CHAPT ER
12-1
Catalyst 3750 SwitchSoftware Configuration Guide
OL-8550-09
12
Configuring Interface Characteristics
This chapter defines the types of Catalyst 3750 interfaces and describes how to configure them. Unless
otherwise noted, the term switch refers to a standalone switch and a switch stack.
Understanding Interface Types, page12-1
Using Interface Configuration Mode, page12-11
Configuring Ethernet Interfaces, page12-16
Configuring Layer 3 Interfaces, page 12-25
Configuring the System MTU, page12-28
Monitoring and Maintaining the Interfaces, page12-31
Note For complete syntax and usage information for the commands used in this chapter, see the switch
command reference for this release and the Cisco IOS Interface Command Reference, Release12.2 from
the Cisco.com page under Documentation > Cisco IOS Software Release > 12.2 Mainline >
Command References.

Understanding Interface Types

This section describes the different types of supported interfaces with references to chapters that contain
more detailed information about configuring these interfaces.
Note The stack ports on the rear of the switch are not Ethernet ports and cannot be configured.
Port-Based VLANs, page 12-2
Switch Ports, page 12-2
Routed Ports, page 12-4
Switch Virtual Interfaces, page12-5
EtherChannel Port Groups, page12-6
10-Gigabit Ethernet Interfaces, page12-6
Power over Ethernet Ports, page12-7
Connecting Interfaces, page 12-10