Refer to the following recommended sources for further technical information about the switching concepts presented here:
Cisco Internetwork Troubleshooting , by Dan Farkas and Laura Chappell, Cisco Press, ISBN
Building Cisco Multilayer Switched Networks , edited by Karen Webb, Cisco Press, ISBN
Inside Cisco IOS Software Architecture , by Curtis Murphy, Russ White, and Vijay Bollapragada, Cisco Press, ISBN