Neobit 1012VA, User Manual

Page 1: ...ices 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 10...

Page 2: ... Support Customer support provides a variety of options for obtaining information about Netus products and services software upgrades and technical assistance You can obtain technical assistant by telephone email fax or regular mail as well as over the Internet Enabling Netus to assist you If you need to contact Netus for help with a problem make sure that you have the following information when y...

Page 3: ...12VAshould 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 Tel Line Cable Power Adaptor Lan Cable RJ45 Straight Manual Neobit 1012VAADSL Ethernet Router Package Contents ...

Page 4: ...d LEDs Label Color Status Function PWR Green On Unit is powered on On Modem is physically connected to ISP Link Green Blinking Physical connecting status between modem and ISP Data Green Blinking Current data receiving transmitting status LAN Green On Physical Ethernet connecting status between PC and modem Options USB Green On Physical USB connecting status between PC and modem ...

Page 5: ... converter cable GND Connect to Electric Earth LAN Ethernet Connects the device to your PC s Ethernet port or to the uplink port on your LAN s hub using the cable provided RS 232 Console Connects the device to PC with serial cable for device management TEL Phone Provides an optional connection to your telephone LINE DSL Connects the device to a telephone jack for DSL communication Right Side SW On...

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Page 7: ... have already established ADSL service with your Internet service provider ISP These instructions provide a basic configuration that should be compatible with your home or small office network setup Refer to the subsequent chapters for additional configuration instructions Part 1 Connecting the Hardware In Part 1 you connect the device to the phone jack the power outlet and your computer or networ...

Page 8: ... to the port labeled ADSL on the rear panel of the device Connect the other end to your wall phone jack You can attach a telephone line to the device This is helpful when the ADSL line uses the only convenient wall phone jack If desired connect the telephone cable to the port labeled PHONE WARNING Although you use the same type of cable The ADSL and PHONE ports are not interchangeable Do not route...

Page 9: ...ice The crossover cable is wired differently than the cable you would use to connect to a hub When you compare the colored wires on each end of a straight through cable they will be in the same sequence on crossover cables they will not Contact your ISP for assistance Step 3 Attach the power connector Connect the AC power adapter to the PWR connector on the back of the device and plug in the adapt...

Page 10: ...thernet to the Neobit 1012VA follow the instructions that correspond to the operating system installed on your PC Windows XP PCs 1 In the Windows task bar click the Start button and then click Control Panel 2 Double click the Network Connections icon 3 In the LAN or High Speed Internet window right click on icon corresponding to your network interface card NIC and select Properties Often this icon...

Page 11: ...lect Protocol and then click 6 Select Internet Protocol TCP IP in the Network Protocols list and then click You may be prompted to install files from your Windows 2000 installation CD or other media Follow the instructions to install the files 7 If prompted click to restart your computer with the new settings Next configure the PCs to accept IP information assigned by the Neobit 1012VA 8 In the Co...

Page 12: ... 6 Select Microsoft in the Manufacturers box 7 Select Internet Protocol TCP IP in the Network Protocols list and then click You may be prompted to install files from your Windows Me installation CD or other media Follow the instructions to install the files 8 If prompted click to restart your computer with the new settings Next configure the PCs to accept IP information assigned by the Neobit 1012...

Page 13: ...e Network Protocols list box 6 Click to return to the Network dialog box and then click again You may be prompted to install files from your Windows 95 98 installation CD Follow the instructions to install the files 7 Click to restart the PC and complete the TCP IP installation Next configure the PCs to accept IP information assigned by the Neobit 1012VA 8 Open the Control Panel window and then cl...

Page 14: ...lect TCP IP and then click You may be prompted to install files from your Windows NT installation CD or other media Follow the instructions to install the files After all files are installed a window displays to inform you that a TCP IP service called DHCP can be set up to dynamically assign IP information 6 Click to continue and then click if prompted to restart your computer Next configure the P...

Page 15: ...n most cases this is the address assigned to the LAN port on the Neobit 1012VA By default the LAN port is assigned this IP address 192 168 1 1 You can change this number or another number can be assigned by your ISP See Chapter 5 for more information The IP address of your ISP s Domain Name System DNS server On each PC to which you want to assign static information follow the instructions on pages...

Page 16: ...ger which enables you to configure the operation of the device via your Web browser The settings that you are most likely to need to change before using the device are grouped onto a single Quick Configuration page Follow these instructions configure the device settings 1 At any PC connected to the Neobit 1012VAvia Ethernet open your Web browser and type the following URL in the address location b...

Page 17: ...vided Note in some configurations the public IP address should be entered on your PC rather than on the ADSL Ethernet router check with your ISP Primary Secondary DNS Server Enter the Primary and Secondary DNS addresses provided by your ISP If you selected Auto Discovery User Configured you are not required to enter addresses here they will be used in addition to any addresses discovered automatic...

Page 18: ...am We strongly recommend that you contact your ISP prior to changing the default configuration Table 1 Default Settings Summary Option Default Setting Explanation Instructions DHCP Dynamic Host Configuration Protocol DHCP server enabled with the following pool of addresses 192 168 1 3 through 192 168 1 20 The Neobit 1012VAmaintains a pool of private IP addresses for dynamic assignment to your LAN ...

Page 19: ...hould turn off LAN Solid green to indicate that the device can communicate with your LAN DSL Solid green to indicate that the device has successfully established a connection with your ISP Data Flashing when the device is sending or receiving data from the Internet It may be unlit flashing or appear solid depending on the current activity If the LEDs illuminate as expected test your Internet conne...

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Page 21: ...n the Quick Start chapter A web browser installed on the PC The program is designed to work best with Microsoft Internet Explorer version 5 0 Netscape Navigator version 4 7 or later versions You can access the program from any computer connected to the Neobit 1012VAvia the LAN ports 1 From a LAN computer open your web browser type the following URL in the web address or location box and press Ente...

Page 22: ...our user name and password and then click The first time you log into the program use these defaults Default User Name root Default Password root Note You can change the password at any time see Changing Your Login Password on page 32 The user name cannot be changed The System View page on the Home tab displays each time you log into the program shown in Figure 5 on page 29 ...

Page 23: ...r in more than one tab when appropriate For example the Lan Config task displays in both the LAN tab and the Routing tab Commonly used buttons The following buttons are used throughout the application Button Function Stores in temporary system memory any changes you have made on the current page See Committing your changes on page 33 for instructions on storing changes permanently Redisplays the c...

Page 24: ... table Table Heading Description Device Displays basic information about the Neobit 1012VAhardware and software versions the system uptime since the last reboot and the pre configured operating mode DSL Displays performance statistics for the DSL line You can click DSL in WAN tab to display additional DSL settings which are described in Chapter 14 WAN Interfaces Displays the software name s and va...

Page 25: ...hese interfaces see Chapter 5 Services Summary Displays the following services that the Neobit 1012VAperforms to help you manage your network o Translating private IP addresses to your public IP address NAT see Chapter 8 o Setting up filtering rules that accept or deny incoming or outgoing data IP Filter see Chapter 18 o Enabling router to router communication RIP see Chapter 9 o Dynamic assignmen...

Page 26: ...ISP described in Chapter 12 To change the Configuration Manager login password 1 Click the Admin tab The User Password Configuration page displays by default Figure 6 User Password Configuration Page 2 Type your current password in the Old Password text box 3 Type the new password in the New Password text box and again in the Confirm New text box The password can be up to eight ASCII characters lo...

Page 27: ...s from RAM to permanent storage called flash memory Note Submitting changes activates them immediately but saves them only until the device is reset or powered down Committing changes saves them permanently Follow these steps to commit changes to permanent storage 1 Click the Admin tab and then click Commit Reboot in the task bar The Commit Reboot page displays Figure 7 Commit Reboot Page 2 Click ...

Page 28: ...including any changes you just committed Reboot from Backup Configuration Reboots the device using settings stored in backup memory These are the settings that were in effect before you committed new settings in the current session Reboot from Default Configuration Reboots the device to default settings provided by your ISP or the manufacturer Choosing this option erases any custom settings WARNIN...

Page 29: ...set of IP addresses that you want to use with your network If your network uses a DHCP server other than the ADSL Ethernet router to assign IP addresses you can configure the device to accept and use a LAN IP address assigned by that server Similarly if your ISP performs DHCP serving for your network you can configure the device to accept an IP address assigned from the ISP s server In this mode t...

Page 30: ...Chapter 5 Neobit 1012VA II ADSL Ethernet Router User s Guide 36 Figure 8 LAN Configuration Page ...

Page 31: ...a fixed address If you are using routing services on you LAN such as DHCP and NAT you will want to assign a fixed LAN IP address and mask This ensures that your LAN computers have a fixed address that they use to communicate with the device The IP address you assign must be on the same subnet as your LAN computers that connect to this port that is the network ID portion of their IP addresses and t...

Page 32: ...d the DHCP service the ADSL Ethernet router will initiate a request for an IP address from your LAN s DHCP server Assuming a different IP address is assigned your current connection will be terminated 4 Reconfigure your PCs if necessary so that their IP addresses place them in the same subnet as the new IP address of the LAN port See the Quick Start chapter Part 2 Configuring Your Computers for in...

Page 33: ...k masks Net Mask and interface names IF Name for each of its IP enabled interfaces The listed IP addresses may include The IP address of the device s LAN Ethernet port called eth 0 See Chapter 5 for instructions on configuring this address The IP address of the WAN ADSL line interface which your ISP and other external devices use to identify your network It may be identified in the Configuration M...

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Page 35: ...ess or you specified that it will receive IP information dynamically automatically If you chose to have the information assigned dynamically then you configured your PCs as DHCP clients that will accept IP addresses assigned from a DCHP server such as the Neobit 1012VA The DHCP server draws from a defined pool of IP addresses and leases them for a specified amount of time to your computers when th...

Page 36: ...If your ISP performs the DCHP server function for your network then you can configure the device as a DHCP relay agent When the Neobit 1012VAreceives a request for Internet access from a computer on your network it contacts your ISP for the necessary IP information and then relays the assigned information back to the computer If you have another PC or device on your network that is already perform...

Page 37: ...ailed instructions see the Quick Start chapter Part 2 Configuring Your Computers Next you define the pools of IP addresses you want to make available for distribution to your computers These addresses can be multiple public addresses that you have purchased from your ISP but are typically private addresses that you create LAN administrators often create private IP addresses for use only on their n...

Page 38: ...Chapter 7 Neobit 1012VA II ADSL Ethernet Router User s Guide 44 Figure 11 DHCP Server Pool Add Page ...

Page 39: ...o the network and which portion refers to the host computer For a description of network masks and LAN network masks see 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 LAN called a subnet Domain Name A user friendly name that refers to the group of computers subnet that will be assigned addresses from...

Page 40: ... instructions in Setting the DHCP Mode on page 49 to set the DHCP mode to DHCP Server Viewing modifying and deleting address pools and excluding IP addresses from a pool To view modify or delete an existing address pool display the DHCP Server Configuration page and click the icons in the corresponding row in the address pool table To delete an IP address pool click then submit and commit your cha...

Page 41: ...r to that shown in Figure 13 Figure 13 DHCP Server Address Table Page The DHCP Server Address Table lists any IP addresses that are currently leased to LAN devices For each leased address the table lists the following information Field Description IP Address The address that has been leased from the pool Netmask The network mask associated with the leased address which identifies the network ID an...

Page 42: ...ecify the IP address of the DHCP server and select the interfaces on your network that will be using the relay service 2 Log into the Configuration Manager click the LAN tab and then click DHCP Relay in the task bar The DHCP Relay Configuration page displays Figure 14 DHCP Relay Configuration Page 3 Type the IP address of your ISP s DHCP server in the fields provided If you do not have this number...

Page 43: ... See Configuring DHCP Server on page 43 or Configuring DHCP Relay on page 48 for additional instructions Follow these instructions to set the DHCP mode 1 Click the LAN tab and then click DHCP Mode in the task bar The DHCP Configuration page displays as shown in Figure 15 Figure 15 DHCP Configuration Page 2 From the DHCP Mode drop down list choose DHCP Server DHCP Relay or none If you choose none y...

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Page 45: ...T 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 packet will be replaced by the LAN s public IP address Definitions An IP data packet contains bits of data bundled together in a specific format for efficient transmission over the Internet Such packets are the buildin...

Page 46: ...swapped out before your computers access the Internet The type of NAT function described above is called network address port translation napt You can use other types called flavors of NAT for other purposes for example providing outside access to your LAN or translating multiple private addresses to multiple public addresses By default NAT is enabled with an napt rule configured that translates a...

Page 47: ... the specified time has elapsed TCP Def Timeout sec For a NAT translation session on data that uses the TCP protocol the translation will no longer be performed if no matching data packets are received after the specified time has elapsed UDP Timeout sec Same as TCP Idle Timeout but for UDP packets ICMP Timeout sec Same as TCP Idle Timeout but for ICMP packets GRE Timeout sec Same as TCP Idle Time...

Page 48: ...SL Ethernet Router User s Guide 54 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: ...escription of these fields refer to the instructions for adding rules pages 58 through 67 From the NAT Rule Configuration page you can click to add a new rule or use the icons in the right column to delete or view details on a rule To view data on how often a specific NAT rule has been used click in the Action s column A page similar to the one show in Figure 19 displays Figure 19 NAT Rule Statist...

Page 50: ...translation session Rule ID The ID of the NAT rule invoked Interface The device interface on which the NAT rule was invoked from the rule definition Protocol The IP protocol used by the data packets that are undergoing translations from the rule definition Example TCP UDP ICMP Alg Type The Application Level Gateway ALG if any that was used to enable this NAT translation ALGs are special settings t...

Page 51: ...to which the private IP address was translated In Address The private IP address that was translated Out Address The IP address of the outside destination web ftp site etc In Out Packets The number of incoming and outgoing IP packets that have been translated in this translation session In Ports The actual port number corresponding to the LAN computer Out Ports The port number associated with the ...

Page 52: ...ration page see page 52 The Introduction to NAT on page 51 describes how the napt rule works 1 Click the NAT tab then select NAT Rule Entry from the NAT Options drop down list on the right side of the page The NAT Rule entry page displays a row for each currently configured NAT rule 2 Click to display the NAT Rule Add page The NAPT flavor displays by default in the Rule Flavor drop down list The N...

Page 53: ... can create an additional napt rule for each address These addresses should correspond to private addresses already in use on your network either assigned statically to your PCs or assigned dynamically using DHCP as discussed in the Quick Start 6 In the Global Address From and Global Address To fields type the public IP address assigned to you by your ISP If you have multiple WAN interfaces in bot...

Page 54: ...ceives a packet containing a request for access to your Web server The packet header contains the public address for your LAN as the destination IP address and a destination port number of 80 Because you have set up an rdr rule for incoming packets with destination port 80 the device recognizes the data as a request for Web server access The device changes the packet s destination address to the p...

Page 55: ...al redundant servers to help ensure efficient network performance These addresses should correspond to private addresses already in use on your network either assigned statically to your PCs or assigned dynamically using DHCP as discussed in the Quick Start Part 2 5 In the Global Address From and Global Address To fields type the public IP address assigned to you by your ISP If you have multiple W...

Page 56: ...rt number in packets destined for your LAN computer to the non standard number you specify For example if your Web server uses non standard port 2000 but you expect incoming data packets to refer to standard port 80 you would enter 2000 here and 80 in the Destination Port fields The headers of incoming packets destined for port 80 will be modified to refer to port 2000 The packet can then be route...

Page 57: ...Select the interface on which this rule will be effective 3 Select a protocol to which this rule applies or choose ALL This selection specifies which type of Internet communication will be subject to this translation rule You can select ALL if the rule applies to all data Or select TCP UDP ICMP or a number from 1 255 that represents the IANA specified protocol number 4 In the Local Address From an...

Page 58: ...description You can use the filter rule if you want an address translation to occur only when your LAN computers initiate access to specific destinations The destinations can be identified by their IP addresses server type such as FTP or Web server or both Figure 25 shows the fields used to establish a filter rule Figure 25 NAT Rule Add Page filter Flavor Follow these instructions to add a filter ...

Page 59: ...ering that value in both fields Specify a destination address or range if you want this rule to apply only to outbound traffic to the address or range If you enter only the network ID portion of the destination address then the rule will apply to outbound traffic to all computers on network Specify a destination ports or range if you want this rule to apply to any outbound traffic to the types of ...

Page 60: ...ed to provide external access to a LAN device They do not provide the same level of security as rdr rules because rdr rules also reroute incoming packets based on the port ID Bitmap rules do not account for the port number and therefore allow external access regardless of the destination port type specified in the incoming packet Figure 26 shows the fields used to establish a bitmap rule Figure 26...

Page 61: ... rule say rule ID 5 then you can create a pass rule with ID 1 through 4 Follow these instructions to add a pass rule see steps 1 4 under The napt rule on page 58 for detailed instructions corresponding to steps 1 and 2 below 1 Display the NAT Rule Add Page select PASS as the Rule Flavor and enter a Rule ID 2 Select the interface on which this rule will be effective 3 In the Local Address From and ...

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Page 63: ...vy traffic ISPs typically provide primary and secondary DNS addresses and may provide additional addresses Your LAN PCs learn these DNS addresses in one of the following ways Statically If your ISP provides you with their DNS server addresses you can assign them to each PC by modifying the PCs IP properties Dynamically from a DHCP pool You can configure the DHCP Server feature on the ADSL Ethernet...

Page 64: ...this option provides the advantage that you will not need to reconfigure the PCs or the ADSL Ethernet router if the ISP changes their DNS addresses Configured on the ADSL Ethernet router You can use the device s DNS feature to specify the ISP s DNS addresses If the device also uses a PPP interface with the Use DNS property enabled then these configured addresses will be used in addition to the two...

Page 65: ...and then click 3 Click the Admin tab and then click Commit Reboot in the task bar 4 Click to save your changes to permanent memory Note DNS addresses that are assigned to LAN PCs prior to enabling DNS relay will remain in effect until the PC is rebooted DNS relay will only take effect when a PC s DNS address is the LAN IP address Similarly if after enabling DNS relay you specify a DNS address othe...

Page 66: ...t through cable Hold the connectors at each end of the cable side by side in the same position If the order of their color coded wire pairs is the same it is a straight through type Contact Customer Support if your cable is not the correct type Verify that your cable is sufficient for your network requirements A 100 Mbit sec network 10BaseTx should use cables labeled Cat 5 10Mbit sec cables may to...

Page 67: ...se you can reset the device to the default configuration by pressing the Reset button on the back panel of the device using a pointed object such as a pen tip Then type the default User ID and password shown above WARNING Resetting the device removes any custom settings and returns all settings to their default values Cannot access the Configuration Manager program from your browser Use the ping u...

Page 68: ...e IP address on your LAN or a public IP address for an Internet site if known If the target computer receives the message a Command Prompt window displays like that shown in Figure 63 Figure 63 Using the ping Utility If the target computer cannot be located you will receive the message Request timed out Using the ping command you can test whether the path to the Neobit 1012VAis working using the p...

Page 69: ...indows based computers you can execute the nslookup command from the Start menu Click the Start button and then click Run In the Open text box type the following nslookup Click A Command Prompt window displays with a bracket prompt At the prompt type the name of the internet address your are interested in such as www microsoft com The window will display the associate IP address if known as shown ...

Page 70: ... by prompting for a password binary The base two system of numbers that uses only two digits 0 and 1 to represent all numbers In binary the number 1 is written as 1 2 as 10 3 as 11 4 as 100 etc Although expressed as decimal numbers for convenience IP addresses in actual use are binary numbers e g the IP address 209 191 4 240 is 11010001 10111111 00000100 11110000 in binary See also bit IP address ...

Page 71: ...r friendly name used in place of its associated IP address For example www globespan net is the domain name associated with IP address 209 191 4 240 Domain names must be unique their assignment is controlled by the Internet Corporation for Assigned Names and Numbers ICANN Domain names are a key element of URLs which identify a specific file at a web site e g http www globespan net index html See a...

Page 72: ... An Internet protocol used to report errors and other network related information The ping command makes use of ICMP IGMP Internet Group Management Protocol An Internet protocol that enables a computer to share information about its membership in multicast groups with adjacent routers A multicast group of computers is one whose members have designated as interested in receiving specific content fr...

Page 73: ... publicly known IP address into a private IP address for each computer on your LAN Only your router and your LAN know these addresses the outside world sees only the public IP address when talking to a computer on your LAN NAT rule A defined method for translating between public and private IP addresses on your LAN network A group of computers that are connected together allowing them to communica...

Page 74: ...pes of PPP interfaces you can define for a Virtual Circuit VC the other type being PPPoA You can define one or more PPPoE interfaces per VC protocol A set of rules governing the transmission of data In order for a data transmission to work both ends of the connection have to follow the rules of the protocol remote In a physically separate location For example an employee away on travel who logs in...

Page 75: ...k mask subnet mask A mask that defines a subnet See also network mask TCP See TCP IP TCP IP Transmission Control Protocol Internet Protocol The basic protocols used on the Internet TCP is responsible for dividing data up into packets for delivery and reassembling them at the destination while IP is responsible for delivering the packets from source to destination When TCP and IP are bundled with h...

Page 76: ...ith respect to the Neobit 1012VA WAN refers to the Internet Web browser A software program that uses Hyper Text Transfer Protocol HTTP to download information from and upload to web sites and displays the information which may consist of text graphic images audio or video to the user Web browsers use Hyper Text Transfer Protocol HTTP Popular web browsers include Netscape Navigator and Microsoft In...