About Layer 2 Ethernet Switching - Cisco Catalyst 4500 Series Configuration 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, first look at
Note
the Cisco 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 the command is not found in the Catalyst 4500 Series Switch Command Reference, it will be found in
the larger Cisco IOS library. Refer to 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-25340-01
About Layer 2 Ethernet Switching, page 17-1
Default Layer 2 Ethernet Interface Configuration, page 17-4
Layer 2 Interface Configuration Guidelines and Restrictions, page 17-4
Configuring Ethernet Interfaces for Layer 2 Switching, page 17-5
Layer 2 Ethernet Switching, page 17-2
VLAN Trunks, page 17-3
Layer 2 Interface Modes, page 17-3
C H A P T E R
Chapter 32, "Configuring Layer 3 Interfaces."
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
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17-1