Chapter 10 Configuring the Ethernet Switches

How to Configure Ethernet Switches

How to Configure Ethernet Switches

See the following sections for configuration tasks for Ethernet switches.

Configuring VLANs, page 10-6

Configuring Layer 2 Interfaces, page 10-7

Configuring 802.1x Authentication, page 10-8

Configuring Spanning Tree Protocol, page 10-8

Configuring MAC Table Manipulation, page 10-9

Configuring Cisco Discovery Protocol, page 10-9

Configuring the Switched Port Analyzer, page 10-10

Configuring IP Multicast Layer 3 Switching, page 10-10

Configuring IGMP Snooping, page 10-10

Configuring Per-Port Storm Control, page 10-10

Configuring Fallback Bridging, page 10-11

Managing the Switch, page 10-12

Configuring VLANs

This section provides information on how to configure VLANs. The Cisco 819 ISRs support 2 VLANs and the Cisco 819 ISRs support 8 VLANs.

VLANs on the FE Ports, page 10-6

VLANs on the GE Port, page 10-7

VLANs on the FE Ports

Perform these steps to configure VLANs, beginning in configuration mode.

 

Command

Purpose

 

 

 

Step 1

interface fe port

Selects the Fast Ethernet port to configure.

 

 

 

Step 2

shutdown

(Optional) Shuts down the interface to prevent

 

 

traffic flow until configuration is complete.

 

 

 

 

Cisco 819 Series Integrated Services Routers Software Configuration Guide

10-6

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Cisco Systems C819GUK9, C819HG4GVK9 How to Configure Ethernet Switches, Configuring VLANs, VLANs on the FE Ports, 10-6