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CCIE Security Exam Certification Guide by Henry Benjamin

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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 StateDescription
DisabledThe port is not participating in spanning tree and is not active.
ListeningThe 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.
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