Networking basics level 1

Networking Basics Level www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Schedule Time Activity 9:00am ‐ 9:30am Introductions and Class Objectives 9:30am – 10:30am Basic Networking Terms, Networking Components and Functions, OSI Model and TCP/IP Model and Basic  Topologies 10:30am – 10:45am Break 10:45am – 11:45am Types of Cabling/Cabling Ends, Cabling Do's and Don'ts, Creating Cable Exercise and Cable Testing 11:45am ‐ 1:00pm Lunch 1:00pm – 1:45pm Network Planning, Logical and Physical Diagrams 1:45pm ‐ 2:30pm Logical and Physical Diagrams Exercises 2:30pm – 3:00pm Build a network in class Exercise 3:00pm – 3:15pm Break 3:15pm – 3:45pm Network Addresses (define and function), Quick Troubleshooting and Monitoring Your Network 3:45pm – 4:00pm Class Review and Evaluations www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Objectives • Define and differentiate between common network terminology • Describe the general concepts behind each layer of the OSI networking models • Recognize by sight or definition various network components such as routers, switches, network interface cards, hubs, and patch panels • Explain the basics of network cabling including standards, protocols, testing and cable composition www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Objectives • Examine network planning topics including logical and physical diagrams as well as equipment management • Describe how to establish a baseline and document the performance of a network • Define basic troubleshooting strategies www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Exercises Cabling Cable Management Diagramming Lab Setup www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Common Terminology Bandwidth TCP/IP Scalability Protocols MAC Address www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Great networking resources www.cisco.com www.learn-networking.com www.brainbell.com www.networkdictionary.com www.windowsnetworking.com www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri OSI Model and James Bond 7th Floor Bond gets secret message from Number One Application 6th Floor Message is translated, encrypted and miniaturized Presentation 5th Floor Security checks message, adds checkpoints to ensure the Embassy receives whole message Session 4th Floor Message is analyzed, combined if necessary and broken into smaller pieces Transport 3rd Floor Personnel check the message, determine the addressee, indicate fastest route to Embassy Network 2nd Floor Message placed in special packet, contains message, sender and destination ID Data Link 1st Floor Q has prepared the Aston Martin for the trip to the US Embassy Physical Source: http://www.lewistech.com/rlewis/Resources/JamesBondOSI2.aspx www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri TCP/IP Model Application Troubleshooting, file sharing, internet Transport Flow control, error control Internet IP addressing and routing of network traffic Network Access Interfaces with the physical network www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri LAN’s and WAN’s • Each have a specific purpose • Which apply to you or have you used? www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Logical Address - IP Address Unique to each device Four bit octets 32 binary digits Assigned by ARIN 198.163.36.2 11000110.10100011.00100100.00000010 www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri IP Addresses Classes Public vs Private Static vs Dynamic www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri IP Address Classes www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri IP Address Breakdown 198.163.36.2 Network Portion Host To what class does this IP belong? www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Public and Private IP Addresses Address Class # of Networks  Reserved Network  Addresses A  10.0.0.0 B 16 172.16.0.0 ‐ 172.31.0.0 C 26 192.168.0.0 ‐ 192.168.255.0 • Private addresses are used internally • Can be used by multiple organizations • Only visible by the local network • Loopback address 127.0.0.0 – Class A • Network Address Translation (NAT) www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Static Dynamic • Manually configure IP, subnet mask and default gateway • Use for printers, servers and access points • Better control of network • Time consuming • Keep a list of all IP’s • Dynamic Host Configuration Protocol (DHCP) • Automatic assignment of IP’s • Great for large networks • Less network support • Less complicated www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri DHCP • Configure settings in TCP/IP properties • Can manually enter IP’s • DHCP Exercise www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Subnets and Subnet Masks • Manageable pieces • Relieves congestion • Logical division of your network • Can add a layer of security • MOREnet Consultants can help www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Default Gateway • Connects a local network to the Internet • Address of the router that takes you to the Internet • Could be IP address of the proxy server (device that takes you to the Internet www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Domain Name Service (DNS) • Associates a name with an IP address • Hosts can requests an IP address of a server by name • Example: www.cisco.com • Recursive – finding a website www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Ports Port numbers identifies services requested Example: a message contains a destination and source port Port 20 21 23 25 53 67 68 69 80 110 137 143 161 443 Description FTP (File Transfer Protocol) ‐ data transfer FTP (File Transfer Protocol) ‐ connection/control TELNET ‐ text communications SMTP (Simple Mail Transfer Protocol) ‐ email routing DNS (Domain Name Service) ‐ associates names to IP addresses DHCP (Dynamic Host Configuration Protocol) ‐ client DHCP (Dynamic Host Configuration Protocol) ‐ server TFTP (Trivial File Transfer Protocol) ‐ simple FTP HTTP (Hypertext Transfer Protocol) ‐ communications over the web POP3 (Post Office Protocol version 3) ‐ retrieves email from a remote  server NBNS (NetBIOS Name Service‐ Microsoft) ‐ allows applications to  communicate IMAP4 (Internet Message Access Protocol ‐ version 4) ‐ email retrieval SNMP (Simple Network Management Protocol) ‐ monitors network  devices HTTPS (Hypertext Transfer Protocol Secure) ‐ adds encryption layer www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Finding Important Numbers XP Vista www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Troubleshooting and Monitoring Your Network Simple things first Knowledgebase Available at MyMOREnet RADAR NETFLOW www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Class Review and Evaluations www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Thank You! Brad Meyerhoff Technical Trainer MOREnet meyerhoffb@more.net www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri [...]... Pair 2 Pair 1 Pair 3 Pair 4 Pair 2 Pair 1 Pair 4 Graphic Map 1 2 3 4 5 6 7 8 T568B 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 T568A www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri UTP – Roll-Over/Console Cable Pair 3 Pair 2 Pair 1 Pair 3 Pair 4 Pair 2 Pair 1 Pair 4 Graphic Map 1 2 3 4 5 6 7 8 T568B 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4... consider for new buildings • Speed 10 00 Mbps • Maximum length 10 0 meters (328 ft) • Installation issues • RJ-45 Connector www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri UTP - Straight-Through Pair 3 Pair 2 Pair 1 Pair 3 Pair 4 Pair 2 Pair 1 Pair 4 Graphic Map 1 2 3 4 5 6 7 8 T568B 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 T568B www.more.net... • • • More shielded Harder to install More expensive Speed :10 -10 0Mbps Lengths 18 5m – 500m BNC Connector www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Fiber Optic • Multimode – 2000 meters – campus network • Speed 1- 10Gbps • Single mode – 3000 meters – campus backbones • Speed – 10 Gbps www.more.net | University of Missouri Copyright ©2008... Unshielded/Shield • Twisted pair • Used for data transmissions • Speed: 10 0Mbps • Maximum length 10 0 meters (328 ft) • RJ-45 Connector www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Category 5e Cabling • Recommended for new installations • Speeds up to 1 gigabit per second • Maximum length 10 0 meters (328 ft) • RJ-45 Connector www.more.net | University... (NIC) Allows communications over the Internet NIC Components 1 Bandwidth 2 Type of media 3 Network Architecture (needs to be compatible w/ other network components) Contains MAC address www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Server High performance computers Provides services 1 File and email storage 2 Web pages 3 Print sharing 4 Redundancy... Components Patch Panel Hub Router Workstation CSU/DSU NIC Card Switch Server www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri Patch Panels Located in networking closets Used for cable and workstation management Makes use of patch cables Can switch ports easily (testing and troubleshooting) www.more.net | University of Missouri Copyright ©2008 MOREnet...LAN – Local Area Network LAN: (Local Area Network) A computer network that spans a relatively small area utilizing high speed connections (10 Megabits or greater) Most LAN’s are confined to a single building or group of buildings www.more.net | University of Missouri Copyright ©2008 MOREnet and The Curators of the University of Missouri WAN ... Introductions and Class Objectives 9:30am – 10 :30am Basic Networking Terms, Networking Components and Functions, OSI Model and TCP/IP Model and Basic  Topologies 10 :30am – 10 :45am Break 10 :45am – 11 :45am Types of Cabling/Cabling Ends, Cabling Do's and Don'ts, Creating Cable Exercise and Cable Testing... Types of Cabling/Cabling Ends, Cabling Do's and Don'ts, Creating Cable Exercise and Cable Testing 11 :45am ‐ 1: 00pm Lunch 1: 00pm – 1: 45pm Network Planning, Logical and Physical Diagrams 1: 45pm ‐ 2:30pm Logical and Physical Diagrams Exercises... Curators of the University of Missouri Great networking resources www.cisco.com www.learn -networking. com www.brainbell.com www.networkdictionary.com www.windowsnetworking.com www.more.net | University