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Neobit 1012VA User Manual

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Introduction
This User Guide will show you how to set up the Neobit
1012VAADSL Bridge/Router, and how to customize its
configuration to get the most out of your new product.
Features
Internal ADSL modem for high-speed Internet access
10/100Base-T Ethernet router to provide Internet
connectivity to all computers on your LAN
Network address translation (NAT), Firewall, and IP filtering
functions to provide security for your LAN
Network configuration through DHCP Server and DHCP
Relay
Services including IP route and DNS configuration, RIP,
and IP and DSL performance monitoring
Configuration program you access via an HTML browser
System Requirement
In order to use the Neobit 1012VAADSL/Ethernet router, you must
have the following:
ADSL service up and running on your telephone line, with
at least one public Internet address for your LAN
One or more computers each containing an Ethernet
10Base-T/100Base-T network interface card (NIC)
An Ethernet hub/switch, if you are connecting the device to
more than one computer on an Ethernet network.
For system configuration using the supplied web-based
program: a web browser such as Internet Explorer v5.0 or
later, or Netscape v4.7 or later
7

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  • Page 1 Introduction This User Guide will show you how to set up the Neobit 1012VAADSL Bridge/Router, and how to customize its configuration to get the most out of your new product. Features Internal ADSL modem for high-speed Internet access 10/100Base-T Ethernet router to provide Internet...

  • Page 2: Using This Document

    Acronyms are defined the first time they appear in text and in the glossary (Appendix D). For brevity, the Neobit 1012VAis referred to as “the router.” The terms LAN and network are used interchangeably to refer to a group of Ethernet-connected computers at one site.
  • Page 3 Getting to Know the Neobit 1012VA Parts Check In addition to this document, Neobit 1012VAshould arrive with the following: Neobit 1012VAADSL Ethernet Bridge/Router Power adapter and power cord Ethernet cable (“straight-through” type) Standard phone/DSL line cable Modem Line Cable Power...

  • Page 4: Front Panel

    Chapter 2 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Front Panel The front panel contains lights called LEDs that indicate the status of the unit Figure 1. Front Panel and LEDs Label Color Status Function Green Unit is powered on...

  • Page 5: Rear Panel

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 2 Rear Panel The rear panel contains the ports for the unit's data and power connections. Figure 1. Rear Panel Connections Label Function Connects to the supplied power converter cable Connect to Electric Earth...

  • Page 7: Quick Start

    Quick Start This Quick Start provides basic instructions for connecting the Neobit 1012VAto a computer or LAN and to the Internet. Part 1 describes setting up the hardware. Part 2 describes how to configure Internet properties on your computer(s). Part 3 shows you how to configure basic settings on the Neobit 1012VAto get your LAN connected to the Internet.
  • Page 8 Chapter 3 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Neobit 1012VAE ADSL Ethernet Router Figure 2. Overview of Hardware Connections Step 1. Connect the ADSL cable and optional telephone. Connect one end of the provided phone cable to the port labeled ADSL on the rear panel of the device.
  • Page 9 If you are connecting a LAN to the Neobit 1012VAADSL/Ethernet router, attach one end of a provided Ethernet cable to a regular hub port and the other to the Ethernet port on the Neobit 1012VA. If you are using the Neobit 1012VAwith a single computer and no hub, you must use a “crossover”...

  • Page 10: Part 2 - Configuring Your Computers

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Part 2 — Configuring Your Computers Part 2 of the Quick Start provides instructions for configuring the Internet settings on your computers to work with the Neobit 1012VA. Before you begin By default, the Neobit 1012VAautomatically assigns all required Internet settings to your PCs.
  • Page 11 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 3 Windows 2000 PCs: First, check for the IP protocol and, if necessary, install it: 1. In the Windows task bar, click the Start button, point to Settings, and then click Control Panel.
  • Page 12 Chapter 3 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Windows Me PCs 1. In the Windows task bar, click the Start button, point to Settings, and then click Control Panel. 2. Double-click the Network and Dial-up Connections icon. 3. In the Network and Dial-up Connections window, right-click the Network icon, and then select Properties.
  • Page 13 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 3 Windows 95, 98 PCs: First, check for the IP protocol and, if necessary, install it: 1. In the Windows task bar, click the Start button, point to Settings, and then click Control Panel.
  • Page 14 Chapter 3 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Windows NT 4.0 workstations First, check for the IP protocol and, if necessary, install it: 1. In the Windows NT task bar, click the Start button, point to Settings, and then click Control Panel.
  • Page 15 Your PCs must have IP addresses that place them in the same subnet as the Neobit 1012VA’s LAN port. If you manually assign IP information to all your LAN PCs, you can follow the instructions in Note...
  • Page 16 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Part 3 — Configuring the Neobit 1012VA In Part 3, you log into the program on the Neobit 1012VAand configure basic settings for your Internet connection. Your ISP should provide you with the necessary information to complete this step.

  • Page 17: Field Description

    Field Description Operation This setting enables or disables the Neobit 1012VA. When Mode set to “No”, the device cannot be used to provide Internet connectivity for your network. Set it to “Yes” now, if necessary.
  • Page 18 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Default Router Settings In addition to handling the DSL connection to your ISP, the Neobit 1012VAADSL/Ethernet router can provide a variety of services to your network. The device is pre configured with default settings for use with a typical home or small office network.

  • Page 19: Testing Your Setup

    Testing Your Setup The Quick Start process should enable any computer on your LAN to use the Neobit 1012VA’s ADSL connection to access the Internet. To test the connection, turn on the device, wait about 30 seconds, and then verify that its LEDs are illuminated as shown in Table 2.

  • Page 21: Getting Started With The Configuration Manager

    Accessing the Configuration Manager The Configuration Manager program is preinstalled into memory on the Neobit 1012VA. To access the program, you need the following: A PC or laptop connected to the LAN port on the device as described in the Quick Start chapter.
  • Page 22 Chapter 4 Neobit 1012VA-II ADSL Ethernet Router User’s Guide our website ( www.netustech.com ). For further information, please email us to administrator@netustech.com. 2. Enter your user name and password, and then click The first time you log into the program, use these defaults:...

  • Page 23: Functional Layout

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 4 Functional Layout Configuration Manager tasks are grouped into categories, which you can access by clicking the tabs at the top of each page. Each tab displays the available tasks horizontally the top of the page. You can click on these to display the specific configuration options.

  • Page 24: The Home Tab And System View Table

    Chapter 4 Neobit 1012VA-II ADSL Ethernet Router User’s Guide The Home Tab and System View Table The System View page displays when you first access the program. This page is one of two options available in the Home tab (the other is the Quick Start page, as described on page 22).
  • Page 25 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 4 Table Heading Description LAN Interfaces Displays the software names and various settings for the device interfaces that communicate directly with your network. These typically include an Ethernet interface named eth-0. For information on modifying properties of these interfaces, see Chapter 5.

  • Page 26: Changing Your Login Password

    Chapter 4 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Changing Your Login Password The first time you log into the Configuration Manager, you use the default user ID and password (root and root). The system allows only one user ID and password. Only the password can be changed.

  • Page 27: Committing Your Changes And Rebooting The Device

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 4 Committing Your Changes and Rebooting the Device Committing your changes Whenever you use the Configuration Manager to change system settings, the changes are initially placed in temporary storage (called random access memory or RAM). Your changes are made effective when you submit them, but will be lost if the device is reset or turned off.

  • Page 28: Rebooting The Device Using Configuration Manager

    ISP or the manufacturer. Choosing this option erases any custom settings. Do not reboot the device using the Reset button on the back panel of the Neobit 1012VAto activate new changes. This button resets the device settings to the manufacturer’s default values. Any WARNING...

  • Page 29: Setting Ip Properties For The Lan-Side Interfaces

    PCs on your LAN. A network node can be thought of as any interface where a device connects to the network, such as the Neobit 1012VA’s LAN port and the network interface cards on your PCs. See Appendix A Definition for an explanation of subnets.
  • Page 30 Chapter 5 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Figure 8. LAN Configuration Page...
  • Page 31 If the server is on your network, click Local. If the server is on your ISP’s network, click Remote. The Neobit 1012VAcannot act as a DHCP server for its own LAN port. 2. Enter a LAN IP address and network mask, or click the DHCP Enable radio button.
  • Page 32 Chapter 5 Neobit 1012VA-II ADSL Ethernet Router User’s Guide requested IP address from the DHCP server. This is referred to as a "Configured IP Address" in the program. If the configured IP address is not available from the DHCP server, the server will distribute another address to the LAN port.

  • Page 33: Viewing System Ip Information And Performance Statistics

    See Appendix A for a description of IP addresses and masks. Viewing the Neobit 1012VA’s IP addresses To view the Neobit 1012VA’s IP addresses, click the Routing tab, and then click IP Addr in the task bar. The IP Address Table page displays, as shown in Figure 9: Figure 9.

  • Page 35: Configuring Dynamic Host Configuration Protocol

    When you enable DHCP on a network, you allow a device — such as the Neobit 1012VAor a router located with your ISP — to assign temporary IP addresses to your computers whenever they connect to your network. The assigning device is called a DHCP server, and the receiving device is a DHCP client.
  • Page 36 If you have another PC or device on your network that is already performing the DHCP server function, then you can configure the LAN port on the Neobit 1012VAto be a DHCP client of that server (as are your PCs). This configuration is not discussed in this chapter.

  • Page 37: Configuring Dhcp Server

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 7 Configuring DHCP Server By default, the device is configured as a DHCP server, with a predefined IP address pool of 192.168.1.3 through 192.168.1.20 (subnet mask 255.255.255.0). To change this range of addresses, see “Viewing, modifying, and deleting address pools”...
  • Page 38 Chapter 7 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Figure 11. DHCP Server Pool – Add Page...

  • Page 39: Appendix A. You Can Use The Network Mask To Distinguish Which Pool Of Addresses Should Be Distributed To A Particular Subset Of Computers On Your

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 7 4. Enter the Start IP Address, End IP Address, Net Mask, and Gateway Address fields are required; the others are optional. The following table describes each field. Field Description Start/End IP...
  • Page 40 Chapter 7 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Field Description SMTP...SWINS The IP addresses of devices that perform (optional) various services for computers that receive IP addresses from this pool (such as the SMTP, or Simple Mail Transfer Protocol, server which handles e-mail traffic).
  • Page 41 33. Viewing current DHCP address assignments When the Neobit 1012VAfunctions as a DHCP server for your LAN, it keeps a record of any addresses, it has leased to your computers. To view a table of all current IP address assignments, display the...

  • Page 42: Configuring Dhcp Relay

    The eth-0 interface specifies that your default Ethernet (LAN) interface is running DHCP relay for your LAN. Typically, this is the only interface you need to specify here. If the Neobit 1012VAhas additional interfaces that you want to perform DHCP relay, you can select and add them.

  • Page 43: Setting The Dhcp Mode

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 7 A page displays to confirm your changes, and then the program returns to the DHCP Relay Configuration page. 6. Follow the instructions in “Setting the DHCP Mode” on page 49 to set the DHCP mode to DHCP Relay.

  • Page 45: Configuring Network Address Translation

    LAN a unique private IP address. (Or, you define a pool of private IP addresses for dynamic assignment to your computers, as described in Chapter 7.) On the Neobit 1012VA, you set up a NAT rule to specify that whenever one of your computers communicates with the Internet, (that is, it sends and receives IP data packets) its private IP address—which is referenced in each...

  • Page 46: Viewing Nat Global Settings And Statistics

    Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide disguised source port number. The Neobit 1012VAchanges the IP address and source port number back to the original values (having kept track of the changes it made earlier), and then routes the packet to the originating computer.
  • Page 47 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 Rule Configuration page, and the NAT Translations page, which shows current translations. Enable/Disable radio buttons, which allow you to turn on or off the NAT feature. The NAT Global Information table, which displays the...
  • Page 48 Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Figure 17. NAT Rule Global Statistics Page The table provides basic information for each NAT rule you have set up. You can click to restart the accumulation of the statistics at their initial values.

  • Page 49: Viewing Nat Rules And Rule Statistics

    Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 Viewing NAT Rules and Rule Statistics To view the NAT rules currently defined on your system, select NAT Rule Entry in the NAT Options drop-down list. The NAT Rule Configuration page displays, as shown in Figure 18.

  • Page 50: Viewing Current Nat Translations

    Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Viewing Current NAT Translations To view a list of NAT translations that have recently been performed and which remain in effect (for any of the defined rules), select NAT Translations from the NAT Options drop-down list. The NAT Translations page displays, as shown in Figure 20: Figure 20.
  • Page 51 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 Figure 21. NAT Translation – Details Page In addition to the information displayed in the NAT Translations table, this table displays the following for the selected current translation sessions: Field Description...

  • Page 52: Adding Nat Rules

    Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Adding NAT Rules This section explains how to create rules for the various NAT flavors You cannot edit existing NAT rules. To change a rule setup, delete it and add a new rule with the modified settings.
  • Page 53 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 Once a data packet matches a rule, the data is acted upon according to that rule and is not subjected to higher-numbered rules. From the IFName drop-down list, select the interface on the device to which this rule applies.
  • Page 54 Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide The rdr rule: Allowing external access to a LAN computer You can create an rdr rule to make a computer on your LAN, such as a Web or FTP server, available to Internet users without requiring you to obtain a public IP address for that computer.
  • Page 55 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 Follow these instructions to add an rdr rule (see steps 1-4 under "The napt rule" on page 58 for specific instructions corresponding to steps 1 and 2 below): 1. Display the NAT Rule – Add Page, select RDR as the Rule Flavor, and enter a Rule ID.
  • Page 56 Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide 7. If the LAN computer that you are making publicly available is configured to use a non-standard port number for the type of traffic it receives, type the non-standard port number in the Local Port field.
  • Page 57 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 The basic rule: Performing 1:1 translations The basic flavor translates the private (LAN-side) IP address to a public (WAN-side) address, like napt rules. However, unlike napt rules, basic rules do not also translate the port numbers in the packet header;...
  • Page 58 Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide 5. In the Global Address From and Global Address To fields, type the starting and ending address that identify the pool of public IP addresses that the private addresses should be translated to.
  • Page 59 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 number from 1-255 that represents the IANA-specified protocol number. 4. In the Local Address From and Local Address To fields, type the starting and ending IP addresses that identify the range of private address you want to be translated.
  • Page 60 Chapter 8 Neobit 1012VA-II ADSL Ethernet Router User’s Guide The bitmap rule: Performing two-way translations Unlike the other NAT flavors, the bitmap flavor performs address translations in both the outgoing and incoming directions. In the incoming direction, when the specified Neobit...
  • Page 61 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 8 The pass rule: Allowing specific addresses to pass through untranslated You can create a pass rule to allow a range of IP addresses to remain untranslated when another rule would otherwise do so Figure 27.

  • Page 63: Configuring Dns Server Addresses

    Configuring DNS Server Addresses About DNS Domain Name System (DNS) servers map the user-friendly domain names that users type into their Web browsers (e.g., "yahoo.com") to the equivalent numerical IP addresses that are used for Internet routing. When a PC user types a domain name into a browser, the PC must first send a request to a DNS server to obtain the equivalent IP address.

  • Page 64: Configuring Dns Relay

    LAN PCs to a DNS server at the ISP. It then relays the DNS server’s response to the PC. When performing DNS relay, the Neobit 1012VAmust maintain the IP addresses of the DNS servers it contacts. It can learn these...
  • Page 65 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Chapter 10 Click the Services tab, and then click DNS in the task bar. The DNS Configuration page displays. Figure 28. DNS Configuration Page Type the IP address of the DNS server in an empty row and click You can enter only two addresses.

  • Page 66: Troubleshooting

    LAN LED does not Verify that the Ethernet cable is securely connected illuminate after Ethernet to your LAN hub or PC and to the Neobit 1012VA. cable is attached. Make sure the PC and/or hub is turned on. Verify that you are using a straight-through type Ethernet cable to the uplink port on a hub or a cross- over type cable to a stand-alone PC.
  • Page 67 Configuration Manager section, to check whether your PC can communicate program from your with the Neobit 1012VA’s LAN IP address (by default browser. 192.168.1.1). If it cannot, check the Ethernet cabling. Verify that you are using Internet Explorer v5.0 or later, or Netscape Navigator v4.7 or later.

  • Page 68: Diagnosing Problem Using Ip Utilities

    “Request timed out.” Using the ping command, you can test whether the path to the Neobit 1012VAis working (using the preconfigured default LAN IP address 192.168.1.1) or another address you assigned. You can also test whether access to the Internet is working by typing an external address, such as that for www.yahoo.com...
  • Page 69 Appendix C. Troubleshooting Neobit 1012VA-II ADSL Ethernet Router User’s Guide nslookup You can use the nslookup command to determine the IP address associated with an internet site name. You specify the common name, and the nslookup command looks up the name in on your DNS server (usually located with your ISP).
  • Page 70 Bridging contrasts with routing, which can add more intelligence to data transfers by using network addresses instead. The Neobit 1012VAcan perform both routing and bridging. Typically, when both functions are enabled, the device routes IP data and bridges all other types of data.
  • Page 71 A DHCP relay is a computer that forwards DHCP data between computers that request IP addresses and the DHCP server that assigns the addresses. Each of the Neobit 1012VA's interfaces can be configured as a DHCP relay. See DHCP. DHCP server...
  • Page 72 Neobit 1012VA-II ADSL Ethernet Router User’s Guide Appendix D. Glossary File Transfer Protocol A program used to transfer files between computers connected to the Internet. Common uses include uploading new or updated files to a web server, and downloading files from a web server.
  • Page 73 Appendix D. Glossary Neobit 1012VA-II ADSL Ethernet Router User’s Guide Internet Service Provider A company that provides Internet access to its customers, usually for a fee. Local Area Network A network limited to a small geographic area, such as a home, office, or small building.
  • Page 74 A protocol for serial data transmission that is used to carry IP (and other protocol) data between your ISP and your computer. The WAN interface on the Neobit 1012VAuses two forms of PPP called PPPoA and PPPoE. See also PPPoA, PPPoE.
  • Page 75 Appendix D. Glossary Neobit 1012VA-II ADSL Ethernet Router User’s Guide SNMP Simple Network Management Protocol The TCP/IP protocol used for network management. splitter A device that splits off the voice component of the DSL signal to a separate line, so that data and telephone service each have their own wiring and jacks.
  • Page 76 See also VC. Wide Area Network Any network spread over a large geographical area, such as a country or continent. With respect to the Neobit 1012VA, WAN refers to the Internet. Web browser A software program that uses Hyper-Text Transfer Protocol...

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