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Telex Basic Network, Configuration Manual

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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.

Figure 2. Wide Area Network Diagram.

Summary of Contents for Basic Network

Page 1: ...Basic Network Configuration ...

Page 2: ...2 ...

Page 3: ...rk 26 Accessing the Wide Area Network WAN 27 IP Addresses 29 Ping a Computer 30 Possible Pitfall with Routers Gateways and Switches 31 RVON 8 Specific Configuration 32 Network Terminology 33 Bridges 33 Domain Name Server DNS 33 Gateway 33 Hub 33 IP Address Internet Protocol Address 33 LAN 34 Port 34 Routers 34 Subnet 34 Switches 34 WAN 34 ...

Page 4: ...4 ...

Page 5: ...ut the security measures taken to protect your network VPN or virtual private network is one such security mea sure to protect the intelligence of the LAN A computer outside the LAN must have an address or key known by the VPN to allow access to the LAN Many companies use a VPN to connect two different LANs thus allowing the transfer of data between the two networks LAN local area network vs WAN w...

Page 6: ...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 Figure 2 Wide Area Network Diagram ...

Page 7: ...http www telex com To obtain this address the computer contacts a DNS server Domain Name Server Once the IP address is found it tries to connect to the http port of the network device port 80 See Table 1 for a list of the more well known Port numbers Each network device can be set up to respond or not respond to the various ports The function of re sponding or hosting a service is called serving n...

Page 8: ... p u o r g s w e N 7 3 1 e c i v r e S e m a N S O I B t e N 9 3 1 e c i v r e S m a r g a t a D S O I B t e N 3 4 1 P A M I l o c o t o r P s s e c c A l i a M m i r e t n I 0 5 1 e c i v r e S n o i s s e S S O I B t e N 6 5 1 r e v r e S L Q S 1 6 1 P M N S 9 7 1 P G B l o c o t o r P y a w e t a G r e d r o B 0 9 1 P C A G l o c o t o r P l o r t n o C s s e c c A y a w e t a G 4 9 1 C R I t a...

Page 9: ... 1 From the Start Menu open a Command Prompt screen 2 At the prompt type ipconfig then press Enter 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: ...k by putting the cards IP address in place of the computer IP address To ping a computer on the network do the following 1 From the Start Menu open a Command Prompt screen 2 At the prompt type the IP Address of the computer you wish to ping for example 10 2 100 130 3 Press Enter Note If the computer you are pinging is not responding to the ping you will receive a time out message in the command pr...

Page 11: ...s when broadcast messages are sent and received To view the path an IP address takes to retrieve information you can execute a tracert from the Command Prompt screen To run tracert do the following 1 From the Start Menu open a Command Prompt screen 2 At the prompt type tracert and type the url or IP address you want to trace 3 Press Enter The details of the tracer route are displayed Note You will...

Page 12: ...a t e i r p o r P x e l e T P D U 0 8 0 2 l o c o t o r P l e n a p y e K x e l e T P C T 1 8 0 2 l a i r e S h g u o r h T s s a P P D U 2 8 0 2 d a o l n w o D e r a w m r i F P C T 0 0 1 2 n o i t a r t s i n i m d A e t o m e R 2 0 1 2 r e v r e S n o i t a c i t n e h t u A Table 4 Ports necessary for RVON 8 Card Functionality Figure 4 is an example of a router configuration screen Not all ro...

Page 13: ... to the destination Hub A hub is a common connection point for devices in a network A hub has multiple ports When a data packet arrives at a hub it is copied and distributed to all of its ports so that all nodes on the LAN can see the packets There are three types of hubs passive hub this hub serves as a conduit for the data enabling it to go from one device to another intelligent hub also known a...

Page 14: ...dentifies the type of port it is For example port 80 is used for HTTP traffic Routers A router is a device that forward data packets over networks Most commonly a router is connected to at least two networks normally LANs or WANs Routers are located at gateways the place where two networks are connected Routers do little data filtering they mainly deliver the data Subnet A subnet is a portion of a...

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