destination network. Netmask: The destination netmask address. Gateway/Interface: The IP address of the gateway or existing interface that this route will use.

  • Page 27: Dhcp Table

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router DHCP Table Leased: The DHCP assigned IP addresses information. IP Address: A list of IP addresses of devices on your LAN (Local Area Network). Expired: The expired IP addresses information. Permanent: The fixed host mapping information Leased Table IP Address: The IP address that assigned to client.

  • Page 28: Pptp Status

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router PPTP Status This shows details of your configured PPTP VPN Connections. Name: The name you assigned to the particular PPTP connection in your VPN configuration. Type: The type of connection (dial-in/dial-out). Enable: Whether the connection is currently enabled.

  • Page 29: Ipsec Status

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router IPSec Status This shows details of your configured IPSec VPN Connections. Name: The name you assigned to the particular VPN entry. Active: Whether the VPN Connection is currently Active. Connection State: Whether the VPN is Connected or Disconnected.

  • Page 30: L2Tp Status

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router L2TP Status This shows details of your configured L2TP VPN Connections. Name: The name you assigned to the particular L2TP connection in your VPN configuration. Type: The type of connection (dial-in/dial-out). Enable: Whether the connection is currently enabled.

  • Page 31: Event Log

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Event Log This page displays the router’s Event Log entries. Major events are logged to this window, such as when the router’s ADSL connection is disconnected, as well as Firewall events when you have enabled Intrusion or Blocking Logging in the Configuration –...

  • Page 32: Nat Sessions

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router NAT Sessions This section lists all current NAT sessions between interface of types external (WAN) and internal (LAN). UPnP Portmap The section lists all port-mapping established using UPnP (Universal Plug and Play). Please see the Advanced section of this manual for more details on UPnP and the router’s UPnP configuration options.

  • Page 33: Quick Start

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Quick Start For detailed instructions on configuring your WAN settings, please see the WAN section of this manual. Usually, the only details you will need for the Quick Start wizard to get you online are your login (often in the form of username@ispname), your password and the encapsulation type.
  • Page 34 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Select the desired option from the list and click Apply to return to the Quick Start interface to continue configuring your ISP connection. Please note that the contents of this list will vary, depending on what is supported by your ISP.

  • Page 35: Configuration

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuration When you click this item, you get following sub-items to configure the ADSL router. LAN, WAN, System, Firewall, VPN, QoS, Virtual Server, Time Schedule and Advanced These functions are described below in the following sections.

  • Page 36: Ethernet Client Filter

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Ethernet Client Filter The Ethernet Client Filter supports up to 16 Ethernet network machines that helps you to manage your network control to accept traffic from specific authorized machines or can restrict unwanted machine(s) to access your LAN.
  • Page 37 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Active PC in LAN displays a list of individual Ethernet device’s IP Address & MAC Address which connecting to the router. You can easily by checking the box next to the IP address to be blocked or allowed. Then, Add to insert to the Ethernet Client Filter table.

  • Page 38: Dhcp Server

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router DHCP Server You can disable or enable the DHCP (Dynamic Host Configuration Protocol) server or enable the router’s DHCP relay functions. The DHCP protocol allows your router to dynamically assign IP addresses to PCs on your network if they are configured to obtain IP addresses automatically.

  • Page 39: Wan (Wide Area Network)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router WAN (Wide Area Network) WAN refers to your Wide Area Network connection, i.e. your router’s connection to your ISP and the Internet. There are two items within the WAN section: ISP, DNS ADSL.
  • Page 40 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router RFC 1483 Routed Connections Description: Your description of this connection. VPI and VCI: Enter the information provided by your ISP. ATM Class: The Quality of Service for ATM layer. NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through a single IP account, sharing the single IP address.
  • Page 41 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router RFC 1483 Bridged Connections VPI and VCI: Enter the information provided by your ISP. ATM Class: The Quality of Service for ATM layer. Encapsulation method: Select the encapsulation format, this is provided by your ISP.
  • Page 42 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router PPPoA Routed Connections Description: User-definable name for the connection. VPI/VCI: Enter the information provided by your ISP. ATM Class: The Quality of Service for ATM layer. NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through a single IP account, sharing a single IP address.
  • Page 43 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Connection: Always on: If you want the router to establish a PPPoA session when starting up and to automatically re-establish the PPPoA session when disconnected by the ISP. Connect to Demand: If you want to establish a PPPoA session only when there is a packet requesting access to the Internet (i.e.
  • Page 44 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Give DNSto DHCP Server: Similar to the above, but gives the DNS server address to the DHCP server. Discover Primary NBNS / Discover Secondary NBNS: This setting enables/disables whether the primary/secondary NBNS server address is requested from a remote PPP peer using IPCP.
  • Page 45 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router IPoA Routed Connections Description: User-definable name for the connection. VPI/VCI: Enter the information provided by your ISP. ATM Class: The Quality of Service for ATM layer. NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through a single IP account, sharing a single IP address.
  • Page 46 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router PPPoE Connections Description: A user-definable name for this connection. VPI/VCI: Enter the information provided by your ISP. ATM Class: The Quality of Service for ATM layer. NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through a single ISP account, sharing a single IP address.
  • Page 47 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Authentication Protocol: Default is Chap(Auto). Your ISP will advise you whether to use Chap or Pap. Connection: Always on: If you want the router to establish a PPPoE session when starting up and to automatically re-establish the PPPoE session when disconnected by the ISP.
  • Page 48 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router server IP address, it automatically gives the address to the local DNS client so that a connection can be established. Give DNS to DHCP Server: Similar to the above, but gives the DNS server address to the DHCP server.

  • Page 49: Dns

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router A Domain Name System (DNS) contains a mapping table for domain name and IP addresses. On the Internet, every host has a unique and user-friendly name (domain name) such as www.helloworld.com and an IP address. An IP address is a 32-bit number in the form of xxx.xxx.xxx.xxx, for example 192.168.1.254.

  • Page 50: Adsl

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router ADSL Connect Mode: The default setting is Multimode. This mode will automatically detect your ADSL line code, G.dmt, G.lite, and T1.413. But in some area, multimode cannot detect the ADSL line code well. If it is the case, please adjust the ADSL line code to G.dmt or T1.413 first. If it still fails, please try the other values such as ALCTL, ADI, etc.

  • Page 51: System

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router System There are six items within the System section: Time Zone, Remote Access, Firmware Upgrade, Backup/Restore, Restart User Management. Time Zone The router does not have a real time clock on board; instead, it uses the Simple Network Time Protocol (SNTP) to get the current time from an SNTP server outside your network.

  • Page 52: Remote Access

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Remote Access To temporarily permit remote administration of the router (i.e. from outside your LAN), select a time period the router will permit remote access for and click Enable. You may change other configuration options for the web administration interface using Device Management options in the Advanced section of the GUI.

  • Page 53: Firmware Upgrade

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Firmware Upgrade Your router’s “firmware” is the software that allows it to operate and provides all its functionality. Think of your router as a dedicated computer, and the firmware as the software it runs. Over time this software may be improved and modified, and your router allows you to upgrade the software it runs to take advantage of these changes.

  • Page 54: Backup / Restore

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Backup / Restore These functions allow you to save and backup your router’s current settings to a file on your PC, or to restore a previously saved backup. This is useful if you wish to experiment with different settings, knowing that you have a backup handy in the case of any mistakes.

  • Page 55: Restart Router

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Restart Router Click Restart with option Current Settings to reboot your router (and restore your last saved configuration). If you wish to restart the router using the factory default settings (for example, after a firmware upgrade or if you have saved an incorrect configuration), select Factory Default Settings to reset to factory default settings.

  • Page 56: User Management

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router User Management In order to prevent unauthorized access to your router’s configuration interface, it requires all users to login with a password. You can set up multiple user accounts, each with their own password.

  • Page 57: Firewall And Access Control

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Firewall and Access Control Your router includes a full SPI (Stateful Packet Inspection) firewall for controlling Internet access from your LAN, as well as helping to prevent attacks from hackers. In addition to this, when using NAT (Network Address Translation.
  • Page 58 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router You can find six items under the Firewall section: General Settings, Packet Filter, Intrusion Detection, URL Filter Firewall Log. Chapter 4: Configuration...

  • Page 59: General Settings

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router General Settings You can choose not to enable Firewall, to add all filter rules by yourself, or enable the Firewall using preset filter rules and modify the port filter rules as required. The Packet Filter is used to filter packets based-on Applications (Port) or IP addresses.
  • Page 60 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Chapter 4: Configuration...
  • Page 61 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Predefined Port Filters Rules The predefined port filter rules for High, Medium and Low security levels are listed. See Table 1. (Note: Firewall – All Blocked/User-defined, you must define and create the port filter rules yourself.
  • Page 62 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Packet Filter – Add TCP/UDP Filter Rule Name: A user-defined name for identifying the application. Time Schedule: It is self-defined time period. You may specify a time schedule for your prioritization policy. For setup and detail, refer to Time Schedule section Source IP Address(es) / Destination IP Address(es): This is the Address-Filter used to allow or block traffic to/from particular IP address(es).
  • Page 63 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Packet Filter – Add Raw IP Filter Rule Name: A user-defined name for identifying the rule. Time Schedule: It is self-defined time period. You may specify a time schedule for your prioritization policy. For setup and detail, refer to Time Schedule section Protocol Number: Insert the port number, i.e.
  • Page 64 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring your firewall to allow for a publicly accessible web server on your LAN The predefined port filter rule for HTTP (TCP port 80) is the same no matter whether the firewall is set to a high, medium or low security level.
  • Page 65 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring Packet Filter: Click Port Filters. You will then be presented with the predefined port filter rules screen (in this case for the low security level), shown below: Note: You may click the predefined rule instead of it.
  • Page 66 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router The new port filter rule for HTTP is shown below: 7. Configure your Virtual Server (“port forwarding”) settings so that incoming HTTP requests on port 80 will be forwarded to the PC running your web server:...

  • Page 67: Intrusion Detection

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Intrusion Detection The router’s Intrusion Detection System (IDS) is used to detect hacker attacks and intrusion attempts from the Internet. If the IDS function of the firewall is enabled, inbound packets are filtered and blocked depending on whether they are detected as possible hacker attacks, intrusion attempts or other connections that the router determines to be suspicious.
  • Page 68 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Max ICMP Count: This is a threshold to decide whether an ICMP flood is occurring or not. Default value is 100 ICMP packets per seconds except ICMP Echo Requests (PING). For SYN Flood, ICMP Echo Storm and ICMP flood, IDS will just warn the user in the Event Log. It cannot protect against such attacks.

  • Page 69: Url Filtering

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router URL Filtering URL (Uniform Resource Locator – e.g. an address in the form of http://www.abcde.com http://www.example.com) filter rules allow you to prevent users on your network from accessing particular websites by their URL. There are no pre-defined URL filter rules; you can add filter rules to meet your requirements.
  • Page 70 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router For example, if the URL is http://www.abc.com/abcde.html, it will be dropped as the keyword “abcde” occurs in the URL. Domains Filtering: This function checks the domain name only, not the IP address, in URLs accessed against your list of domains to block or allow.
  • Page 71 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Restrict URL Features: This function enhances the restriction to your URL rules. Example: Andy wishes to disable all WEB traffic except for ones listed in the trusted domain, which would prevent Bobby from accessing other web sites.

  • Page 72: Firewall Log

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Firewall Log Firewall Log display log information of any unexpected action with your firewall settings. Check the Enable box to activate the logs. Log information can be seen in the Status – Event Log after enabling.

  • Page 73: Vpn (Virtual Private Networks)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router VPN (Virtual Private Networks) Virtual Private Networks is ways to establish secured communication tunnels to an organization’s network via the Internet. Your router supports three main types of VPN (Virtual Private Network), PPTP, IPSec L2TP.
  • Page 74 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router PPTP Connection - Remote Access Connection Name: A user-defined name for the connection (e.g. “connection to office”). Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g.
  • Page 75 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Idle Time: Auto-disconnect the VPN connection when there is no activity on the connection for a predetermined period of time. 0 means this connection is always on. Active as default route: Enables the default route.
  • Page 76 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router PPTP Connection - LAN to LAN Connection Name: A user-define description of the connection. Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g.
  • Page 77 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Mode: You may select Stateful or Stateless mode. The key will be changed every 256 packets when you select Stateful mode. If you select Stateless mode, the key will be changed in each packet.

  • Page 78: Ipsec (Ip Security Protocol)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router IPSec (IP Security Protocol) Click Create to create a new IPSec VPN connection account. After you have created the IPSec connection, account information will be displayed. (See example above). Enable / Disable: This function activates or deactivates the IPSec connection. To wish interrupting the tunnel, check Disable radio button and click Apply button to deactivate the connection.
  • Page 79 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configure a new VPN Connection Connection Name: A user-defined name for the connection (e.g. “connection to office”). Local: Network: Set the IP address, subnet or address range of the local network. Single Address: The IP address of the local host.
  • Page 80 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router MD5: A one-way hashing algorithm that produces a 128−bit hash. SHA1: A one-way hashing algorithm that produces a 160−bit hash. Encryption: Select the encryption method from the pull-down menu. There are several options, DES, 3DES, AES (128, 192 and 256) and NULL. NULL means it is a tunnel only with no encryption.
  • Page 81 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Advanced Option This function is only available after completed creating an IPSec account. Click Advanced Option to change the following settings: IKE (Internet key Exchange) Mode: Select IKE mode to Main mode or Aggressive mode. This IKE provides secured key generation and key management.
  • Page 82 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router DES: Stands for Data Encryption Standard, it uses 56 bits as an encryption method. 3DES: Stands for Triple Data Encryption Standard, it uses 168 (56*3) bits as an encryption method. AES: Stands for Advanced Encryption Standards, you can use 128, 192 or 256 bits as encryption method.
  • Page 83 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Ping to the IP Internal (sec) Ping to the IP Action 0.0.0.0 0.0.0.0 2000 xxx.xxx.xxx.xxx (A valid IP Address) xxx.xxx.xxx.xxx(A valid IP Address) 2000 Yes, activate it in every 2000 second. Disconnection Time after no traffic: It is the NO Response time clock. When no traffic stage time is beyond the Disconnection time set, Router will automatically halt the tunnel connection and re-establish it base on the Reconnection Time set.

  • Page 84: L2Tp (Layer Two Tunneling Protocol)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router L2TP (Layer Two Tunneling Protocol) Two types of L2TP VPN are supported, Remote Access and LAN-to-LAN (please refer below for more information.). Click Create to create a new VPN connection account. After you have created L2TP connection, account status will be displayed. (See example above).
  • Page 85 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router L2TP Connection - Remote Access Connection Name: This allows you to identify this particular connection, e.g. “Connection to office”. Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g.
  • Page 86 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Authentication: Authentication establishes the integrity of the datagram and ensures it is not tampered with in transmit. There are three options, Message Digest 5 (MD5), Secure Hash Algorithm (SHA1) or NONE. SHA1 is more resistant to brute-force attacks than MD5, however it is slower.
  • Page 87 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router L2TP Connection - LAN to LAN Connection Name: A user-define description of the connection. Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g.
  • Page 88 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Idle Time: Auto-disconnect the VPN connection when there is no activity on the connection for a predetermined period of time. 0 means this connection is always on. Click Apply after changing settings. IPSec: Enable for enhancing your LT2P VPN security.
  • Page 89 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a Remote Access PPTP VPN Dial-in Connection A remote worker establishes a PPTP VPN connection with the head office using Microsoft's VPN Adapter (included with Windows 2000/ME, etc.). The router is installed in the head office, connected to a couple of PCs and Servers.
  • Page 90 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PPTP VPN in the Office The input IP address 192.168.1.200 will be assigned to the remote worker. Please make sure this IP is not used in the Office LAN. Item Function Description...
  • Page 91 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a Remote Access PPTP VPN Dial-out Connection A company’s office establishes a PPTP VPN connection with a file server located at a separate location. The router is installed in the office, connected to a couple of PCs and Servers.
  • Page 92 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring the PPTP VPN in the Office You can either input the IP address (69.1.121.33 in this case) or hostname to reach the server. Item Function Description Connection Name VPN_PPTP Given name of PPTP connection...
  • Page 93 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a LAN-to-LAN PPTP VPN Connection The branch office establishes a PPTP VPN tunnel with head office to connect two private networks over the Internet.. The routers are installed in the head office and branch office accordingly.
  • Page 94 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PPTP VPN in the Head Office The IP address 192.168.1.201 will be assigned to the router located in the branch office. Please make sure this IP is not used in the head office LAN.
  • Page 95 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring PPTP VPN in the Branch Office The IP address 69.1.121.30 is the Public IP address of the router located in head office. If you registered the DDNS (please refer to the DDNS section of this manual), you can also use the domain name instead of the IP address to reach the router.
  • Page 96 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a IPSec LAN-to-LAN VPN Connection Table 3: Network Configuration and Security Plan Branch Office Head Office Local Network ID 192.168.0.0/24 192.168.1.0/24 Local Router IP 69.1.121.30 69.1.121.3 Remote Network ID 192.168.1.0/24 192.168.0.0/24 Remote Router IP 69.1.121.3...
  • Page 97 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring IPSec VPN in the Head Office Item Function Description Connection Name IPSec_HeadOffice Given a name of IPSec connection Subnet Check Subnet radio button IP Address 192.168.1.0 Head office network Netmask 255.255.255.0 IP address of the head office router (in Secure Gateway Address 69.121.1.30...
  • Page 98 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring IPSec VPN in the Branch Office Item Function Description IPSec_Branch Connection Name Given a name of IPSec connection Office Subnet Check Subnet radio button IP Address 192.168.0.0 Branch office network Netmask 255.255.255.0...
  • Page 99 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a IPSec Host-to-LAN VPN Connection Chapter 4: Configuration...
  • Page 100 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring IPSec VPN in the Office Item Function Description Connection Name IPSec Given a name of IPSec connection Subnet Check Subnet radio button IP Address 192.168.1.0 Head office network Netmask 255.255.255.0 IP address of the head office router (in Secure Gateway Address 69.121.1.30...
  • Page 101 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a L2TP VPN - Remote Access Dial-in Connection A remote worker establishes a L2TP VPN connection with the head office using Microsoft's VPN Adapter (included with Windows XP/2000/ME, etc.). The router is installed in the head office, connected to a couple of PCs and Servers.
  • Page 102 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring L2TP VPN in the Office The input IP address 192.168.1.200 will be assigned to the remote worker. Please make sure this IP is not used in the Office LAN. Item Function Description...
  • Page 103 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring a Remote Access L2TP VPN Dial-out Connection A company’s office establishes a L2TP VPN connection with a file server located at a separate location. The router is installed in the office, connected to a couple of PCs and Servers.
  • Page 104 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring the L2TP VPN in the Office Item Function Description Connection Name VPN_L2TP Given name of L2TP connection Dial out Check Dial out Server IP Address (or 69.121.1.33 An Dialed server IP Hostname)
  • Page 105 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring your Router to Dial-in to the Server Currently, Microsoft Windows operation system does not support L2TP incoming service. Additional software may be required to set up your L2TP incoming service. Chapter 4: Configuration...
  • Page 106 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: Configuring LAN-to-LAN L2TP VPN Connection The branch office establishes a L2TP VPN tunnel with head office to connect two private networks over the Internet. The routers are installed in the head office and branch office accordingly.
  • Page 107 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring L2TP VPN in the Head Office The IP address 192.168.1.200 will be assigned to the router located in the branch office. Please make sure this IP is not used in the head office LAN.
  • Page 108 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuring L2TP VPN in the Branch Office The IP address 69.1.121.30 is the Public IP address of the router located in head office. If you registered the DDNS (please refer to the DDNS section of this manual), you can also use the domain name instead of the IP address to reach the router.

  • Page 109: Qos (Quality Of Service)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router QoS (Quality of Service) QoS function helps you to control your network traffic for each application from LAN (Ethernet) to WAN (Internet). It facilitates you to control the different quality and speed of through put for each application when the system is running with full loading of upstream.

  • Page 110: Prioritization

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Prioritization There are three priority settings to be provided in the Router: High Normal (The default is normal priority for all of traffic without setting) And the balances of utilization for each priority are High (60%), Normal (30%) and Low (10%).
  • Page 111 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Table 4: DSCP Mapping Table DSCP Mapping Table (Wireless) ADSL Router Standard DSCP Disabled None Best Effort Best Effort (000000) Premium Express Forwarding (101110) Gold service (L) Class 1, Gold (001010) Gold service (M)

  • Page 112: Outbound Ip Throttling (Lan To Wan)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Outbound IP Throttling (LAN to WAN) IP Throttling allows you to limit the speed of IP traffic. The value entered will limit the speed of the application that you set to the specified value’s multiple of 32kbps.

  • Page 113: Inbound Ip Throttling (Wan To Lan)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Inbound IP Throttling (WAN to LAN) IP Throttling allows you to limit the speed of IP traffic. The value entered will limit the speed of the application that you set to the specified value’s multiple of 32kbps.
  • Page 114 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: QoS for your Network Connection Diagram VoIP Normal PCs Restricted Information and Settings Upstream: 928 kbps Downstream: 8 Mbps VoIP User : 192.168.1.1 Normal Users : 192.168.1.2~192.168.1.5 Restricted User: 192.168.1.100 Throughput VoIP/VPN...
  • Page 115 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Mission-critical application Mostly the VPN connection is mission-critical application for doing data exchange between head and branch office. The mission-critical application must be sent out smoothly without any dropping. Set priority as high level for preventing any other applications to saturate the bandwidth.
  • Page 116 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Advanced setting by using IP throttling With IP throttling you can specify more detail for allocating bandwidth; even the applications are located in the same level. Upstream: 928kbps (29*32kbps) Mission-critical Application: 192kbps (6*32kbps)

  • Page 117: Virtual Server ("Port Forwarding")

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Virtual Server (“Port Forwarding”) In TCP/IP and UDP networks a port is a 16-bit number used to identify which application program (usually a server) incoming connections should be delivered to. Some ports have numbers that are pre- assigned to them by the IANA (the Internet Assigned Numbers Authority), and these are referred to as “well-known ports”.

  • Page 118: Add Virtual Server

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Add Virtual Server Because NAT can act as a “natural” Internet firewall, your router protects your network from being accessed by outside users when using NAT, as all incoming connection attempts will point to your router unless you specifically create Virtual Server entries to forward those ports to a PC on your network.

  • Page 119: Edit Dmz Host

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Internal IP Address: The private IP in the LAN network, which will be providing the virtual server application. List all existing PCs connecting to the network. You may assign a PC with IP address and MAC from this list.

  • Page 120: Edit Dmz Host

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Edit DMZ Host The DMZ Host is a local computer exposed to the Internet. When setting a particular internal IP address as the DMZ Host, all incoming packets will be checked by the Firewall and NAT algorithms then passed to the DMZ host, when a packet received does not use a port number used by any other Virtual Server entries.

  • Page 121: Edit One-To-One Nat (Network Address Translation)

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Edit One-to-One NAT (Network Address Translation) One-to-One NAT maps a specific private/local IP address to a global/public IP address. If you have multiple public/WAN IP addresses from you ISP, you are eligible for One-to-One NAT to utilize these IP addresses.
  • Page 122 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Time Schedule: A self-defined time period to enable your virtual server. You may specify a time schedule or Always on for the usage of this Virtual Server Entry. For setup and detail, refer to...
  • Page 123 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: List of some well-known and registered port numbers The Internet Assigned Numbers Authority (IANA) is the central coordinator for the assignment of unique parameter values for Internet protocols. Port numbers range from 0 to 65535, but only ports numbers 0 to 1023 are reserved for privileged services and are designated as “well-known ports”...

  • Page 124: Time Schedule

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Time Schedule The Time Schedule supports up to 16 time slots which helps you to manage your Internet connection. In each time profile, you may schedule specific day(s) i.e. Monday through Sunday to restrict or allowing the usage of the Internet by users or applications.

  • Page 125: Configuration Of Time Schedule

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Configuration of Time Schedule Edit a Time Slot Choose any Time Slot (ID 1 to ID 16) to edit, click Edit. Click Edit A detailed setting of this Time Slot will be shown.
  • Page 126 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Example: I need to reserve a specific time period for allocating bandwidth for my VPN-PPTP connection during weekdays except on Wednesday from 8:30AM to 1:45 PM (13:45 in 24hour clock) for business purpose.

  • Page 127: Advanced

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Advanced Configuration options within the Advanced section are for users who wish to take advantage of the more advanced features of the router. Users who do not understand the features should not attempt to reconfigure their router, unless advised to do so by support staff.

  • Page 128: Dynamic Dns

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Dynamic DNS The Dynamic DNS function allows you to alias a dynamic IP address to a static hostname, allowing users whose ISP does not assign them a static IP address to use a domain name. This is...

  • Page 129: Check Emails

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Check Emails This function allows you to have the router check your POP3 mailbox for new Email messages. The Mail LED on your router will light when it detects new messages waiting for download. You may also view the status of this function using the Status –...

  • Page 130: Device Management

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Device Management The Device Management advanced configuration settings allow you to control your router’s security options and device monitoring features. Embedded Web Server HTTP Port: This is the port number the router’s embedded web server (for web-based configuration) will use.
  • Page 131 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Universal Plug and Play (UPnP) UPnP offers peer-to-peer network connectivity for PCs and other network devices, along with control and data transfer between devices. UPnP offers many advantages for users running NAT routers through UPnP NAT Traversal, and on supported systems makes tasks such as port forwarding much easier by letting the application control the required settings, removing the need for the user to control advanced configuration of their device.
  • Page 132 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router From RFC 1213 (MIB-II): System group Interfaces group Address Translation group IP group ICMP group TCP group UDP group EGP (not applicable) Transmission SNMP group From RFC1650 (EtherLike-MIB): dot3Stats From RFC 1493 (Bridge MIB):...
  • Page 133 Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router From RFC 1474 (PPP/Bridge MIB): PPP Bridge Group From RFC1573 (IfMIB): ifMIBObjects Group From RFC1695 (atmMIB): atmMIBObjects From RFC 1907 (SNMPv2): only snmpSetSerialNo OID Chapter 4: Configuration...

  • Page 134: Igmp

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router IGMP IGMP, known as Internet Group Management Protocol, is used to management hosts from multicast group. IGMP Forwarding: Accepting multicast packet. Default is set to Enable. IGMP Snooping: Allowing switched Ethernet to check and make correct forwarding decisions.

  • Page 135: Save Configuration To Flash

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Save Configuration to Flash After changing the router’s configuration settings, you must save all of the configuration parameters to FLASH to avoid them being lost after turning off or resetting your router. Click Save to write your new configuration to FLASH.

  • Page 136: Logout

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Logout To exit the router’s web interface, choose Logout. Please ensure that you have saved the configuration settings before you logout. Be aware that the router is restricted to only one PC accessing the configuration web pages at a time.

  • Page 137: Chapter 5: Troubleshooting

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Chapter 5: Troubleshooting If the router is not functioning properly, first check this chapter for simple troubleshooting before contacting your service provider or Billion’s support. Problems starting up the router Problem Corrective Action Check the connection between the adapter and the router.

  • Page 138: Problems With The Lan Interface

    Billion BiPAC 7402R2 ADSL2+ VPN Firewall Router Problems with the LAN Interface Problem Corrective Action Check the Ethernet LEDs on the front panel. The LED should be on for a Can’t ping any PCs on port that has a PC connected. If it is off, check the cables between your the LAN.

  • Page 139: Appendix A: Product Support And Contact Information

    Contact Billion AUSTRALIA http://www.billion.com.au/ ©2005 Billion Electric Co., Ltd. PC Range P/L. All Rights Reserved. WORLDWIDE http://www.billion.com/ Mac OS is a registered Trademark of Apple Computer, Inc. Windows 98, Windows NT, Windows 2000, Windows Me and Windows XP are registered Trademarks of Microsoft Corporation.

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