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Difrence of lan wan

Lan limit is 40 to 60km then 61km is wan

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Difference between cat 5 ,cat5e , cat 6 cable

Posted on Aug 26, 2008

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The Lan limit on unshielded twisted pair cable (UTP) is 300 ft for a local area network (lan). The cable uses the 802.3 Of course if fiber is used in a LAN then this # can be extended substantially.

Now the main difference between the LAN and Wide Area Network (WAN) is that LANs typically have 1 brodacast domain and froward packets at data link (layer 2 of the OSI) level using MAC addresses.

The WAN operates at the network level (layer 3 of the OSI). WANs are and reads IP addresses. Routers can extend far distances (as you said 40-60km) and band with depends on distance. the further away, the more attenuation on the line.

I hope this helps.

A wide area network

Posted on Jul 30, 2008

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Well if you are asking how it should be crimped, PC to PC regularly, if it is not a smart port LAN then you have to use a cross-over cat 5 cable. but it won't really matter if you have smart ports. for the PC to switch connection, same principle applies, but if they have smart ports, that the type of LAN cables should not matter.

Hope this helps.

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Sharing internet to lan networking

dear sir

plese go to the following site to sharing internet to lan networking..


Dec 10, 2008 | Network Accessories

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Lan troubleshooting sharing internet to lan networking

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A VLAN is a Virtual LAN. It allows the same physical piece of equipment to manage traffic for two separate networks but still block the movement of data between them as if they were not on the same. Picture it like partitioning a hard drive, but your dividing the ports on your switch. As for why, there are a couple reasons. (1) Reducing LAN traffic, every packet sent by a computer has to cycle through every manchine on the LAN, VLAN's limit the number of machines a packet routes through, (2) Security, it also allows you to limit data to a subset of devices or computers. (3) and it allows you to organize your machine on a large LAN by address.

Here are case examples:

1) I want to setup quality of service making sure that servers or phone systems are allotted a certain amount of priority at all times. For example, you wouldn't want your phones to crack and pop because Joe in accounting decided to stream the latest episode of CSI Miami.
2) I want to organize the machines in my organization for security purposes breaking apart different physical networks for each department, building, etc. If you have multinational company running on the same LAN, you don't want everyone pulling from a single pool of addresses.
3) I have a limited amount of equiment so purchase on large switch rather then several smaller ones and divide the ports into specified port groups. I can then set different port restrictions, policies, and quality of service for each group...say an IP phone system, a DMZ, a lab, and management PC's.

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