Cisco Catalyst 3750 Software Configuration Guide

CHAPTER
9-1
Catalyst 3750 MetroSwitch Software Configuration Guide
78-15870-01
9
Configuring Interface Characteristics
This chapter defines the types of interfaces on the Catalyst 3750 Metro switch and describes how to
configure them.
The chapter has these sections:
• Understanding Interface Types, page 9-1
• Using Interface Configuration Mode, page 9-6
• Configuring Ethernet Interfaces, page 9-11
• Configuring Layer 3 Interfaces, page 9-18
• Configuring the System MTU, page 9-19
• Monitoring and Maintaining the Interfaces, page 9-20
Note For complete syntax and usage information for the commands used in this chapter, refer to the switch
command reference for this release and the online Cisco IOS Interface Command Reference for
Release 12.1.
Understanding Interface Types
This section describes the different types of interfaces supported by the switch with references to
chapters that contain more detailed information about configuring these interface types. The rest of the
chapter describes configuration procedures for physical interface characteristics.
These sections are included:
• Port-Based VLANs, page 9-2
• Switch Ports, page 9-2
• Routed Ports, page 9-4
• Switch Virtual Interfaces, page 9-4
• EtherChannel Port Groups, page 9-5
• Connecting Interfaces, page 9-5

Cisco Catalyst 3750 Specifications

General

Device Type	Switch
Switching Capacity	32 Gbps
Forwarding Rate	38.7 Mpps
Stacking Bandwidth	32 Gbps
RAM	128 MB
Jumbo Frame Support	Yes
Switch Type	Managed
Model	Catalyst 3750 Series
Uplink Interfaces	SFP
Form Factor	Rack-mountable
MAC Address Table Size	12, 000 entries
Routing Protocol	RIP, OSPF, EIGRP
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Layer 3 switching, Layer 2 switching, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, MAC address filtering, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology
Power over Ethernet (PoE)	PoE
Operating Temperature	-5 - 45 °C
Operating Humidity	10% to 85% non-condensing