CCIE Security Exam Certification Guide

Requirements for FastEther Channel

• All ports part of FEC must be set to the same speed.

• All ports must belong to the same VLAN.

• Duplex must be the same (half or full), not a mixture.

• Up to eight ports can be bundled together.

• To set FastEther channel on a switch, the CatOS syntax is set port channel.

• To set FastEther channel on a router, the IOS syntax is channel-group under the Fast Ethernet interface.

Table 2-19. The States of Spanning Tree

Bridge Port State	Description
Disabled	The port is not participating in spanning tree and is not active.
Listening	The port has received data from the interface and will listen for frames. In this state, the bridge receives only data but does not forward any frames to the interface or to other ports.
Learning	In this ...