- Cisco ASR 901 Series Manual

CHAPTER

9-1

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

OL-23826-09

Configuring EtherChannels

This chapter describes how to configure EtherChannels on the Cisco ASR 901 router Layer 2 or Layer 3

LAN ports.

Contents

• Understanding How EtherChannels Work, page 9-1

• EtherChannel Configuration Guidelines and Restrictions, page 9-4

• Configuring Etherchannels, page 9-5

• EVC On Port-Channel, page 9-10

Understanding How EtherChannels Work

This section contains the following topics:

• EtherChannel Feature Overview, page 9-1

• Understanding How EtherChannels Are Configured, page 9-2

• Understanding Port-Channel Interfaces, page 9-4

• Understanding Load Balancing, page 9-4

EtherChannel Feature Overview

An EtherChannel bundles individual Ethernet links into a single logical link that provides the aggregate

bandwidth of up to eight physical links.

The Cisco ASR 901 router supports a maximum of eight EtherChannels with a maximum eight member

links in each EtherChannel.

You can form an EtherChannel with up to eight compatibly configured LAN ports in a Cisco ASR 901.

All LAN ports in each EtherChannel must be of the same speed and must all be configured as Layer 2

LAN ports.

Note The network device to which a Cisco ASR 901 is connected may impose its own limits on the number

of ports in an EtherChannel.