| Networking Computers can be 
                difficult at times | 
               
              
                | The links on the lest might 
                provide some help | 
               
              
                 | 
               
              
                | 
                
                Wireless Networking Concepts | 
               
              
                | 
                
                Wireless Network Security | 
               
              
                | 
                
                Maintain Your Network | 
               
              
                 | 
               
              
                |     
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                Microsoft Article  | 
               
              
                | 
                      
                      How to install NetBEUI on Windows XP | 
               
              
                | The information in this article applies to:
                 | 
               
              
                
                
                  - Microsoft Windows XP Home Edition 
 
                  - Microsoft Windows XP Professional
 
                 
                 | 
               
              
                | 
                      SUMMARY  | 
               
              
                Microsoft has discontinued support for the NetBIOS 
                    Extended User Interface (NetBEUI) network protocol in 
                    Windows XP. However, it is understandable that migration to 
                    another network protocol, such as TCP/IP could involve 
                    significant time in planning and testing. Therefore, for 
                    those who are planning to migrate your system environment to 
                    Windows XP by obtaining the full, retail-released version of 
                    Windows XP, the NetBEUI protocol can be found on the Windows 
                    XP CD-ROM under the VALUEADD directory.  
                     
                    This article describes the process for manually installing 
                    the unsupported NetBEUI protocol on a computer running 
                    Windows XP. The NetBEUI files will need to be manually 
                    copied from the Windows XP CD-ROM before NetBEUI will show 
                    up in the list of installable network protocols. 
                BackThe files necessary for installing the NetBEUI protocol 
                    on Windows XP are Netnbf.inf and Nbf.sys. Complete the 
                    following steps to install NetBEUI:  
                    
                      - Insert your Windows XP CD-ROM into the CD-ROM drive 
                      and browse to the Valueadd\MSFT\Net\NetBEUI folder. 
 
                      - Copy Nbf.sys to the %SYSTEMROOT%\System32\Drivers 
                      directory. 
 
                      - Copy Netnbf.inf to the %SYSTEMROOT%\Inf hidden 
                      directory.
 
                       
                      NOTE: To make a hidden folder viewable, 
                      perform the following steps:
                      
                        - Click Start, click Run, 
                        type Explorer, and then press ENTER. 
 
                        - Click Tools, click Folder 
                        Options, and then click the View 
                        tab. 
 
                        - Under Advanced Settings, click
                        Show hidden files and folders 
                        under the Hidden files and 
                        folders Folder. 
 
                       
                       
                      - Click Start, click
                      Control Panel, and then 
                      double-click Network Connections.
                      
 
                      - Right-click the adapter you want to add NetBEUI to, 
                      and then click Properties. 
 
                      - On the General tab, click 
                      Install. 
 
                      - Click Protocol, and then click
                      Add. 
 
                      - Click to select NetBEUI 
                      Protocol from the list and then click OK.
                      
 
                      - Restart your computer if you receive a prompt to 
                      complete the installation. 
 
                     
                    The NetBEUI protocol should now be installed and working. 
                     
                    NOTE: %SYSTEMROOT% is a Windows environment 
                    variable that identifies the directory where Windows XP is 
                    installed (for example, C:\Windows). To view the value 
                    associated with %SYSTEMROOT%, as well as other environment 
                    variables, at a command prompt, type set, and 
                    then press ENTER. 
                     
                    NOTE: After following the steps above you 
                    should be able to use NetBEUI on Lan connections, however 
                    you will not be able to use NetBEUI on a Remote Access 
                    Service (RAS) connection. RAS connections cannot use NetBeui. 
                     
                    For additional information on NetBEUI in Windows XP, click 
                    the article number below to view the article in the 
                    Microsoft Knowledge Base:  
                       
                    Back 
                    
                   | 
               
              
                | NetBEUI is not available in XP by 
                default | 
               
              
                 | 
               
              
                        | 
                        Details of the Ping, IPCONFIC, 
                        WINIPCFG Commands | 
                       
              
                        | 
                        1. Ping | 
                       
              
                        | 
                        2. Ipconfig | 
                       
              
                        | 
                        3. Winipcfg | 
                       
              
                 | 
               
              
                
                        Ping
                        Verifies IP-level connectivity 
                        to another TCP/IP computer by sending Internet Control 
                        Message Protocol (ICMP) Echo Request messages. The 
                        receipt of corresponding Echo Reply messages are 
                        displayed, along with round-trip times. Ping is the 
                        primary TCP/IP command used to troubleshoot 
                        connectivity, reachability, and name resolution. Used 
                        without parameters, ping displays help. 
                        Syntax
                        ping
                        [-t]
                        [-a]
                        [-n Count]
                        [-l Size]
                        [-f]
                        [-i TTL]
                        [-v TOS]
                        [-r Count]
                        [-s Count]
                        [{-j HostList | -k HostList}]
                        [-w Timeout] [TargetName] 
                        
                        Parameters
                        
                          - -t 
 
                          - Specifies that ping continue 
                          sending Echo Request messages to the destination until 
                          interrupted. To interrupt and display statistics, 
                          press CTRL-BREAK. To interrupt and quit ping, press 
                          CTRL-C. 
 
                          - -a 
 
                          - Specifies that reverse name 
                          resolution is performed on the destination IP address. 
                          If this is successful, ping displays the corresponding 
                          host name. 
 
                          - -n Count
                          
 
                          - Specifies the number of Echo 
                          Request messages sent. The default is 4. 
 
                          - -l Size 
                          
 
                          - Specifies the length, in 
                          bytes, of the Data field in the Echo Request messages 
                          sent. The default is 32. The maximum size is 
                          65,527. 
 
                          - -f 
 
                          - Specifies that Echo Request 
                          messages are sent with the Don't Fragment flag in the 
                          IP header set to 1. The Echo Request message cannot be 
                          fragmented by routers in the path to the destination. 
                          This parameter is useful for troubleshooting path 
                          Maximum Transmission Unit (PMTU) problems. 
                          
 
                          - -i TTL 
                          
 
                          - Specifies the value of the 
                          TTL field in the IP header for Echo Request messages 
                          sent. The default is the default TTL value for the 
                          host. For
                          Windows XP hosts, this is typically 
                          128. The maximum TTL is 255. 
 
                          - -v TOS 
                          
 
                          - Specifies the value of the 
                          Type of Service (TOS) field in the IP header for Echo 
                          Request messages sent. The default is 0. TOS is 
                          specified as a decimal value from 0 to 255. 
                          
 
                          - -r Count
                          
 
                          - Specifies that the Record 
                          Route option in the IP header is used to record the 
                          path taken by the Echo Request message and 
                          corresponding Echo Reply message. Each hop in the path 
                          uses an entry in the Record Route option. If possible, 
                          specify a Count that is equal to or greater 
                          than the number of hops between the source and 
                          destination. The Count must be a minimum of 1 
                          and a maximum of 9. 
 
                          - -s Count
                          
 
                          - Specifies that the Internet 
                          Timestamp option in the IP header is used to record 
                          the time of arrival for the Echo Request message and 
                          corresponding Echo Reply message for each hop. The 
                          Count must be a minimum of 1 and a maximum of 4.
                          
 
                          - -j HostList
                          
 
                          - Specifies that the Echo 
                          Request messages use the Loose Source Route option in 
                          the IP header with the set of intermediate 
                          destinations specified in HostList. With loose 
                          source routing, successive intermediate destinations 
                          can be separated by one or multiple routers. The 
                          maximum number of addresses or names in the host list 
                          is 9. The host list is a series of IP addresses (in 
                          dotted decimal notation) separated by spaces. 
                          
 
                          - -k HostList
                          
 
                          - Specifies that the Echo 
                          Request messages use the Strict Source Route option in 
                          the IP header with the set of intermediate 
                          destinations specified in HostList. With strict 
                          source routing, the next intermediate destination must 
                          be directly reachable (it must be a neighbor on an 
                          interface of the router). The maximum number of 
                          addresses or names in the host list is 9. The host 
                          list is a series of IP addresses (in dotted decimal 
                          notation) separated by spaces. 
 
                          - -w Timeout
                          
 
                          - Specifies the amount of 
                          time, in milliseconds, to wait for the Echo Reply 
                          message that corresponds to a given Echo Request 
                          message to be received. If the Echo Reply message is 
                          not received within the time-out, the "Request timed 
                          out" error message is displayed. The default time-out 
                          is 4000 (4 seconds). 
 
                          - TargetName 
                          
 
                          - Specifies the destination, 
                          which is identified either by IP address or host name.
                          
 
                          - /? 
 
                          - Displays help at the command 
                          prompt. 
 
                         
                         Back 
                        Remarks
                        
                          - You can use ping to 
                          test both the computer name and the IP address of the 
                          computer. If pinging the IP address is successful, but 
                          pinging the computer name is not, you might have a 
                          name resolution problem. In this case, ensure that the 
                          computer name you are specifying can be resolved 
                          through the local Hosts file, by using Domain Name 
                          System (DNS) queries, or through NetBIOS name 
                          resolution techniques. 
 
                          - This command is available 
                          only if the Internet Protocol (TCP/IP) protocol 
                          is installed as a component in the properties of a 
                          network adapter in Network Connections 
 
                         
                        Examples
                        The following example shows 
                        ping command output: 
                        C:\>ping 
                        example.microsoft.com 
                        Pinging 
                        example.microsoft.com [192.168.239.132] with 32 bytes of 
                        data: 
                        Reply from 
                        192.168.239.132: bytes=32 time=101ms TTL=124 
                        Reply from 
                        192.168.239.132: bytes=32 time=100ms TTL=124 
                        Reply from 
                        192.168.239.132: bytes=32 time=120ms TTL=124 
                        Reply from 
                        192.168.239.132: bytes=32 time=120ms TTL=124 
                        To ping the destination 
                        10.0.99.221 and resolve 10.0.99.221 to its host name, 
                        type: 
                        ping -a 10.0.99.221 
                        To ping the destination 
                        10.0.99.221 with 10 Echo Request messages, each of which 
                        has a Data field of 1000 bytes, type: 
                        ping -n 10 -l 1000 
                        10.0.99.221 
                        To ping the destination 
                        10.0.99.221 and record the route for 4 hops, type: 
                        ping -r 4 10.0.99.221 
                        To ping the destination 
                        10.0.99.221 and specify the loose source route of 
                        10.12.0.1-10.29.3.1-10.1.44.1, type: 
                        ping -j 10.12.0.1 10.29.3.1 
                        10.1.44.1 10.0.99.221 
                        
                         | 
               
              
                | 
                Ipconfig | 
               
              
                | Displays all 
                current TCP/IP network configuration values and refreshes 
                Dynamic Host Configuration Protocol (DHCP) and Domain Name 
                System (DNS) settings. Used without parameters, ipconfig 
                displays the IP address, subnet mask, and default gateway for 
                all adapters. | 
               
              
                | 
                Syntax | 
               
              
                
                ipconfig [/all]
                [/renew
                [Adapter]]
                [/release [Adapter]]
                [/flushdns]
                [/displaydns]
                [/registerdns]
                [/showclassid Adapter]
                [/setclassid Adapter [ClassID]]
                Parameters
                
                  - /all 
 
                  - Displays the full TCP/IP 
                  configuration for all adapters. Without this parameter, 
                  ipconfig displays only the IP address, subnet mask, and 
                  default gateway values for each adapter. Adapters can 
                  represent physical interfaces, such as installed network 
                  adapters, or logical interfaces, such as dial-up connections.
                  
 
                  - /renew [Adapter]
                  
 
                  - Renews DHCP configuration for all 
                  adapters (if an adapter is not specified) or for a specific 
                  adapter if the Adapter parameter is included. This 
                  parameter is available only on computers with adapters that 
                  are configured to obtain an IP address automatically. To 
                  specify an adapter name, type the adapter name that appears 
                  when you use ipconfig without parameters. 
 
                  - /release [Adapter]
                  
 
                  - Sends a DHCPRELEASE message to the 
                  DHCP server to release the current DHCP configuration and 
                  discard the IP address configuration for either all adapters 
                  (if an adapter is not specified) or for a specific adapter if 
                  the Adapter parameter is included. This parameter 
                  disables TCP/IP for adapters configured to obtain an IP 
                  address automatically. To specify an adapter name, type the 
                  adapter name that appears when you use ipconfig without 
                  parameters. 
 
                  - /flushdns 
 
                  - Flushes and resets the contents of 
                  the DNS client resolver cache. During DNS troubleshooting, you 
                  can use this procedure to discard negative cache entries from 
                  the cache, as well as any other entries that have been added 
                  dynamically. 
 
                  - /displaydns 
 
                  - Displays the contents of the DNS 
                  client resolver cache, which includes both entries preloaded 
                  from the local Hosts file and any recently obtained resource 
                  records for name queries resolved by the computer. The DNS 
                  Client service uses this information to resolve frequently 
                  queried names quickly, before querying its configured DNS 
                  servers. 
 
                  - /registerdns 
 
                  - Initiates manual dynamic 
                  registration for the DNS names and IP addresses that are 
                  configured at a computer. You can use this parameter to 
                  troubleshoot a failed DNS name registration or resolve a 
                  dynamic update problem between a client and the DNS server 
                  without rebooting the client computer. The DNS settings in the 
                  advanced properties of the TCP/IP protocol determine which 
                  names are registered in DNS. 
 
                  - /showclassid Adapter
                  
 
                  - Displays the DHCP class ID for a 
                  specified adapter. To see the DHCP class ID for all adapters, 
                  use the asterisk (*) wildcard character in place of 
                  Adapter. This parameter is available only on computers 
                  with adapters that are configured to obtain an IP address 
                  automatically. 
 
                  - /setclassid Adapter [ClassID]
                  
 
                  - Configures the DHCP class ID for a 
                  specified adapter. To set the DHCP class ID for all adapters, 
                  use the asterisk (*) wildcard character in place of 
                  Adapter. This parameter is available only on computers 
                  with adapters that are configured to obtain an IP address 
                  automatically. If a DHCP class ID is not specified, the 
                  current class ID is removed. 
 
                  - /? 
 
                  - Displays help at the command prompt.
                  
 
                 
                 Back 
                Remarks
                
                  - The ipconfig command is the 
                  command-line equivalent to the winipcfg command, which 
                  is available in
                  Windows Millennium Edition,
                  Windows 98, and
                  Windows 95. Although
                  Windows XP does not include a graphical 
                  equivalent to the winipcfg command, you can use Network 
                  Connections to view and renew an IP address. To do this, open 
                  Network Connections, right-click a network connection, click
                  Status, and then click the Support tab. 
                  
 
                  - This command is most useful on 
                  computers that are configured to obtain an IP address 
                  automatically. This enables users to determine which TCP/IP 
                  configuration values have been configured by DHCP, Automatic 
                  Private IP Addressing (APIPA), or an alternate configuration.
                  
 
                  - If the Adapter name contains 
                  any spaces, use quotation marks around the adapter name (that 
                  is, "Adapter Name"). 
 
                  - For adapter names, ipconfig 
                  supports the use of the asterisk (*) wildcard character to 
                  specify either adapters with names that begin with a specified 
                  string or adapters with names that contain a specified string. 
                  For example, Local* matches all adapters that start 
                  with the string Local and *Con* matches all adapters 
                  that contain the string Con. 
 
                  - This command is available only if 
                  the Internet Protocol (TCP/IP) protocol is installed as 
                  a component in the properties of a network adapter in Network 
                  Connections 
 
                 
                Examples
                To display the basic TCP/IP 
                configuration for all adapters, type: 
                ipconfig 
                To display the full TCP/IP 
                configuration for all adapters, type: 
                ipconfig /all 
                To renew a DHCP-assigned IP address 
                configuration for only the Local Area Connection adapter, 
                type: 
                ipconfig /renew "Local Area 
                Connection" 
                To flush the DNS resolver cache when 
                troubleshooting DNS name resolution problems, type: 
                ipconfig /flushdns 
                To display the DHCP class ID for all 
                adapters with names that start with Local, type: 
                ipconfig /showclassid Local* 
                To set the DHCP class ID for the 
                Local Area Connection adapter to TEST, type: 
                ipconfig /setclassid "Local Area 
                Connection" TEST 
                
                
                Back
                   | 
               
              
                
                
                How to Use Winipcfg to View TCP/IP Settings
                
                  
                  
                    
                      
                      
                        The information in this article 
                        applies to: 
                        
                          - Microsoft Windows 98 
                          Second Edition 
 
                          - Microsoft Windows 98
                          
 
                          - Microsoft Windows 95
                          
 
                         
                       
                      
                          
                      
                        SUMMARY
                        This article describes how 
                        to use the Winipcfg tool to review your current TCP/IP 
                        network protocol settings. This can be useful when you 
                        are troubleshooting problems, such as problems 
                        connecting to your Internet provider. 
                        
                      
                       | 
                     
                   
                  
                 
                 Back  | 
               
              
                 | 
               
              
                | 
                      How to make a cat5 
                      network  | 
               
              
                Making Your Own Network Cables
                 
                 
                No matter whether you're putting together a small home  
                network, or maintaining a major network in your office, you'll
                 
                need network cables. The most commonly used type is Category 5
                 
                (short: Cat5), which supports speeds up to 100 Mb/s (Megabits
                 
                per second). You can either go buy Cat 5 cable in the  
                store, or you can make it yourself. 
 | 
               
              
                If you decide to buy it in the store, you'll pay a premium
                 
                price for the convenience, but if you only need 2 or three  
                cables and don't foresee the need for more in the near future,
                 
                or need a lot of cables right away and don't have the time to
                 
                make them yourself, then this is probably the way to go.  
                 
                If you decide to make your own Cat 5 cable, you'll save a lot
                 
                of money in the long run, as buying rolls of cable, a baggie  
                of RJ-45 connectors, and the necessary tools will be a lot  
                cheaper and pay for itself in a short period of time if you  
                have an ongoing need.  
                 
                What you need  
                 
                Cat 5 cable - you can buy a 1000 feet roll of Cat 5 cable at  
                computer stores and industry supply houses for somewhere  
                between 6 and 10 cents a foot, depending on the quality. Don't
                 
                be cheap, get the decent quality stuff. You don't want to end
                 
                up with network problems due to bad cables. Check to make  
                sure that the color-coding on the wires is easily   
                recognizable.  
                 
                Also pay attention to the difference between solid and  
                stranded wire cable. Solid wire cable means that each one of  
                the 8 wires inside the cable consists of one solid copper  
                alloy wire. Solid wire cable is usually used for wiring  
                inside walls as it does not flex very easily and is intended  
                for wires that will never move. It has better conductivity  
                than stranded cable, which means you can run ethernet over  
                farther distances with solid core.  
                 
                Stranded wire cable means that each one of the 8 wires inside
                 
                the cable consists of a few dozen very fine hair-like strands
                 
                that bend and flex very easily. Stranded wire cable is usually
                 
                used for making patch cables because of its flexibility (the  
                wires won't break as easily from being moved around and  
                twisted frequently).  
  Back 
                 
                RJ-45 connectors - They usually come in bags of 50, 100 etc.  
                and cost less than a quarter each. Pay attention to the type  
                of RJ-45 connector you get and make sure it is intended for  
                the type of Cat5 wire you're using. There are two different  
                kind of RJ-45 connectors, depending on whether you use them  
                with solid or stranded wire cable as mentioned above. Using  
                the wrong kind with the wrong cable will most likely result in
                 
                a bad connection.  
                 
                Crimping tool - While this is the expensive part of making  
                your own cables, it's only a one-time startup cost. They run  
                anywhere from 10 to 50 bucks depending on the quality and  
                features. Keep in mind that the crimpers will pay for  
                themselves after you make a few cables. A good crimping tool  
                has a pair of wire cutters built in, as well as a blade to  
                strip insulation. It also might support crimping of other  
                connectors such as RJ-11.  
                 
                Diagonal Cutter Pliers - You'll need a pair of these to cut  
                the wires in case the crimper doesn't come with a built-in  
                wire cutter.  
                 
                What type of cable do you want to make? 
  | 
               
              
                There are two types of network cables commonly used in PC
                 
                networks - Straight-through and cross-over.  
                 
                Cross-over: A cross-over cable is used to connect two  
                computers via their NICs, without using a hub or switch.  
                (Note: You can only connect two computers at one time,  
                connecting three or more will require a hub or switch  
                of some sort).  
                 
                Straight-through: A straight-through network cable is just  
                what the name implies, a cable that passes data straight  
                through from one end to another. Straight-through cables are  
                used for a variety of connections. (e.g. connecting a computer
                 
                to a hub or switch, connecting a computer to a  
                cable/ISDN/DSL modem, and linking switches and hubs together.)
                 
                 
                Let's start with a straight-through cable and then we'll get  
                fancy with a cross-over cable.  
                 
                Cutting, Stripping, And Sorting The Wires  
                 
                Cut a piece of Cat 5 as long as you need. When you cut,  
                remember the old saying: Measure twice, cut once. Make sure  
                the cut on each end is clean and straight.  
                 
                Strip about an inch of the insulation off the cable. Cut it  
                back nice and square. Some crimping tools such as the one used
                 
                in this article come with a built-in wire stripper. You put  
                the cable in to a stop on one side of the cutter. It will cut
                 
                the jacket the right length to make a perfect crimp. It is  
                extremely important that you only cut the plastic   
                insulation/jacket and not the wire. Damaging one of the 8  
                wires, even if you just nick it or partially cut it, will ruin
                 
                your cable.  
                 
                Untwist the wires. You'll notice that there are 4 pairs of  
                multi-colored wires inside. Sort the pairs by color. You  
                should end up with wires color coded as follows: blue/blue- 
                white, orange/orange-white, green/green-white, brown/brown- 
                white.  
                 
                Note: Some Cat 5 cable skimps on the color-coding and you will
                 
                have to keep the track of which wire was wrapped around which.
                 
                If at all possible, check the cable before you buy and make  
                sure the color-coding is easy to recognize. If not, you'll be
                 
                cursing up a storm later and wish you would have spent the  
                extra 5 bucks on the better cable.  
                 
                Now align the wires in the following order from left to right.
                 
                The order is important since there is a wiring standard  
                defined by the Telecommunications Industry Association (TIA)  
                http://www.tiaonline.org. It's called the EIA/TIA-568  
                Commercial Building Telecommunications Wiring Standard,  
                and you can find more information on it here:  
                http://www.digital-delivery.com/Standards.htm#s5 
                 
                White/Orange 
                Orange 
                White/Green 
                Blue 
                White/Blue 
                Green 
                White/Brown 
                Brown | 
               
              
                
                      Get the wires lined up and nice and straight. Then clip off 
the top millimeter so that they are all the same length and 
stick out about half an inch from the insulated part. 
Attaching the RJ-45 Connector 
 
                      Back 
                      
The best way to insert the cable into the RJ-45 connector is 
this: 
Hold an RJ-45 connector so that the plastic release clip is 
facing away from you, and the opening for the wires is 
pointing down.  
                       | 
               
              
                While squeezing the cable so that the jacket does not move on
                 
                the wires, insert the sorted and aligned wires carefully into
                 
                the RJ-45 connector partway. You'll feel some resistance as  
                the wires enter the grooves in the connector.  
                 
                Looking at the side of the connector that's facing you (should
                 
                be the one without the clip), verify that the wires are still
                 
                in the correct order. Sometimes the act of pushing the wires  
                into the connector can cause the order of the wires to be  
                switched at the last moment. Use a magnifying glass if  
                needed.  
 Push the wires the remaining way into the connector. Make sure
                 
                that the wires have gone all the way into the connector and  
                are touching the end of the RJ-45 connector. You should see a
                 
                line of 8 bare wire ends. If one is missing and that  
                individual wire hasn't gone far enough into the connector,  
                pull the wires out, line up the ends and put them in again.  
                You can't see this problem from the side - you can only see it
                 
                from the end.  
                 
                Now push the jacket as far as it will go into the connector.  
                Getting all of the wires lined up and inserted correctly can  
                be a little tricky, so take your time. This gets easier as you
                 
                get the feel of it  | 
               
              
                The end of the insulation should sit snug inside the RJ-45,
                 
                and the wires should go all the way to the end. 
                 
                Make sure the wires weren't left too long, which leaves wires
                 
                unprotected between the RJ-45 and the insulation. Also make  
                sure that the wires weren't cut too short and now don't reach
                 
                far enough to make contact.  
                 
                Double-check one last time that the wires are aligned  
                correctly and all the way in. Then insert the RJ-45 connector
                 
                into the appropriate opening of the crimping tool. Give the  
                handle a nice, tight squeeze without crushing the RJ- 
                45. If you have purchased a pair of ratchet type crimpers you
                 
                will know that you are done when they release. If you bought a
                 
                cheapo pair, check to make sure that all of the little metal  
                contacts are even and at the same height below the plastic of
                 
                the plug.  
                 
                Now repeat this entire procedure to put an RJ-45 plug on the  
                other end of the cable. Use the exact same wiring scheme as on
                 
                the first end, which will make it a straight-through cable.  
                 
                Note: If you decided to spend a couple extra bucks on the  
                strain relief sleeves, be sure to put them on and facing the  
                correct direction before you crimp the second end.  
 | 
               
              
                A cross-over cable
                 
                 
                The cross-over cable can be made using the same steps as the  
                straight-through cable. The only difference is the order in  
                which the wires are put into the second connector. On the  
                straight-through cable you use the exact same order  
                of wires. On a cross-over cable you use a different order on  
                each end.  
                 
                The first end uses the same color scheme as a straight-through
                 
                cable:  
  Back 
                 
                White/Orange 
                Orange 
                White/Green 
                Blue 
                White/Blue 
                Green 
                White/Brown 
                Brown
  | 
               
              
                The second end uses the following color scheme:
                 
                 
                White/Green 
                Green 
                White/Orange 
                Blue 
                White/Blue 
                Orange 
                White/Brown 
                Brown 
                 
                If you take a close look and compare the two ends, you'll  
                notice how the green and the orange pair trade places, which  
                makes it a cross-over cable.  
                 
                Note: When you make a cross-over cable, mark it to distinguish
                 
                it from your straight-through cables. You can put colored tape
                 
                on it, use a marker, use a different color cable, whatever  
                works for you. If you don't, eventually you'll get it mixed in
                 
                with your other cables and lose your mind trying to figure out
                 
                why your connection to the network is hosed.  
                 
                Test It  
                 
                Once your cable is finished, you should test it to make sure  
                it works. For $20-30 you can purchase a cable tester. Insert  
                the two ends of the cable into the jacks on the tester and  
                watch the lights. If they all light up, you have a good  
                connection for each wire and the cable checks out. | 
               
              
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