'Mac address' diaporamas de présentation

Chapter 2

Advanced Computer Networks. SICT 4327. Chapter 2. Switch Concepts and Configuration Part I. Lecturer: Eng . Ahmed Hemaid E-mail : ahemaid@iugaza.edu.ps Office: I 114. Switch Concepts and Configuration. Key Elements of Ethernet/802.3 LANs. CSMA/CD. Ethernet Communications.

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Barb Miller Vice President Government, Technical and Integration Services

Saving You Time, Money & Talent. Barb Miller Vice President Government, Technical and Integration Services. What Is. Capabilities. Cisco Advanced Integration Services. Sample Customer Configurations and Testimonials. What Is. Capabilities. Cisco Advanced Integration Services.

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Data Link Layer

Data Link Layer. Ethernet Bridges Token Ring. Summary of MAC protocols. What do you do with a shared media? Channel Partitioning: time, frequency or code Time Division,Code Division, Frequency Division Random partitioning (dynamic), ALOHA, S-ALOHA, CSMA, CSMA/CD

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Lecture 2 - Networking Devices

Lecture 2 - Networking Devices. Repeaters Hubs Collisions Bridges Routers. What are internetworking devices?. Internetworking devices are products used to connect networks. As computer networks grow in size and complexity, so do the internetworking devices used to connect them.

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Application

Application. Transport. Network. you are here. Link. Physical. Network host-to-host. Link node-to-node frame-by-frame. Physical node-to-node bit-by-bit. 101101001000100101010. Framing. Possible Link Layer Services. Shared Point-to-Point. Possible Link Layer Services.

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CS 640: Introduction to Computer Networks

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Fast Handoff for Seamless Wireless Mesh Networks

Fast Handoff for Seamless Wireless Mesh Networks. Yair Amir, Claudiu Danilov, Michael Hilsdale, Raluca Musaloiu-Elefteri, Nilo Rivera. Distributed Systems and Networks Lab Johns Hopkins University. MobiSys 2006. Motivation. Over 200 million 802.11 chips sold

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Application

Application. Transport. Network. you are here. Link. Physical. Network host-to-host. Link node-to-node frame-by-frame. Physical node-to-node bit-by-bit. 101101001000100101010. MAC Address. 90:AF:F4:CA:BA:03. Broadcast Address. FF:FF:FF:FF:FF:FF. Network. Link.

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Computer Networks

Computer Networks. Circuit and Packet Switching. Circuit switching Legacy phone network Single route through sequence of hardware devices established when two nodes start communication Data sent along route Route maintained until communication ends Packet switching Internet

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Any Questions?

Any Questions?. Ch 17- IP Version 6. Global Unicast Addressing, Routing, and Subnetting IPv6 Protocols and Addressing Configuring IPv6 Routing and Routing Protocols IPv6 Transition Options. Do I know this?. Go through the Quiz- 5 minutes.

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Address Resolution (ARP, RARP)

Address Resolution (ARP, RARP) Shivkumar Kalyanaraman Rensselaer Polytechnic Institute shivkuma@ecse.rpi.edu http://www.ecse.rpi.edu/Homepages/shivkuma Address resolution problem Address resolution techniques ARP protocol Proxy ARP, Reverse ARP (RARP), and Inverse ARP

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Wireless Network Security: NoCat

But you may ask, what security measures NoCat has added to our wireless network! ... Wireless Network Security: NoCat. NoCat, mainly will only give the ...

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CS 447 Networks and Data Communication

CS 447 Networks and Data Communication. ARP (Address Resolution Protocol) for the Internet. Department of Computer Science Southern Illinois University Edwardsville Fall, 2019 Dr. Hiroshi Fujinoki E-mail: hfujino@siue.edu. IP/000. Presentation Agenda. 1. What is ARP?

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Encounter Bluetooth Collection Application: 1) Classic Bluetooth:

CIS 4930/6930 , Spring 2018 Experiment 1: Encounter Tracing using Bluetooth Due Date : Feb 19, beginning of class Ph.D. student lead: Mimonah Al- Qathrady Instructor: Ahmed Helmy.

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Implementing WTRP on QNX

Implementing WTRP on QNX. Ruchira S. Datta Berkeley WOW Group. Introduction to WTRP. Medium Access Control protocol for ad-hoc wireless networks Previously developed on simulation, UDP, and Linux kernel platforms Unified codebase Protocol itself encoded in core Core uses library calls

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Requirements for 802.1AD Provider Bridges

Requirements for 802.1AD Provider Bridges. June 2003 Muneyoshi Suzuki NTT. Reference Model. User Bridged LAN. Provider Bridged Network. User Site of user A. User Site of user A. CE. PEB. PEB. CE. PCB. PCB. PCB. CE. User Site of user B. User Site of user B. CE. PEB.

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Local Area Networks

Local Area Networks. Overview of simple LANs. Networking basics: LAN. TCP/IP is the protocol used in the Internet and dominates the internet and transport layers The subnet layer -- the Local Area Network (LAN), however, uses the OSI standards, predominantly based on Ethernet technologies.

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A History of WEP

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ROUTING PROTOCOL IGRP

ROUTING PROTOCOL IGRP. REVIEW. Purpose of Router determine best path to destination pass the frames to the destination Protocols routed - used by hosts, can be directed or routed routing -used by routers, directs routed data to the destination examples - RIP, IGRP. PATH DETERMINATION.

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Race condition

Race condition. Tim Moore Microsoft. Race condition. Race condition between supplicant installing Pairwise key and Group update message 1 arriving from AP 802.1X message check in Tx pseudo code Enables 802.1X messages to be protected by Group key only. Changes.

786 views • 6 slides