Motorola Vonage VT2142, User Manual

Page 1: ...User Guide VT2142 Voice Gateway ...

Page 2: ...s to public emergency call services to all customers The details vary depending on the country in which you subscribe to Vonage Internet telephone service Country Refer To Canada Your Internet Telephone Service and 911 in Canada see page iii United Kingdom Your Internet Telephone Service and 999 in the United Kingdom see page iv United States of America Your Internet Telephone Service and 911 in t...

Page 3: ...g service is activated when you subscribe to Vonage Canada service You should inform any household residents guests and other persons who may be present at the physical location where you utilize the Vonage Canada service of the important differences in and limitations of VoIP 9 1 1 Dialing service as compared with E911 service as set out above We limit our liability to you in respect of our 911 D...

Page 4: ...elays in making your location information available in or through the local automatic location information database Note Vonage not Motorola is responsible for the provision of VoIP telephone services through this equipment Motorola shall not be liable for and expressly disclaims any direct or indirect liabilities damages losses claims demands actions causes of action risks or harms arising from o...

Page 5: ...ion information database Note Vonage not Motorola is responsible for the provision of VoIP telephone services through this equipment Motorola shall not be liable for and expressly disclaims any direct or indirect liabilities damages losses claims demands actions causes of action risks or harms arising from or related to the services provided through this equipment For more information about 911 an...

Page 6: ... risk of fire electric shock and injury to persons including the following Read all of the instructions listed here and or in the user manual before you operate this equipment Give particular attention to all safety precautions Retain the instructions for future reference This device must be installed and used in strict accordance with manufacturer s instructions as described in the user documenta...

Page 7: ...to determine that the product is in safe operating condition SAVE THESE INSTRUCTIONS FCC Compliance Class B Digital Device This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Note This ...

Page 8: ... any derivative work such as translation transformation or adaptation without written permission from Motorola Inc Motorola reserves the right to revise this publication and to make changes in content from time to time without obligation on the part of Motorola to provide notification of such revision or change Motorola provides this guide without warranty of any kind either implied or expressed i...

Page 9: ...o the VT2142 12 Configuration Overview 13 Exporting the VT2142 Configuration 13 Importing the Saved Configuration 13 Restarting the VT2142 14 Logging Out 14 WAN Configuration 15 WAN Setup for PPPoE DSL 16 WAN Setup for a Static IP Address Cable Modem 17 WAN Setup for DHCP Cable Modem 19 LAN Configuration 20 Advanced Configuration 22 ADVANCED 22 UPnP 23 IP QoS 24 IP QoS Traffic Rule 25 Port Forward...

Page 10: ... Connection Status 48 DDNS Update Status 49 DHCP Clients 50 Product Information 50 System Log Router 51 Configuring TCP IP 52 Configuring TCP IP in Windows 98 or Windows Me 52 Configuring TCP IP in Windows 2000 55 Configuring TCP IP in Windows XP 58 Verifying the IP Address in Windows 98 or Windows Me 62 Verifying the IP Address in Windows 2000 or Windows XP 63 Troubleshooting 64 Resetting All of ...

Page 11: ...ve a 10Base T or 10 100Base T Ethernet adapter Be running Microsoft Windows Macintosh OS Linux or UNIX Features The VT2142 Voice Gateway provides Up to two lines of robust full featured telephone and fax service Voice over data prioritization so you can speak on the phone while using the Internet with no reduction in voice quality VPN passthrough support for remote access to enterprise application...

Page 12: ...llow 10Base T Flashes when there is activity on the Internet connection Ethernet Indicates the speed of the Ethernet connection Solid green 100Base T Solid yellow 10Base T Flashes when there is activity on the Ethernet connection Power If it is ever red blinking or solid restart the voice gateway see Restarting the VT2142 on page 14 During a normal start up it lights in the following sequence Blin...

Page 13: ... you plug into an AC power outlet 2 Reset Press to restart the VT2142 you can also restart your voice gateway using its graphical user interface GUI as described in Restarting the VT2142 on page 14 3 Ethernet Yellow Ethernet port 4 Internet Blue Ethernet port to your cable or DSL modem 5 Phone 1 and 2 Green ports for phones one and two optional If you subscribe to only one phone line from Vonage y...

Page 14: ...voice gateway from a retail location you must first activate your Vonage Phone Service You will need to provide the WAN MAC ID on the bottom of the VT2142 In Canada visit www vonage ca activate In the United Kingdom visit www vonage co uk activate In the United States visit www vonage com activate Item Description AC adapter Connects the VT2142 to an AC electrical outlet the plug shown is for the ...

Page 15: ...ge 6 If your cable or DSL modem has a built in router with multiple computers connected you should also use instructions A If you have a standard cable or DSL modem with just one computer connected use instructions B Installation With a Standard Modem see page 8 You can place the VT2142 on a flat surface horizontally or vertically For vertical installation insert the voice gateway into the supplie...

Page 16: ... one end of the blue Ethernet cable to an Ethernet port on your router 5 Connect the other end of the blue Ethernet cable to the blue Ethernet port labelled Internet on the rear panel of your voice gateway 6 Connect one end of the yellow Ethernet cable to the Ethernet port on your voice gateway 7 Connect the other end of the yellow Ethernet cable to the Ethernet port on the computer you disconnect...

Page 17: ...al outlet that is grounded and equipped with a surge protector or UPS 12 Turn on your computer The Ethernet light on the VT2142 front panel should light 13 On your computer open a Web browser such as Microsoft Internet Explorer Netscape Navigator or Mozilla Firefox 14 Check your Internet connection by visiting any website If your Internet connection does not work see Troubleshooting on page 64 If ...

Page 18: ...nd of the yellow Ethernet cable to the Ethernet port on your computer 8 Plug your cable or DSL modem power cord or adapter into an AC power outlet Refer to the instructions provided with the modem Hint Your modem should remain off for about 10 minutes to clear its memory so it can recognize the VT2142 when you turn it back on You can continue with the installation during this time Note If your hig...

Page 19: ...on by visiting any website If your Internet connection does not work continue with step 14 If your Internet connection works go to C Connecting Your Telephone on page 11 14 Depending on whether your high speed Internet service is cable or DSL do one of the following Cable modem users First as mentioned in step 3 be sure your cable modem remained off for at least 10 minutes before you turned it bac...

Page 20: ...outer and click Log In The HOME page is displayed Click SETUP followed by WAN Configuration From the Type drop down list choose PPPoE Type the Username and Password you normally use to log in to your DSL service In the Keep Alive field type 0 to ensure that your DSL link is always active Click Connect to start your Internet connection Click Save Go back to step 13 to test your Internet connection ...

Page 21: ...ribed to one phone line from Vonage you must connect your phone to the Phone 1 port 2 If you subscribed to a second phone or fax line from Vonage connect a telephone or fax machine to the Phone 2 port 3 Check for a dial tone If you hear a recording instructing you to connect your phone to the Phone 1 port please do so If you hear neither this message nor a dial tone refer to Troubleshooting on pag...

Page 22: ...e page 14 Logging Out see page 14 WAN Configuration see page 15 LAN Configuration see page 20 If DHCP is enabled on all of the computers on your network LAN you do not need to change any of the default LAN settings Unless you have sufficient networking knowledge we recommend not changing any LAN settings For information about advanced configuration see Advanced Configuration on page 22 Logging In ...

Page 23: ... page 3 Type the path and filename or click Browse to select the desired configuration file 4 Click Import The update status appears at the bottom of the window When the update is finished the voice gateway restarts You will need to log in again Item Click To HOME Display the home page SETUP Perform WAN Configuration or LAN Configuration ADVANCED Enable configure UPnP IP QoS Web filters multicast ...

Page 24: ...starting the VT2142 1 Click TOOLS 2 Click Restart on the menu at left 3 Click the Restart button If the VT2142 Power light is red after you restart the VT2142 refer to Troubleshooting on page 64 Logging Out 1 On the main menu click Log Out The text Are you sure you want to Log Out is displayed 2 Click Log Out The VT2142 login screen appears ...

Page 25: ...SL modems See WAN Setup for PPPoE DSL on page 16 Static For some cable modems the cable company assigns the cable modem a static unchanging IP address You must provide the IP address subnet mask default gateway and one to three domain name server DNS addresses See WAN Setup for a Static IP Address Cable Modem on page 17 DHCP Most cable modems have a dynamic IP address assigned by the cable company...

Page 26: ...ord Authentication Protocol Microsoft CHAP v2 is supported in the Auto and CHAP options MS CHAP v1 is not supported MTU The maximum transmission unit for the DSL connection It is a negotiated value that represents the maximum size in bytes of the packets sent over the connection The default is 1492 The maximum is 1500 The minimum is 64 Override MAC If your cable or DSL provider associates a partic...

Page 27: ...twork Address Translation Firewall Enables the VT2142 firewall IP Address The static IP address Mask The subnet mask Gateway The gateway IP address Default Gateway The default gateway IP address DNS 1 2 and 3 One to three domain name server IP addresses Override MAC If your cable or DSL provider associates a particular service to a specific device such as your computer select this field and type t...

Page 28: ... it is enabled on your VT2142 if your VPN server does not require MPPE it is disabled If MPPE is enabled the Strength and Stateless fields are enabled We recommend not changing these settings unless directed to by Vonage or your VPN administrator Strength If MPPE is enabled sets the encryption strength on the VT2142 All three strengths 40 bit 56 bit and 128 bit highest are selected by default The ...

Page 29: ...etwork Address Translation Firewall Enables the VT2142 firewall Override MAC If your cable or DSL provider associates a particular service to a specific device such as your computer select this field and type that MAC address in the MAC field to use as a virtual WAN MAC address instead of the VT2142 MAC address By default the MAC address printed on the VT2142 is displayed in this field Restore Res...

Page 30: ...anging the default 192 168 15 0 Netmask Sets the VT2142 subnet mask in dotted decimal format The default is 255 255 255 0 which enables the VT2142 router to support up 253 users connected through multiple hubs switches routers or wireless access points Default Gateway Sets the default gateway IP address for your network in dotted decimal format It must be in the range for the subnet specified by S...

Page 31: ... exceed the subnet limit of 254 For example the default is 192 168 15 254 If the DHCP server runs out of DHCP addresses users cannot access network resources If this happens increase the End IP to the limit of 254 or reduce the Lease Time If you change Start IP or End IP be sure they are in the range for specified by the Subnet IP Address and Netmask For example if the voice gateway IP address is ...

Page 32: ...on the IP address of a LAN device LAN Clients determine how computers on your network receive an IP address Web Filters specify whether proxies cookies Java applets ActiveX controls or pop ups can pass through your voice gateway Dynamic DNS Client register your voice gateway with a DNS server to access the voice gateway each time from the WAN using the host name Multicast enable IGMP Multicast Sta...

Page 33: ...ossary License Configuration Basic Advanced TCP IP UPnP Universal Plug and Play UPnP requires one active WAN connection and the host should support this feature UPnP fields Field Description Enable UPNP Enables UPnP so traffic for applications using UPnP can pass through the voice gateway ...

Page 34: ... QoS fields and buttons Field or Button Description Enable IPQoS If selected traffic prioritization is enabled the default Trusted Mode If enabled the default all IP QoS traffic rules are applied first regardless of the TOS bit settings After the rules are exhausted the existing TOS bit settings are honored If disabled all rules are also applied except if there is no match a default rule of queuin...

Page 35: ...ation Start Port Sets the destination start port Packet Length Start Sets the minimum packet size for the rule Protocol Sets the protocol TCP UDP ICMP or Any Traffic Priority Sets the priority for traffic matching these characteristics High or Low Source Netmask Sets the source subnet mask which along with the Source IP specifies a range of source IP addresses Source End Port Sets the source end p...

Page 36: ...ormal packets have TOS byte 0 in the IP Header TOS Marking Enables you to assign a TOS value to this traffic No Change Normal Service Minimize monetary cost Maximize reliability Maximize throughput or Minimize delay The priority bits in the TOS byte are set to zero upon marking and derived based on priority queues The priority bit value for each priority queue is Voice EF1 5 High EF2 4 Medium 3 Lo...

Page 37: ...u have the necessary networking knowledge create edit or delete your own port forwarding rules Add a computer to the DMZ Port Forwarding fields and buttons Field or Button Description Allow Incoming Ping Enables the voice gateway to respond to a ping from the Internet LAN IP Select the IP address to host the service New IP Displays the LAN Clients window to reserve an IP address DMZ Displays the D...

Page 38: ... example if you select Alien vs Predator and click View the following is displayed Click Cancel to return to the Port Forwarding page Add Adds the selected Available Rule to the Applied Rules list Remove Remove the selected rule from the Applied Rules list Applied Rules Lists the IP filtering rules you selected to apply for each given category Port Forwarding fields and buttons continued Field or ...

Page 39: ...net mask used in conjunction with the Source IP Address to set a range of IP addresses Enter 0 0 0 0 for all Destination IP Address The LAN s destination IP address for incoming traffic Destination Netmask Subnet mask used in conjunction with the Destination IP Address to set a range of IP addresses The default is 255 255 255 255 Destination Port Start The starting port number that is opened for t...

Page 40: ...ough port forwarding to the IP address of the computer This allows access to the DMZ host from the Internet DMZ Settings fields Field Description Enable DMZ Enables or disables the DMZ feature It is disabled by default Select a LAN IP Address Selects the LAN IP address of the DMZ computer to expose to the Internet with no protection from the VT2142 firewall This may expose your network to security...

Page 41: ...e LAN Clients page Block All Traffic If selected network access is blocked for the IP address Block Outgoing Ping If selected outgoing pings are blocked for the IP address Blocking outgoing pings can be useful if a computer has a virus that attempts a Ping of Death denial of service attack Custom IP Filters Displays the Custom IP Filters page Category Sets the category for which rules are displaye...

Page 42: ...lected by default and automatically applied when you click Save Source IP The LAN source IP address assigned to outgoing traffic on which filtering is applied Source Netmask Subnet mask of the source IP address Destination IP Sets the destination IP address to which your source IP address is denied access Destination Netmask Subnet mask of the destination IP address Enter 0 0 0 0 for all Port Star...

Page 43: ...ss range LAN Clients fields Field Description Enter IP Address Type the static IP address to assign to the computer or other host For that host type its Hostname optional and MAC address required Dynamic Addresses Lists the currently assigned dynamic IP addresses and the hostname MAC address and address Type always Dynamic in this table of the assigned computer To assign a dynamic IP address to th...

Page 44: ...ion Basic Advanced TCP IP Web Filters Web Filters enable you to manage the type of web content that passes through your voice gateway Web Filters fields Field Description Proxy Disabled by default Cookies Disabled by default Java Applets Disabled by default ActiveX Disabled by default Pop Ups Disabled by default ...

Page 45: ...s host name Dynamic DNS Client fields Field Description DDNS Server Selects a DDNS service provider from the list A charge may occur depending on the service selected DDNS Client Enables or disables the DDNS client feature for the WAN connection It is disabled by default User Name The user name assigned by the DDNS service provider Password The password assigned by the DDNS service provider Domain...

Page 46: ... datagrams to the host group Multicasting is useful when the same data needs to be sent to more than one device for example if one device is responsible for acquiring data that many other devices need Using multicasting uses less network bandwidth than sending the same data to individual devices Multicasting also enables you to receive multicast video streams from multicast servers The voice gatew...

Page 47: ...fields Field Description New Destination IP The network IP address of the subnet You can also enter the IP address of each individual station in the subnet Mask The network mask of the destination subnet Gateway The IP address of the next hop through which traffic will flow towards the destination subnet Metric Defines the number of hops between the network nodes through which data packets travel ...

Page 48: ...col with multicast format Routers using RIP v1 or a compatible protocol can communicate with each other but not to routers using RIP v2 Enable Password Optional RIP v2 enables simple plain text password based authentication for RIP packets It is disabled if RIP v1 is selected Password The password can have up to 16 characters Interface Normally when it is enabled on a router RIP dynamically provid...

Page 49: ...ver the Web Remote Web Access fields Field Description Enable Enables and disables the remote web access feature Remote Network IP Enter the IP address of the remote host for example 10 10 10 1 Remote Netmask Enter the subnet mask of the remote host Redirect Port You can enter a port in this field that is different from port 8080 The port you enter is viewed externally and mapped to port 8080 inte...

Page 50: ...Advanced TCP IP Remote SSH Access You can access the voice gateway remotely through secure shell SSH over the Internet Remote SSH Access fields Field Description Enable Enables or disables remote SSH access Remote Host IP Sets the IP address of the remote SSH host Remote Netmask Sets the subnet mask of the remote SSH host ...

Page 51: ...tion import or export the voice gateway configuration Remote Log Router specify the log messages the voice gateway sends to remote computers User Management change the voice gateway password Ping Test determine whether a computer can be reached over the network Restart save the configuration or restart the VT2142 Restore Defaults Button Description Restore Defaults Restores the factory default con...

Page 52: ...r Button Description Select a File Click Browse to select the configuration file to import to the voice gateway Import Imports the selected configuration file The update status appears at the bottom of the window When the update is finished the voice gateway restarts and you will need to log in again Export Downloads a copy of the configuration file config bin saved in the voice gateway flash memo...

Page 53: ...re immediate correction such as a corrupted system database Critical critical conditions such as hard drive errors Error error conditions that generally have less serious consequences than panic alert or critical errors Warning conditions that warrant monitoring Notice conditions that are not errors but might warrant special handling this is the default Log Level setting Info events or non error c...

Page 54: ...oice Gateway User Guide 44 Overview Installation Troubleshooting Contact FAQ Glossary License Configuration Basic Advanced TCP IP User Management Use this window to change the password for the User Name router ...

Page 55: ...on Enter IP Address to ping Sets the IP address to ping the default is the VT2142 default IP address 192 168 15 1 Packet size Sets the packet size of the ping test The default is 64 bytes Number of echo requests Sets how many times the IP address is pinged The default is 3 Test Starts the test The results display in the scroll window If the test is successful you can access the IP address If the t...

Page 56: ...ced TCP IP Restart Restart fields Field Description Restart Restarts the voice gateway Be sure to save the configuration before you restart If you restart the voice gateway without saving your changes it reverts to the previously saved configuration Your changes are lost After you restart the voice gateway you must log in again ...

Page 57: ...nks to view the Network Statistics Connection Status DDNS Update Status DHCP Clients Product Information and System Log Router The Refresh button on every STATUS page except for Product Information refreshes the information so it is up to date Network Statistics Use this page to view transmit and receive statistics for the Ethernet local network or WAN Internet interfaces ...

Page 58: ... Use this page to view the WAN connection status Connection Status fields Field Description Description A description of the connection component Type The type of component IP The IP address of the component State The component state connected or disconnected Online The amount of time it has been connected Disconnect Reason The reason it was disconnected ...

Page 59: ...d it updates every time the voice gateway gets a new IP address DDNS Status fields Field Description DDNS Server Sets the DDNS server DynDNS or TZO Status It can be one of Updated the IP address of the client has been changed and an update has been sent to the DDNS server No change the IP address of the client has not been changed Error there is an error with the DDNS update Error If the Status is...

Page 60: ...P DHCP Clients Use this page to view the list of LAN DHCP client devices Product Information Use this page to view product hardware and software information such as model number hardware revision and the software and boot loader versions The information in the image is an example Your Model Number and other information may be different ...

Page 61: ...ubleshooting Contact FAQ Glossary License Configuration Basic Advanced TCP IP System Log Router The system log displays router related events Depending on the severity the event is sent to a remote host if remote logging is enabled on the Remote Log Router page ...

Page 62: ...P in Windows 2000 Configuring TCP IP in Windows XP Follow the instructions in your Macintosh or UNIX user manual After configuring TCP IP on all computers perform one of the following to verify its IP address Verifying the IP Address in Windows 98 or Windows Me Verifying the IP Address in Windows 2000 or Windows XP Follow the instructions in your Macintosh or UNIX user manual Configuring TCP IP in...

Page 63: ... window 4 Verify that TCP IP is installed for the adapter used to connect to the VT2142 If TCP IP is installed skip to step 9 If TCP IP is not installed for the adapter continue with step 5 5 Select the adapter to use for the VT2142 connection and click Add The Select Network Component Type window is displayed Although your VT model number may be different than in the images in this guide the proc...

Page 64: ...Click TCP IP on the Network window If there is more than one TCP IP entry choose the one for the Ethernet card connected to the VT2142 10 Click Properties The TCP IP Properties window is displayed 11 Click the IP Address tab 12 Click Obtain an IP address automatically 13 Click OK to accept the TCP IP settings 14 Click OK to close the Network window 15 Click OK when prompted to restart the computer...

Page 65: ...ttings and then Control Panel from the pop up menus to display the Control Panel window 3 Double click the Network and Dial up Connections icon to display the Network and Dial up Connections window In the steps that follow a connection number like 1 2 3 etc is a reference that is displayed on computers with multiple network interfaces Computers with only one network interface may only see the labe...

Page 66: ...number varies from system to system The Local Area Connection number Status window is displayed 5 Click Properties Information similar to the following window is displayed 6 If Internet Protocol TCP IP is in the list of components TCP IP is installed You can skip to step 10 If Internet Protocol TCP IP is not in the list click Install The Select Network Component Type window is displayed ...

Page 67: ...s re displayed 10 Be sure the box next to Internet Protocol TCP IP is checked 11 Click Properties The Internet Protocol TCP IP Properties window is displayed 12 Be sure Obtain IP address automatically and Obtain DNS server address automatically are selected 13 Click OK to accept the TCP IP settings 14 Click Close to close the Local Area Connection number Properties window 15 Click OK when prompted...

Page 68: ...vanced TCP IP Configuring TCP IP in Windows XP 1 On the Windows desktop click Start to display the Start window 2 Click Control Panel to display the Control Panel window The display varies depending on your Windows XP view options If the display is a Category view as shown below continue with step 3 Otherwise skip to step 5 ...

Page 69: ...iguration Basic Advanced TCP IP 3 Click Network and Internet Connections to display the Network and Internet Connections window 4 Click Network Connections Skip to step 6 5 If a classic view similar to below is displayed double click Network Connections to display the LAN or High speed Internet connections ...

Page 70: ... IP 6 Right click the Local Area Connection If more than one connection is displayed be sure to select the one for your network interface 7 Select Properties from the pop up menu to display the Local Area Connection Properties window 8 On the Local Area Connection Properties window select Internet Protocol TCP IP if it is not selected ...

Page 71: ... Internet Protocol TCP IP Properties window 10 Be sure Obtain IP address automatically and Obtain DNS server address automatically are selected 11 Click OK to close the TCP IP Properties window 12 Click OK to close the Local Area Connection Properties window When you complete the TCP IP configuration go to Verifying the IP Address in Windows 2000 or Windows XP on page 63 ...

Page 72: ... exe and click OK The IP Configuration window is displayed The Ethernet Adapter Information fields will vary depending on the system as shown in the following examples In Windows 98 if Autoconfiguration is displayed before the IP Address as in the following example call your service provider 4 Select the adapter name the Ethernet card 5 Click Renew 6 Click OK after the system displays an IP addres...

Page 73: ...o display the IP configuration A display similar to the following indicates a normal configuration If an Autoconfiguration IP Address is displayed as in the following window there is an incorrect connection between the PC the VT2142 and the Internet 5 After verifying your connections type ipconfig renew and press ENTER to renew the IP address If a valid IP address is displayed as shown Internet ac...

Page 74: ...hether your ISP cable or DSL is having connection issues in your area Be sure the telephone connected to the VT2142 is disconnected from the wall jacks that traditional phone companies use If not the VT2142 cannot connect with the Vonage server and you will not get a dial tone Compare your device connections to those shown in Installation With an Existing Router on page 6 or Installation With a St...

Page 75: ...TCP IP Resetting All of Your Equipment You can resolve many installation issues by resetting all of your equipment To reset all of your equipment 1 Turn off your computer VT2142 voice gateway router if you have one and DSL or cable modem 2 Turn the devices back on one at a time in this order Modem Router if present VT2142 Computer ...

Page 76: ...ed States visit www vonage com help In the United Kingdom visit www vonage co uk help For information about customer service technical support or warranty claims see the Motorola Regulatory Safety Software License and Warranty Information card provided with the VT2142 For answers to typical questions see Frequently Asked Questions on page 67 For more information about Motorola consumer cable produ...

Page 77: ...ay online games through my VT2142 A By default the voice gateway blocks all unsolicited messages to the computer or local network as a standard security measure However for online games that require some unsolicited messages to be transmitted through the voice gateway you can specify ports and IP addresses on which to allow unsolicited messages The VT2142 enables you to set up virtual servers or a...

Page 78: ...CP client and a DHCP server A DHCP server at Vonage headend assigns a WAN IP address to your VT2142 The VT2142 contains a built in DHCP server that assigns private IP addresses to each computer on its LAN DMZ A de militarized zone is one or more hosts logically located between a private LAN and the Internet A DMZ prevents direct access by outside users to private data The term comes from the geogr...

Page 79: ... host has a unique host number that combined with the network number forms its IP address hub On a LAN a device that connects multiple hosts to the LAN A hub performs no data filtering See also router IGMP Internet Group Management Protocol Internet A worldwide collection of interconnected networks all using TCP IP IP Internet Protocol is a set of standards that enable different types of computers...

Page 80: ...used with DSL modems PPTP Point to Point Tunneling Protocol encapsulates other protocols to create VPNs It is developed jointly by several vendors private IP address An IP address assigned to a computer on the VT2142 LAN by the DHCP server on the VT2142 for a specified lease time Private IP addresses are used by the VT2142 LAN only they are invisible to devices on the Internet See also public IP a...

Page 81: ...sion Control Protocol Internet Protocol is a set of protocols that provides rules for communication between networks It is the worldwide internetworking standard and the basic communications protocol of the Internet TFTP Trivial File Transfer Protocol is a very simple protocol used to transfer files UPnP Universal Plug and Play protocol UPS A uninterruptible power supply provides battery back up f...

Page 82: ...TRANSFER paragraph above 2 Copy or translate the User Guide included with the Software other than for personal use 3 Copy alter translate decompile disassemble or reverse engineer the Software including but not limited to modifying the Software to make it operate on non compatible hardware 4 Remove alter or cause not to be displayed any copyright notices or startup message contained in the Softwar...

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