
Overview Installation Troubleshooting Contact FAQ
Configuration: Basic Advanced TCP/IP
Glossary License
download | To copy a file from one computer or other network device to another. You can use the Internet to |
| download files from a server to your home computer. Your voice gateway downloads its |
| configuration file and firmware from Vonage. |
downstream | In a cable data or DSL network, the direction of data received by your computer from the Internet. |
driver | Software that enables a computer to interact with a network or other device. For example, there are |
| drivers for printers, monitors, graphics adapters, modems, Ethernet, USB, and many others. |
DSL | A digital subscriber line enables a broadband connection to the Internet over traditional telephone |
| lines that support DSL. You need a subscription for DSL service from your local telephone company. |
dynamic IP | An IP address that is temporarily leased to a host by a DHCP server. The opposite of static IP |
address | address. |
Ethernet | The most widely used type of local area network (LAN). The most commonly installed Ethernet |
| networks are called |
| second (Mbps), usually over |
| speeds up to 100 Mbps. |
firewall | A security software system on the VT2142 that enforces an access control policy between the |
| Internet and the VT2142 LAN. |
flow | A data path moving in one direction. |
GUI | graphical user interface |
HFC | A hybrid fiber/coaxial cable network uses |
| subscriber premises. |
host | Any computer or similar device supporting |
| network access. Each 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 to communicate with |
| one another and exchange data through the Internet. IP provides the appearance of a single, |
| seamless communication system and makes the Internet a virtual network. |
IP address | An Internet Protocol address identifies a computer or other device on a TCP/IP network. Networks |
| using the TCP/IP protocol route messages based on the destination IP address. |
IPSec | The Internet Protocol Security protocols are authentication and encryption standards for secure data |
| exchange over the Internet. |
ISP | Internet service provider |
LAN | A local area network provides a |
| building, campus, office, or home. The computers and other devices you connect to your voice |
| gateway, except for the telephones, form a LAN. Ethernet is the most widely used LAN standard. |
MAC address | The Media Access Control address uniquely identifies each device that can be connected to an |
| Ethernet network. It is permanently written to |
your VT2142.
MHz
MPPC
Mega hertz. A measure of frequency; one MHz means one million cycles per second.
Microsoft
MPPE | Microsoft |
| frequently used in conjunction with MPPC. |
NAT | Network Address Translation is a standard for a LAN to use one set of IP addresses for internal |
| traffic and a second set of IP addresses for external traffic. |
VT2142 Voice Gateway User Guide | 69 |