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+this page is under construction
+
+**DSL vs Dialup**
+
+## <a name="Digital_Subscriber_Line_DSL"> </a> Digital Subscriber Line - DSL
+
+* Faster
+* More Expensive
+* Always On
+* Can use phone line while online
+* Different Equipment
+
+**THEY BOTH USE PHOHNE LINE**
+
+* 2 types of dsl
+  * ADSL 1.5 TO 9MB DOWN 16-640 KB UP
+  * SDSL sYNCRONOUS OR SYMETRIC 3MB DOWN 3MB UP
+
+What equipment is needed
+
+* DSL / Cable Modem
+* Ethernet adapter
+* Category 5 cable (ethernet cable)
+* RT-45
+* USB universal Serial Buss
+  * (can be used but _do not_ reccoment)
+
+## <a name="IP_Addressing"> IP Addressing </a>
+
+* 0.0.0.0 =&gt; 255.255.255.255
+* 4,228,250,625
+
+### <a name="Private_IP_Address_Ranges"> Private IP Address Ranges </a>
+
+* X=0-25 192.168.x.x - used w/ Routers&amp; Configurable Modems
+  * This range is the most typical private range used.
+* 10.x.x.x - Used w/ routers or configurable Modems.
+* 172.16.x.x - Used w/ routers. (this is a typical range used by businesses)
+
+### <a name="Non_Routable_Range"> Non-Routable Range </a>
+
+* 169-254.x.x - Non Routable IP Range telling you something is broken Created by Microsoft for troubleshooting purposes
+* 127.x.x.x - Range reserved for local host (norton's, microsoft, etc.)
+
+## <a name="Acronyms"> Acronyms </a>
+
+* IANA - internet Assigned Numbers Authority
+  * Distribute IP Address to backbone Co. ie AT&amp;T, Bell Co.
+
+### <a name="Public_IP_Addressing"> Public IP Addressing </a>
+
+* How to become an ISP
+
+1) Contact SBC to obtain IP Addresses: 300 members 66.137.124.1 - 66.137.124.101 2) Distribut IP Addresses Gateway Address = IP Addresses of the DHCP Server (endpoint) DHCP - Dynamic host control protocol
+
+----
+
+10 contact SBC to obtain more ip addresses 68.124.138.1 - 68.124.138.151 2) Distribute IP addresses
+
+* Static - Specified IP address that never changes
+
+## <a name="Authentication_Processes"> Authentication Processes </a>
+
+**MAC Addressing** \*MAC address- Physical address of any device that can carry an internet connection
+
+* it authenticates through the modem or next piece of connecting equipment's MAC Address
+
+PPOE - Point to point protocol (over the enternet) -requires a customer to logon w/user/password before reciving an ip address the only os w/ppoe built in XP&amp;MACX they install pppoe software or get a router or configurable modem.
+
+Trouble shooting DSL / Cable
+
+## <a name="1st_Step_of_Trouble_shooting_POW"> </a> 1st Step of Trouble shooting - POWERCYCLING
+
+### <a name="take_down_order"> take down order </a>
+
+* unplug modem from power supply
+* unplug any connecting equipment from Power Supply (router, Switch, etc)
+* SHUTDOWN (not restart) the pc
+
+### <a name="bringing_up_order"> bringing up order </a>
+
+* plugin the modem into power supply
+* plug the connecting equipment into the power suply
+* restart the PC
+
+2nd Step of [[TroubleShooting]] -Light Status Modem
+
+\*Power
+
+* * on = good
+  * off = bad
+
+ 1. verifty it is plugged in 2. check for power at the source (switch?)
+
+* dsl/link/sync
+  * on = good
+  * off = bad
+
+1. check connection between wall and modem phone line dsl + co-AX cable) 2. verify it worked previously nothing changed, (moved, jacks, storm) 3. verify all connecting information (PPPOE, MAC address, static)
+
+* * Enet/USB/PC/Sync/Link
+  * on = good
+  * off = bad
+
+ 1.check connection between modem and pc ethernet usb 2. swithc cable ends crossover vs straight through 3. check the ethernet adapter
+
+* Act/Activity/Data/(10/100) - TX/RX
+  * on or flashing = good
+  * off = bad
+
+ 1 this light has no bearing in your troubleshooting
+
+* Test/Alarm/Standby
+  * off = good
+  * on = bad
+
+1. this light must be off in orter to troubleshoot.
+
+Where to find IP information - IP configuration LC start =&gt; LC run =&gt; tye commands or cmd =&gt; LC OK button =&gt; type "winipcfg" =&gt; press enter =&gt; chose NIC in dropdown
+
+1.) Adapter Address = MAC address 2.) IP address - NIC 3.) Gateway Address - DHCP Server
+
+* If there is **NO** NIC in the dropdown box
+  * verify cust has startup disk or cab files (win\*.cab)
+  * Rip and reinstall TCP/IP
+* If it says Media Disconnectd or IP = 0.0.0.0
+  * Not connected
+  * verify lights on modem
+  * verify wiring
+
+ \* if they are reciving an IP address of 169.254.x.x
+
+* they are set to DHCP, but not contacting DHCP Server
+
+ - Its broken and try to release /renew ip address
+
+## <a name="what_will_happen_next"> what will happen next </a>
+
+1. will recieve IP Address 2."Unable to contact DHCP Server" Error
+
+* try to release and renew again
+
+ 3. "DHCP Server unavailable revewing IP address" - Error
+
+* try to release and renew again
+
+ 4. "No adapter in a state permissable to perorm operation" Error
+
+* configured to static
+* check settings
+
+ 5. "unable to perform operation" or " operation was attempted on something that is not a socket" Error \* winsock Error
+
+* * email winsock fix
+  * Send to shop
+
+if you are unable to recieve an IP address verify wiring verify account verify settings
+
+-- [[Main/TravisBarker]] - 04 Oct 2005