net basics

Mark ShawConsulting Manager

MNA / Npower Michigan

mark@npowermichigan.org

Networking Your Office

Slides Available from…http://www.slideshare.net/npowermichigan

NPower Mission

To inspire and empower nonprofits to use technology to better serve their

communities.

• Tech Assessments• Tech Workshops• Project Work• Managed Care

– Monitoring and Help desk with remote support

What we do..

LAN and WAN Internet Connections Network Devices Configuration Info Network Printing File Shareing

On the Menu Today

• WAN Wide Area NetworkInternet

• LAN Local Area NetworkInternal Office Network

WAN

LANLAN

LAN

LAN

LAN

LAN

Standard DSL download speed

(1.5 Mbps)

Standard DSL upload speed (384

kbps)

T1 Line (1.5 Mbps)

download & upload

“symmetrical”

Standard Cable download speed (6

Mbps)

Standard DSL upload speed (1.5

Mbps)

Internet Connectors

From LAN to Wan

WAN

Software Firewall ?Zone Alarm

Cable or DSL Modem

WAN

Cable or DSL Modem

Router

Stick with top brands:

Networking Equipment

ModemsDSL• 1 Phone In Line (from WAN)• 1 Network Out (Router’s WAN port or PC)• Needs Router or PC to “authenticate”

Cable• 1 Cable In Line (coax)• 1 Network Out (Router’s WAN port or PC)

FirewallSecures traffic between WAN and LAN• Usually integrated into Router• Can be separate device

Connected after Router

Typically seen with T1 Service

WAN

LANRouterFirewall

T1 Modem

24 Port Switch

Cable or DSL Modem

Router Firewall 4Port SwitchWireless Access Point

One for all!ADSL Router

• DSL Modem• Router• Firewall• 4 Port Switch

WANLAN

Routers

Separates the LAN from the WAN

Basic RouterBasic Firewall4 Port SwitchBasic Management

Wireless RouterBasic Firewall4 Port SwitchBasic ManagementWireless Access Point

High End RouterContent Filtering SubscriptionHigh Speed to WANAdvanced ManagementWireless Access Point

Wired vs. Wireless

Wired Connections:More reliable

Faster

More secure

Use wireless for Convenience and Necessity

Buy the Wireless and disable the WAP

Wireless Routers

Wireless N (pre N) – 108+ Mbps300 meter range

Wireless G – 54 Mbps speed 100 meter range

Not a standard yet…

Router Integration

• Router• Firewall• Wireless Access Point• Network Switch• DSL or cable modem• Print Server• USB Network Drive Port

• Reset Button!!

Erases configuration of router back to factory settings

IT DOES NOT “reboot” the modem

Configuring a Router

Use the Setup Wizard

WAN

Cable Connection

Select Cable or use defaults

DSL

Select and setup PPPOE connection using your DSL username and password to “authenticate” DSL modem

Configuring Router Wireless

Enable/Disable

SSID (“NewDetroitOpen”)

Channel ( From 6 to 11 )

Wireless Type (A/B, G, PreN, N)

Security (default is OPEN no pwd)

Router Wireless SecuritySecurity ModeWEP breakableWPA2 Personal (aka WPA2-PSK) more secureDefine Wireless Password or Key

Configuring Router

Change Default Admin Password

Router ManagementFrom browser: 192.168.1.1 or .0.1 then.. Enter username and pwd

DHCP Dynamic Host Configuration Protocol

Automatically sends IP information to PC’s, printers etc.

Range: Defined (ie. From 192.168.1.50 - .100)

Can ONLY be one service (if you have a server disable DHCP on router)

Hint: Label bottom of Router• Address: 192.168.1.1• Admin Pwd• SSID• Wireless Pwd

SwitchesDistributes Network Connections

• Switches vs. Hubs• Managed vs. UnManaged• Ports (4, 5, 8, 16, 24, 48 ports)• Speed ( 10/100 or 10/100/1000 gb)

Cable

• Cat5 (only 10/100)

• Cat5e ( 1000gb up to 200ft)

• Cat6 ( 100gb up to 300ft )

http://www.Cablesforless.com

Wireless Access Point (WAP)• Attached to Switch• Looks like a Router but is NOT• Has 1 Network port for connection to switch• Setup for Wireless only

SSIDWireless Security

Cable/DSL Modem

Firewall/Wireless Router

Private LAN

Switch

Basic Network Layout

• Use Workgroup Laser Printers over Dedicated

• Duplex, Color, Network Copier etc..

• Workgroup Printer Network setup

• Setup with “Static IP#” out of DHCP range

Network Printers

Laser3-5 cents

Inkjet10-35 cents

Networkedcopier

<2 cents

Colorlaser

7-9 cents

Source: http://www.jeffersondavis.k12.ms.us/Departments/InformationTechnology/FAQs/tabid/72/Default.aspxaccessed on 8/9/2007.

Printers

Print Servers

HP Jetdirect VS. Others

Network a non-network printer

NAS DevicesUsed For Network File Sharing

• Inexpensive alternative to Server• Reliable• Fairly easy to setup• User Securities• Fast

Cloud File Sharing

File Sharing and Backup from a Hosted Server• Amazon Jungle Disk• Mozy Pro• Ibackup

Great for “fragmented” org’s

Can be slow due to down/up load times

Best Source for Professional Reviews:

Best Source for User Reviews and Purchasing:

Mark ShawConsulting Manager

MNA / Npower Michigan

mark@npowermichigan.org

The End