Configuring Layer 2 Etherchannels - Cisco WS-C3550-12G Software Configuration Manual

Multilayer switch

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Configuring EtherChannel

Configuring Layer 2 EtherChannels

You configure Layer 2 EtherChannels by configuring the Ethernet interfaces with the channel-group

interface configuration command, which creates the port-channel logical interface.

Layer 2 interfaces must be connected and functioning for IOS to create port-channel interfaces for

Layer 2 EtherChannels.

Beginning in privileged EXEC mode, follow these steps to assign a Layer 2 Ethernet interface to a

Layer 2 EtherChannel:

configure terminal

interface interface-id

switchport mode {access | trunk}

switchport access vlan vlan-id

Enter global configuration mode.

Enter interface configuration mode, and specify a physical

interface to configure.

Valid interfaces include physical interfaces.

Up to eight interfaces of the same type and speed can be

configured for the same group.

Assign all interfaces as static-access ports in the same VLAN, or

configure them as trunks.

If you configure the interface as a static-access port, assign it to

only one VLAN. The range is 1 to 1005.

Catalyst 3550 Multilayer Switch Software Configuration Guide

Configuring EtherChannel

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