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Reference Guide for the Model MR314 Cable/DSL Wireless Router

Network and Routing Basics

B-13

The 128-bit WEP data encryption method consists of 104 user-configurable bits. Similar to the
forty-bit WEP data encryption method, the remaining 24 bits are factory set and not user
configurable. Some vendors allow passphrases to be entered instead of the cryptic hexadecimal
characters to ease encryption key entry.

Wireless Channel Selection

IEEE 802.11 wireless nodes communicate with each other using radio frequency signals in the
ISM (Industrial, Scientific, and Medical) band between 2.4Ghz and 2.5Ghz. Neighboring
channels are 5Mhz apart. However, due to spread spectrum effect of the signals, a node sending
signals using a particular channel will utilize frequency spectrum12.5Mhz above and below the
center channel frequency. As a result, two separate wireless networks using neighboring channels
(for example, channel 1 and channel 2) in the same general vicinity will interfere with each other.
Applying two channels that allow the maximum channel separation will decrease the amount of
channel cross-talk, and provide a noticeable performance increase over networks with minimal
channel separation.

The radio frequency channels used are listed in

Table B-3

:

Table B-3.

802.11 Radio Frequency Channels

Channel

Center Frequency

Frequency Spread

1

2412Mhz

2399.5Mhz - 2424.5Mhz

2

2417Mhz

2404.5Mhz - 2429.5Mhz

3

2422Mhz

2409.5Mhz - 2434.5Mhz

4

2427Mhz

2414.5Mhz - 2439.5Mhz

5

2432Mhz

2419.5Mhz - 2444.5Mhz

6

2437Mhz

2424.5Mhz - 2449.5Mhz

7

2442Mhz

2429.5Mhz - 2454.5Mhz

8

2447Mhz

2434.5Mhz - 2459.5Mhz

9

2452Mhz

2439.5Mhz - 2464.5Mhz

10

2457Mhz

2444.5Mhz - 2469.5Mhz

11

2462Mhz

2449.5Mhz - 2474.5Mhz

12

2467Mhz

2454.5Mhz - 2479.5Mhz

13

2472Mhz

2459.5Mhz - 2484.5Mhz

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Содержание MR314 - Wireless Router

Страница 1: ...SM MR314NA 1 July 2001 NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA Phone 1 888 NETGEAR Reference Guide for the Model MR314 Cable DSL Wireless Router...

Страница 2: ...allation This equipment 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 H...

Страница 3: ...s hereby certified that the Model MR314 Cable DSL Wireless Router has been suppressed in accordance with the conditions set out in the BMPT AmtsblVfg 243 1991 and Vfg 46 1992 The operation of some equ...

Страница 4: ...iv...

Страница 5: ...ensing 10 100 Ethernet 1 4 TCP IP 1 4 Easy Installation and Management 1 5 Maintenance and Support 1 5 Chapter 2 Setting Up the Hardware Package Contents 2 1 Local Network Hardware Requirements 2 2 PC...

Страница 6: ...Account 3 7 Login Protocols 3 7 Account Information 3 8 Obtaining ISP Configuration Information Windows 3 8 Obtaining ISP Configuration Information Macintosh 3 9 Ready for Configuration 3 10 Chapter 4...

Страница 7: ...6 Updating Router Software Using FTP 6 6 Backing Up and Restoring the Configuration Using FTP 6 6 Using FTP from the WAN 6 7 Restoring the Default Configuration and Password 6 7 Using the Default Rese...

Страница 8: ...ation Using NAT B 8 MAC Addresses and Address Resolution Protocol B 9 Domain Name Server B 9 IP Configuration by DHCP B 10 Wireless Networking B 11 Wireless Network Configuration B 11 Ad hoc Mode Peer...

Страница 9: ...zard fourth screen 4 8 Figure 5 1 LAN Setup Menu 5 3 Figure 5 2 Wireless Setup Menu 5 6 Figure 5 3 Wireless Access Filter menu 5 8 Figure 5 4 Port Forwarding Menu 5 10 Figure 5 5 Static Route Summary...

Страница 10: ...x...

Страница 11: ...up Fields 5 4 Table 5 4 Wireless LAN Setup Fields 5 6 Table 5 5 Port Table Entries Example 5 11 Table 5 6 Edit IP Static Route Fields 5 13 Table 6 1 System Status fields 6 2 Table 6 2 Router Statistic...

Страница 12: ...xii...

Страница 13: ...ncludes an extensive knowledge base answers to frequently asked questions and a means for submitting technical questions online Related Publications As you read this document you may be directed to va...

Страница 14: ...more information about address assignment refer to the IETF documents RFC 1597 Address Allocation for Private Internets and RFC 1466 Guidelines for Management of IP Address Space For more information...

Страница 15: ...rl C Two or more keys that must be pressed simultaneously are shown in text linked with a plus sign ALL CAPS DOS file and directory names Special Message Formats This guide uses the following formats...

Страница 16: ...Reference Guide for the Model MR314 Cable DSL Wireless Router xvi About This Guide...

Страница 17: ...tended for use by a single PC The Model MR314 router provides you with multiple Web content filtering options plus browsing activity reporting and instant alerts both via e mail Parents and network ad...

Страница 18: ...port for normal or uplink connection Half duplex or full duplex operation Ethernet connection to a wide area network WAN device such as a cable modem or DSL modem RJ 45 interface allowing connection t...

Страница 19: ...IEEE 802 11b products WEP keywords may be entered manually or generated by passphrase Content Filtering With its content filtering features the Model MR314 router prevents objectionable content from...

Страница 20: ...0 Mbps Fast Ethernet network The local LAN interface is autosensing and is capable of full duplex or half duplex operation The Model MR314 router incorporates Auto UplinkTM technology Each LOCAL Ether...

Страница 21: ...n always on connection by simulating a dial up connection Easy Installation and Management You can install configure and operate the Model MR314 Cable DSL Wireless Router within minutes after connecti...

Страница 22: ...Reference Guide for the Model MR314 Cable DSL Wireless Router 1 6 Introduction...

Страница 23: ...le DSL Wireless Router AC power adapter 12 V DC output Category 5 Cat 5 Ethernet cable straight through wiring Model MR314 Resource CD including This guide Application Notes MR314 Cable DSL Wireless R...

Страница 24: ...To install and run the Model MR314 router over your network of PCs each PC must have the following An installed 802 11b compliant wireless adapter OR An Ethernet Network Interface Card NIC For interco...

Страница 25: ...hese LEDs are green when lit except for the TEST LED which is amber Table 2 1 LED Descriptions Label Activity Description PWR Power On Off Power is supplied to the router Power is not supplied to the...

Страница 26: ...t Internet Ethernet port for connecting the router to a cable or DSL modem Four Local Ethernet ports for connecting the router to local PCs Factory Default Reset pushbutton Ground lug ACT On Data is b...

Страница 27: ...change the settings of that PC to match the default settings of the router The ESSID should be Wireless note the capitalization WEP encryption is disabled Your IP address must be in the range of 192...

Страница 28: ...4 router does not include a cable for this connection Instead use the Ethernet cable provided with your access device or any other standard 10BASE T Ethernet cable If you are using a DSL modem the mod...

Страница 29: ...ON LED is lit c The LOCAL LNK ACT LEDs are lit for any local ports that are connected d The INTERNET LNK LED is lit If a LNK or LNK ACT LED is lit a link has been established to the connected device 4...

Страница 30: ...Reference Guide for the Model MR314 Cable DSL Wireless Router 2 8 Setting Up the Hardware...

Страница 31: ...twork must have TCP IP installed and selected as the networking protocol Note In this chapter we use the term PC to refer to personal computers in general and not necessarily Windows computers Most op...

Страница 32: ...bootup For a detailed explanation of the meaning and purpose of these configuration items refer to Appendix B Network and Routing Basics The Model MR314 router is shipped preconfigured as a DHCP serv...

Страница 33: ...a Click the Add button b Select Adapter and then click Add c Select the manufacturer and model of your network adapter and then click OK If you need TCP IP a Click the Add button b Select Protocol and...

Страница 34: ...CP with the recommended default addresses you can configure your PCs by following these steps 1 Install TCP IP on each PC leaving the PC configured to obtain configuration settings automatically by DH...

Страница 35: ...tion window opens which lists among other things your IP address subnet mask and default gateway 3 Select your network adapter The window is updated to show your settings which should match the values...

Страница 36: ...om the Configure box select Using DHCP Server You can leave the DHCP Client ID box empty 4 Close the TCP IP Control Panel 5 Repeat this for each Macintosh on your network Verifying TCP IP Properties M...

Страница 37: ...single user Internet account your ISP supplies TCP IP configuration information for one PC With a typical account much of the configuration information is dynamically assigned when your PC is first b...

Страница 38: ...esses Host name and domain suffix For example your account s full server names may look like this mail xxx yyy com In this example the domain suffix is xxx yyy com If any of these items are dynamicall...

Страница 39: ...are shown write down the addresses If any information appears in the Host or Domain information box write it down Click Disable DNS 7 Click OK to save your changes and close the TCP IP Properties dia...

Страница 40: ...own the addresses These are your ISP s DNS addresses 5 If any information appears in the Search domains information box write it down 6 Change the Configure setting to Using DHCP Server 7 Close the TC...

Страница 41: ...ger uses Java your Web browser must be Java enabled and support HTTP uploads NETGEAR recommends using Netscape Navigator 3 0 or above Free browser programs are readily available for Windows Macintosh...

Страница 42: ...Router A login window opens as shown in Figure 4 1 below Figure 4 1 Login window This screen may have a different appearance in other browsers 5 Type admin in the User Name box 1234 in the Password bo...

Страница 43: ...nce Guide for the Model MR314 Cable DSL Wireless Router Basic Configuration of the Router 4 3 6 In the opening screen shown in Figure 4 2 select WIZARD SETUP Figure 4 2 Browser based configuration mai...

Страница 44: ...nd Domain Name as shown in Figure 4 3 below Figure 4 3 Browser based Setup Wizard first screen These parameters may be necessary to access your ISP s services such as mail or news servers If you leave...

Страница 45: ...e configured with the same ESSID in order to communicate with each other The default is Wireless note the capitalization For network security you should change the ESSID to a different value up to 32...

Страница 46: ...enter these additional parameters If your connection supports multiple ISPs enter the Service Name of the one you use Otherwise leave Service Name blank Enter the PPPoE login user name and password p...

Страница 47: ...oshiba select RR Toshiba Otherwise select RR Manager Enter the user name and password provided by your ISP These fields are case sensitive If RoadRunner provided an authentication server address enter...

Страница 48: ...t automatically transmit DNS addresses to the router during login select DNS IP Fixed Address and enter the IP address of the ISP s Primary DNS Server If a Secondary DNS Server address is available en...

Страница 49: ...n your router and PCs are configured correctly your router automatically accesses the Internet when one of your LAN devices requires access It is not necessary to run a dialer application such as Dial...

Страница 50: ...ent This e mail address will be used as the From address If you leave this box blank the log is not sent via e mail to any address You can specify that logs are automatically sent to the specified e m...

Страница 51: ...outer cannot e mail the log file the log buffer may fill up In this case the router overwrites the log and discards its contents The Model MR314 router uses the Network Time Protocol NTP to obtain the...

Страница 52: ...only websites with other domain suffixes such as edu or gov can be viewed If you wish to block all Internet browsing access during a scheduled period enter the keyword and set the schedule in the Sche...

Страница 53: ...llows you to specify one Trusted User which is a PC that will be exempt from blocking and logging Since the Trusted User will be identified by an IP address you should configure that PC with a fixed I...

Страница 54: ...Table 4 1 Table 4 1 Log entry descriptions Field Description No The index number of the content filter log entries 128 entries are available numbered from 0 to 127 The log will keep the record of the...

Страница 55: ...iewing buttons are described in Table 4 2 Table 4 2 Log display buttons Field Description Previous Page Click this button to view the previous log page Refresh Click this button to refresh the log scr...

Страница 56: ...Reference Guide for the Model MR314 Cable DSL Wireless Router 4 16 Basic Configuration of the Router...

Страница 57: ...s System Tab The System Tab contains fields for setting the System Host Name and Domain Name These parameters may be necessary to access your ISP s services such as mail or news servers System Name Th...

Страница 58: ...mic DNS are shown in Table 5 1 Password Select the Password tab to change your router s management password This is the password to access the router for configuration not for Internet access To chang...

Страница 59: ...erver allowing them to assign IP DNS and default gateway addresses to attached PCs The assigned default gateway address is the LAN address of the router IP addresses will be assigned to the attached P...

Страница 60: ...0 0 the router assigns its own address as DNS Server and performs a DNS Proxy if it can obtain a DNS address from the ISP Secondary DNS Server If you want the router to assign the Secondary DNS Server...

Страница 61: ...s routing table but it ignores any RIP broadcast packets that it receives Usually you should leave this parameter at the default None RIP Version This field determines the format and broadcasting meth...

Страница 62: ...fields to use for setting up Wireless parameters Table 5 4 Wireless LAN Setup Fields Field Description ESSID Extended Service Set ID Enter a value of up to 32 alphanumeric characters The same ESSID m...

Страница 63: ...fault value for RTS Threshold is 2432 To change this value uncheck the Default box and enter a value between 256 and 2432 WEP Configuration WEP Encryption Select the WEP Wired Equivalent Privacy Encry...

Страница 64: ...n in Figure 5 3 Figure 5 3 Wireless Access Filter menu To restrict access using this menu a Enable the Wireless Access Filter by clicking the Yes button b Obtain the Ethernet MAC address of the wirele...

Страница 65: ...a minimum security precaution you should change the ESSID setting of all devices on your network from the factory setting to a unique password Restricting access by MAC address filtering adds another...

Страница 66: ...nu Requested services are identified by port numbers in an incoming IP packet For example a packet that is sent to the external IP address of your router and destined for port number 80 is an HTTP Web...

Страница 67: ...168 0 33 acts as a Web and FTP server configure the PORTS menu to forward ports 80 HTTP and 21 FTP to local address 192 168 0 33 as shown in Table 5 5 In order for a remote user to access this server...

Страница 68: ...local PC can run the application properly if that PC s IP address is entered as the default in the PORTS Menu If one local PC acts as a game or videoconference host enter its IP address as the defaul...

Страница 69: ...or deactivate this static route Destination IP Address Enter the IP network address of the final destination Routing is always based on network number If you need to specify a route to a single host u...

Страница 70: ...ess a device on the 134 177 0 0 network your router will forward your request to the ISP The ISP forwards your request to the company where you are employed and the request will likely be denied by th...

Страница 71: ...e would look like Figure 5 7 Figure 5 7 Static Route Example In this example The Destination IP Address and IP Subnet Mask fields specify that this static route applies to all 134 177 x x addresses Th...

Страница 72: ...Reference Guide for the Model MR314 Cable DSL Wireless Router 5 16 Advanced Configuration of the Router...

Страница 73: ...be found by clicking on the Maintenance heading in the Main Menu of the browser interface System Status The System Status menu provides a limited amount of status and usage information From the Main...

Страница 74: ...Mask This field displays the IP Subnet Mask being used by the Internet WAN port of the router DHCP If set to None the router is configured to use a fixed IP address on the WAN or to use PPPoE If set...

Страница 75: ...data rate and full half duplex status TxPkts The number of packets transmitted on this port since reset or manual clear RxPkts The number of packets received on this port since reset or manual clear C...

Страница 76: ...d in FLASH memory and can be upgraded as new software is released by NETGEAR Upgrade files can be downloaded from Netgear s website If the upgrade file is compressed ZIP file you must first extract th...

Страница 77: ...sections Restore and Backup the Configuration The Restore and Backup tabs in the Maintenance menu allow you to save and retrieve a file containing your router s configuration settings To save your set...

Страница 78: ...ram follow these steps 1 Download and unzip the new software file from NETGEAR 2 Rename the new software file to ras with no extension 3 Use your FTP client to establish an FTP connection to the route...

Страница 79: ...configuration and restore factory defaults in two ways Use the Erase function of the Web Manager see Erase the Configuration on page 6 5 Use the Default Reset button on the rear panel of the router Us...

Страница 80: ...Reference Guide for the Model MR314 Cable DSL Wireless Router 6 8 Maintenance...

Страница 81: ...LED begins to blink within a few seconds indicating that the self test procedure is running 3 After approximately 30 seconds verify that a The TEST LED is not lit b The WIRELESS ON LED is lit c The L...

Страница 82: ...rrect amount of time If all LEDs including the Test LED are still on one minute after power up Cycle the power to see if the router recovers Clear the router s configuration to factory defaults This w...

Страница 83: ...e and assign an IP address if the computer cannot reach a DHCP server These auto generated addresses are in the range of 169 254 x x If your IP address is in this range check the connection from the P...

Страница 84: ...ned an IP address from your ISP If your router is unable to obtain an IP address from the ISP you may need to force your cable or DSL modem to recognize your new router by performing the following pro...

Страница 85: ...atively you may configure your PC manually with DNS addresses as explained in your operating system documentation Your PC may not have the router configured as its TCP IP gateway If your PC obtains it...

Страница 86: ...configured on your PC or workstation Verify that the IP address for your router and your workstation are correct and that the addresses are on the same subnet Testing the Path from Your PC to a Remot...

Страница 87: ...ion and restore factory defaults in two ways Use the Erase function of the Web Manager See Erase the Configuration on page 6 5 Use the Default Reset button on the rear panel of the router Use this met...

Страница 88: ...Reference Guide for the Model MR314 Cable DSL Wireless Router 7 8 Troubleshooting...

Страница 89: ...Specifications Wireless Networking Standard 802 11b Data rate 1 2 5 5 11Mbps Auto Rate Sensing Signal Frequency 2 4Ghz to 2 5Ghz Direct Sequence Spread Spectrum DSSS Range Depending on various enviro...

Страница 90: ...V 50 Hz input Japan 100V 50 60 Hz input All regions output 12 V DC 1 2A output 30W maximum Physical Specifications Dimensions 253 by 181 by 35 mm 9 95 by 7 1 by 1 4 in Weight 1 1 kg 2 5 lb Environment...

Страница 91: ...as a cable or DSL modem In order to make the best use of the slower WAN link a mechanism must be in place for selecting and transmitting only the data traffic meant for the Internet The function of s...

Страница 92: ...he world every machine on the Internet must have a unique address to make sure that transmitted data reaches the correct destination Blocks of addresses are assigned to organizations by the Internet A...

Страница 93: ...ng network and host sections of the address for each address type Figure B 1 Three Main Address Classes The five address classes are Class A Class A addresses can have up to 16 777 214 hosts on a sing...

Страница 94: ...st address is implied by the class This partitioning scheme can also be expressed by a netmask associated with the IP address A netmask is a 32 bit quantity that when logically combined using an AND o...

Страница 95: ...dresses For example the IP address of 172 16 0 0 is assigned but node addresses are limited to 255 maximum allowing eight extra bits to use as a subnet address The IP address of 172 16 97 235 would be...

Страница 96: ...55 255 240 The following table displays several common netmask values in both the dotted decimal and the masklength formats Note The number 192 68 135 127 is not assigned because it is the broadcast a...

Страница 97: ...when using NAT you can assign any IP addresses to the hosts without problems However the IANA has reserved the following three blocks of IP addresses specifically for private networks 10 0 0 0 10 255...

Страница 98: ...ked PCs to share an Internet account using only a single IP address which may be statically or dynamically assigned by your ISP The router accomplishes this address sharing by translating the internal...

Страница 99: ...All stations on the network receive and read the request The destination IP address for the chosen station is included as part of the message so that only the station with this IP address responds to...

Страница 100: ...n the network can automatically obtain this configuration information A device on the network may act as a Dynamic Host Configuration Protocol DHCP server The DHCP server stores a list or pool of IP a...

Страница 101: ...ireless network ad hoc and infrastructure Ad hoc Mode Peer to Peer Workgroup In an ad hoc network computers are brought together as needed thus there is no structure or fixed points to the network eac...

Страница 102: ...must be configured with the same SSID Authentication and WEP Encryption The absence of a physical connection between nodes makes the wireless links vulnerable to eavesdropping and information theft To...

Страница 103: ...trum12 5Mhz above and below the center channel frequency As a result two separate wireless networks using neighboring channels for example channel 1 and channel 2 in the same general vicinity will int...

Страница 104: ...preferred channel separation between the channels in neighboring wireless networks is 25 MHz 5 channels This means that you can apply up to three different channels within your wireless network There...

Страница 105: ...erspective of the PC which is wired as Media Dependant Interface MDI In this wiring the PC transmits on pins 1 and 2 At the hub the perspective is reversed and the hub receives on pins 1 and 2 This wi...

Страница 106: ...e orange and blue pairs will be exchanged from one connector to the other Auto MDI MDI X switching Some Ethernet switch products such as the Model MR314 router with Auto UplinkTM technology are able t...

Страница 107: ...e form of a registered entity name plus one of a number of predefined top level suffixes such as com edu uk etc For example in the address mail NETGEAR com mail is a server name and NETGEAR com is the...

Страница 108: ...and shared network devices such as storage and printers Although many technologies exist to implement a LAN Ethernet is the most common for connecting personal computers MAC address Media Access Cont...

Страница 109: ...Internet RFC Request For Comment Refers to documents published by the Internet Engineering Task Force IETF proposing standard protocols and procedures for the Internet RFCs can be found at www ietf o...

Страница 110: ...ge WAN Windows Internet Naming Service WINS Windows Internet Naming Service is a server process for resolving Windows based computer names to IP addresses If a remote network contains a WINS server yo...

Страница 111: ...6 5 router initial 4 1 Connection ID Name 4 7 content filtering 1 3 4 9 conventions typography xv crossover cable 1 4 2 6 7 2 B 16 customer support iii D date and time 7 7 Daylight Savings Time 7 7 da...

Страница 112: ...translating xiv IP configuration by DHCP B 10 IP networking for Macintosh 3 5 for Windows 3 2 K keyword blocking 4 11 L LAN Setup Menu 5 3 LEDs description 2 3 troubleshooting 7 2 log sending 4 10 log...

Страница 113: ...6 7 restore configuration 6 5 restore factory settings 6 5 RFC 1466 xiv B 7 1597 xiv B 7 1631 xiv B 8 finding B 7 RoadRunner 3 8 4 7 rom 0 file 6 5 router concepts B 1 Routing Information Protocol 1...

Страница 114: ...W warranty 1 3 1 5 WEP B 12 WEP encryption 1 3 Wi Fi B 11 Windows configuring for IP routing 3 2 winipcfg utility 3 5 Wired Equivalent Privacy B 12 Wireless Ethernet B 11 Wireless Setup Menu 5 6 WLAN...

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