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Posts Tagged ‘switching’

CCNA 2.10: Describe the benefits of switch stacking and chassis aggregation

Overview: A switch stack is a set of up to nine Cisco EtherSwitch service modules or Catalyst 3750 switches connected through their Cisco StackWise ports. One of the Cisco EtherSwitch service modules or Catalyst 3750 switches controls the operation of the stack and is called the stack master.  It is typically used in the access […]


CCNA 2.1: Describe and verify switching concepts (MAC learning and aging, Frame switching, Frame flooding, MAC address table)

Overview: This post covers a few important switching concepts that describe how a switch operates including MAC learning and aging, frame switching, frame flooding and the MAC address table. Study Notes: 2.1.a MAC learning To switch frames between LAN ports efficiently, the switch maintains an address table called the MAC table. When the switch receives […]


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