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Parameter

Description

DMZ setting for

Show the DMZ setting is for single or multiple IP

Addresses.

DMZ

Enable or disable the DMZ function.

DMZ Host IP Address Enter a static IP Address to the DMZ Host. This IP

Address will be exposed to the Internet.

5.3.3.3. Virtual Server

Use the Virtual Server function when you want different servers/clients in your

LAN to handle different service/Internet application type (e.g. Email, FTP, Web

server etc.) from the Internet. Computers use numbers called port numbers to

recognize a particular service/Internet application type. The Virtual Server allows

you to re-direct a particular service port number (from the Internet/WAN) to a

particular LAN private IP Address and its service port number.

Содержание AR-7084A

Страница 1: ...AR 7084A AR 7084gA AR 7084B AR 7084gB W Wi ir re e W Wi ir re el le es ss s A AD DS SL L 2 2 R Ro ou ut te er r User s Manual Version 2 0 January 2007 ...

Страница 2: ...ake changes from time to time in the contents hereof without obligation to notify any person of such revision or changes The product you have purchased and the setup screen may appear slightly different from those shown in this QIG For more detailed information about this product please refer to the User s Manual on the CD ROM The software and specifications subject to change without notice Please...

Страница 3: ...ect to your line as determined by the REN you should contact your local telephone company to determine the maximum REN for your calling area If the modem causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will notify you in advance But if advance notice isn t practical you will be notified as soon as possible You will be advised of ...

Страница 4: ...uipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equ...

Страница 5: ...ce received including interference that may cause undesired operation Any changes or modifications not expressly approved by the party responsible for compliance could void the authority to operate equipment Federal Communication Commission FCC Radiation Exposure Statement This equipment complies with FCC radiation exposure set forth for an uncontrolled environment In order to avoid the possibilit...

Страница 6: ... of those who install and use it However special attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this and of the computer manufacture must therefore be allowed at all times to ensure the safe use of the equipment EU Countries Intended for Use The ETSI version of this device is intended for home and office use i...

Страница 7: ...3 1 AUTOMATICALLY SET ISP 10 3 2 MANUALLY SET ISP 13 4 IP ADDRESS SETTING 18 5 WEB MANAGEMENT CONFIGURATION 24 5 1 QUICK START 26 5 2 INTERFACE SETUP 31 5 2 1 Internet 31 5 2 2 LAN 36 5 2 3 Wireless 39 5 3 ADVANCED SETUP 43 5 3 1 Firewall 43 5 3 2 Routing 44 5 3 3 NAT 47 5 3 3 1 NAT 47 5 3 3 2 DMZ 48 5 3 3 3 Virtual Server 49 5 3 4 ADSL 50 5 4 ACCESS MANAGEMENT 51 5 4 1 ACL 51 5 4 2 IP Filter 53 ...

Страница 8: ...7 5 4 3 SNMP 58 5 4 4 UPnP 59 5 4 5 DDNS 60 5 5 MAINTENANCE 61 5 5 1 Administrator 61 5 5 2 Time Zone 62 5 5 3 Firmware 63 5 5 4 System Restart 64 5 5 5 Diagnostics 64 5 6 STATUS 65 5 6 1 Device Info 65 5 6 2 System Log 66 5 6 3 Statistics 67 6 TROUBLESHOOTING 68 7 GLOSSARY 72 ...

Страница 9: ...s PPPoA RFC 2364 PPP over ATM Adaptation Layer 5 RFC 1483 2684 encapsulation over ATM bridged or routed and PPP over Ethernet RFC 2516 to establish a connection with ISP The product also supports VC based and LLC based multiplexing With the web management interface users can easily configure the various functions of the router including DHCP server NAT virtual server DMZ access control IP MAC Appl...

Страница 10: ...ls over AAL5 RFC 1483 2684 PPP over AAL5 RFC 2364 PPP over Ethernet RFC 2516 Support 802 11g Wireless Access Point For AR 7084gA AR 7084gB Complies with IEEE 802 11g b standard High data rate up to 54Mbps network speed Supports 64 bit 128 bit WEP WPA PSK and WPA2 PSK wireless security functions Support Auto Channel Selection Supports MAC address filtering Router NAT Network Address Translation IP ...

Страница 11: ...rer 4 0 or higher RJ 45 Ethernet crossover cable Included in the package RJ 11 ADSL Ready phone Line 1 3 Package Content One ADSL2 Router Annex A or B One Dipole Antenna For AR 7084gA AR 7084gB One Power Adapter 12VDC 1A for AR 7084gA gB 12VDC 0 5A for AR 7084A B One RJ 45 Ethernet Cable 100 cm One RJ 11 Telephone Line 180 cm One Quick Installation Guide One CD with full User Manual ...

Страница 12: ... or restore to factory defaults z If problems occur with your router press the router s reset button with a pencil tip for less than 5 seconds and the router will re boot itself keeping your original configurations z If problems persist or you experience extreme problems or you forgot your password press the reset button for longer than 5 seconds and the router will reset itself to the factory def...

Страница 13: ...outer s front panel there are LED lights that inform you of the router s current status Below is an explanation of each LED and its description LED Light Status Description On The router is ready PWR Green Off Wireless LAN is disabled Blinking Wireless traffic is transmitting or receiving WLAN Yellow For AR 7084gA AR 7084gB On Connected to an ADSL DSLAN successfully ADSL Green Blinking No connecti...

Страница 14: ...Step 3 Connect the Power Adapter to the Router Connect the power adapter to the power jack on the rear panel of router Step4 Check the ADSL LED on the Router The ADSL LED will be ON if the router is connected to the ADSL cable and receives the ADSL signals successfully If the LED is blinking please contact with your ISP Internet Service Provider to check the problem Note You must use the power ada...

Страница 15: ...wing items 1 Please make sure that you have connected the ADSL cable to the router correctly When the ADSL cable is worked normally the ADSL LED will be on 2 Uninstall all of dial up programs if you have installed previously for the USB modem or other dial up devices 3 It is recommended to configure the router through the Ethernet cable before you have set the wireless functions correctly This wiz...

Страница 16: ...8 2 The following screen will be displayed Click Setup Wizard 3 This wizard will be executed and try to search for the ADSL Router ...

Страница 17: ...9 4 If the router cannot be found please enter the IP Address and the Password of the router to search again Click Next to continue ...

Страница 18: ...P page Please select the ISP If you cannot find the ISP please click Other to reselect the country or manual configure the ISP information 3 1 Automatically Set ISP If you can find the ISP from the wizard please follow the procedures below to let the wizard set the ISP settings automatically 1 Please select the ISP Internet Service Provider of your ADSL service ...

Страница 19: ...d to you if it is needed Click Next 3 Click Save to save the settings and reboot the router 4 After saving and rebooting the router the ISP settings are all finished This wizard will then help to set your computer to obtain IP Address from the router automatically ...

Страница 20: ...is disabled before running the wizard the wizard will enable the DHCP Server of the router automatically 5 The wizard will try to connect to the ISP you have selected If the connection is failed please run the wizard to select the ISP again 6 If you can successfully to connect to the ISP you will see below page If you want to configure more settings please click Advanced Settings to get into the w...

Страница 21: ... 2684 Gather the information as illustrated in the following table and keep it for reference PPPoE VPI VCI VC based LLC based multiplexing Username Password and Service Name PPPoA VPI VCI VC based LLC based multiplexing Username Password RFC1483 Bridged VPI VCI VC based LLC based multiplexing to use Bridged Mode RFC1483 Routed VPI VCI VC based LLC based multiplexing IP Address Subnet Mask Gateway ...

Страница 22: ...r ISP the connection type of the ADSL line Select the Connection Type and click Next Note If you want to select the other country manually please click Back 3 Input the VPI VCI and Encapsulation data supplied by your ISP If the ...

Страница 23: ...ve to input the IP Address information supplied by your ISP To know more about the explanation of each setting please refer to Section 5 2 in the manual 4 Enter the Username and Password which your ISP has provided to you if it is needed Click Next ...

Страница 24: ...dress from the router automatically Note1 To use the router to get into the Internet the IP Address of each PC has to be set in the same network segment as the router This wizard will help to set the proper IP Address to your computer Note2 By default the router s DHCP Server is enabled If it is disabled before running the wizard the wizard will enable the DHCP Server of the router automatically ...

Страница 25: ...on is failed please run the wizard to select the ISP again 8 If you can successfully to connect to the ISP you will see below page If you want to configure more settings please click Advanced Settings to get into the web management of the router or click Finish to close the wizard ...

Страница 26: ...8 2 200 It is strongly recommended to set obtaining IP address automatically This section shows you how to configure your PC s so that it can obtain an IP address automatically for either Windows 95 98 Me 2000 or NT operating systems For other operating systems Macintosh Sun etc please follow the manual of the operating systems The following is a step by step illustration on how to configure your ...

Страница 27: ...lly and Obtain DNS server address automatically as shown on the following screen 5 Click OK to confirm the setting Your PC will now obtain an IP address automatically from your router s DHCP server Note Please make sure that the router s DHCP server is the only DHCP server available on your LAN ...

Страница 28: ...l Area Connection icon The Local Area Connection window will appear 3 In the Local Area Connection window click the Properties button 4 Check your list of Network Components You should see Internet Protocol TCP IP on your list Select it and click the Properties button 5 In the Internet Protocol TCP IP Properties window select Obtain an IP address automatically and Obtain DNS server address automat...

Страница 29: ...p 6 4 In the Network Component Type dialog box select Protocol and click Add button 5 In the Select Network Protocol dialog box select Microsoft and TCP IP and then click the OK button to start installing the TCP IP protocol You may need your Windows CD to complete the installation 6 After installing TCP IP go back to the Network dialog box Select TCP IP from the list of Network Components and the...

Страница 30: ...l Panel window will appear 2 Double click Network icon The Network window will appear Select the Protocol tab from the Network window 3 Check if the TCP IP Protocol is on your list of Network Protocols If TCP IP is not installed click the Add button to install it now If TCP IP is installed go to step 5 4 In the Select Network Protocol window select the TCP IP Protocol and click the Ok button to st...

Страница 31: ...lowing settings IP Address Select Obtain an IP address from a DHCP server DNS Let all fields are blank WINS Let all fields are blank Routing Let all fields are blank 7 Click OK to confirm the setting Your PC will now obtain an IP address automatically from your Broadband Router s DHCP server Note Please make sure that the router s DHCP server is the only DHCP server available on your LAN ...

Страница 32: ...utomatically To see if you have obtained an IP address see Appendix A Once your PC has obtained an IP address from your router enter the default IP address 192 168 2 1 router s IP address into your PC s web browser and press enter The login screen below will appear Enter the User Name and Password and then click OK to login By default the user name is admin and the password is 1234 For security re...

Страница 33: ...tart you can quickly set the router as an Internet Access device Interface Setup Section 5 2 It allows you to configure the Internet LAN and Wireless access For AR 7084gA AR 7084gB Advanced Setup Section 5 3 This section contains configurations for the router s advanced functions such as Firewall Virtual Server DMZ ADSL Mode ADSL Type etc Access Management Section 5 4 It allows you to configure AC...

Страница 34: ...to get you using the router as quickly as possible Before configuring the router please check with your ISP Internet Service Provider what kind of the service is provided such as PPPoE PPPoA or RFC1483 2684 Gather the information as illustrated in the following table and keep it for reference PPPoE VPI VCI VC based LLC based multiplexing Username Password and Service Name PPPoA VPI VCI VC based LL...

Страница 35: ...27 In the Quick Start click Run Wizard to start the configuration Please follow the steps in the setup wizard to complete the configuration of the Internet connection ...

Страница 36: ...28 Step 1 Set your new password Please enter the new password and confirm the password again Step 2 Choose your tome zone Please select the tome zone where you are located ...

Страница 37: ...et your Internet connection Please check with your ISP the connection type of the ADSL line Step 4 Input the data supplied by your ISP To know more about the explanation of each setting please refer to Section 5 2 ...

Страница 38: ...30 Step 5 Re start your ADSL router Click Next to save the settings and restart the router ...

Страница 39: ...fier and VCI Virtual Channel Identifier define a virtual circuit VPI VPI is a virtual path determines the way an ATM cell should be routed The VPI is an 8 bit in UNI or 12 bit in NNI number that is included in the header of an ATM cell The valid range for the VPI is 0 to 255 Enter the VPI assigned by the ISP ...

Страница 40: ...it Rate This class is similar to nrtVBR but is designed for applications that are sensitive to cell delay variation Examples for real time VBR are voice with speech activity detection SAD and interactive compressed video nrtVBR non real time Variable Bit Rate This class allows users to send traffic at a rate that varies with time depending on the availability of user information Statistical multip...

Страница 41: ...PPPoA PPP over ATM are common connection methods used for xDSL Bridge Mode Bridge Mode is a common connection method used for xDSL modem z Dynamic IP Address Static IP Address PPPoE PPPoA Bridge Mode After you have selected the ISP Type this web page will be varied depending on the ISP Type you select You have to continue setting some parameters Please refer to the following table for the explanat...

Страница 42: ...he Internet Close if idle for xx minutes is set to stop the connection when the network traffic is not sending or receiving after an idle time Connect Manually After you have selected this option please go to Status page You will see the Connect button click it and the router will connect to the ISP If you want to stop the connection please click Disconnect button TCP MSS Option The TCP MSS Option...

Страница 43: ...ll help to make all necessary IP address translations for the PC connected to the router to access the Internet Default Route When Default Router is enabled all the packets for destinations not known by the router s routing table are sent to the default route By default it is enabled TCP MTU Option MTU Maximum Transmission Unit determine the maximum size of each packet in any transmission within t...

Страница 44: ...ceivers Please select IGMP v1 or IGMP v2 as the multicast protocol or select Disabled to disable the function 5 2 2 LAN z Router Local IP Parameter Description IP Address Enter the IP Address of the ADSL router for the local user to access the router s web page By default the IP Address is 192 168 2 1 ...

Страница 45: ...l or select Disabled to disable the function IGMP Snoop When IGMP Snoop Internet Group Management Protocol Snoop is enabled the router can make intelligent multicast forwarding decisions by examining the contents of each frame s IP header Without the function the router will broadcast the multicast packets to each port and may create excessive traffic in the network and degrade the performance of ...

Страница 46: ...hreshold period is terminated DNS Relay A Domain Name System DNS server is like an index of IP addresses and Web addresses If you type a Web address into your browser such as www router com a DNS server will find that name in its index and the matching IP address Please select Use Auto Discovered DNS Server Only to auto set the DNS Server If there is a DNS server that you would rather to use pleas...

Страница 47: ...less clients to connect wirelessly Channel It is the radio channel used by the wireless LAN All devices in the same wireless LAN should use the same channel Please select the country you are located and designate a channel that the router will use If you want to let the router automatically find an available channel with the highest signal strength please select Auto The auto selective channel wil...

Страница 48: ...00 to 2347 Fragmentation Threshold Fragment Threshold specifies the maximum size of packet during the fragmentation of data to be transmitted If you set this value too low it will result in bad performance Enter a value from 256 to 2346 DTIM Determines the interval the Access Point will send its broadcast traffic The range is from 1 to 255 and the default value is 3 beacons 802 11b g 802 11 b This...

Страница 49: ...ireless clients have to set the same SSID of the router in order to access the network Authentication Type To prevent unauthorized wireless clients from accessing the router this router supports WEP WPA PSK and WPA2 PSK authentication type If the router has enabled the authentication all the wireless clients settings have to be consistent with the router for building the connection z WEP WPA PSK W...

Страница 50: ...IP or AES for data encryption WPA2 PSK offers the highest level of security When WPA2 PSK is selected please select the encryption method and enter 8 63 characters as the Pre Shared Key z Wireless MAC Address Filter Parameter Description Active This router can prevent the wireless clients from accessing the wireless network by checking the MAC Address of the clients If you enable this function ple...

Страница 51: ...ing control 5 3 Advanced Setup 5 3 1 Firewall Parameter Description Firewall When you enable the firewall function it will protect you from following attacks of WAN side z SYN flooding attack z Ping of Death z Teardrop z Land attack SPI If you enable SPI all traffics initiated from WAN site will be blocked including DMZ Virtual Server etc 5 3 2 Routing ...

Страница 52: ...255 0 0 0 16 means the Subnet Mask is 255 255 0 0 24 means the Subnet Mask is 255 255 255 0 Parameter Description Gateway IP The next stop gateway of the path toward the destination LAN This is the IP of the neighbor router that this router should communicate with on the path to the destination LAN Metric The number of hops routers to pass through to reach the destination LAN It must be between 1 ...

Страница 53: ... for system default route Drop Drop the route this icon is not shown for system default route z Add Route If you have another router with a LAN to LAN connection you may need to create a static routing on the router that is the gateway to Internet ...

Страница 54: ... where packets are sent Enter the gateway IP Address and select the channel PVC you want to configure Metric The number of hops routers to pass through to reach the destination LAN It must be between 1 and 15 Announced in RIP Select Yes this routing path will be propagated to other hosts through RIP broadcasts Select No this routing path will be kept private and it is not included in RIP broadcast...

Страница 55: ...ect the channel PVC you want to configure NAT Status The activated or deactivated status for the NAT function will be shown here Number of IPs Select Single if you only have a public IP Address Select Multiple if you have multiple IP Addresses 5 3 3 2 DMZ The DMZ Host is a local computer exposed to the Internet When setting a particular internal IP Address as the DMZ Host all incoming packets will...

Страница 56: ...tual Server Use the Virtual Server function when you want different servers clients in your LAN to handle different service Internet application type e g Email FTP Web server etc from the Internet Computers use numbers called port numbers to recognize a particular service Internet application type The Virtual Server allows you to re direct a particular service port number from the Internet WAN to ...

Страница 57: ...or example FTP or HTTP Server When the application is selected the port number for the application will be assigned automatically Parameter Description Start Port Number Enter the start port number End Port Number Enter the end port number Local IP Address It is recommended to enter a static IP Address for the server here If the server s IP Address is obtained from DHCP Server the IP Address may b...

Страница 58: ...sses that the DHCP Server will assign 5 3 4 ADSL Parameter Description ADSL Mode The default setting is Auto Sync Up This mode will automatically detect the ADSL mode including ADSL2 ADSL2 G DMT T1 413 and G lite If you are not sure how to select the ADSL mode please contact with your ISP ADSL Type Check with your ISP about the ADSL type of the DSLAM device they use ...

Страница 59: ...the IP Address of the computer Parameter Description ACL Activate or deactivate the Access Control function When you have activated the function please do make sure that you have designated the available applications services or you will be denied to access all the services Parameter Description ACL Rule Index This is the item number to record the setting rule Secure IP Address The default 0 0 0 0...

Страница 60: ...e services that you permit to use in your LAN or WAN interface These services include Web FTP Telnet SNMP and Ping Interface Select the interface that the user is allowed to use services through it It includes LAN WAN or Both ...

Страница 61: ...some users accessing to the router by filtering the users through IP Address or MAC Address You can also restrict some applications or URLs be accessing by users through the router here Please select the filter type to start configuring ...

Страница 62: ...Set Editing Parameter Description IP MAC Filter Set Index This is the item number to record the setting Interface Select which channel PVC to configure Direction Select the access to the Internet Outgoing or from the Internet Incoming or Both ...

Страница 63: ...ers use port number to distinguish one network application over another such as 21 is for FTP service The port number range is from 0 to 65535 It is recommended that this option be configured by an advanced user Destination IP Address Enter the start IP Address which will be monitored If 0 0 0 0 is set it means for any IP Address Subnet Mask Enter the Subnet Mask based on the Destination IP Addres...

Страница 64: ... that you want to filter Rule Unmatched Select action for the traffic unmatching current rule Forward is to leave it pass through Next is to check it by the next rule z IP MAC Filter Listing The IP MAC Filter Listing will list the IP MAC Filter rules you have configured You can review the settings here 5 4 2 2 Application Filter ...

Страница 65: ... If Allow is selected the packets for these applications will be able to pass through the router If you want to restrict these applications please select Deny 5 4 2 3 URL Filter z URL Filter Editing Parameter Description Active Activate or deactivate the URL filter URL Index This is the item number to record the setting ...

Страница 66: ...gs here 5 4 3 SNMP Simple Network Management Protocol SNMP is a popular protocol for network management It is used for collecting information and configuring the network devices This router supports SNMP agent function which allows a manager station to manage and monitor the router through the network Parameter Description Get Community Enter the password for the incoming Get and GetNext requests ...

Страница 67: ...hrough web browser Parameter Description UPnP Activated or deactivated the UPnP function Auto configured Select this check box to allow UPnP enabled applications to automatically configure the router so that they can communicate through the router for example by using NAT traversal UPnP applications automatically reserve a NAT forwarding port in order to communicate with another UPnP enabled devic...

Страница 68: ...ted or deactivated the DDNS function Service Provider This router supports DynDNS service provider My Host Name Enter the domain name assigned to your router by the service provider E mail Address Enter the E mail address assigned by DDNS service provider Username Enter your username Password Enter the password you set for the DDNS service Wildcard Support Enable or disable the wildcard to stand f...

Страница 69: ...5 5 1 Administrator Parameter Description Username The username of the router is admin by default New Password Enter up to 30 digit of the new password Confirm Password Enter the new password again to confirm the setting ...

Страница 70: ...time with NTP Server Automatically Set the time by following with a NTP Server PC s Clock Set the time the same as your computer Manually Set the time manually Time Zone Select the time zone of the country you are currently in The router will set its time based on your selection Daylight Saving Select this option if it is in daylight savings time NTP Server Address Enter the IP Address of your tim...

Страница 71: ...ation To restore the backup settings please type in the location of the backup file or click Browse to find it Romfile Backup To save the current settings as a backup file please click ROMFILE SAVE Then please change the file name and select the location you want to save the file Upgrade Click Upgrade to begin the upgrade processes or backup file restoring processes After the router is restarted t...

Страница 72: ...tart the router using the factory default settings select Factory Default Settings to reset to factory defaults You can also click the Reset button in the rear panel of the router over 5 seconds to reset default settings 5 5 5 Diagnostics This page allows you to diagnose the connectivity of the LAN and WAN network ...

Страница 73: ...65 5 6 Status 5 6 1 Device Info In this page you can know the device information including firmware MAC Address LAN and WAN settings and also the ADSL line status ...

Страница 74: ...66 5 6 2 System Log Display system logs accumulated up to the present time You can also save the logs for future reviewing ...

Страница 75: ...67 5 6 3 Statistics Show the statistics of transmit and receive packets on the LAN port ADSL line or WLAN port ...

Страница 76: ...lephone wire and connections between ADSL2 Router DSL port and the wall jack 2 Make sure that the telephone company has checked your phone line and set it up for DSL service 3 Reset your ADSL line to reinitialize your link to the DSLAM 4 If these steps fail to correct the problem contact your local distributor for assistance 3 I cannot access the web management STEPS CORRECTIVE ACTION 1 Make sure ...

Страница 77: ... computer and router s IP Addresses are in the same subnet Step 1 Click Start and select Run Step 2 Type in cmd and click OK Step 3 Type ipconfig all and click enter z Your PC s IP address is 192 168 2 111 z The PC s Subnet Mask is 255 255 255 0 z Your PC s MAC Address is the one entitled Physical Address 00 00 E2 82 C3 AD ...

Страница 78: ...e sure that you enter the correct password and username using the proper casing 4 It is highly recommended to change the default username and password Make sure you store the username and password in a save place 5 I cannot access the Web Management of the router after activating the ACL function STEPS CORRECTIVE ACTION 1 When ACL is activated you have to set the ACL rule for allowing some users t...

Страница 79: ...nd type of multiplexing settings with the ISP 7 I cannot get a WAN IP address from the ISP STEPS CORRECTIVE ACTION 1 The ISP provides the WAN IP address after authenticating you Authentication may be through the user name and password the MAC address or the host name 2 The username and password apply to PPPoE and PPPoA encapsulation only Make sure that you have entered the correct Service Type Use...

Страница 80: ...andwidth requirement of applications which demand asymmetric traffic such as web surfing file download and Video on demand VOD ATM Asynchronous Transfer Mode is a layer 2 protocol supporting high speed asynchronous data with advanced traffic management and quality of service features bps Bits per second a standard measurement of digital transmission speeds Bridge A device that connects two or more...

Страница 81: ... or more IP addresses such as 192 34 45 8 A DNS server keeps a database of Internet servers and their respective domain names and IP addresses so that when a domain name is requested as in typing Broadbandrouter com into your Internet browser the user is sent to the proper IP address The DNS server IP address used by the computers on your home network is the location of the DNS server your ISP has...

Страница 82: ...ddress is an IP address for the Internet router located at the ISP s office LAN Local Area Network is a group of computers and devices connected together in a relatively small area such as a house or an office Your home network is considered a LAN MAC Address MAC stands for Media Access Control A MAC address is the hardware address of a device connected to a network The MAC address is a unique ide...

Страница 83: ...uter on your home network without having to purchase more IP addresses from your ISP Port Network Clients LAN PC uses port numbers to distinguish one network application protocol over another Below is a list of common applications and protocol port numbers Application Protocol Port Number Telnet TCP 23 FTP TCP 21 SMTP TCP 25 POP3 TCP 110 H 323 TCP 1720 SNMP UCP 161 SNMP Trap UDP 162 HTTP TCP 80 PP...

Страница 84: ...hout confusion or misunderstanding PVC Permanent Virtual Circuit connection oriented permanent leased line circuit between end stations on a network over a separate ATM circuit RFC Request for Comments The document series begun in 1969 which describes the Internet suite of protocols and related experiments Not all RFCs describe Internet standards but all Internet standards are written up as RFCs R...

Страница 85: ... Protocol Internet Protocol TCP IP and Unreliable Datagram Protocol UDP TCP IP is the standard protocol for data transmission over the Internet Both TCP and UDP are transport layer protocol TCP performs proper error detection and error recovery and thus is reliable UDP on the other hand is not reliable They both run on top of the IP Internet Protocol a network layer protocol TELNET It is the virtu...

Страница 86: ...ngs cities countries The Internet is a wide area network Web based management Graphical User Interface GUI Many devices support a graphical user interface that is based on the web browser This means the user can use the familiar Netscape or Microsoft Internet Explorer to Control configure or monitor the device being managed ...

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