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McBride Financial ServicesNetwork Design – Boise Office
Soris Cox, Isaac D. Davis, Rodney Ham,Steve Hommel
Network Concepts NTC/500Chen Li6 September 2009
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McBride Financial Services, Boise Office LAN
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Overview Service Request Details Network Requirements:
Hardware/Software Security Scalability
Logical Design Network Topology Network Training Network Maintenance
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Service Request
The McBride Financial Services, Boise Office LAN was designed in response to a service request prepared by Hugh McBride SR-mf-005 – LAN Design, Boise Office
Abram LaBelle, of Smith Systems Consulting, met with Mr. McBride and discussed the requirements and design needs
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McBride Financial Services, WAN Locations
Boise, ID LAN will act as a Network Hub for McBride Financial Services
Other locations connect to Boise through firewall-secured internet connections
Other locations: Billings, MT Jackson, WY Cheyenne, WY Bismarck, ND Fargo, ND Rapid City, SD Sioux Falls, SD
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Hardware Servers (1 each)
Gateway/DMZ authentication server Web site server (www.McBrideFinancial.com) Email server ([email protected]) eFax/Secured network authentication server SQL DBMS serverWorkstations and Laptops Administrative Staff workstations (x 2) Client Kiosk workstation (x 1) Laptop Ports for Mortgage Brokers (x 3)
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Hardware
Monitors and Peripherals All Laptop Ports and
Workstations shall include wide screen, flat panel monitors
Keyboard Wireless, IR Mouse
Other Wired Cat5 Ethernet
router LTO Backup Tape Library
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Network Software, Applications and Services
Retina eEye Digital Security: Uses standard browser based technology for
logon,management, and reporting.
The asset driven architecture enables users to manage by logical grouping or assets regardless of the IP address
Advanced charting permits rapid determination of the highest risks within an environment by businessfunction or asset
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Network Software, Applications and Services
Linux Email Server Software:
AtMail
Complete Mail Server Support
Groupware Server Webmail Server Email Server Anti-Virus
Support Anti-Spam Filter Comprehensive
WebAdmin interface Complete Webmail Client SQL Database Backend
support
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Logical Network Design Top-Down Methodology Employed
Benefits of Top-Down Network Design: Modularity Ease of Troubleshooting Reduced Costs
Design Composed of Layers
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Boise LAN – Hierarchal Diagram
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Network Layers
Core Layer Focuses on Availability and Performance Meshing for Redundancy
Distribution Layer Implements Routing Policies Assures Intended Traffic Flows Through
Access Layer Facilitates Connectivity by End-Users Forwards Traffic to Distribution Layer for
Routing
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Network Protocol
Network Protocol – TCP/IP
Protocol Addressing Scheme Classless IP Addressing Classless Inter-Domain Routing Routing Summarization
Class C Addresses
Address Allocation Scheme (Table 1)
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Network Addressing Scheme
Device Type IP Address Range Reserved Type of Allocation
Routers 192.168.10.1-192.168.10.5 Static
Servers 192.168.10.10-192.168.10.20 Static
Printers 192.168.10.21-192.168.21.31 Static
Clients 192.168.10.100-192.168.10.254 Dynamic Host Configuration Protocol
Table 1: Address Allocation Scheme for McBride-Boise Network
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Logical TopologyDMZ Bus and Secured LAN Bus
The logical topology of the Boise Office LAN is two bus networks: The DMZ bus supports the web and email
servers and a client kiosk workstation The secured network supports SQL server,
printers, eFax, and workstations
Both bus networks are secured by firewalls that allow access through authentication servers
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Logical Topology – Bus with DMZ and Secured LAN
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Physical Topology – Bus Similar to the Logical Topology with
noted exceptions: The two bus networks are “flattened” into
a single bus Because the firewalls are applications,
internal to the authentication servers, they are excluded from the physical topology
A router, connected through a gateway server, facilitates external (Internet) network communications
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Physical Topology – Bus
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Network Training Plan
Phase I Leadership Training will help ensure
management level employees are prepared to train employees
Quick Reference Guides will be issued for reference material after implementation
Phase II Engagement of employees Refining Quick References Guides Team Surveys
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Network Maintenance Smith Systems Consulting responsible for
Boise LAN network maintenance Schedule to be communicated in advance Advantages:
Cost effective Provides flexibility for periodic maintenance Units will last longer and fewer issues Energy saving throughout each location and
possibility of going green Reduces equipment failures across the board
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Maintenance Schedule
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Summary The Boise LAN design meets the
functional needs specified by McBride in service request SR-mf-005
The network design offers scalability, security, and flexibility for planned growth of the organization
A comprehensive plan is submitted which addresses requirements as well as network maintenance and staff training