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Zhone 6511-A1, User Manual

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65xx-A1 Family Router Users Guide

 9 

Advanced .....................................................................................................................................................116

 

Station Info ...................................................................................................................................................119

 

Diagnostics .......................................................................................................................................................119

 

Fault Management .......................................................................................................................................121

 

Management ....................................................................................................................................................121

 

Settings ........................................................................................................................................................122

 

Backup Settings.......................................................................................................................................122

 

Update Settings .......................................................................................................................................123

 

Restore Default........................................................................................................................................123

 

System Log ......................................................................................................................................................124

 

Configure System Log .................................................................................................................................125

 

SNMP Agent .....................................................................................................................................................126

 

TR-069 Client ...................................................................................................................................................127

 

Internet Time ....................................................................................................................................................128

 

Access Control .................................................................................................................................................129

 

Passwords....................................................................................................................................................130

 

Services .......................................................................................................................................................130

 

IP Addresses ....................................................................................................................................................131

 

Update Software...............................................................................................................................................132

 

Reboot ..............................................................................................................................................................133

 

Tools .................................................................................................................................................................133

 

Chapter 6

 

Troubleshooting 136

 

The Router Is Not Functional ...........................................................................................................................136

 

You Cannot Connect to the Router ..................................................................................................................136

 

The DSL LED Continues to Blink .....................................................................................................................136

 

The DSL LED is Always Off..............................................................................................................................137

 

The Internet LED is Always Off ........................................................................................................................137

 

Diagnosing Problems using IP Utilities ............................................................................................................137

 

Ping ..............................................................................................................................................................137

 

Tracert ..........................................................................................................................................................138

 

Nslookup ......................................................................................................................................................138

 

Appendix A – Glossary 

139

 

 

Summary of Contents for 6511-A1

Page 1: ...6519 X1 4 Port 6518 A1 4 Port 6512 A1 2 Port 6511 A1 1 Port ADSL2 Router Users Guide Document Part Number 830 03750 01 June 2011...

Page 2: ...ZMS zNID and the Zhone logo are trademarks of Zhone Technologies Inc Zhone Technologies makes no representation or warranties with respect to the contents hereof and specifically disclaim any implied...

Page 3: ...and inspection authorities to ensure compliance 7 A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings If products installed in separate buildings are i...

Page 4: ...mined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the sep...

Page 5: ...ject to state tariffs Contact the state public utility commission public service commission or corporation commission for information If the site has specially wired alarm equipment connected to the t...

Page 6: ...num rique de la classe B respecte toutes les exigences du r glement sur le mat rial brouilleur du Canada NOTICE This device complies with RSS 210 IC ID 8609A 1518A1NA Operation is subject to the follo...

Page 7: ...nt Panel 14 6512 A1 Front Panel 14 6511 A1 Front Panel 15 LED descriptions 15 Back Panel 16 Chapter 2 Hardware Installation and PC Setup 17 Overview 17 Connecting Your Hardware 17 Mounting the Router...

Page 8: ...oing 55 IP Filtering Incoming 56 MAC Filtering 59 Parental Control 61 Time Restriction 61 URL Filter 63 Quality of Service 64 Queue Config 64 QoS Classification 66 Routing 68 Default Gateway 68 Static...

Page 9: ...26 TR 069 Client 127 Internet Time 128 Access Control 129 Passwords 130 Services 130 IP Addresses 131 Update Software 132 Reboot 133 Tools 133 Chapter 6 Troubleshooting 136 The Router Is Not Functiona...

Page 10: ...to information that is instructional warns of potential damage to system equipment or data and warns of potential injury or death Carefully read and follow the instructions included in this document C...

Page 11: ...able text typed by users Italic Used for book titles chapter titles file path names notes in body text requiring special attention section titles emphasized terms and variables PLAIN UPPER CASE Used f...

Page 12: ...Management Protocol TFTP Trivial File Transfer Protocol VoIP Voice over IP VPN Virtual Private Network WEP Wired Equivalent Privacy Wi Fi Wireless Fidelity IEEE 802 11 wireless networking WMM Wi Fi Mu...

Page 13: ...ible through a standard web browser System Requirements In order to use your 65xx A1 family ADSL router for Internet access you must have the following ADSL service subscription from your ISP A PC wit...

Page 14: ...this equipment only from an electrical outlet with the correct power source as indicated on the adapter Do not open the cover of the device Opening the cover will void any warranties on the equipment...

Page 15: ...l be red Internet Blinking The router is connected to the LAN Solid on green Ethernet interface is successfully connected to a device through the LAN port Flashing The router is sending or receiving d...

Page 16: ...ects the unit to an Ethernet device such as a PC or a switch Reset Default Restart press the button for less than 4 seconds ISP settings press the button for 4 seconds or longer Factor y Default setti...

Page 17: ...that you have already subscribed to DSL service with your telephone company or other Internet service provider ISP Connecting Your Hardware Shut down your PC before connecting the router To connect yo...

Page 18: ...switches and any computers connected to them Mounting the Router The router can be mounted on the wall with two screws Mounting can be done on wall material including concrete wood or drywall Select...

Page 19: ...511 A1 1 30 H x 7 25 W x 5 D 34 93 mm H x 184 15mm W x 127mm D 2 holes 5 375 136 63mm apart 6512 A1 1 25 H x 8 25 W x 4 75 D 31 75 mm H x 209 55 mm W x 102 65 mm D 2 holes 6 125 155 58mm apart 6518 A1...

Page 20: ...us window open click Properties 3 Listed in the window are the installed network components If the list includes Internet Protocol TCP IP then the protocol has already been enabled and you can skip to...

Page 21: ...twice to save your changes and then close the Control Panel Windows 7 1 In the Windows taskbar click the Start button and point to Control Panel and then click Network and Internet 2 In the Network a...

Page 22: ...ust first be removed To remove services from the top navigation bar select Quick Setup If you connected a PC rather than a hub or a switch directly to the router your LAN consists of that PC You may a...

Page 23: ...User The user user name and password combination can display device status but cannot change or save configurations The admin admin combination can perform all functions Passwords can be changed at a...

Page 24: ...uide 24 WAN Display the WAN status report from the router by clicking WAN under Device Info The graphic below shows the screen when a WAN connection is set up LAN Statistics Display LAN statistics by...

Page 25: ...65xx A1 Family Router Users Guide 25 WAN Statistics Display WAN statistics by clicking WAN Service under Statistics xTM Statistics Display ATM statistics by clicking xTM under Statistics...

Page 26: ...oting and diagnostics of connection problems ADSL BER Test The ADSL Bit Error Rate BER test determines the quality of the ADSL connection The test is performed by transferring idle cells containing a...

Page 27: ...n will appear allowing you to set the tested time and to begin the test To run a BER test 1 On the bottom of the xDSL statistics page click xDSL BER Test 2 In the Tested Time sec drop down select the...

Page 28: ...ysical address labelled HW Address the MAC address and identifies computers on the LAN DHCP Display the DHCP lease information by clicking DHCP under Device Info DHCP Dynamic Host Control Protocol all...

Page 29: ...65xx A1 Family Router Users Guide 29...

Page 30: ......

Page 31: ...h DHCP Server available To use the Automatic Configuration feature you check the Automatic Configuration option Note In order for the automatic configuration to work all previously defined WAN configu...

Page 32: ...D 6518 6519 only 4 Click Apply Save You will see a progress screen When the connection is complete you will see the Service Setup summary screen Quick Setup with Automatic Configuration Disabled 1 Fro...

Page 33: ...ce Configuration select the protocol for the WAN connection from the Protocol dropdown as directed by your ISP Depending on the protocol selected further parameters are presented For example if you se...

Page 34: ...SL Router can be configured with a static IP address and Subnet Mask for the LAN interface to correspond to your LAN s IP Subnet To use a static IP address check the Use Static IP Address option then...

Page 35: ...65xx A1 Family Router Users Guide 35...

Page 36: ...65xx A1 Family Router Users Guide 36 IPoA For IPoA your ISP will supply information for IP Address Subnet Mask and DNS server...

Page 37: ...65xx A1 Family Router Users Guide 37 DHCP With the DHCP option you do not set any other options Bridge With the Bridge option you do not set any other options...

Page 38: ...Guide 38 5 With Quick Setup the router s wireless option is automatically set up and you will need to enter the SSID 6518 6519 only 6 Click Apply Save to save your settings 7 Upon completion the summ...

Page 39: ...M Layer 3 Internet Protocol addressing in AAL5 packets To configure a connection you first configure the connection type EoA PPPoA or IPoA 1 Add a Layer 2 interface and select the connection type EoA...

Page 40: ...nly used for uncompressed audio and video information such as videoconferencing interactive audio telephony audio video distribution e g television distance learning and pay per view and audio video r...

Page 41: ...ou wish to customize the description shown for the service then click Next 6 In the WAN Setup Summary page review the settings for this interface Click Apply Save to accept the settings If you made a...

Page 42: ...send data to network when infected by virus Connection will not be disconnected under these data streams Inactivity Timeout When Dial on demand is selected this input box indicates that after how long...

Page 43: ...bottom the lowest Change the priority order by removing all items from the Selected Default Gateway Interfaces window by selecting them then clicking the right arrow button Select the items in the pri...

Page 44: ...or IGMP snooping so the router can keep limit multicast traffic 8 On the Routing Default Gateway page set the priority of WAN interfaces used as default gateways then click Next If multiple WAN interf...

Page 45: ...Enable NAT must be checked for Fullcone NAT to be used Dial on demand When this mode is selected the connection that has no traffic within assigned disconnect timeout e g 1 minute will be automaticall...

Page 46: ...r position in the Selected DNS Server Interfaces window Top is the highest priority bottom the lowest Change the priority order by removing all items from the Selected DNS Server Interfaces window by...

Page 47: ...rfaces window Top is the highest priority bottom the lowest Change the priority order by removing all items from the Selected Default Gateway Interfaces window by selecting them then clicking the righ...

Page 48: ...your ISP If all settings are correct click the Apply Save button to save these settings if not click Back to make any modifications do not click the browser Back button If you want to change any item...

Page 49: ...e speed of your Ethernet connection Modes include auto 100 full 100 half 10 full and 10 half If you select auto then the router will use the common mode that all the connected interfaces can operate a...

Page 50: ...ange of IP addresses that the DHCP server can assign to your computers Disable the DHCP server if you would like to manually assign IP addresses Static IP Lease list you can configure the DHCP server...

Page 51: ...sk Click the Apply Save button to save the LAN configuration data NAT You can configure Virtual Servers Port Triggering and DMZ Host when NAT Network Address Translation is enabled Virtual Servers A v...

Page 52: ...text box You can select a Service or make a new one 3 Enter the IP address of the LAN side PC in the Server IP Address text box 4 Click Save Apply to submit the configuration The NAT Virtual Servers S...

Page 53: ...65xx A1 Family Router Users Guide 53 Port Triggering Click Add to add Port Triggering to your Internet application...

Page 54: ...settings for After you make your selection click Save Apply to save your settings The NAT Port Triggering Setup screen appears after you save your selections You will be able to add or remove selecti...

Page 55: ...essfully pass through firewalls and NAT select the protocol enabled checkbox Security For security reasons firewall options can be configured only from the LAN side of the router IP Filtering Outgoing...

Page 56: ...P filter the Outgoing IP Filtering Setup screen appears The Outgoing IP Filtering Setup screen lists the outgoing IP filters including filters which were added from the previous screen You can view ad...

Page 57: ...ce address from the WAN side and information about the destination address to the LAN side Select the protocol and WAN interface to apply the filter to then click Save Apply to add the setting You can...

Page 58: ...Filtering Setup screen appears The Incoming IP Filtering Setup screen lists the incoming IP filters including filters which were added from the previous screen You can view add or delete incoming fil...

Page 59: ...o the MAC filtering table then click Add to access the Add MAC Filter screen then configure the MAC filter Protocol type Type of protocol to filter PPPoE IPv4 IPv6 AppleTalk IPX NetBEUI IGMP Destinati...

Page 60: ...aces Click Save Apply to save the MAC filter When you Save Apply the IP filter the MAC Filtering Setup screen appears The MAC Filtering Setup screen lists the MAC filters including filters which were...

Page 61: ...Guide 61 Parental Control Use the Parental Control feature to restrict the days and times a particular device is allowed to access the Internet Time Restriction To setup parental controls 1 Click Add...

Page 62: ...2 Enter a User Name to identify the target of the restrictions This is equivalent to the host name of the IP clients refer to the DHCP status screen check to see the host names 3 Enter the MAC addres...

Page 63: ...es can be blocked by creating a URL filter Two types of lists can be created either an exclude or include list 1 Select the Exclude button or Include button to specify the web sites you want to block...

Page 64: ...ment Configuration page you can enable a queue for a network interface Each interface associated with QoS is allocated three queues Lower Queue Precedence values denote a higher priority for the queue...

Page 65: ...QoS 3 From the Queue Config page click Add 4 In the QoS Queue Configuration page enter the name of the queue and enable the queue by selecting Enable from the Queue Configuration Status drop down 5 Se...

Page 66: ...ide 66 7 Click Save Apply QoS Classification You can configure the Quality of Service to apply different priorities to traffic on the router The Add Network Traffic Class Rule screen allows you to add...

Page 67: ...s for the traffic rule will change Ether Type Type of Ethernet packet used on the interface Depending on the Ether Type selected options for the traffic rule will change Source Destination MAC Address...

Page 68: ...ble in Static Route create routing policy rules and activate Routing Information Protocol RIP on the device Default Gateway You can enable an automatic assigned default gateway on the Routing Default...

Page 69: ...change the automatic assigned default gateway address you must reboot the router to be assigned a new default gateway IP address Static Route To add a routing table use the Static Route page A maximum...

Page 70: ...llows the administrator to have more control over how packets should flow through the modem and into their networks The feature allows administrator to route IP packets according to their Source Inter...

Page 71: ...Enter a unique name for the rule in the Policy Name text box 3 Select the interface to associate with the rule from the Use Interface drop down 4 Select the appropriate protocol and define other param...

Page 72: ...le WAN interfaces are configured you can define the priority by their position in the Selected DNS Server Interfaces window Top is the highest priority bottom the lowest Change the priority order by r...

Page 73: ...uter Users Guide 73 Dynamic DNS This screen allows you to enable dynamic DNS service To configure the DDNS click Add then select the DDNS provider from the drop down list and enter the information pro...

Page 74: ...that should be specified by your ISP Consult with your ISP to select the correct settings for each Click on Save Apply if you are finished or click on Advanced Settings if you want to configure more a...

Page 75: ...screen click Advanced Settings button on the DSL Settings screen The test mode can be selected from the DSL Advanced Settings page There are five test modes between the router and your ISP Normal tes...

Page 76: ...into 256 separate tones each spaced 4 3125 kHz apart With each tone carrying separate data the technique operates as if 256 separate modems were running in parallel The tone range is from 0 to 31 for...

Page 77: ...es such as game consoles or printers that are on the same subnet Game consoles such as xBox or PS3 which requires network connections can use UPnP to be connected to the Internet DNS Proxy By default...

Page 78: ...g in a USB drive into the USB port on the router Adding a printer server This section explains how to add a printer server the router for Windows 7 and Windows XP For other operating systems refer the...

Page 79: ...65xx A1 Family Router Users Guide 79 Windows 7 1 In the Advanced Setup Print Setup screen add the printer In this example the printer name is CanonMP250...

Page 80: ...e following example uses a router IP Address as 192 168 1 254 as shown in the LAN Setup page Normally the router default IP address is 192 168 1 1 2 From the Control Panel Hardware and Sound Devices a...

Page 81: ...etwork Wireless or Bluetooth printer the click Next 4 The system will search for available printers Click The printer that I want isn t listed 5 Select Add a printer using a TCP IP address or hostname...

Page 82: ..._Address is the Modem LAN IP Address the default IP Address is 192 168 1 1 Port_ID fixed at 631 Printer_Name must be the same name entered in the modem Printer Server Setting as described in Step 1 7...

Page 83: ...k Next 9 Specify whether you want to share the printer and enter a printer name if desired 10 Click Finish 11 Check the status of printer from Windows Control Panel Hardware and Sound Devices and Prin...

Page 84: ...65xx A1 Family Router Users Guide 84...

Page 85: ...e uses a router IP Address as 192 168 1 254 as shown in the LAN Setup page Normally the router default IP address is 192 168 1 1 2 Click Add a Printer from the Printers and Faxes Control Panel compute...

Page 86: ...http 192 168 1 254 631 printers CanonMP250 and click Next The syntax is http modem_IP_Address Port ID printers Printer_Name Where modem_IP_Address is the Modem LAN IP Address the default IP Address is...

Page 87: ...65xx A1 Family Router Users Guide 87 5 Chose the Manufacturer of the printer and Printer Model Name then click Next 6 Choose Yes or No for default printer setting and click Next...

Page 88: ...65xx A1 Family Router Users Guide 88 7 Click Finish 8 Check the status of printer from Windows Control Panel printer window Status should be Ready...

Page 89: ...ows you to open ports to allow certain Internet applications on the WAN side to pass through the firewall and enter your LAN To use this feature mapping groups should be created To create a new mappin...

Page 90: ...65xx A1 Family Router Users Guide 90 After clicking the Add button the Port Mapping Configuration screen appears 2 Enter a unique Group name...

Page 91: ...k Save Apply LAN Ports Enable disable virtual LANs Virtual LANs are used to enhance security and manage traffic going to different networks IPSec Internet Protocol Security IPSec allows you to set up...

Page 92: ...65xx A1 Family Router Users Guide 92 Click Add New Connection to access the IPSec Settings screen to enter your configurations...

Page 93: ...65xx A1 Family Router Users Guide 93...

Page 94: ...65xx A1 Family Router Users Guide 94 The Show Advanced Settings button at the bottom of the screen provides additional encryption settings...

Page 95: ...ate either by creating a new one or importing an existing one from a location where one is stored Note Certificates are used with TR 069 Firmware that does not support TR 069 will not support certific...

Page 96: ...ly to submit the request If you have a certificate already you can simply import the certificate by pasting the certificate content and private key into the space provided 4 If you have an existing ce...

Page 97: ...65xx A1 Family Router Users Guide 97...

Page 98: ...ows you to verify the certificates of your peers The Trusted CA Certificate Authority Certificates screen also allows you to view certificates You can store up to 4 certificates To Import a certificat...

Page 99: ...65xx A1 Family Router Users Guide 99 3 In the Certificate text window paste the content of the certificate 4 Click Apply...

Page 100: ...less section include Basic Security MAC filter Wireless bridge Advanced Quality of service and station info NOTE The 6512 and 6511 do not provide wireless LAN Basic The Wireless Basic screen allows yo...

Page 101: ...65xx A1 Family Router Users Guide 101...

Page 102: ...etup 5618 6519 only Enable WPS WPS securely allows client access to the router When you enable WPS clients must start the access process within two minutes The router supports the PIN WPS method only...

Page 103: ...65xx A1 Family Router Users Guide 103 Manual Setup AP Network authentication methods include the following...

Page 104: ...65xx A1 Family Router Users Guide 104 Open anyone can access the network The default is a disabled WEP encryption setting...

Page 105: ...ption is enabled and encryption key strength of 64 bit or 128 bit needs to be selected Click on Set Encryption Keys to manually set the network encryption keys Up to 4 different keys can be set and yo...

Page 106: ...tication between a client station and the router by including a RADIUS based authentication server Information about the RADIUS server such as its IP address port and key must be entered WEP encryptio...

Page 107: ...Access usually used for the larger Enterprise environment it uses a RADIUS server and TKIP Temporal Key Integrity Protocol encryption instead of WEP encryption which is disabled TKIP uses128 bit dyna...

Page 108: ...y WPA for home and SOHO environments also using the same strong TKIP encryption per packet key construction and key management that WPA provides in the enterprise environment The main difference is th...

Page 109: ...9 WPA2 Wi Fi Protected Access 2 second generation WPA which uses AES Advanced Encryption Standard instead of TKIP as its encryption method Network re authorization interval is the time in which anothe...

Page 110: ...amily Router Users Guide 110 WPA2 PSK Wi Fi Protected Access 2 Pre Shared Key suitable for home and SOHO environments it also uses AES encryption and requires you to enter a password and a re key inte...

Page 111: ...mes for upgrades in the enterprise environment this mixed authentication method allows upgraded and users not yet upgraded to access the network via the router RADIUS server information must be entere...

Page 112: ...ccess the Access Point The MAC filter screen allows you to control what WiFi clients are allowed or deny to access the WiFi Access Point using the MAC address of the devices 1 Selected the SSID you wa...

Page 113: ...he Wireless MAC Filter page select the SSID to apply the filter to 2 From one of the MAC Restrict Mode radio buttons select Disabled Allow or Deny 3 Click Add 4 In the Wireless MAC Filter screen enter...

Page 114: ...strict a wireless bridge 1 In the Wireless Wireless Bridge screen select the access point mode from the AP Mode dropdown AP Mode options are Access Point Wireless Bridge 2 From the Bridge Restrict dro...

Page 115: ...65xx A1 Family Router Users Guide 115...

Page 116: ...Family Router Users Guide 116 Advanced The Advanced page configures advanced features of the wireless LAN interface Note Do not change the settings on this screen if you are not familiar with WiFi se...

Page 117: ...erence with another 2 4Ghz device such as a baby monitor security alarm or cordless phone then change the channel on your router Auto Channel Timer a timer that rescans and finds the best available ch...

Page 118: ...com Wi Fi technology 54g Protection the 802 11g standards provide a protection method so 802 11g and 802 11b devices can co exist in the same network without speaking at the same time Do not disable 5...

Page 119: ...cs screen allows you to run diagnostic tests to check your DSL connection The outcome will show test results of three connections Connection to your local network Connection to your DSL service provid...

Page 120: ...65xx A1 Family Router Users Guide 120...

Page 121: ...Address Destination MAC address where the fault detection packets will be sent 802 1Q VLAN ID Enter the 802 1Q VLAN Click Set MD Level to apply the MD level Then click Send Loopback to send the loopba...

Page 122: ...Backup Settings To save a copy of the configurations that you have made on your router 1 From the Settings Backup page click Backup Settings The below pop up screen will appear with a prompt to open...

Page 123: ...ter will restore settings and reboot to activate the restored settings Restore Default Restore Default will delete all configuration changes you have made and restore the router to factory default set...

Page 124: ...and reboot System Log The System Log dialog allows you to view the System Log and configure the System Log options To view the System Log click View System Log to check the log file Note Only configur...

Page 125: ...the severity of the event and a message which describes the event Configure System Log If the log is enabled the system will log selected events based on their level The log levels are Emergency Aler...

Page 126: ...n the local memory Select the desired values and click Save Apply button to configure the system log SNMP Agent SNMP Simple Network Management Protocol provides a means to monitor status and performan...

Page 127: ...69 Client The router includes a TR 069 client WAN management protocol with default values configured Note Do not change this information unless you are instructed to by your ISP technician To enable t...

Page 128: ...e Internet Time Your router can synchronize its internal clock servers with servers running Network Time Protocol NTP 1 To enable NTP click Automatically synchronize with Internet time servers and ent...

Page 129: ...ccess Control You can enable or disable some services of your router by LAN or WAN If no WAN connection is defined only the LAN side can be configured Note Do not change this information unless you ar...

Page 130: ...word and then click on the Save Apply button Services Services that can be enabled or disabled on the LAN WAN are FTP HTTP ICMP SNMP SSH Telnet TFTP Note ICMP for the LAN is always enabled It cannot b...

Page 131: ...be limited when Access Control Mode is enabled Note Do not change this information unless you are instructed to by your ISP technician Adding or changing the settings on this page may cause you to lo...

Page 132: ...reen select the IP address then select Enabled to enable Access Control Mode Update Software Note Do not perform this operation unless you are instructed to by your ISP technician If your ISP releases...

Page 133: ...Guide 133 Reboot Clicking Save Reboot saves all the configurations you have made then reboots the router using the new configuration information Tools The Ping and Trace Route tools may be used to ver...

Page 134: ...65xx A1 Family Router Users Guide 134...

Page 135: ...65xx A1 Family Router Users Guide 135...

Page 136: ...reen and that the network cables are installed correctly If the LED is off make sure the router is turned on If the LED is red please contact your ISP 2 Check the Ethernet network cable is plugged in...

Page 137: ...uter receives the message it sends messages in reply To use it you must know the IP address of the computer with which you are trying to communicate On Windows based computers you can execute a ping c...

Page 138: ...f that name is not an entry in your ISP s DNS table the request is then referred to another higher level server and so on until the entry is found The server then returns the associated IP address On...

Page 139: ...order to add information to the signal The voice component in DSL is an analog signal See digital ATM Asynchronous Transfer Mode A standard for high speed transmission of data text voice and video wi...

Page 140: ...alled DNS servers For example www yahoo com is the domain name associated with IP address 216 115 108 243 When you start to access a web site a DNS server looks up the requested domain name to find it...

Page 141: ...up of PCs on a LAN and allows communication to pass between the networked devices ICMP Internet Control Message Protocol An Internet protocol used to report errors and other network related informatio...

Page 142: ...s Also known as encryption keys 64 bit and 128 bit encryption keys used in WEP wireless security schemes The keys encrypt data over the WLAN and only wireless PCs configured with WEP keys that corresp...

Page 143: ...hines modems etc to a telephone port It is a 6 pin connector usually containing four wires RJ 45 Registered Jack Standard 45 The 8 pin plug used in transmitting data over phone lines Ethernet cabling...

Page 144: ...only UDP packets only or both Twisted pair The ordinary copper telephone wiring used by telephone companies It contains one or more wire pairs twisted together to reduce inductance and noise Each tel...

Page 145: ...an only be sent and received by users with access to a private network key Each PC on your wireless network must be manually configured with the same key as your device in order to allow wireless encr...

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