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E-grāmata: Ethernet Switches: An Introduction to Network Design with Switches

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  • Formāts: 80 pages
  • Izdošanas datums: 01-Apr-2013
  • Izdevniecība: O'Reilly Media
  • Valoda: eng
  • ISBN-13: 9781449367268
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  • Formāts: 80 pages
  • Izdošanas datums: 01-Apr-2013
  • Izdevniecība: O'Reilly Media
  • Valoda: eng
  • ISBN-13: 9781449367268
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If you’re ready to build a large network system, this handy excerpt from Ethernet: The Definitive Guide, Second Edition gets you up to speed on a basic building block: Ethernet switches. Whether you’re working on an enterprise or campus network, data center, or Internet service provider network, you’ll learn how Ethernet switches function and how they’re used in network designs.This brief tutorial also provides an overview of the most important features found in switches, from the basics to more advanced features found in higher-cost and specialized switches.Get an overview of basic switch operation, the spanning tree protocol, and switch performance issues Learn about switch management and some of the most widely used switch features Discover how a hierarchical design can help maintain stable network operations Delve into special-purpose switches, such as multi-layer, access, stacking, and wireless access-point switches Learn about advanced switch features designed for specific networking environments Dive deeper into switches, with a list of protocol and package documentation
Preface vii
1 Basic Switch Operation
1(22)
What an Ethernet Switch Does
1(1)
Bridges and Switches
1(1)
What Is a Switch?
2(1)
Operation of Ethernet Switches
3(1)
Transparent Bridging
4(1)
Address Learning
4(2)
Traffic Filtering
6(1)
Frame Flooding
7(1)
Broadcast and Multicast Traffic
7(2)
Combining Switches
9(1)
Forwarding Loops
9(1)
Spanning Tree Protocol
10(1)
Spanning Tree Packets
11(1)
Choosing a Root Bridge
11(1)
Choosing the Least-Cost Path
11(1)
Blocking Loop Paths
12(1)
Spanning Tree Port States
13(2)
Spanning Tree Versions
15(1)
Switch Performance Issues
16(1)
Packet Forwarding Performance
17(1)
Switch Port Memory
17(1)
Switch CPU and RAM
18(1)
Switch Specifications
18(5)
2 Basic Switch Features
23(6)
Switch Management
23(1)
Simple Network Management Protocol
24(1)
Packet Mirror Ports
24(1)
Switch Traffic Filters
24(2)
Virtual LANs
26(1)
802.1Q VLAN Standard
27(1)
Linking VLANs
27(1)
802.1Q Multiple Spanning Tree Protocol
28(1)
Quality of Service (QoS)
28(1)
3 Network Design with Ethernet Switches
29(16)
Advantages of Switches in Network Designs
29(1)
Improved Network Performance
29(2)
Switch Hierarchy and Uplink Speeds
31(1)
Uplink Speeds and Traffic Congestion
32(1)
Multiple Conversations
33(1)
Switch Traffic Bottlenecks
34(1)
Hierarchical Network Design
35(2)
Seven Hop Maximum
37(1)
Network Resiliency with Switches
38(1)
Spanning Tree and Network Resiliency
38(2)
Routers
40(1)
Operation and Use of Routers
41(1)
Routers or Bridges?
42(3)
4 Special-Purpose Switches
45(8)
Multilayer Switches
45(1)
Access Switches
46(1)
Stacking Switches
46(1)
Industrial Ethernet
47(1)
Wireless Access Point Switches
48(1)
Internet Service Provider Switches
48(1)
Metro Ethernet
49(1)
Data Center Switches
49(1)
Data Center Port Speeds
50(1)
Data Center Switch Types
50(1)
Data Center Oversubscription
50(1)
Data Center Switch Fabrics
51(1)
Data Center Switch Resiliency
52(1)
5 Advanced Switch Features
53(4)
Traffic Flow Monitoring
53(1)
sFlow and Netflow
53(1)
Power over Ethernet
54(3)
A. Resources 57(6)
Glossary 63
Charles Spurgeon is a senior technology architect at the University of Texas at Austin, where he works on a campus network system serving over 70,000 users in 200 buildings on two campuses. He has developed and managed large campus networks for many years, beginning at Stanford University, where he worked with a group that built the prototype Ethernet routers that became the founding technology for Cisco Systems. Charles, who attended Wesleyan University, lives in Austin, Texas, with his wife, Joann Zimmerman, and their cat Mona. Joann Zimmerman is a former software engineer with a doctorate in art history from the University of Texas at Austin. She has written and documented compilers, software tools and network monitoring software, and been a creator of the build and configuration management process for several companies. The author of papers in software engineering and Renaissance art history, she currently she has multiple fantasy novels in process.