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106

802.11n WLAN ADSL2+ Router

10.0.0.0

SNMP

Simple Network Management Protocol (SNMP) is a troubleshooting and manage

ment protocol that uses the UDP protocol on port 161 to communicate between clients
and servers. The DSL device can be managed locally or remotely by SNMP protocol.

10.0.0.254

SNMP

From the left-hand

Advance

menu, click on

SNMP

. The following page is dis

played:

Summary of Contents for MC-4220

Page 1: ...1 MODECOM user s manual MC 4220 802 11n WLAN ADSL2 Router...

Page 2: ...s settings 21 About Wireless ADSL2 Router 22 Wireless Network 22 Basic Settings 22 Advanced Settings 24 Security 26 Access Control 31 Allow Listed 32 WPS 34 Operations of AP AP being an enrollee 37 Op...

Page 3: ...MAC filtering to Deny for outgoing access 79 Port Forwarding 81 Configuring Port Forwarding 81 Configuring custom applications 82 URL Blocking 89 Configuring URL Blocking of FQDN 89 Configuring URL Bl...

Page 4: ...122 About firmware versions 122 Manually updating firmware 122 ACL Configuration 125 ACL Config 125 Time Zone 127 SNTP Server and SNTP Client Configuration settings 127 TR 069 Config 132 TR 069 Confi...

Page 5: ...ding IP route and DNS configuration RIP and IP and DSL per formance monitoring User friendly configuration program accessed via a web browser User friendly configuration program accessed via EasySetup...

Page 6: ...ze important points Special messages This document uses the following icons to draw your attention to specific instruc tions or explanations Note Provides clarifying or non essential information on th...

Page 7: ...r device has not suc cessfully connected to your ISP s DSL network Blink Data being transmitted INTERNET green On PPP link established and active which means that your device has successfully connecte...

Page 8: ...ww modecom eu 8 802 11n WLAN ADSL2 Router Rear Panel The rear panel contains a Restore Defaults button the ports for the unit s data and power connections Rear Panel Connections Right Panel Connection...

Page 9: ...your LAN ANETENNA ANETENNA POWER Connects to the supplied power cable ON OFF SWITCH Power on off the device WLAN Press this button for 5 seconds to Disable or Enable Wireless LAN WPS Press this button...

Page 10: ...nal configuration instructions Connecting the Hardware This section describes how to connect the device to the wall phone port the power outlet and your computer s or network WARNING Before you begin...

Page 11: ...roperties on your Ethernet PCs See Con figuring Ethernet PCs Next step After setting up and configuring the device and PCs you can log on to the device by following the instructions in Getting Started...

Page 12: ...www modecom eu 12 802 11n WLAN ADSL2 Router Easy setup configuration completed Now you are ready to Surf the Internet...

Page 13: ...Bridged IP LLC After selecting the Protocol 1483 Bridged IP LLC Enter VPI VCI which was given by Telecom or by your Internet Service Pro vider ISP Click Setup Easy setup configuration completed Now y...

Page 14: ...I VCI which was given by Telecom or by your Internet Service Pro vider ISP From the Type ratio click Fixed IP Enter Local IP Address Subnet Mask Remote IP Address which was given by Telecom or by your...

Page 15: ...CP After selecting the Protocol 1483 MER LLC Enter VPI VCI which was given by Telecom or by your Internet Service Pro vider ISP From the Type ratio click DHCP Click Setup Easy setup configuration comp...

Page 16: ...AN ports Accessing the Web pages To access the Web pages you need the following A PC or laptop connected to the LAN port on the device A web browser installed on the PC The minimum browser version req...

Page 17: ...me or you can configure your device so that you do not need to enter a password See Password Click on OK You are now ready to configure your device This is the first page displayed each time you log i...

Page 18: ...om a LAN com puter To do this open your web browser and type the URL of any external website The LED labeled INTERNET should blink rapidly and then appear solid as the device connects to the site If t...

Page 19: ...this address See LAN DHCP Dynamic Host Configuration Protocol DHCP server enabled with the following pool of ad dresses 10 0 0 33 through 10 0 0 254 The Wireless ADSL2 Router main tains a pool of pri...

Page 20: ...0 0 2 Overview page The information displayed on this page is explained in detail in the following sec tions Internet access settings This section displays details of the settings that allow your devi...

Page 21: ...rd ware firmware versions you are using in order to answer your query Your hardware version details contain information about the make and model of your device and its exact hardware components Your f...

Page 22: ...work This name is called the Service Set Identifier SSID When you set up your wireless adapter you specify the SSID If you want to connect to an existing network you must use the name for that network...

Page 23: ...ntry to the configuration Reset Discard your changes and reload all settings from flash memory Advanced Settings These settings are only for more technically advanced users who have a sufficient knowl...

Page 24: ...the Fragment Threshold value within the value range of 256 to 2346 Set ting this value too low may result in poor network performance Only minor modifications of this value are recommended RTS Thresh...

Page 25: ...is feature WEP Make sure that all wireless devices on your network are using the same encryption level and key Click Set WEP Key button to set the encryption key WPA TKIP WPA uses Temporal Key Integri...

Page 26: ...word in the Pre Shared Key Format and Pre Shared Key setting respectively Please refer to Pre Shared Key Format and Pre Shared Key setting below Pre Shared Key Format PassPhrase Select this to enter...

Page 27: ...trator From the Key Length drop down list select 64 bit or 128 bit setting From the Key Format drop down list select ASCII 5 characters Hex 10 char acters ASCII 13 characters or Hex 26 characters sett...

Page 28: ...ed Personal Pre Shared Key Wi Fi Protected Access WPA and WPA2 is a class of systems to secure wireless Wi Fi computer networks WPA is designed to work with all wireless network inter face cards but n...

Page 29: ...to secure wireless Wi Fi computer networks WPA is designed to work with all wireless network inter face cards but not necessarily with first generation wireless access points WPA2 implements the full...

Page 30: ...twork While MAC address spoofing is a proven means to hacking a network this can be used in conjunction with addi tional security measures to increase the level of complexity of the network security d...

Page 31: ...wireless MAC address es are in the access control list will be able to connect to your Access Point 2 From the Wireless Access Control Mode drop down list select Allowed Listed setting 3 Enter the MAC...

Page 32: ...cted these wireless clients on the list will not be able to connect the Access Point 1 From the Wireless Access Control Mode drop down list select Deny Listed setting 2 Enter the MAC Address 3 Click A...

Page 33: ...cess point or other device that is capable of man aging the network An enrollee could be an access point or a station that will join the network After the registration protocol has been done the enrol...

Page 34: ...o has a built in internal registrar Whenever users enter sta tion s PIN into AP s webpage click Start PBC or push the physical button AP will switch to registrar automatically If users apply the same...

Page 35: ...r WPS The following sub paragraphs will describe the function of each item The webpage is as below To access the Wireless Network WPS page From the left hand Wireless menu click on WPS The following p...

Page 36: ...ength of PIN is limited to four or eight numeric digits If users enter eight digit PIN with checksum error there will be a warning message popping up If users insist on this PIN AP will take it Functi...

Page 37: ...ol Panel click Classic View open Administrative Tools double click Services a User Account Control pop up and click Continue edit properties of Windows Connect Now choose the Startup type with Automat...

Page 38: ...www modecom eu 38 802 11n WLAN ADSL2 Router 7 Click on Turn on network discovery and file sharing...

Page 39: ...N ADSL2 Router 8 Click on No make the network that I am connected to a private network 9 AP s icon will show up Double click on it 10 Users could also Click Add a wireless device if the icon is not th...

Page 40: ...www modecom eu 40 802 11n WLAN ADSL2 Router 11 Enter AP s Self PIN Number and click next 12 Choose a name that people who connect to your network will recognize...

Page 41: ...41 802 11n WLAN ADSL2 Router 13 Enter the Passphrase and then click Next 14 A User Account Control screen pops up click Continue 15 AP is successfully configured by WCN...

Page 42: ...will become configured see WPS Status The authentication al gorithm encryption algorithm and key assigned by WCN will be displayed below Current Key Info 17 The SSID field of Wireless Basic Settings...

Page 43: ...gistrar Users must start the PIN method on the sta tion side within two minutes 1 From the left hand Wireless WPS menu The following page is displayed 2 Make sure AP is in un configured state 3 Enter...

Page 44: ...www modecom eu 44 802 11n WLAN ADSL2 Router 7 If the device PIN is correct and the WPS handshake is successfully done on the station side User s Wi Fi Protected status will be shown as below...

Page 45: ...That means all settings of AP will not change Hence all WPS related pages keep the same Push Button method Wireless Gateway supports a virtual button Start PBC on the Wi Fi Protected Setup page for P...

Page 46: ...www modecom eu 46 802 11n WLAN ADSL2 Router 4 Users must start the PBC method on the station side within two minutes 5 Users must start the PBC method on the station side within two minutes...

Page 47: ...B and the WPS handshake is successfully done on the station side User s Wi Fi Protected status will be shown as below 7 If the device PIN is correct and the WPS handshake is successfully done AP s Wi...

Page 48: ...e of Internet access you should use and pro vides you with any information that you need in order to configure the Internet access to your device Your device needs the following address information in...

Page 49: ...mati cally configured Your device supports PPPoE over Ethernet PPP Internet access your device uses a Point to Point Protocol PPP to carry data between your ISP and your computer To use PPP Internet a...

Page 50: ...details and VPI VCI values necessary to set up a PPP login account If your ISP wants you to connect to the Internet using PPP follow the instructions below 1 From the left hand WAN menu click on Chann...

Page 51: ...path and circuit numbers called VPI and VCI in order to connect your device to the ISP s Internet service In most cases your device will use default settings so you may not need to enter these values...

Page 52: ...ng your Bridged DSL connection From the left hand WAN menu click on Channel Config The following page is displayed Enter VCI and VPI setting determined by your ISP Select the Encapsulation determined...

Page 53: ...your 1483 MER by DHCP From the left hand WAN menu click on Channel Config The following page is displayed Enter VCI and VPI setting determined by your ISP Select the Encapsulation determined by your...

Page 54: ...ed by your ISP Select the Encapsulation determined by your ISP From the Channel Mode drop down list select 1483 MER setting From the Type ratio click Fixed IP Enter Local IP Address Subnet Mask and Re...

Page 55: ...following page is displayed Field Description VPI Virtual Path Identifier This is read only field and is selected on the Select column in the Current ATM VC Table VCI Virtual Channel Identifier This...

Page 56: ...cted the SCR and MBS fields are enabled PCR Peak Cell Rate measured in cells sec is the cell rate which the source may never exceed SCR Sustained Cell Rate measured in cells sec is the average cell ra...

Page 57: ...nable Disable ADSL2 ADSL2 Annex L capability AnnexM Option Enable Disable ADSL2 ADSL2 Annex M capability ADSL Capability Bitswap Enable Enable Disable bitswap capability SRA Enable Enable Disable SRA...

Page 58: ...addressing details if your ISP asks you to or if you are familiar with network configuration In most cases you will not need to make any changes to this configuration Changing the LAN IP address and s...

Page 59: ...N Type a new IP Address and Subnet Mask Click Apply Changes The primary IP address is being changed to 10 0 0 2 netmask 255 255 255 0 Then Please go to http 10 0 0 2 to continue Your browser communica...

Page 60: ...onfig release in the command window c Type ipconfig renew d Type exit to close the command window Linux a Bring up a shell b Type pump r to release the lease c Type pump to renew the lease Note If you...

Page 61: ...rting Adding the Secondary LAN IP address and subnet mask From the left hand LAN menu click on LAN Check on Secondary IP Type the Secondary IP Address and Subnet Mask Click Apply Changes 10 0 0 2 10 0...

Page 62: ...isplayed Commit Reboot page Click on OK The System is Restarting DHCP Settings You can configure your network and DSL device to use the Dynamic Host Configu ration Protocol DHCP This page provides DHC...

Page 63: ...0 64 10 0 0 254 Field Description IP Pool Range Specify the lowest and highest addresses in the pool Max Lease Time The Lease Time is the amount of time that a network user is allowed to maintain a ne...

Page 64: ...l take effect after save into flash memory and reboot the system See section Admin for save details Undo Discard your changes Change setting successfully Click OK button From the left hand Admin menu...

Page 65: ...ply Changes Field Description DHCP Server Address Specify the IP address of your ISP s DHCP server Requests for IP information from your LAN will be passed to the default gateway which should route th...

Page 66: ...menu d Click Release All and then Renew All e Exit the winipcfg dialog Windows NT Windows 2000 Windows XP a Bring up a command window b Type ipconfig release in the command window c Type ipconfig rene...

Page 67: ...DHCP Settings From Services check ratio click on None Mode Click on Apply Changes Function Button Description Apply Changes Set new DHCP server configuration New parameters will take effect after save...

Page 68: ...ll and then Renew All e Exit the winipcfg dialog Windows NT Windows 2000 Windows XP a Bring up a command window b Type ipconfig release in the command window c Type ipconfig renew d Type exit to close...

Page 69: ...ration There are two submenus for the DNS Configuration DNS Server and Dynamic DNS DHCP Server Configuration Attain DNS Automatically From the left hand Services menu click on DNS DNS Server From chec...

Page 70: ...igure up to three DNS IP addresses Function Button Description Apply Changes Set new DNS relay configuration New parameters will take effect after save into flash memory and reboot the system See sect...

Page 71: ...ly Select this item if you want to use the DNS servers obtained by the WAN interface via the auto configuration mechanism Set DNS Manually Select this item to configure up to three DNS IP addresses Fu...

Page 72: ...e host has a dynamic IP address that keeps changing frequently it is difficult to keep updating the IP record that is associated with the domain name of this host in the zone files This will result in...

Page 73: ...re of the update message This process is repeated every time the host s IP address changes If the dynamic DNS service provider is notified of the same IP address again and again then it considers it a...

Page 74: ...automated updates Static DNS service points a DNS hostname in some domain owned by dyndns org to the user s ISP assigned static or pseudo static IP address DynDNS service points a fixed hostname in so...

Page 75: ...iguration Remove Select an existing DDNS registration by clicking the radio button at the Select column of the Dynamic DNS Table Click Remove button to remove the selected registration from the config...

Page 76: ...ostname Domain name to be registered with the DDNS server Email Email that applied for the DDNS service provider Key Key assigned by the DDNS service provider Function Button Description Add Click Add...

Page 77: ...displayed Commit Reboot page Click on OK The System is Restarting IP Port Filtering Firewall contains several features that are used to deny or allow traffic from pass ing through the device The IP Po...

Page 78: ...g block Description Rule Action Deny or allow traffic when matching this rule Direction Traffic forwarding direction Protocol There are 3 options available TCP UDP and ICMP Source IP Address The sourc...

Page 79: ...MAC address destination MAC address and traffic direction Configuring MAC filtering to Deny for outgoing access From the left hand Services menu click on Firewall MAC Filtering From the Direction drop...

Page 80: ...address It must be xxxxxxxxxxxx format Blanks can be used in the MAC address space and are considered as don t care Destination MAC Address The destination MAC address It must be xxxxxxxxxxxx format...

Page 81: ...suit the needs of your net work By default the IP addresses of your LAN PCs are hidden from the Internet All data sent from your LAN PCs to a PC on the Internet appears to come from the IP address of...

Page 82: ...pplication from a specific PC on your network If you want to allow access to an application that is not included on the above list of common applications you can create and enable a custom application...

Page 83: ...orwarding The following page is displayed From the Port Forwarding check ratio check on Enable Click Apply Changes Type the Local IP Address for your FTP Server Enter the range of Local Port for your...

Page 84: ...ic is allowed Leave blank for all External Port The destination port number that is made open for this application on the WAN side Interface Select the WAN interface on which the port forwarding rule...

Page 85: ...ystem is Restarting Port Forwarding for HTTP In this example configuration a custom application called HTTP Server using TCP port 80 is created From the left hand Services menu click on Port Forwardin...

Page 86: ...server that will be accessed by Internet Port The destination port number that is made open for this application on the LAN side Remote IP Address The source IP address from which the incoming traffi...

Page 87: ...0 0 33 From the left hand Admin menu click on Commit Reboot The following page is displayed Click on OK The System is Restarting Deleting custom applications From the left hand Services menu click on...

Page 88: ...11n WLAN ADSL2 Router Click Delete Selected The Port Forwarding setting has been deleted completely From the left hand Admin menu click on Commit Reboot The following page is displayed Click on OK The...

Page 89: ...to the Web Configuring URL Blocking of FQDN From the left hand 1 Services menu click on Firewall URL Blocking The following page is displayed Fields on the first setting block Description URL Blocking...

Page 90: ...elect the Blocked FQDN Add Filtered Keyword Add filtered keyword into Keyword Filtering table Delete Selected Keyword Delete the selected keyword from the keyword Filtering table You can click the che...

Page 91: ...91 802 11n WLAN ADSL2 Router Click on OK Configuring URL Blocking of Keyword From the left hand Services menu click on Firewall URL Blocking The fol lowing page is displayed...

Page 92: ...blocked to access Function Button Description Apply Changes Click to disable enable the URL Blocking capability Add FQDN Add FQDN into URL Blocking table Delete Selected FQDN Delete the selected FQDN...

Page 93: ...the URL of Taiwan Yahoo web site is tw yahoo com and you enter yahoo com the firewall will block all the DNS queries with yahoo com string So the Host will be blocked to access all the URLs belong to...

Page 94: ...ges Click to disable enable the Domain Block capability Add Domain Add domain into Domain Block table Delete Selected Domain Delete the selected domain from the Domain Block table You can click the ch...

Page 95: ...inside and outside network For example a company may wish to provide software patches to customers via an FTP server However it does not want FTP ac cess to any hosts other than the FTP server This i...

Page 96: ...a local host to be exposed to the Internet Function Button Description Apply Changes Click to change the setting to the configuration From the DMZ Host check ratio check on Enable Type the IP Address...

Page 97: ...ence and capabilities of other devices DHCP and DNS servers are optional and are used only if available on the network Finally a device can leave a network smoothly and automatically without leaving a...

Page 98: ...PnP from the drop down lists Function Button Description Apply Changes Click to save the setting to the configuration From the UPnP check ratio check on Enable Select a WAN Interface from the WAN Inte...

Page 99: ...point system may display con trolled devices in the list of network devices the control point system cannot par ticipate in UPnP communication This restriction also applies to controlled devices runni...

Page 100: ...ist to display the Networking Services entry Highlight select the entry and click on the Details button 4 The Networking Services window is displayed The subcomponents shown in the Networking Services...

Page 101: ...on with other routing devices on your LAN at your ISP s location or on remote networks connected to your network via the ADSL line Most small home or office networks do not need to use RIP they have o...

Page 102: ...displayed Fields on the first setting block Description RIP Enable disable RIP feature Fields on the second setting block Description Interface The name of the interface on which you want to enable R...

Page 103: ...ble ARP Table This ARP Table shows a list of learned MAC addresses ARP Table From the left hand Advance menu click on ARP table The following page is dis played Bridging You can enable disable Spannin...

Page 104: ...he default gateways for your LAN hosts and for the DSL device provide the most appropriate path for all your Internet traffic On your LAN hosts a default gateway directs all Internet traffic to the LA...

Page 105: ...lt gateway uses a mask of 0 0 0 0 Next Hop The IP address of the next hop through which traffic will flow towards the destination subnet Metric Defines the number of hops between network nodes that da...

Page 106: ...SNMP is a troubleshooting and manage ment protocol that uses the UDP protocol on port 161 to communicate between clients and servers The DSL device can be managed locally or remotely by SNMP protocol...

Page 107: ...allows write operation to the objects defines as read writable in the MIB Function buttons Description Apply Changes Save SNMP configuration New configuration will take effect after saving into flash...

Page 108: ...g group 1 Select a group from the table 2 Select interfaces from the available grouped interface list and add it to the grouped available interface list using the arrow buttons to manipulate the requi...

Page 109: ...ly priority level for and mark some fields in the packet that matches the Traffic Classification rule You can configure any or all field as needed in these two QoS blocks for a QoS rule IP QoS From th...

Page 110: ...fic that matches this classification rule The possible selections are in the descending priority p0 p1 p2 p3 IP Precedence Select this field to mark the IP precedence bits in the packet that match thi...

Page 111: ...Save configuration New configuration will take effect after saving into flash memory and rebooting the system See section Admin for details Others You can set some other advanced settings here From t...

Page 112: ...ostic menu click on Ping The following page is dis played Fields Description Host Address The IP address you want to ping Function buttons Description Go To start the ping command Type the IP Address...

Page 113: ...t endpoint the end of a connection segment This page allows you to use ATM ping which generates F5 segment and end to end loop back cells to test the reachability of a segment endpoint or a connection...

Page 114: ...L2 Router ADSL This page shows the ADSL diagnostic result Click Start button to start the ADSL diagnostic From the left hand Diagnostic menu click on ADSL The following page is displayed Click Start b...

Page 115: ...From the left hand Diagnostic menu click on Diagnostic Test The following page is displayed Click RUN Diagnostic Test button to start the ADSL diagnostic Fields Description Select the Internet Connec...

Page 116: ...es for future use you can use the Commit Reboot function This function saves your changes from RAM to flash memory and reboot the system IMPORTANT Do not turn off your modem or press the Reset button...

Page 117: ...ded before you change any configuration settings on the Router or before you upgrade your firmware Backup settings From the left hand Admin menu click on Backup Restore The following page is displayed...

Page 118: ...web browser If necessary reconfigure your PC s IP address to match your new configuration Resetting to Defaults This page allows you to reset your device to its default factory settings The configura...

Page 119: ...If you reset your device to factory defaults all previous configuration changes that you have made are overwritten by the factory default configuration Software Reset From the left hand Admin menu cl...

Page 120: ...mmend that you change the default username and password to your own unique settings To change the default password From the left hand Admin menu click on Password The following page is dis played Curr...

Page 121: ...121 802 11n WLAN ADSL2 Router Administration Password Click OK Enter new User name and Password Click Apply 10 0 0 2 Login page...

Page 122: ...heck whether there are later firmware versions available If there is a later version you can download it via the Internet and install it on your device Note If there is a firmware update available you...

Page 123: ...The file s directory path is displayed in the Select File text box Click Upload The device checks that the selected file contains an updated version of firmware A screen pops up please click OK Firmw...

Page 124: ...www modecom eu 124 802 11n WLAN ADSL2 Router 10 0 0 2 MODECOM MC 4220 ADSL Router Click on OK...

Page 125: ...This page is used to configure the IP Address for Access Control List If ACL is enabled just these IP address that in the ACL Table can access CPE Here you can add delete IP Address ACL Config From th...

Page 126: ...11n WLAN ADSL2 Router Check on Enable From the Interface drop down list select LAN Enter the IP Address and the Subnet Mask Click Add 10 0 0 34 From the ACL Capability ratio select Enable Click Apply...

Page 127: ...s may not have a date or time mechanism or may be using inac curate time day information the Simple Network Time Protocol feature provides a way to synchronize the device s own time of day setting wit...

Page 128: ...he SNTP client to update the system clock SNTP server The IP address or the host name of the SNTP server You can select from the list or set it manually Function Button Description Apply Changes Click...

Page 129: ...aii Standard Not applicable Not applicable AKST 900 Alaska Standard First Sunday of April at 2 00am Last Sunday of Octo ber at 2 00am YST 900 Yukon Standard First Sunday of April at 2 00am Last Sunday...

Page 130: ...T offset Description Daylight Saving Start Daylight Saving End CET 100 Central Euro pean Last Sunday March at 2 00am Last Sunday October at 2 00am MET 100 Middle Euro pean Last Sunday March at 2 00am...

Page 131: ...ROK 900 Korean Stan dard Not applicable Not applicable Time Zone GMT offset Description Daylight Saving Start Daylight Saving End KST 900 Korean Stan dard Not applicable Not applicable JST 900 Japan S...

Page 132: ...unication between a CPE and Auto Configuration Server ACS The CPE TR 069 configuration should be well defined to be able to communicate with the remote ACS TR 069 Configuration From the left hand Admi...

Page 133: ...ime interval in second to send Inform RPC Connection Request Field Description User Name The username the remote ACS should use when connecting to this device Path The path of the device ConnectionReq...

Page 134: ...Router ADSL This page shows the ADSL line statistic information From the left hand Statistics menu click on ADSL The following page is dis played To display updated statistics showing any new data sin...

Page 135: ...8 PCs Windows NT 4 0 workstations Windows XP PCs In the Windows task bar click the Start button and then click Control Panel Double click the Network Connections icon In the LAN or High Speed Internet...

Page 136: ...ocal Area Connection icon and then select Properties In the Local Area Connection Properties dialog box select Internet Protocol TCP IP and then click Properties In the Internet Protocol TCP IP Proper...

Page 137: ...com ponents If the list includes TCP IP and then the protocol has already been enabled Skip to step 9 If TCP IP does not display as an installed component click Add The Select Network Component Type d...

Page 138: ...continue and then click OK if prompted to restart your com puter Next configure the PCs to accept IP information assigned by the Wireless ADSL2 Router Open the Control Panel window and then double cl...

Page 139: ...the Wireless ADSL2 Router s LAN port If you manually assign IP information to all your LAN PCs you can follow the instructions in Addressing to change the LAN port IP address accordingly IP Addresses...

Page 140: ...ifferent uses and characteristics Class A networks are the Internet s largest networks each with room for over 16 million hosts Up to 126 of these huge networks can exist for a total of over 2 billion...

Page 141: ...lso included Since this extra bit has only two values 0 and 1 this means there are two subnets Each subnet uses the remaining 7 bits in field4 for its host IDs which range from 1 to 126 hosts instead...

Page 142: ...te lower quality cables Internet Access My PC cannot access the Internet Use the ping utility discussed in the following section to check whether your PC can communicate with the de vice s LAN IP addr...

Page 143: ...ter Verify that the PC s IP address is defined as being on the same subnet as the IP address assigned to the LAN port on the Wireless ADSL2 Router My changes to the web pages are not being retained Be...

Page 144: ...mand prompt or through a system administration utility nslookup You can use the nslookup command to determine the IP address associated with an Internet site name You specify the common name and the n...

Page 145: ...See data rate Ethernet ADSL Asymmetric Digital Subscriber Line The most commonly deployed flavor of DSL for home us ers is asymmetrical DSL The term asymmetrical refers to its unequal data rates for d...

Page 146: ...d more intel ligence to data transfers by using network addresses instead The Wireless ADSL2 Router can perform both routing and bridging Typically when both functions are enabled the de vice routes I...

Page 147: ...onding IP address If the DNS server cannot find the IP address it communicates with higher level DNS servers to determine the IP address See domain name domain name A domain name is a user friendly na...

Page 148: ...a arrives from one or more directions and is forwarded out in one or more direc tions It connects an Ethernet bridge Router to a group of PCs on a LAN and allows communication to pass between the netw...

Page 149: ...network limited to a small geographic area such as a home or small office LED Light Emitting Diode An electronic light emitting device The indicator lights on the front of the Wireless ADSL2 Router a...

Page 150: ...ctor See Ethernet RJ 45 packet Data transmitted on a network consists of units called pack ets Each packet contains a payload the data plus overhead information such as where it came from source addre...

Page 151: ...to a telephone port It is a 6 pin connector usu ally containing four wires RJ 45 Registered Jack Standard 45 The 8 pin plug used in transmitting data over phone lines Ethernet cabling usually uses thi...

Page 152: ...n File Transfer Protocol FTP but not as capable or secure TKIP Temporal Key Integrity Protocol TKIP provides WPA with a data encryption function It ensures that a unique master key is generated for ea...

Page 153: ...ter id of an unnumbered interface is allowed to be the same as the IP address of another interface For example the WAN unnumbered interface of your device uses the same IP address of the LAN interface...

Page 154: ...b site file typically containing text graphics and hyper links cross references to the other pages on that web site as well as to pages on other web sites When a user ac cesses a web site the first pa...

Page 155: ...155 802 11n WLAN ADSL2 Router...

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