'Spanning tree algorithm' presentation slideshows

ECE544: Communication Networks-II, Spring 2010

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Spanning Tree Protocol

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Ch. 18/Mod. 7 Spanning Tree Protocol

Ch. 18/Mod. 7 Spanning Tree Protocol. CCNA 3 version 3.0. Overview. Define redundancy and its importance in networking Describe the key elements of a redundant networking topology Define broadcast storms and describe their impact on switched networks

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Internetworking Bridges Routing with Bridges *

Bridges. Internetworking Bridges Routing with Bridges *. * Reading material is EL 536 textbook (sections 14.1 and 14.2 - omit source routing; the ANSI/IEEE Std. 802.1D, 1993 edition pdf file on the EL537 web site). Introduction .

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Packet Switching

Packet Switching. Not All Networks Are Directly Connected. Outline. Switching and Forwarding Bridges and LAN Switches Cell Switching (ATM) Implementation and Performance. T3. T3. Switch. T3. T3. STS-1. STS-1. Input. Output. ports. ports. Scalable Networks. Switch

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Ethernet switches and IP routers

Ethernet switches and IP routers. Ethernet MAC address: Flat 6-byte addresses Full address match for forwarding If there is no match, forward on all interfaces as determined by state (set by spanning tree algorithm) IP address: Hierarchical 4-byte addresses Longest prefix match.

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LAN switching and Bridges

LAN switching and Bridges. CS491G: Computer Networking Lab V. Arun. Slides adapted from Liebeherr and El Zarki , and Kurose and Ross. Outline. Interconnection devices Bridges/LAN switches vs. Routers Bridges Learning Bridges Transparent bridges. Introduction .

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Implement Spanning Tree Protocols

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Switches and Bridges

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Distributed Algorithms

Distributed Algorithms. Broadcast and spanning tree. Model. Node Information: Adjacent links Neighboring nodes. Unique identity. Graph model: undirected graph. Nodes V Edges E Diameter D. Model Definition. Synchronous Model: There is a global clock.

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Ethernet (LAN switching)

Ethernet (LAN switching). Outline. Interconnection devices Bridges/LAN switches vs. Routers Bridges Learning Bridges Transparent bridges. Bridges/LAN switches. Interconnect multiple LAN, possibly with different type Bridges operate at the Data Link Layer (Layer 2)

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Bridges and spanning tree protocol

Bridges and spanning tree protocol. Reference: Mainly Peterson-Davie. Bridges. Link layer device stores and forwards Ethernet frames examines frame header and selectively forwards frame based on MAC dest address when frame is to be forwarded on segment, uses CSMA/CD to access segment

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Link Layer 2

Link Layer 2. Mozafar Bag-Mohammadi University of Ilam. A. B. B3. C. B5. D. B7. K. B2. E. F. B1. G. H. B6. B4. I. J. Spanning Tree Algorithm. Problem: loops Bridges run a distributed spanning tree algorithm select which bridges actively forward developed by Radia Perlman

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Interconnection: Switching and Bridging

Interconnection: Switching and Bridging. CS 4251: Computer Networking II Nick Feamster Spring 2008. In This Lecture. How hosts find each other on a subnet Address Resolution Protocol (ARP) Broadcast Interconnecting subnets Switches: Forwarding and filtering Self-learning bridges

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Spanning Tree Protocol (STP)

Spanning Tree Protocol (STP). Having redundancy in a network is important, and allows the network to be fault tolerant. That is, when faults occur the networking is not shut downed. However, redundant topologies that are based on on switches and bridges are susceptible to: Broadcast storms

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The Need of Spanning Tree Algorithm

The Need of Spanning Tree Algorithm. ATM is called a layer 2.5 protocol. Virtual Connections in ATM Networks. Virtual channel/circuit connections (VCC) : Basic unit of switching between two end users Virtual path connection (VPC): Bundle of VCC with same end points (e.g. company sites).

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