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Networking Fundamentals Some principles Jon Carhart.

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Presentation on theme: "Networking Fundamentals Some principles Jon Carhart."— Presentation transcript:

1 Networking Fundamentals Some principles Jon Carhart

2 What we will do(ish) …. OSI – – Physical – Data Link – Network Subnets Subnet Masks Network Configuration Encapsulation Ports and Server More for next time

3 By Yngvar [Public domain], via Wikimedia Commons

4 "ARPANET first router 2" by Steve Jurvetson from Menlo Park, USA - derived from File:ARPANET first router.jpg (mildened persective, levels, rebuilt low-right corner). Licenced under Creative Commons Attribution 2.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:ARPANET_first_router_2.jpg#mediaviewer/File:ARPANET_first_router_2.jpg

5 OSI Physical Medium WiFi\UTP Data Link Local Net Ethernet Network Routing IP Wire Switch Router

6 MAC: A1 MAC: A8 MAC: A1 MAC: A7 Router ARouter B

7

8 OSI Physical Medium WiFi\UTP Data Link Local Net Ethernet Network Routable IP Wire Switch Router

9 SUBNETS 192.168.2.X 192.168.2.7 Network Host

10 Subnet Masks 255.255.255.0 255.255.255.0 Network Host

11 Network Configuration My IP = My Subnet Mask = My MAC Address = 192.168.2.7 255.255.255.0 192.168.2.1 My Default Gateway = 00:X4:A7

12 Server001 Ports and Servers WebServer :80 192.168.4.5 :386 LDAP Server

13 Commands netstat –abn ipconfig /all telnet 127.0.0.1 80

14 Next time …. Encapsulation Address classes DNS – Domain Naming Services IPv6 OSI – Transport – Session – Presentation – Application


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