Download - Designing A LAN WAN MAN Sollution
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Introduction
A typicaly office has 20 personal computers (PCs). The
office infrastucture is to be upgrade to include LAN ,
MAN , technologies meeting the following criteria.
• The company intends to enlarge and the office is expected to
twice its size in the near future.• The company requires the implimentation of a paperless office
system where ever possible.
• A system for central data storage and central data control is
requiered.
• Internet access is requied ensureing that the local network is
protected from unauthorized access.• The company has one branch overseas which needs to be
connected to the local network.
• There is another office two Kilometers away which has already been netwoked and needs to be connected to the new
netwoked office.
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server
Printer
Optical Fiber
1 Gbps2 km
Router
1 Gbps
Switch
Firewall
Computers
100Mbps1 Gbps
Interne
t
ISPLocal Branc
hOverseas
Branch
Data
Server
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Hardware Type Specification
No of equipment No of Ports
L A N Router 1 4
Switch 1 24
Firewall 1 -
Mail server 1 -
Data server 1 -
M A N Fiber Link 1 -
W A N Leased Line 1 -
I S P 1 -
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LOCAL AREA NETWORK ARCHITECTURE
Client Server Architecture
The client –server model of computing is a distibuted
application structure that partitions tasks or workloads
between the providers of a resource or service,called
servers,and service requesters,called clients.O ften
clients and servers communicate over a computer
network on separate hardware,but both client and server
may reside in the same system.A server host runs one or
more server programs which share their resources with
clients.A client does not share any of its resources ,but
requests a server’s content or service function.clients
therefore initiate communication sessions with servers
which await incoming requests..
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BackUp Procedure
• Online data backup can be used for backing up datas.
• Data storage sever (data backup server) can be used as
equipment.
• Data backup systems
Definition
In storage technology online backup means to backup data
from own hard drive to a remote data backup server or
computer via a network connection.Backup’s are useful
primarily for two purposes ..
-The first is to restore a state following a disaster
(called disaster recovery)
-The second is to restore small numbers of files
after they have been accidently deleted or corrupted
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Bandwith Requirement
server
Printer
Router
1 GbpsSwitch
Firewall
Computers
100Mbps1 Gbps
Optical Fiber
1 Gbps2 km
Internet
ISPLocal Branc
hOverseas
Branch
Data
Server
1 Gbps
1 Gbps
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ManufactureDetails
• Router• Switch• Filewall• Mail Server
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Router
Cisco™ 7301-DC
• Brand - Cisco™
• Model - 7301
• Port Speed - Gigabit
• Manufacture - Cisco™• Price – US $ 200.00
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Switch
Cisco™ system catalyst 3550 series
48 port network switch
W5-C3550-48-SMI-n
• Brand - Cisco™
• Model – 3550-48-SMI-n
• Type - Ethernet Switch
• Manufacture - Cisco™• Price – US $ 38.15
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Firewall
Cisco™ ASA 5512-X Adaptive Firewall
• Software version – 8.6
• Device Manager Version – 6.6
• Hardware - ASA 5512-X
8192 MB RAM
CPU clarkdak
3059 MHz 1 CPU(4 Core)
• Interhat ATA campact flah
• 4049 Mb Bios flash
• Firewall version – 2.4• Price – US $ 400.00 +VAT
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Mail Server
IBM X3400 M3 XEON 5620 QUAD Core Server, 32GB DDR3 RAM,2X 300GB SOS HDD
Brand: IBM
Memory Capacity: 32GB
Memory Type: REGISTERED DDR3
Server Features:
• Intel Xeon E5620 2.4GHz Quad-Core Processor with Hyper Threading (total 8 processing cores)
• Dual Processor Capable
• 32GB Quality DDR3 ECC Memory
• 2 x IBM 300GB 2.5" Hot Pluggable SAS Hard Drives
• IBM ServeRAID M5015 512MB Cache SAS/SATA RAID Array
Controller• SATA DVD Drive
• 8x USB Ports
• Embedded Broadcom Netextreme II Dual Port Gigabit Server
Adapter
• Dual Redundant 920W 90 Plus Gold Efficient Hot Plug Power Supply
Server has been tested and is in perfect working order.
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Data Backup Server
Cisco™ LinkSys N554100 3TB NAS storage Server
• Chassis with 4 × 750GB High speed duty Cycle SATA HDs.
• Upto 4 × 3TB supported.
• Supported Mac\Linux Server.
• File base disk encriyption.
• Optional Redundant Power Supply Support
Via the cisco 380W redundant powe supply unit.• Price – US $ 350.00 + VAT
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T H A N K Y O U