June 2010
Intermediate to advanced
560 pages
14h 13m
English
book
Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Foundation learning for SWITCH 642-813
by Richard Froom, Balaji Sivasubramanian, Erum Frahim
Content preview from Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Foundation learning for SWITCH 642-813
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Chapter 3. Implementing Spanning Tree
High availability is a primary goal for enterprise networks that rely heavily on their multilayer switched network to conduct business. One method to ensure high availability is to provide Layer 2 redundancy of devices, modules, and links throughout the network. Network redundancy at Layer 2, however, introduces the potential for bridging loops, where packets loop endlessly between devices, crippling the network. The Spanning Tree Protocol identifies ...