It provides configuration guidelines for switching paths and tuning guidelines. For documentation of switching commands used in this chapter, refer to the Cisco IOS Switching Services Command Reference . To find documentation of other commands, you can use the master indexes or search online. Fast Switching Configuration Task List Fast switching allows higher throughput by switching a packet using a cache created by the initial packet sent to a particular destination. Destination addresses are stored in the high-speed cache to expedite forwarding.
Routers offer better packet-transfer performance when fast switching is enabled.
Fast switching is enabled by default on all interfaces that support fast-switching. Use the commands in these sections to configure appropriate fast-switching features. Enable AppleTalk Fast Switching AppleTalk access lists are automatically fast switched. Access list fast switching improves the performance of AppleTalk traffic when access lists are defined on an interface. Enable IP Fast Switching Fast switching involves the use of a high-speed switching cache for IP routing.