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Table of Contents
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Summary of Contents for Telex Basic Network
- Page 1 Basic Network Configuration...
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Page 3: Table Of Contents
Table of Contents Basic Network Configuration ... 25 LAN (local area network) vs WAN (wide area network) ... 25 Local Area Network ... 25 Wide Area Network... 26 Accessing the Wide Area Network (WAN) ... 27 IP Addresses ... 29 Ping a Computer ... -
Page 5: Basic Network Configuration
Basic Network Configuration This section covers basic network configuration set up and testing. Also covered are basic concepts and operations, including the difference between LAN and WAN networks and how IP Addressing is used. In a networked environment, such as a company, typically there are many computers connected together using a router or a switch (for more information, see router or switch in the definitions section). -
Page 6: Wide Area Network
A wide area network connects two or more LANs and can span a relatively large geographical area. For example, Telex Headquarters in Burnsville, MN is connected to several of its branch offices in Nebraska and Arkansas over the wide area network. The largest WAN in existence is the Internet. -
Page 7: Accessing The Wide Area Network (Wan)
Using the initial IP address, then converting it to a valid WAN IP address is how the network address transla- tion works in theory. Once the IP address is changed, it is up to the network interface device (such as a router, gateway, switch, etc.) to keep track of which computers are talking on which ports. - Page 8 Amazingly, all the address translation that occurs takes place automatically in order to make web browsing and other functions easier. This is also a way for large web hosting services to speed up the network by having different devices perform different functions.
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Page 9: Ip Addresses
The IP configurations appear for your machine, such as the DNS suffix, IP Address, Subnet Mask, and Default Gateway. 3. At the prompt, type Exit to close the screen. Note: If you want more detailed parameters for your machine, type ipconfig/ All. This screen shows the computers network configuration settings. -
Page 10: Ping A Computer
Ping a Computer Pinging a computer on the network makes sure it is able to be “seen” and receive messages on the network. Note: You can also ping your RVON-8 card to verify that it is responding over the network by putting the cards IP address in place of the computer IP address. -
Page 11: Possible Pitfall With Routers, Gateways, And Switches
Anytime computers communicate through routers, gateways, and switches, they may be allowed or denied the connection. Network interface devices can be configured to block specific outgoing requests, as well as incoming requests, based on the IP address and/or port. This is one of the security mechanisms of a router. -
Page 12: Rvon-8 Specific Configuration
WAN connections to and from a Network Interface Device. See Table 4 for the ports that need to be opened for the RVON-8 card to operate properly. -
Page 13: Network Terminology
A DNS Server is an Internet service that translates domain names (for example, in the URL http:// www.telex.com, the domain name is telex.com) into IP Addresses. The Internet is based on IP Addresses which are numeric and since domain names are alphabetic, they are easier to remember. Everytime a domain name is used it must go through the DNS server to be translated into an IP Address. -
Page 14: Lan
A wide area network connects two or more LANs and can span a relatively large geographical area. For example, Telex Headquarters in Burnsville, MN is connected to several of its branch offices in Nebraska and Arkansas over the wide area network. The largest WAN in existence is the Internet.