The Configure, Verify, and Troubleshoot EtherChannel module provides you with the instructions and Cisco hardware to develop your hands on skills in understanding the configuration of the port link aggregation technology called EtherChannel and its related features. This module includes the following activities:

  • Configure static EtherChannel
  • Configure EtherChannel using link aggregation protocols PAgP and LACP
  • Configure Layer 3 EtherChannel

Exercise 1 - Configuring Static EtherChannel

EtherChannel is a port link aggregation technology that enables you to bundle multiple switch interfaces together to act as a single aggregate link, increasing bandwidth with the added advantage of resiliency.

In this exercise, you will learn how to configure static EtherChannel.

Exercise 2 - Configuring PAgP and LACP

In the previous exercise, you configured an EtherChannel bundle statically. It is possible to have two switches negotiate an EtherChannel configuration using link aggregation protocols such as Port Aggregation Protocol or PAgP and Link Aggregation Control Protocol or LACP.

In this exercise, you will learn how to configure both protocols to create an EtherChannel.

Exercise 3 - Configuring Layer 3 EtherChannel

Once an EtherChannel Port-Channel has been created, it is possible, just like physical interfaces, to configure it as a routable port. That is, it can be configured to have an IP address and to function just like a router interface would.

In this exercise, you will configure the EtherChannel interfaces on both NYCORE1 and NYCORE2 as Layer 3 EtherChannel interfaces.

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