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LevelOne FBR-1100TX, Руководство пользователя

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37

Chapter 5
DHCP

This Chapter covers the use of DHCP, using either an
existing DHCP Server or the LevelOne Broadband
Router's DHCP Server function.

Overview

If your (internal) LAN does not use DHCP, and you do not wish to use
DHCP, you can ignore this chapter.

What DHCP Does

A DHCP (Dynamic Host Configuration Protocol) 

server

 allocates a

valid IP address to a DHCP

 client

 (PC or device) upon request.

•

  The client request is normally made when the client device boots.

•

  The DHCP Server provides the 

Gateway

 and 

DNS

 addresses to

the client, as well as allocating an IP Address.

•

  Windows 95 includes all the software required to act as a DHCP

client

.

•

  The LevelOne Broadband Router can act as a 

DHCP server

.

5

Содержание FBR-1100TX

Страница 1: ...P N 9590B502A0 LevelOne FBR 1100TX 1 Port BroadBand Router User s Guide...

Страница 2: ...ny interference received includ ing interference that may cause undesired operation CE Marking Warning This is a Class A product In a domestic environment this product may cause radio interference in...

Страница 3: ...ration Program 12 Home Screen 15 LAN Port Configuration 16 WAN Port Configuration 19 Status Screens 23 Chapter 4 PC Configuration 31 Overview 31 TCP IP Settings 31 Internet Access 35 Accessing AOL 36...

Страница 4: ...Advanced Internet Screen 51 Special Applications 52 Virtual Servers 56 Exposed Computer 62 Chapter 9 Access Control 65 Overview 65 Security Groups 66 Workstations 69 Administrator Defined Filters 71...

Страница 5: ...allow multiple LAN users to share an Internet user account via a DSL or Cable modem Once the LevelOne Broadband Router is installed and configured the Inter net is just a click away 10 100BaseT LAN I...

Страница 6: ...for devices on your local LAN DHCP Client Support On the WAN port the LevelOne Broadband Router can act as a DHCP Client This allows the use of dynamic IP Addressing as used by the majority of ISPs M...

Страница 7: ...uch as Internet Videoconferencing Telephony Games Servers and other special purpose Servers are supported Exposed Computer One 1 PC on your local LAN can be exposed to the Internet This allows unrestr...

Страница 8: ...ting the multiple internal IP ad dresses into a single external IP address For external requests any attempt to connect to local resources is blocked The LevelOne Broadband Router will not reverse tra...

Страница 9: ...ct the 10BaseT cabling RJ45 connector for the DSL Cable Modem here p p p p LAN port Auto sensing 10 100BaseT Connect the LAN cable RJ45 connec tors from this port to a 10BaseT or 100BaseT hub q q q q...

Страница 10: ...operation when data is transmitted or received through the WAN port v v v v DIP switches Refer to DIP Switches on page 8 LED Table The LINK ERR LED will flash in GREEN during normal operation as data...

Страница 11: ...ddress and clear Password See below D 1 on 2 on Normal Operation Restore Default IP Address and Clear Password If the LevelOne Broadband Router s IP Address or password is lost the following procedure...

Страница 12: ...her configuration data is unchanged IP Address set to its default value of 192 168 0 1 Network Mask set to 255 255 255 0 The password cleared no password 6 You can now connect to the LevelOne Broadban...

Страница 13: ...LevelOne Broadband Router in your LAN Requirements Ethernet Network employing 10BaseT and the TCP IP protocol For Internet Access a DSL or Cable modem and an Internet Access account with a local ISP I...

Страница 14: ...band Router Use the cable supplied with your modem If no cable was provided use a standard network cable 4 Connect Power Adapter Connect the LevelOne Broadband Router s power adapter to the LevelOne B...

Страница 15: ...onfiguration may also be re quired depending on which features and functions of the LevelOne Broadband Router you wish to use Use the table below to locate detailed instructions for the required funct...

Страница 16: ...roadband Router contains an HTTP server This enables you to connect to it and configure it using your Web Browser Most Browsers should work provided they support HTML tables and forms Preparation Befo...

Страница 17: ...t respond check the following The LevelOne Broadband Router is properly installed LAN connections are OK and it is powered ON Ensure that your PC and the LevelOne Broadband Router are on the same netw...

Страница 18: ...this dialog will not appear Instead you will immediately see the Home screen which contains helpful informa tion for first time users Navigation Data Input Most screens contain a navigation bar on th...

Страница 19: ...is shown below No data can be input from this screen Figure 5 Home Screen Note that the navigation bar contains a Help button Context sensitive help is available from each screen From this screen the...

Страница 20: ...uide 16 LAN Port Configuration To configure the LAN port select Device LAN Port You will see a screen like the example below Figure 6 LAN Port LAN Port Data For most users the default values for these...

Страница 21: ...roadband Router is attached i e the same value as the PCs on that LAN segment Data DHCP Server A DHCP Dynamic Host Configuration Protocol server provides a valid IP address and the Gateway and DNS add...

Страница 22: ...his range also determines the number of DHCP clients supported Maximum number of clients is 253 DNS Domain Name Server IP Addresses Enter at least 1 DNS Your ISP should recom mend a DNS If they don t...

Страница 23: ...by the remote LAN is different to the IP Address on the local LAN To configure the WAN port first select the appropriate connection type Direct Connection or PPPoE on the Device screen below and then...

Страница 24: ...e Retrieve Defaults button will recover the default Device Name and clear the other items After clicking this button you must click Save to restore the default values to the LevelOne Broadband Router...

Страница 25: ...the remote LAN WAN or ISP account If this is enabled the IP Address information below is NOT required Fixed IP Ad dress Select this if using a fixed IP Address If this option is selected the followin...

Страница 26: ...in order to complete the remote con nection This data is provided by your ISP Internet Service Provider Data PPPoE Screen Account User Name The name of the Internet account provided by your ISP Passw...

Страница 27: ...his should be Enabled If disabled you must use the Connect button on the Status screen to establish a connection Buttons Save save any data you have entered on this screen Remember to save before chan...

Страница 28: ...ternet IP Address The IP Address of this device as seen by de vices on the Internet This device has 2 IP Addresses one for the local LAN and another for the WAN port Network Mask The Network Mask for...

Страница 29: ...n has no effect unless acting as a DHCP Client Refresh Update the data on screen WAN Status PPPoE Figure 11 WAN Status PPPoE Data Physical Ad dress The hardware address of this device IP Address The I...

Страница 30: ...t ing connection The most common messages are listed in the table below The Clear Log button will restart the Log while the Refresh button will update the messages shown on screen Message Description...

Страница 31: ...ver did not respond This could be a Server problem or a problem with the link to the Server Error PPP Con nection failed Unable to establish a PPP connection with the ISP s Server This could be a logi...

Страница 32: ...nnection to your ISP Disconnect If connected to your ISP hang up the connection Clear Log Delete all data currently in the Log This will make it easier to read new messages Refresh Contact this device...

Страница 33: ...WAN Status screen An example screen is shown below Figure 12 Status Screen Device Firmware Ver sion Version of the firmware embedded software including this program which is currently installed Hardwa...

Страница 34: ...s abled DHCP Table This table will be empty unless the DHCP Server function is being used If it is being used this table lists the devices on the local LAN which have been allocated IP Addresses by th...

Страница 35: ...view For each PC the following needs to be checked and configured if necessary TCP IP Internet Access TCP IP Settings To check your PC s TCP IP Settings 1 Select Control Panel Network You should see a...

Страница 36: ...ss Win 95 The correct TCP IP will vary according to your situation as explained in the following sections If you have a Router If your LAN contains 1 or more Routers do NOT change any TCP IP settings...

Страница 37: ...rator should check the DHCP Server configuration as described in Checking your DHCP Server on page 40 Also the DHCP Server function in the LevelOne Broadband Router should be turned OFF This set ting...

Страница 38: ...68 0 1 and Network Mask 255 255 255 0 the PCs must use addresses from 192 168 0 2 to 192 168 0 254 Network Mask All PCs and the LevelOne Broadband Router need to be using the same value for the Networ...

Страница 39: ...the Connection tab and click the Setup button 3 Select I want to set up my Internet connection manually or I want to connect through a local area network LAN and click Next 4 Select I connect through...

Страница 40: ...OL for Windows communication software Ensure that it is Version 2 5 3 0 or later This procedure will not work with earlier versions Click the Setup button Select Create Location and change the locatio...

Страница 41: ...is chapter What DHCP Does A DHCP Dynamic Host Configuration Protocol server allocates a valid IP address to a DHCP client PC or device upon request The client request is normally made when the client...

Страница 42: ...check if your PC is acting as a DHCP client by using the following procedure For other operating systems check your system documentation 1 Select Control Panel Network You should see a screen like th...

Страница 43: ...Properties button You should then see a screen like the following Figure 16 IP Address Win 95 4 If the radio button for Obtain an IP address automatically is checked as shown above then your PC is ac...

Страница 44: ...etwork Mask matches the value entered on the LevelOne Broadband Router s LAN Port screen DNS IP Address matches the value entered on the LevelOne Broadband Router s LAN Port screen Gateway is set corr...

Страница 45: ...as described below To configure your PCs to use DHCP Your PCs must be configured to act as DHCP clients For Windows 95 the procedure is detailed below For other operating systems check your system do...

Страница 46: ...ddress Win 95 4 Click on the radio button Obtain an IP address automatically as shown above This sets the DHCP client ON To reserve an IP Address for a particular DHCP client so that it always receive...

Страница 47: ...atic routing table this feature can be completely ignored if you do not have a router in your LAN If you DO have a router it is necessary to configure BOTH the Router and the Routing table in the Leve...

Страница 48: ...een Routing Table Data An entry in the routing table is required for each LAN segment on your Network other than the segment to which this device is attached The data in the Routing Table is as follow...

Страница 49: ...tial that all IP packets for devices not on the local LAN be passed to the LevelOne Broadband Router so that they can be for warded to the Internet To achieve this the local LAN must be configured to...

Страница 50: ...will be the same as the LevelOne Broadband Router s local router with the exception of the Gateway IP Address For a router with a direct connection to the LevelOne Broadband Router s local Router the...

Страница 51: ...ers and 3 LAN segments the required entries would be as follows For the LevelOne Broadband Router s Routing Table The LevelOne Broadband Router requires 2 entries as follows Entry 1 Segment 1 Destinat...

Страница 52: ...tination IP Address 0 0 0 0 Network Mask 0 0 0 0 Gateway IP Address 192 168 0 1 LevelOne Broadband Router s IP Address For Router B s Default Route Destination IP Address 0 0 0 0 Network Mask 0 0 0 0...

Страница 53: ...dband Router s Device Options screen Overview The Device screen is reached by selecting the Device on the naviga tion bar then Device Options The options available on this screen are Password NAT Netw...

Страница 54: ...k Address Translation NAT allows PCs on your LAN to use a local internal IP Address which is invalid on the Internet NAT ensures that the local IP Ad dresses are invisible to external sources Use the...

Страница 55: ...ed to provide shared Internet access the following advanced features are provided Special Applications Virtual Servers Exposed Computer This chapter contains details of the configuration and use of ea...

Страница 56: ...ish to use Internet applications which require 2 way communication multiple connections or com bined TCP UDP connections Examples of such applications are Internet Videoconferencing Te lephony Games S...

Страница 57: ...Screen Using a Special Application Ensure that Special Applications has been enabled on the Ad vanced Internet screen Configure the Special Applications screen as required Configuration data must be...

Страница 58: ...es Click Update To Create a new Application Click Clear Form Enter the required data as described below Click Add To List all Applications Click List All Configuration Data from Service Provider This...

Страница 59: ...ng Data Protocol The protocol TCP or UDP used when the applica tion or service sends data to you Port Range Start The beginning of the range of port numbers used by the application server when data is...

Страница 60: ...Address Attempts to connect to devices on your LAN are blocked by the firewall in this device The Virtual Server feature solves these problems and allows Internet users to connect to your servers as...

Страница 61: ...e WAN Port screen This address should be static rather than dynamic to make it easier for Internet users to connect to your Servers Types of Virtual Servers The LevelOne Broadband Router supports two...

Страница 62: ...on The Virtual Server screen is reached by the Advanced Internet Virtual Server link An example screen is shown below Figure 25 Virtual Server Screen Simply select the Server type or types you wish to...

Страница 63: ...User Defined Virtual Servers An example screen is shown below Figure 26 User Defined Virtual Servers This database operates in the same way as the other databases To Create a new Server Click Clear Fo...

Страница 64: ...ss of the PC on your LAN which is running the Server software Protocol Select the protocol TCP or UDP used by the Server Internal Port Number Enter the port number used by the Server to connect to cli...

Страница 65: ...tual Web Server Once this is done you can configure this device through the Internet For the remote PC the destination IP Address is the IP Address shown on the WAN Port screen Upon connecting to the...

Страница 66: ...o knows this address can connect to the Exposed Computer What happens after connection depends on what software both computers are using This allows connection to special purpose servers which require...

Страница 67: ...The only data required is the LAN IP Address Enter the IP Address of the PC on your LAN which will become the Exposed Computer Checking Once configured and enabled the Exposed Computer should respond...

Страница 68: ...LevelOne Broadband Router User Guide 64 This page was deliberately left blank...

Страница 69: ...default all PCs are in the Everyone group unless explicitly moved to an other group using the Workstation screen Set the desired restrictions on the other groups Group 1 Group 2 etc as needed For each...

Страница 70: ...te that the Security groups are pre named Everyone Group 1 Group 2 Group 3 and Group 4 Operations To Define a Security Group Select the group from the drop down box then enter the required data If nec...

Страница 71: ...Use this to create an Unlimited Access group or to temporarily remove restrictions from a group Block all Access Groups members cannot access the Internet at all Use this to create the most restricti...

Страница 72: ...cted by holding down the Ctrl key while selecting items Selected items can NOT be accessed by members of this group UDP Pack ets to Discard This lists any UDP filters you have defined on the Administr...

Страница 73: ...eviously entered If none have been entered this box will be empty Operations To Add a New Workstation Ignore the drop down box click the Clear Form button and enter the Workstation details in the fiel...

Страница 74: ...gram or your LAN management program to find this address Reserve entry in DHCP Table Check this if you wish to reserve an IP address for this workstation This is useful if you have to provide the IP A...

Страница 75: ...e Access Control link on the navigation bar An example screen is shown below Figure 30 Administrator Defined Filters This screen allows you to define packet filters When you define secu rity groups on...

Страница 76: ...Port Number for this type of packet A Network Analyzer or Packet Sniffer can be used to determine the correct port number UDP Packets Define the packets you wish to be filtered out by entering the fo...

Страница 77: ...rly contact your dealer for further advice General Problems Problem 1 Can t connect to the LevelOne Broadband Router to configure it Solution 1 Check the following The LevelOne Broadband Router is pro...

Страница 78: ...192 168 0 2 to 192 168 0 254 and thus compati ble with the LevelOne Broadband Router s default IP Address of 192 168 0 1 Also the Network Mask should be set to 255 255 255 0 to match the LevelOne Bro...

Страница 79: ...it check the LAN and power connections If the LevelOne Broadband Router is configured correctly check your Internet connection DSL Cable modem etc to see that it is working correctly Problem 2 Some ap...

Страница 80: ...LevelOne Broadband Router User Guide 76 Only one 1 PC can use this feature When the Exposed Computer feature is being used the Special Applications and Virtual Server features should be disabled...

Страница 81: ...elOne FBR 1100TX 1 Port BroadBand Router Dimensions 120mm W 93mm D 30mm H Operating Temperature 0 C to 40 C Storage Temperature 10 C to 70 C Network Protocol TCP IP Network Interface 2 Ethernet 1 10 1...

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