Configuring Layer 2 Ethernet Interfaces - Cisco Catalyst 4500 series Administration Manual

Configuring Layer 2 Ethernet Interfaces

This chapter describes how to use the command-line interface (CLI) to configure Fast Ethernet and
Gigabit Ethernet interfaces for Layer 2 switching on Catalyst 4500 series switches. It also provides
guidelines, procedures, and configuration examples. The configuration tasks in this chapter apply to Fast
Ethernet and Gigabit Ethernet interfaces on any module, including the uplink ports on the supervisor
engine.
This chapter includes the following major sections:
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To configure Layer 3 interfaces, see
Note
For complete syntax and usage information for the switch commands used in this chapter, see the Cisco
Note
Catalyst 4500 Series Switch Command Reference and related publications at this location:
http://www.cisco.com/en/US/products/hw/switches/ps4324/index.html
If a command is not in the Catalyst 4500 Series Switch Command Reference, you can locate it in the
Cisco IOS library. See the Cisco IOS Command Reference and related publications at this location:
http://www.cisco.com/en/US/products/ps6350/index.html
About Layer 2 Ethernet Switching
The following sections describe how Layer 2 Ethernet switching works on Catalyst 4500 series switches:
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OL_28731-01
About Layer 2 Ethernet Switching, page 18-1
Default Layer 2 Ethernet Interface Configuration, page 18-4
Layer 2 Interface Configuration Guidelines and Restrictions, page 18-4
Configuring Ethernet Interfaces for Layer 2 Switching, page 18-5
Layer 2 Ethernet Switching, page 18-2
VLAN Trunks, page 18-3
Layer 2 Interface Modes, page 18-3
C H A P T E R
Chapter 34, "Configuring Layer 3 Interfaces."
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
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18-1