Chapter 33 Configuring Etherchannels And Link-State Tracking; Understanding Etherchannels - Cisco IE 3000 Software Configuration Manual

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Configuring EtherChannels and Link-State

This chapter describes how to configure EtherChannels on Layer 2 ports on the IE 3000 switch.

EtherChannel provides fault-tolerant high-speed links between switches, routers, and servers. You can

use it to increase the bandwidth between the wiring closets and the data center, and you can deploy it

anywhere in the network where bottlenecks are likely to occur. EtherChannel provides automatic

recovery for the loss of a link by redistributing the load across the remaining links. If a link fails,

EtherChannel redirects traffic from the failed link to the remaining links in the channel without

intervention. This chapter also describes how to configure link-state tracking.

For complete syntax and usage information for the commands used in this chapter, see the command

reference for this release.

This chapter consists of these sections:

These sections describe how EtherChannels work:

Understanding EtherChannels, page 33-1

Configuring EtherChannels, page 33-8

Displaying EtherChannel, PAgP, and LACP Status, page 33-16

Understanding Link-State Tracking, page 33-17

Configuring Link-State Tracking, page 33-19

EtherChannel Overview, page 33-2

Port-Channel Interfaces, page 33-3

Port Aggregation Protocol, page 33-4

Link Aggregation Control Protocol, page 33-5

EtherChannel On Mode, page 33-6

Load Balancing and Forwarding Methods, page 33-6

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Cisco IE 3000 Switch Software Configuration Guide

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