Linksys Router BEFW11P1 User Manual
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Etherfast ®Wireless AP + Cable/DSL Router with PrintServer AllocatedThis f ield will show the IP Addresses presently allocated to the other clients on your Network. When you are ready to save any changes you have made, click the Savebut- ton. To undo any changes, click the Cancelbutton. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen. 16 15 Instant Broadband TMSeries You can access this screen at any time by clicking the DHCPbutton. A DHCP (Dynamic Host Conf iguration Protocol) Server allocates a valid IP Address to the DHCP Clients that it serves, when the client device boots. The DHCP Server also provides the Gateway and DNS addresses to the client. Oper ation The DHCP Server function is enabled by default. Select Disable DHCP Server to disable this function. You will want to disable the DHCP Server when your Network is already using another DHCP Server. You can only use one DHCP Server.IP Ad dr ess Rang e This range represents the range of IP addresses available in the DHCP pool that can be assigned to the PCs on your Network.DHCP Server
18 You can access this screen at any time by clicking the Optionsbutton.Pass wor d Once a password is entered, it is required in order to change the device conf ig- uration. Passwords are case sensitive and can be up to eight alphanumeric char- acters in length. To create or change a password, enter the password in both the New password and Verify password f ields. 17 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer Ad ditional DNS The f ields for secondary and tertiary DNS IP Addresses are optional and should only be completed if provided by your ISP.NAT NAT (Network Address Translation) allows PCs on your Network to share a single external (Internet) IP Address. This IP Address is supplied by your ISP. Use the following to determine if you need NAT: • For Internet access, NAT must be enabledunless all of the PCs on your Network have valid external (or public) IP Addresses. • If the Wireless AP + Cable/DSL Router is not being used to provide shared Internet access, NAT is not normally necessary. With NAT disabled, the Wireless AP + Cable/DSL Router will act as a static router. • If NAT is disabled, the Firewall protection provided by the Wireless AP + Cable/DSL Router is lost and the Advanced Features (Special Applications, Access Control, Virtual Servers, DMZ, and Routing) are no longer avail- able. When you are ready to save any changes you have made, click the Savebut- ton. To undo any changes before saving, click the Cancelbutton. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen. Instant Broadband TMSeries Device Options NOTE:When prompted for the password, leave the “User Name” f ield blank.
20 19 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer • SSID (Service Set Identifier).All Wireless devices in your Network must use the same SSID. Make sure that this f ield reflects the correct SSID for your network. • Channel No:All Wireless devices in your Network must use the same SSID. Make sure that this f ield reflects the correct channel for your network. Should you experience any interference, you may need to experiment with different channels to establish a better connection.WEP Data Pri vacy WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 64-bit or 128-bit shared key algorithm, as described in the IEEE 802.11b standard. Using a 128-bit shared key algorithm will increase network security. However, you may experience decreased network performance when using a 128-bit shared key algorithm. • Off - no data encryption.When WEP is turned off, data will not be encrypt- ed before being transmitted, compromising security. • 64 Bit Encryption using this key table.For your wireless Network to utilize WEP encryption, an encryption key must be entered f ields. All wireless devices on your Network must utilize the same encryption key and all keys must be set identically. • Default Key.Select the algorithm key to be used in your 64-bit WEP-enabled wireless Network. • 128 Bit Encryption using this key.For your wireless Network to utilize WEP encryption, an encryption key must be entered f ields. All wireless devices on your Network must utilize the same encryption key and all keys must be set identically. The WEP keys (1 - 4) are f ive two-digit numerals in length and can be any numeric combination. However, these keys must be used identically for each point on your wireless Network. Instant Broadband TMSeries You can access this screen at any time by clicking the Wirelessbutton. Any changes made to the Wireless settings must match those of the other wire- less devices in your Network.Conf igur ation • Regulatory Domain.It is illegal to use this device in any location outside of the Regulatory Domain. • Station Name.This is the same as the Device Name that was set on the Basic Setup screen. Wireless
22 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer You can access this screen at any time by clicking the Statusbutton. The Status screen will display current data on your Wireless Access Point Router. This screen will change if you do not enable PPPoE.Har dwar e • Firmware Version.Displays the current program code installed on the hard- ware. • Hardware ID.This is utilized by Linksys to identify this device. • NAT (Network Address Translation).This will display your current NAT selection.Status Instant Broadband TMSeries W ireless Stations • Access Permission. When Allow everyone access, the default selection, is utilized, no check is performed on the station’s address before allowing it to use the Wireless AP + Cable/DSL Router. If you chose Only allow access if on this list, then a station must have an address that appears on the address list. • Existing Stations.This lists the IP Addresses of those wireless stations in your Network with access to the Wireless AP + Cable/DSL Router. • New Station.To add a new station to the list above, enter its address here and click the Addbutton. When you are ready to save any changes you have made, click the Savebut- ton. To undo any changes, click the Cancelbutton. If you have any questions about anything on this page, click the Helpbutton to bring up the Help window for this screen. 21
24 23 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer The Advanced Options screens gives you the opportunity for further cus- tomization of the Wireless AP + Cable/DSL Router. While the previous screens allowed you to setup the Wireless AP + Cable/DSL Router to use, the Advanced Options screens are optional and should not be modif ied without consulting either your Network Administrator or reading this user guide. Help buttons are provided on each screen. If you make a mistake, return to one of the previous screens and click the Cancel button. You can access this screen at any time by clicking the Advanced button and then clicking the Special Appsbutton. This feature is only required if you wish to use Internet applications that require 2-way communication, multiple connections, or combined TCP/UDP connec- tions. Some examples of such applications are Internet Video-conferencing, IP Telephony, Games Servers, and other special-purpose Servers.Advanced OptionsSpecial Applications Instant Broadband TMSeries LAN Por t • Physical Address.This is the physical address (Hardware MAC Address) of the LAN Port to which an IP address has been allocated. • IP Address.This is the Wireless AP + Cable/DSL Router’s IP Address, as seen by the other devices on your Network. • Network Mask.This is the Network Mask for the above IP Address. • DHCP Server.This is the status of the DHCP Server function, as selected on the DHCP Serverscreen.W AN P or t • Physical Address.This is the physical address that identif ies the Wireless AP + Cable/DSL Router to your ISP and should be used if your ISP requires you to register this with them. • IP Address.This is the Wireless AP + Cable/DSL Router’s IP Address, as seen by the other devices outside your Network. • Network Mask.This is the Network Mask for the above IP Address. • PPPoE Link Status.This shows the status of the PPPoE link, as specif ied on the Basic Setup screen. (If PPPoE has not been enabled, this selection will not appear.) • Connection Log.This log will only be enabled when PPPoE (PPP Over Ethernet)is selected on the Basic Setup Screen and will display your connec- tion activity. (If PPPoE has not been enabled, this selection will not appear.) Click the Connectbutton to connect your PPPoE link. Click the Disconnectbutton to disconnect your PPPoE link. To reload your Connection Log data, click the Clear Logbutton. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen.
You can access this screen at any time by clicking the Advanced button, fol- lowed by the Access Controlbutton, and then the Groupsbutton. The Access Control feature allows administrators to restrict Internet access through the Wireless AP + Cable/DSL Router’s by individual PCs on the net- work. The feature utilizes Packet Filtering to block or discard data packets.Selected Entry• Group.By default, this pull-down menu will always be set to Everyone, which means that all the Access Right for all PCs in the Network will be restricted uniformly according to the settings under Access Rights (below). 26 25 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer Access Control: Groups Instant Broadband TMSeries To Add a Ne w Application Click the Clear Formbutton and enter the Application’s details in the f ields provided. (This information is available in your application’s documentation.) Select either a UDP or TCP protocol from the drop-down box as shown. Click the Createbutton when completed. Ignore the drop-down menu next to Special Application. To Delete an Existing Application Selected the Application from the drop-down menu next to Selected Entry. Click the Get Databutton to view the information, if it is not brought up auto- matically, and conf irm that this is the correct Application. Then, click the Deletebutton. To Change an Existing Application’ s Details Select the Application from the drop-down menu next to Selected Entry. Click the Get Data button if the information on that particular Application is not brought up automatically. Make any necessary changes and click the Update button when completed. To List All of the Special Applications Click the List Allbutton to generate a list of all applications. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen.
When you are ready to save any changes you have made, click the Savebutton. To undo any changes before saving, click the Cancelbutton. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen. 28 To choose another Selected Entry, simply select the Group from the pull-down menu. Then, click the Get Databutton to bring up the information specif ic to that Selected Entry, if it does not come up automatically.Access RightsChanging the option in these f ields will affect the group selected under Selected Entry. Access Rights may be modif ied as follows: • No restrictions.No packets are blocked. Use this to create an “Unlimited Access” Group, or to temporarily remove restrictions from a group. • Block all Internet Access.Group members cannot access the Internet at all. Use this to create the most restrictive group. • Use Packet Filter Table below.Use this to def ine intermediate levels of access. Using the Packet Filter table gives you f ine control over Internet access.Pack et Filter Table Simply select the items you wish to block. You can choose from the pre-def ined f ilters in the Applications column or use your own pre-def ined f ilters (as shown in the Access Control:Filters section) in the TCP Packet Filters and UDP Packet Filters f ields. • Applications.Any items checked will be blocked. Users will not be able to use the application. • TCP Packet Filters.This lists any TCP f ilters you have def ined at the Access Control:Filters screen. If no f ilters have been def ined, this will appear empty. Multiple f ilters can be selected (or deselected) by holding down the Ctrlkey while selecting f ilters. Any f ilters selected will not be accessible by members of this group. • UDP Packet Filters.This lists any UDP f ilters you have def ined at the Access Control:Filters screen. If no f ilters have been def ined, this will appear empty. Multiple f ilters can be selected (or deselected) by holding down the Ctrl key while selecting f ilters. Any f ilters selected will not be accessible by mem- bers of this group. 27 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer Instant Broadband TMSeries
• Reserve entry in DHCP Table.Check this if you wish to reserve an IP Address for this PC. This is useful if you have to provide the IP Address for other programs or users. If this is left unchecked, the Reserve IP Addressf ield will not be active. • Reserved IP Address.When the Reserve entry in DHCP Tablebox is checked, this f ield will be active. Enter the reserve address here. This must be within the range used by the DHCP server. • Security Group.Use this f ield to identify the security group for this PC. The security group selected will be one of the Groups that was set on the Access Control:Groupsscreen. To Add a Ne w Workstation Click the Clear Formbutton and enter the Workstation details in the f ields pro- vided. Click the Createbutton when completed. Ignore the drop-down menu next to Existing PCs. To Delete an Existing Workstation Selected the Workstation from the drop-down menu next to Existing PCs. Click the Get Databutton to view the information, if it is not brought up auto- matically, and conf irm that this is the correct Workstation. Then, click the Deletebutton. To Change an Existing Workstation’ s Details Select the Workstation from the drop-down menu next to Existing PCs. Click the Get Data button, which will call up the information on that particular Workstation if it is not brought up automatically. Make any necessary changes and click the Updatebutton when completed. 30 You can access this screen at any time by clicking the Advanced button, fol- lowed by the Access Controlbutton, and then the PCsbutton.Selected Entry• Existing PCs.When this pull-down menu is active, it will show the names of the PCs currently connected to the Wireless AP + Cable/DSL Router. To choose another Selected Entry, simply select the PC from the pull-down menu. Then, click the Get Databutton to bring up the information specif ic to that Selected Entry, if it is not brought up automatically.Pr oper ties • Workstation Name.Use this f ield to identify the PC within the Network. • Hardware (MAC) Address.Enter the Hardware Address of the PC into this f ield. This is also called the Physical Address or Network Adapter Address. For information on how to determine your PC’s MAC address, refer to the “How to Determine Your PC’s MAC Address” section in the Appendix. 29 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer Instant Broadband TMSeries Access Control: PCs
You can access this screen at any time by clicking the Advanced button, fol- lowed by the Access Controlbutton, and then the Filtersbutton. The Access Control:Filters screen allows you to def ine packet f ilters for use on the Access Control:Groups screen. When you def ine security groups on the Access Control:Groups screen, you can select from any f ilters def ined here, along with those pre-set f ilters.TCP P ack ets • Name.Enter a name describing this f ilter. • Port No.Enter an integer representing the Port Number for this type of pack- et. This information can normally be provided by the service provider. Otherwise, refer to the documentation for the application you are looking to f il- ter, to f ind the specif ied portUDP P ack ets • Name.Enter a name describing this f ilter. 32 To List All of the Workstations Click the List Allbutton to generate a list of all workstations. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen. 31 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer Access Control: Filters Instant Broadband TMSeries
You can access this screen at any time by clicking the Advanced button and then clicking the Virtual Serversbutton. The Virtual Servers screen allows you to create virtual servers within your Network. In this way, you can make various resources accessible via your web browser and other applications. The Virtual Servers feature allows access to Servers on your network from the Internet. Without this feature, such access would be blocked by the Firewall. All of your Virtual Servers have the IP Address allocated by your ISP. This IP Address is shown on the Status screen. It is preferable to have your ISP allo- cate you a Fixed IP Address if you wish to use the Virtual Servers feature. Otherwise, this Address will change often, making if diff icult to connect to your Servers. This option should notbe used if your ISP provides you with a Dynamic IP Address. 34 • Port No.Enter an integer representing the Port Number for this type of pack- et. This information can normally be provided by the service provider. Otherwise a Network Analyzer or Packet Sniffer can be used to determine the correct port number. When you are ready to save any changes you have made, click the Savebutton. To undo any changes before saving, click the Cancelbutton. If you have any questions about anything on this screen, click the Helpbutton to bring up the Help window for this screen. 33 Etherfast ®Wireless AP + Cable/DSL Router with PrintServer Virtual Servers Instant Broadband TMSeries