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Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab

Wireless-G ADSL Home Gateway

Static IP

If you are required to use a permanent (static) IP address to connect to the Internet, then select

Use the

following IP Address

.

•

Internet IP Address. This is the Gateway’s IP address, when seen from the WAN, or the Internet. Your ISP
will provide you with the IP Address you need to specify here.

•

Subnet Mask. This is the Gateway’s Subnet Mask. Your ISP will provide you with the Subnet Mask.

•

Gateway. Your ISP will provide you with the default Gateway Address, which is the ISP server’s IP address.

•

Primary DNS (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS
(Domain Name System) Server IP Address.

•

PPPoE Session. Enable this function if it is required by your ISP. PPPoE settings will appear. See “RFC 2516
PPPoE” on the next page for explanations of these settings.

RFC 1483 Routed

If you are required to use RFC 1483 Routed, then select

RFC 1483 Routed

.

•

Internet IP Address. This is the Gateway’s IP address, when seen from the WAN, or the Internet. Your ISP
will provide you with the IP Address you need to specify here.

•

Subnet Mask. This is the Gateway’s Subnet Mask. Your ISP will provide you with the Subnet Mask.

•

Gateway. Your ISP will provide you with the default Gateway Address, which is the ISP server’s IP address.

•

Primary DNS (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS
(Domain Name System) Server IP Address.

Figure 5-5: RFC 1483 Routed

Figure 5-4: RFC 1483 Bridged - Static IP

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Содержание WAG54G

Страница 1: ...A Division of Cisco Systems Inc Model No ADSL Home Gateway Wireless G WAG54G User Guide WIRELESS GHz 802 11g 2 4 ...

Страница 2: ...en reading this User Guide In addition to these symbols there are definitions for technical terms that are presented like this Also each figure diagram screenshot or other image is provided with a figure number and description like this Figure numbers and descriptions can also be found in the List of Figures section in the table of contents This exclamation point means there is a Caution or Warnin...

Страница 3: ... G ADSL Home Gateway 10 Overview 10 Wired Connection to a Computer 11 Wireless Connection to a Computer 12 Chapter 5 Configuring the Wireless G ADSL Home Gateway 13 Overview 13 How to Access the Web based Utility 15 The Setup Tab 15 The Wireless Tab 23 The Security Tab 28 The Access Restrictions Tab 30 The Applications and Gaming Tab 32 The Administration Tab 37 The Status Tab 43 Appendix A Troubl...

Страница 4: ... Your Ethernet Adapter 65 Windows 98 or Me Instructions 65 Windows 2000 or XP Instructions 66 Appendix D Upgrading Firmware 67 Appendix E Glossary 68 Appendix F Regulatory Information 75 Appendix G Warranty Information 81 Appendix H Specifications 82 Appendix I Contact Information 84 ...

Страница 5: ... Power 12 Figure 5 1 Login Screen 15 Figure 5 2 Basic Setup 15 Figure 5 3 RFC 1483 Bridged Dynamic IP 16 Figure 5 4 RFC 1483 Bridged Static IP 16 Figure 5 5 RFC 1483 Routed 17 Figure 5 6 RFC 2516 PPPoE 17 Figure 5 7 RFC 2364 PPPoA 18 Figure 5 8 Bridged Mode Only 18 Figure 5 9 Optional Settings 19 Figure 5 10 DynDNS org 20 Figure 5 11 TZO com 20 Figure 5 12 Advanced Routing 21 Figure 5 13 Routing T...

Страница 6: ...ure 5 33 Allowed IP IP Range 37 Figure 5 34 Reporting 39 Figure 5 35 System Log 39 Figure 5 36 Ping Test 40 Figure 5 37 Backup Restore 40 Figure 5 38 Factory Defaults 41 Figure 5 39 Firmware Upgrade 41 Figure 5 40 Reboot 42 Figure 5 41 Gateway 43 Figure 5 42 Local Network 44 Figure 5 43 DHCP Active IP Table 44 Figure 5 44 ARP RARP Table 44 Figure 5 45 Wireless 45 Figure 5 46 Networked Computers 45...

Страница 7: ...h wireless cards or adapters can communicate without cumbersome cables By sharing the same wireless settings within their transmission radius they form a wireless network This is sometimes called a WLAN or Wireless Local Area Network Since the Gateway has wireless capabilities it can bridge your wired and wireless networks letting them communicate with each other With your networks all connected w...

Страница 8: ... Gateway Appendix A Troubleshooting This appendix describes some problems and solutions as well as frequently asked questions regarding installation and use of the Wireless G ADSL Home Gateway Appendix B Wireless Security This appendix explains the risks of wireless networking and some solutions to reduce the risks Appendix C Finding the MAC Address and IP Address for your Ethernet Adapter This ap...

Страница 9: ...G ADSL Home Gateway Appendix H Regulatory Information This appendix supplies the regulatory information regarding the Gateway Appendix I Contact Information This appendix provides contact information for a variety of Linksys resources including Technical Support ...

Страница 10: ...mputers print servers and Gateways requires an IP address to identify its location or address on the network This applies to both the Internet and LAN connections There are two ways of assigning an IP address to your network devices You can assign static IP addresses or use the Gateway to assign IP addresses dynamically Static IP Addresses A static IP address is a fixed IP address that you assign ...

Страница 11: ... Gateway By default the Gateway s DHCP Server function is enabled If you already have a DHCP server running on your network you must disable one of the two DHCP servers If you run more than one DHCP server on your network you will experience network errors such as conflicting IP addresses To disable DHCP on the Gateway see the DHCP section in Chapter 5 Configuring the Wireless G ADSL Home Gateway ...

Страница 12: ...her office s VPN settings She accesses the VPN client software that supports IPSec and connects to the VPN Gateway at the central office As VPNs utilize the Internet distance is not a factor Using the VPN the businesswoman now has a secure connection to the central office s network as if she were physically connected VPN Gateway to VPN Gateway An example of a VPN Gateway to VPN Gateway VPN would b...

Страница 13: ...h the source and destination information for that packet to transmit efficiently A hacker can use this information to spoof or fake a MAC address allowed on the network With this spoofed MAC address the hacker can also intercept information meant for another user 2 Data Sniffing Data sniffing is a method used by hackers to obtain network data as it travels through unsecured networks such as the In...

Страница 14: ...ices Reset Button There are two ways to reset the Gateway s factory defaults Either press the Reset Button for approximately ten seconds or restore the defaults from the Factory Defaults screen of the Administration tab in the Gateway s Web based Utility Power The Power port is where you will connect the power adapter IMPORTANT Resetting the Gateway to factory defaults will erase all of your setti...

Страница 15: ...y is actively sending or receiving data to or from one of the devices on the network ETHERNET 1 4 Green The ETHERNET LED serves two purposes If the LED is continuously lit the Gateway is successfully connected to a device through the LAN port If the LED is flashing it is an indication of any network activity DSL Green The DSL LED lights up whenever there is a successful DSL connection The LED blin...

Страница 16: ... SMA type connector for the antenna is located on the top panel To attach the antenna slip its lower end onto the SMA connector and turn its knurled base clockwise until it is firmly seated The antenna can swivel on its base and has a hinge with stops for orientation at four different angles Figure 3 3 Top Panel Figure 3 4 Top Panel with Antenna Antenna Base SMA Port Antenna ...

Страница 17: ...ateway has a built in stand available If you place the Gateway flat on a surface then you can leave the stand in the closed position However if you want the Gateway to be upright swivel the stand clockwise 90º and position the Gateway accordingly Figure 3 5 Bottom Panel with Stand in Closed Position Figure 3 6 Gateway Using Stand ...

Страница 18: ...alling your broadband connection If not you can call your ISP to request that data After you have the setup information you need for your specific type of Internet connection you can begin installation and setup of the Gateway If you want to use a computer with an Ethernet adapter to configure the Gateway continue to Wired Connection to a Computer If you want to use a computer with a wireless adap...

Страница 19: ...lit when the self test is complete If the LED flashes for one minute or longer see Appendix A Troubleshooting 5 Power on one of your computers that is connected to the Gateway Go to Chapter 5 Configuring the Wireless G ADSL Home Gateway Figure 4 2 Connect a PC Figure 4 1 Connect the ADSL Line Figure 4 3 Connect the Power NOTE You should always plug the Gateway s power adapter into a power strip wi...

Страница 20: ...ure the computer s wireless adapter has its SSID set to linksys the Gateway s default setting and its wireless security is disabled After you have accessed the Gateway you can change the Gateway and this computer s adapter settings to match your usual network settings Go to Chapter 5 Configuring the Wireless G ADSL Home Gateway NOTE You should always change the SSID from its default linksys and en...

Страница 21: ...and Status Additional tabs will be available after you click one of the main tabs Setup Basic Setup Enter the Internet connection and network settings on this screen DDNS Use this screen to enable and configure the Dynamic Domain Name System DDNS feature Advanced Routing On this screen you can alter NAT and routing configurations Wireless Basic Wireless Settings You can choose your wireless networ...

Страница 22: ...levels to different types of data transmissions Administration Management On this screen alter Gateway access Simple Network Management Protocol SNMP Universal Plug and Play UPnP IGMP Proxy IGMP stands for Internet Group Multicast Protocol and wireless management settings Reporting If you want to view or save activity logs click this tab Diagnostics Use this screen to run a Ping test Backup Restor...

Страница 23: ...hanges button to cancel your changes Internet Setup PVC Connection If your ADSL account provides more than one permanent virtual circuit PVC you can have multiple simultaneous independent WAN connections PVC 1 is selected and enabled by default When you are ready to configure another PVC select its number here and click the Enable Now box to enable it Internet Connection Type The Gateway supports ...

Страница 24: ...u are connecting through a dynamic IP address If your ISP says you should enable PPPoE Session enable it and configure the following settings Service Name If a service name is required enter the name of your PPPoE service in this field User Name and Password Enter the User Name and Password provided by your ISP Connect on Demand Max Idle Time You can configure the Gateway to disconnect the Interne...

Страница 25: ...ou with at least one DNS Domain Name System Server IP Address PPPoE Session Enable this function if it is required by your ISP PPPoE settings will appear See RFC 2516 PPPoE on the next page for explanations of these settings RFC 1483 Routed If you are required to use RFC 1483 Routed then select RFC 1483 Routed Internet IP Address This is the Gateway s IP address when seen from the WAN or the Inter...

Страница 26: ... period of time Max Idle Time If your Internet connection has been terminated due to inactivity Connect on Demand enables the Gateway to automatically re establish your connection as soon as you attempt to access the Internet again To use this option click the Connect on Demand radio button In the Max Idle Time field enter the number of minutes you want to have elapsed before your Internet connect...

Страница 27: ...omatically re establish your connection as soon as you attempt to access the Internet again To use this option click the Connect on Demand radio button In the Max Idle Time field enter the number of minutes you want to have elapsed before your Internet connection terminates Keep Alive Redial Period If you select this option the Gateway will periodically check your Internet connection If you are di...

Страница 28: ... 255 0 Network Address Server Settings DHCP Configure the Gateway s Dynamic Host Configuration Protocol DHCP settings in this section Local DHCP Server A Dynamic Host Configuration Protocol DHCP server automatically assigns an IP address to each computer on your network for you Unless you already have one it is highly recommended that you leave the Gateway enabled as a DHCP server You can also use...

Страница 29: ...enter up to three DNS Server IP Addresses here The Gateway will use these for quicker access to functioning DNS servers WINS The Windows Internet Naming Service WINS converts NetBIOS names to IP addresses If you use a WINS server enter that server s IP address here Otherwise leave this field blank Time Setting Select the appropriate time zone You can change the interval between Network Time Protoc...

Страница 30: ...e DDNS Service select Disabled DynDNS org User Name Password and Host Name Enter the User Name Password and Host Name of the account you set up with DynDNS org Internet IP Address The Gateway s current Internet IP Address is displayed here Because it is dynamic it will change Status The status of the DDNS service connection is displayed here TZO com E mail Address Password and Domain Name Enter th...

Страница 31: ...IP select the Enabled radio button Otherwise keep the default Disabled Transmit RIP Version To transmit RIP messages select the protocol you want RIP1 RIP1 Compatible RIP1 broadcasts and RIP2 multicasts or RIP2 If you don t want to transmit RIP messages select Disable Receive RIP Version To receive RIP messages select the protocol you want RIP1 or RIP2 If you don t want to receive RIP messages sel...

Страница 32: ... be selected on the basis of the following criteria alone or in any combination Destination IP address and address mask Source IP address and address mask or MAC address Transport protocol TCP UDP or All Destination port and or source port if protocol is set to TCP or UDP Presence of a specified IEEE 802 1D user priority marker IEEE 802 3 Type Length value the value in the 13th and 14th octets of ...

Страница 33: ...nction correctly Wireless clients computers and other devices that can use a wireless network will automatically detect the wireless channel of the Gateway Wireless SSID Broadcast The Gateway normally broadcasts its SSID periodically so wireless clients in the area can more easily detect the network and associate with it To broadcast the Gateway s SSID keep the default setting Enable If you do not...

Страница 34: ...ered identically that is placed in the same numbered slots on each device The Gateway can decrypt transmissions encrypted with any one of the keys Use the Default Transmit Key control to indicate which key the Gateway should use to encrypt its own transmissions When you use a single key it must be entered or generated in the Key 1 box and the Default Transmit Key control must be set to Key 1 Keys ...

Страница 35: ...or the designated computers Click the Edit MAC Address Access List button and the Mac Address Filter List screen will appear Enter the MAC addresses of the computers you want to designate To see a list of MAC addresses for wireless computers or clients click the Wireless Client MAC List button The Wireless Client MAC List screen will list computers their IP addresses and their MAC addresses Click ...

Страница 36: ... broadcast by the Gateway to synchronize the wireless network DTIM Interval The default value is 1 This value indicates the interval of the Delivery Traffic Indication Message DTIM A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages When the Gateway has buffered broadcast or multicast messages for associated clients it sends the ...

Страница 37: ... the checkbox Filter Java Applets Java is a programming language for websites If you deny Java Applets you run the risk of not having access to Internet sites created using this programming language To enable Java Applet filtering click the checkbox Filter ActiveX ActiveX is a programming language for websites If you deny ActiveX you run the risk of not having access to Internet sites created usin...

Страница 38: ... Disable button PPPoE Passthrough PPPoE Passthrough allows your PC s to use the PPPoE client software provided by your ISP Some ISPs may request that you use this feature on the Gateway To allow PPPoE Passthrough click the Enable button To disable PPPoE Passthrough click the Disable button PPTP Passthrough Point to Point Tunneling Protocol Passthrough is the method used to enable VPN sessions to a...

Страница 39: ...emote security gateway to access the tunnel Remote Security Gateway Use the controls in this section to specify the remote endpoint of the IPSec tunnel whether it will be a gateway or a client Select IP Address or FQDN fully qualified domain name and input the correct address or name or select Any which allows any machine with the correct IPSec settings to act as the remote endpoint of the tunnel ...

Страница 40: ...s for acceptability You can specify encryption and authentication algorithms Diffie Hellman group and key lifetime for the first proposal Phase 2 Proposal Select the desired Diffie Hellman group 768 bit or 1024 bit Other Settings NAT Traversal Enable this feature if the machine or machines being accessed through the tunnel stand behind a NAT Network Address Translation server NetBIOS broadcast Ena...

Страница 41: ...menu will display that policy s settings To delete a policy select that policy s number and click the Delete button To view all the policies click the Summary button Policies can be deleted from the Summary screen by selecting the policy or policies and clicking the Delete button To return to the Internet Access screen click the Close button Status Policies are disabled by default To enable a poli...

Страница 42: ... specific keywords enter each keyword in a separate field next to Website Blocking by Keyword 9 You can filter access to various services accessed over the Internet such as FTP or telnet by selecting services from the drop down menus next to Blocked Services Then enter the range of ports you want to filter If the service you want to block is not listed or you want to edit a service s settings then...

Страница 43: ...igned to it because its IP address may change when using the DHCP function PVC Connection Select If the service requests you wish to configure will be coming in over a PVC other than PVC 1 select the correct PVC from this list Port Map List In this section you will customize the port service for your applications Application Enter the name of the application in the field provided External Port and...

Страница 44: ...UDP or Both IP Address Enter the IP Address of the appropriate computer Enable Click the Enable checkbox to enable forwarding for the chosen application When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes The Port Triggering Tab Port Triggering is used for special applications that can request a ...

Страница 45: ...a computer refer to Appendix C Finding the MAC Address and IP Address for Your Ethernet Adapter When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes The QoS Tab QoS Quality of Service QoS ensures better service to high priority types of network traffic which may involve demanding real time applica...

Страница 46: ...of an Ethernet frame Triggering of a particular application layer gateway FTP TFTP H 323 IRC MMS GRE PPTP or SIP Presence of a specified IEEE 802 1D user priority marker Presence of a specified IEEE 802 1Q virtual LAN VLAN ID Packet length between specified minimum and maximum numbers of octets Fragment packets size of AF and BE traffic to be equal to the size of EF traffic Enable this option and ...

Страница 47: ...m it Remote Gateway Access This feature allows you to access the Gateway from a remote location via the Internet Remote Management This feature allows you to manage the Gateway from a remote location via the Internet To enable Remote Management click Enable Remote Username The default username for remove management is tech It is recommended that you change the remote username to one of your own ch...

Страница 48: ...vice Name Enter the name of the Gateway SNMP v1 v2 Get Community Enter the password that allows read only access to the Gateway s SNMP information Set Community Enter the password that allows read write access to the Gateway s SNMP information SNMP V3 Click Enable if you wish to manage the Gateway using SNMP version 3 Rw User Enter a name for the user who will have read write access to the Gateway...

Страница 49: ...is feature select Enable Otherwise select Disable IGMP Snooping The multicast packets used by some multimedia applications are treated as broadcast packets and sent to all of the Gateway s LAN ports If this results in too much traffic going to ports over which the application is not being used you can enable IGMP snooping to ensure correct routing of multicast traffic IGMP Snooping To use this fea...

Страница 50: ...ber of Denial of Service attacks that will trigger an e mail alert SMTP Mail Server Enter the IP address of the SMTP server E Mail Address for Alert Logs Enter the e mail address that will receive alert logs Return E Mail address Enter the return address for the e mail alerts To view the logs click the View Logs button A new screen will appear From the drop down menu you can select which log you w...

Страница 51: ...liseconds Click the Start Test button to start the Ping Test Ping Result The results of the ping test will be shown here When finished making your changes on this tab click the Save Settings button to save these changes or click the Cancel Changes button to undo your changes The Backup Restore Tab The Backup Restore tab allows you to back up and restore the Gateway s configuration file Backup Conf...

Страница 52: ...Browse button to find the firmware upgrade file 2 Double click the firmware file that you have downloaded and extracted 3 Click the Upgrade button and follow the on screen instructions To cancel the firmware upgrade click the Cancel Upgrade button The Reboot Tab This screen allows you to do a soft or hard reboot of the Gateway In most cases you should use the hard reboot The soft reboot is similar...

Страница 53: ...been contacted Current Time Internet Connection This section shows the following information the Connection Login Type Interface IP Address Subnet Mask Default Gateway DNS 1 2 and 3 server IP addresses and WINS address Depending on the login type other information about the connection may also appear Connect and Disconnect buttons appear when an ADSL connection is available Use these buttons to br...

Страница 54: ...ant to refresh the displayed information To delete a client from the DHCP server select the client and then click the Delete button Click the Close button to return to the Local Network screen ARP RARP Table The ARP RARP Table shows the current data for the local network clients that have sent an ARP request to the Gateway You will see their IP addresses and MAC addresses This data is stored in te...

Страница 55: ...d Encryption Function Click the Wireless Clients Connected button to view a list of the wireless clients connected to the Gateway along with their computer names IP addresses and MAC addresses Click the Refresh button if you want to refresh the displayed information Click the Close button to return to the Wireless screen Click the Refresh button if you want to refresh the displayed information Fig...

Страница 56: ...Upstream Rate Downstream Margin Upstream Margin Downstream Line Attenuation Upstream Line Attenuation Downstream Transmit Power and Upstream Transmit Power PVC Connection Connection To view information about a particular PVC select that PVC s number from this list This section displays the following information Encapsulation Multiplexing QoS Pcr Rate Scr Rate Autodetect VPI VCI Enable status and P...

Страница 57: ...other computer on the network connected to the Gateway Make sure that each IP address is unique for each computer or network device 4 Click the Gateway tab and in the New Gateway prompt enter 192 168 1 1 which is the default IP address of the Gateway Click the Add button to accept the entry 5 Click the DNS tab and make sure the DNS Enabled option is selected Enter the Host and Domain names e g Joh...

Страница 58: ...CP IP Click the Properties button 5 Enter a unique IP address that is not used by any other computer on the network connected to the Gateway 6 Enter the Subnet Mask 255 255 255 0 7 Enter the Default Gateway 192 168 1 1 Gateway s default IP address 8 Toward the bottom of the window select Use the following DNS server addresses and enter the Preferred DNS server and Alternative DNS server provided b...

Страница 59: ...T get a reply there may be a problem with the connection Try the ping command from a different computer to verify that your original computer is not the cause of the problem 3 I am not getting an IP address on the Internet with my Internet connection Refer to Problem 2 I want to test my Internet connection to verify that you have connectivity 1 Make sure you are using the right Internet connection...

Страница 60: ...ss to any computer or network device on the network you need to change its IP address accordingly to 192 168 2 Y Y being any number from 1 to 254 Note that each IP address must be unique within the network Your VPN may require port 500 UDP packets to be passed to the computer that is connecting to the IPSec server Refer to Problem 7 I need to set up online game hosting or use other Internet applic...

Страница 61: ...se is to go to the website of the online game or application you want to use Follow these steps to set up online game hosting or use a certain Internet application 1 Access the Gateway s web interface by going to http 192 168 1 1 or the IP address of the Gateway Go to the Applications and Gaming Port Range Forwarding tab 2 Enter any name you want to use for the Customized Application 3 Enter the E...

Страница 62: ...on click the Save Settings button 9 I forgot my password or the password prompt always appears when I am saving settings to the Gateway Reset the Gateway to factory default by pressing the Reset button for 10 seconds and then releasing it If you are still getting prompted for a password when saving settings then perform the following steps 1 Access the Gateway s web based utility by going to http ...

Страница 63: ...latest firmware for the Gateway 4 To upgrade the firmware follow the steps in the Administration section found in Chapter 5 Configuring the Wireless G ADSL Home Gateway 13 The firmware upgrade failed and or the Power LED is flashing The upgrade could have failed for a number of reasons Follow these steps to upgrade the firmware and or make the Power LED stop flashing If the firmware upgrade failed...

Страница 64: ...me and password is admin 3 Look for the MTU option and select Manual In the Size field enter 1492 4 Click the Save Settings button to continue If your difficulties continue change the Size to different values Try this list of values one value at a time in this order until your problem is solved 1462 1400 1362 1300 16 The Power LED flashes continuously The Power LED lights up when the device is fir...

Страница 65: ...checked 2 Press CTRL F5 This is a hard refresh which will force Windows Explorer to load new webpages not cached ones Click Tools Click Internet Options Click the Security tab Click the Default level button Make sure the security level is Medium or lower Then click the OK button Frequently Asked Questions What is the maximum number of IP addresses that the Gateway will support The Gateway will sup...

Страница 66: ...oin What do I need to do If you have a dedicated Unreal Tournament server running you need to create a static IP for each of the LAN computers and forward ports 7777 7778 7779 7780 7781 and 27900 to the IP address of the server You can also use a port forwarding range of 7777 27900 If you want to use the UT Server Admin forward another port Port 8080 usually works well but is used for remote admin...

Страница 67: ...there is no need to download a newer firmware version unless that version contains new features that you would like to use Will the Gateway function in a Macintosh environment Yes but the Gateway s setup pages are accessible only through Internet Explorer 4 0 or Netscape Navigator 4 0 or higher for Macintosh I am not able to get the web configuration screen for the Gateway What can I do You may ha...

Страница 68: ...ics of your VPNs How can I check whether I have static or DHCP IP Addresses Consult your ISP to obtain this information How do I get mIRC to work with the Gateway Under the Port Forwarding tab set port forwarding to 113 for the computer on which you are using mIRC Can the Gateway act as my DHCP server Yes The Gateway has DHCP server software built in Can I run an application from a remote computer...

Страница 69: ... coverage area To achieve true seamless connectivity the wireless LAN must incorporate a number of different functions Each node and access point for example must always acknowledge receipt of each message Each node must maintain contact with the wireless network even when not actually transmitting data Achieving these functions simultaneously requires a dynamic RF networking technology that links...

Страница 70: ...hronized the net effect is to maintain a single logical channel To an unintended receiver FHSS appears to be short duration impulse noise Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip the greater the probability that the original data can be recovered Even if one or more b...

Страница 71: ...ove it away in small increments to determine the maximum range in your environment You may also try using different channels as this may eliminate interference affecting only one channel I have excellent signal strength but I cannot see my network WEP is probably enabled on the Gateway but not on your wireless adapter or vice versa Verify that the same WEP keys and levels 64 or 128 are being used ...

Страница 72: ...lly For information on implementing these security features refer to Chapter 6 Configuring the Wireless G ADSL Home Gateway Security Threats Facing Wireless Networks Wireless networks are easy to find Hackers know that in order to join a wireless network wireless networking products first listen for beacon messages These messages can be easily decrypted and contain much of the network s informatio...

Страница 73: ...resses This makes it harder for a hacker to access your network with a random MAC Address WEP Encryption Wired Equivalent Privacy WEP is often looked upon as a cure all for wireless security concerns This is overstating WEP s ability Again this can only provide enough security to make a hacker s job more difficult There are several ways that WEP can be maximized 1 Use the highest level of encrypti...

Страница 74: ... with a key shared between the device and the server Last enter a Group Key Renewal period which instructs the device how often it should change the encryption keys RADIUS WEP used in coordination with a RADIUS server This should only be used when a RADIUS server is connected to the Gateway or other device First enter the RADIUS server s IP Address and port number along with a key shared between t...

Страница 75: ...en field enter winipcfg Then press the Enter key or the OK button 2 When the IP Configuration screen appears select the Ethernet adapter you have connected to the Gateway via a CAT 5 Ethernet network cable See Figure C 1 3 Write down the Adapter Address as shown on your computer screen see Figure C 2 This is the MAC address for your Ethernet adapter and is shown in hexadecimal as a series of numbe...

Страница 76: ... as shown on your computer screen Figure C 3 it is the MAC address for your Ethernet adapter This appears as a series of numbers and letters The MAC address Physical Address is what you will use for MAC filtering The example in Figure C 3 shows the Ethernet adapters s MAC address as 00 00 00 00 00 00 Your computer will show something different The example in Figure C 3 shows the Ethernet adapter s...

Страница 77: ...irmware upgrade file from www linksys com 2 Extract the file on your computer 3 Open the Gateway s Web based Utility and click the Administration tab 4 Click the Firmware Upgrade tab 5 Click the Browse button to find the extracted file and then double click it 6 Click the Upgrade button and follow the on screen instructions Figure D 1 Firmware Upgrade ...

Страница 78: ...of an access point AES Advanced Encryption Standard A security method that uses symmetric 128 bit block data encryption Backbone The part of a network that connects most of the systems and networks together and handles the most data Bandwidth The transmission capacity of a given device or network Beacon Interval Data transmitted on your wireless network that keeps the network synchronized Bit A bi...

Страница 79: ...k DHCP Dynamic Host Configuration Protocol A networking protocol that allows administrators to assign temporary IP addresses to network computers by leasing an IP address to a user for a limited amount of time instead of assigning permanent IP addresses DMZ Demilitarized Zone Removes the Router s firewall protection from one PC allowing it to be seen from the Internet DNS Domain Name Server The IP...

Страница 80: ... resources of a network from users from other networks Firmware The programming code that runs a networking device Fragmentation Breaking a packet into smaller units when transmitting over a network medium that cannot support the original size of the packet FTP File Transfer Protocol A protocol used to transfer files over a TCP IP network Full Duplex The ability of a networking device to receive a...

Страница 81: ... data to a group of destinations at once NAT Network Address Translation NAT technology translates IP addresses of a local area network to a different IP address for the Internet Network A series of computers or devices connected for the purpose of data sharing storage and or transmission between users NNTP Network News Transfer Protocol The protocol used to connect to Usenet groups on the Interne...

Страница 82: ...it A communication channel that provides the equivalent of a separate physical line QoS Quality of Service Prioritization of network packets mainly to ensure that time sensitive data are delivered quickly RADIUS Remote Authentication Dial In User Service A protocol that uses an authentication server to control network access RJ 45 Registered Jack 45 An Ethernet connector that holds up to eight wir...

Страница 83: ... for making breaking or changing the connections in an electrical circuit TCP Transmission Control Protocol A network protocol for transmitting data that requires acknowledgement from the recipient of data sent TCP IP Transmission Control Protocol Internet Protocol A set of instructions PCs use to communicate over a network Telnet A user command and TCP IP protocol used for accessing remote PCs TF...

Страница 84: ...The Internet WEP Wired Equivalent Privacy A method of encrypting network data transmitted on a wireless network for greater security WINIPCFG A Windows 98 and Me utility that displays the IP address for a particular networking device WLAN Wireless Local Area Network A group of computers and associated devices that communicate with each other wirelessly WPA Wi Fi Protected Access a wireless securit...

Страница 85: ... this device must accept any interference received including interference that may cause undesired operation FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This transmitter must not be collocated or operating in conjunction with any other antenna or transmitter IEEE 802 11b or 802 11g...

Страница 86: ...G ADSL Home Gateway Compliance Information for 2 4 GHz Wireless Products Relevant to the EU and Other Countries Following the EU Directive 1999 5 EC R TTE Directive Declaration of Conformity with Regard to the EU Directive 1995 5 EC R TTE Directive ...

Страница 87: ...afety EN 60950 CE Marking For the Linksys Wireless B and Wireless G products the following CE mark notified body number where applicable and class 2 identifier are added to the equipment Check the CE label on the product to find out which notified body was involved during the assessment or or NOTE If you need any technical documentation see the How to Access Technical Documents on www linksys com ...

Страница 88: ...oor wireless link having a range exceeding 300 meters Please check http www bipt be for more details Draadloze verbindingen voor buitengebruik en met een reikwijdte van meer dan 300 meter dienen aangemeld te worden bij het Belgisch Instituut voor postdiensten en telecommunicatie BIPT Zie http www bipt be voor meer gegevens Les liaisons sans fil pour une utilisation en extérieur d une distance supé...

Страница 89: ...trictions This product is designed for indoor usage only Outdoor usage is not recommended This product is designed for use with the included integral or external dedicated antenna s Use of non dedicated or third party antenna s is not recommended and is not supported by Linksys Power Output of Your Device To comply with your country s regulations you may have to change the power output of your wir...

Страница 90: ...dows Millennium or 98 then refer to Windows Help for instructions on how to access the advanced settings of a network adapter Wireless Access Points Routers or Other Wireless Products If you have a wireless access point router or other wireless product use its Web based Utility to configure its power output setting refer to the product s documentation for more information Technical Documents on ww...

Страница 91: ...TY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to You This warranty gives You specific legal rights and You may also have other rights which vary by jurisdiction This warranty does not apply if the Product a has been altered except by Linksys b has not been installed operated repaired or ...

Страница 92: ...s Power Wireless Ethernet 1 4 DSL Internet Transmit Power 18 dBm UPnP able cert Able Security Features Password protected configuration for web access PAP and CHAP authentication Denial of Service DoS prevention URL and keyword filtering Java ActiveX proxy and cookie blocking ToD Time of Day filter VPN passthrough for IPSec PPTP and L2TP protocols IPSec VPN tunnel endpoint capability WPA PSK WPA R...

Страница 93: ... Wireless G ADSL Home Gateway Unit Weight 0 3 kg 0 6 lb Power 12VDC 1A Certifications CE Operating Temp 0º 40ºC 32º 104ºF Storage Temp 20º 70ºC 4º 158ºF Operating Humidity 10 85 Non Condensing Storage Humidity 5 90 Non Condensing ...

Страница 94: ...ail Address Austria support at linksys com Belgium support be linksys com Denmark support dk linksys com France support fr linksys com Germany support de linksys com Italy support it linksys com Netherlands support nl linksys com Norway support no linksys com Portugal support pt linksys com Spain support es linksys com Sweden support se linksys com Switzerland support ch linksys com United Kingdom...

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