'Arp address resolution protocol' diaporamas de présentation

Switching in LANs

845 views • 66 slides

Link layer, LAN s: outline

5.1 introduction, services 5.2 error detection, correction 5.3 multiple access protocols 5.4 LANs addressing, ARP Ethernet s witches VLANS PPP. Link layer, LAN s: outline. MAC addresses and ARP. 32-bit IP address: network-layer address for interface

586 views • 46 slides

554 views • 45 slides

Networks and Protocols CE00997-3

560 views • 42 slides

Final Exam

Final Exam. Coverage and distribution of marks. Note . Wireless Networking is not going to be included in the Final Exam. Types of Questions. Define terms, identify technologies, explain purpose Explain concepts and protocols Using diagrams (label them properly)

533 views • 40 slides

??? ???

??? ???. 2002 ? 2??. Acknowledgement. Some figures and texts are from: Govindan Kurose Peterson & Davie Huitema Halabi Retana, Slice & White. Internetworking. Outline Best Effort Service Model Global Addressing Scheme. Network 1 (Ethernet). H7. R3. H8. H1. H8. H2. H1. H3.

522 views • 39 slides

Wireless Sensor Networks 25th Lecture 13.02.2007

Wireless Sensor Networks 25th Lecture 13.02.2007. Christian Schindelhauer. Final Meeting (before the exams). Meeting Point: Waldkirch, main station Date: Tuesday 27.02.2006 14:01 (Train departs Freiburg main station at 13:40). Plan Hike the Kastelburg Picknick BYOF Order drinks on-line

431 views • 30 slides

IP topics

CS4550 Computer Networks II IP : internet protocol, part 1: history, basic function, names and addresses, ARP read Feit chapter 5 to 8. brief history (1) basic function (1) names and addresses (1) packet format (2) packet routing, routing tables (2)

392 views • 27 slides

414 views • 26 slides

Foundations of Network and Computer Security

Foundations of Network and Computer Security. J ohn Black. CSCI 6268/TLEN 5550, Spring 2014. The Big (Partial) Picture. Second-Level Protocols. SSH, SSL/TLS, IPSec Electronic Cash, Electronic Voting. (Can do proofs). First-Level Protocols. Symmetric Encryption. Asymmetric Encryption.

310 views • 22 slides

Foundations of Network and Computer Security

Foundations of Network and Computer Security. J ohn Black Lecture #19 Oct 14 th 2009. CSCI 6268/TLEN 5550, Fall 2009. Sending a UDP packet. Assume IPv4 Get IP address via DNS Domain Name Service Distributed database mapping textual names to IP addresses Insecure DNS spoofing

293 views • 21 slides

Network Debugging

Network Debugging. Organizational Communications and Technologies Prithvi Rao H. John Heinz III School of Public Policy and Management Carnegie Mellon University. Objectives. Present some examples of debugging tools. Readings.

321 views • 20 slides

Network Seminar.

312 views • 19 slides

Data Link Layer: Overview; Error Detection

383 views • 16 slides

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?

449 views • 15 slides

Internet: network nodes

Internet: network nodes. Host: any computer executing protocol. Hub: repeats signal heard one each port to all ports. Bridge: understands physical layer addresses, MAC addresses, and learns where each device is located. It listens to all traffic on LAN. If it finds that packet should

250 views • 14 slides

ARP & RARP

ARP & RARP. 2005. 3. 16( ? ) ? ? ? icebyung@mclab.hufs.ac.kr. When an Ethernet frame is sent from one host on the LAN to another The device driver never looks at the destination address in the IP datagram Address resolution need to map IP address to MAC address

557 views • 9 slides

LAN technologies

LAN technologies. Data link layer so far: services, error detection/correction, multiple access Next: LAN technologies addressing Ethernet hubs, bridges, switches 802.11 PPP ATM. LAN Addresses and ARP. 32-bit IP address: network-layer address

196 views • 9 slides

Outline

Outline. understand principles behind data link layer services: error detection, correction sharing a broadcast channel: multiple access link layer addressing ARP RARP. 1A-2F-BB-76-09-AD. LAN (wired or wireless). 71-65-F7-2B-08-53. 58-23-D7-FA-20-B0. 0C-C4-11-6F-E3-98.

142 views • 8 slides

Broadcasting

Broadcasting. Chap 20. Introduction. Use of broadcasting to know server address on the local subnet: resource discovery to minimize network traffic on a LAN Internet applications ARP(Address Resolution Protocol) BOOTP(Bootstrap Protocol) NTP(Network Time Protocol)

223 views • 6 slides