Understanding How Layer 2 Switching Works; Understanding Layer 2 Ethernet Switching; Configuring Lan Ports For Layer 2 Switching - Cisco 6500 Series Software Configuration Manual

Configuring LAN Ports for Layer 2 Switching

This chapter describes how to use the command-line interface (CLI) to configure Ethernet, Fast Ethernet,
Gigabit Ethernet, and 10-Gigabit Ethernet LAN ports for Layer 2 switching on the Catalyst 6500 series
switches. The configuration tasks in this chapter apply to LAN ports on LAN switching modules and to
the LAN ports on the supervisor engine.
For complete syntax and usage information for the commands used in this chapter, refer to the
Note
Catalyst 6500 Series Switch Cisco IOS Command Reference publication.
This chapter consists of these sections:
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Note To configure Layer 3 interfaces, see

Understanding How Layer 2 Switching Works

These sections describe how Layer 2 switching works on the Catalyst 6500 series switches:
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Understanding Layer 2 Ethernet Switching

These sections describe Layer 2 Ethernet switching:
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Understanding How Layer 2 Switching Works, page 7-1
Default Layer 2 LAN Interface Configuration, page 7-5
Layer 2 LAN Interface Configuration Guidelines and Restrictions, page 7-6
Configuring LAN Interfaces for Layer 2 Switching, page 7-7
Understanding Layer 2 Ethernet Switching, page 7-1
Understanding VLAN Trunks, page 7-2
Layer 2 LAN Port Modes, page 7-4
Layer 2 Ethernet Switching Overview, page 7-2
Switching Frames Between Segments, page 7-2
Building the Address Table, page 7-2
Catalyst 6500 Series Switch Cisco IOS Software Configuration Guide—Release 12.1 E
C H A P T E R
Chapter 12, "Configuring Layer 3 Interfaces."
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7-1