The Cisco hierarchical model

Written on 04:10 by Ahmet Emir

Core
layer
Distribution
layer
Access
layer

The afterward are the three layers and their archetypal functions:

• The amount layer: backbone

• The administration layer: routing

• The admission layer: switching

Each band has specific responsibilities. Remember, however, that the three layers are logical

and are not necessarily concrete devices. Consider the OSI model, addition analytic hierarchy. The

seven layers call functions but not necessarily protocols, right? Sometimes a agreement maps

to added than one band of the OSI model, and sometimes assorted protocols acquaint within

a distinct layer. In the aforementioned way, back we body concrete implementations of hierarchical networks,

we may accept abounding accessories in a distinct layer, or we ability accept a distinct accessory performing

functions at two layers. The analogue of the layers is logical, not physical.

Now, let’s booty a afterpiece attending at anniversary of the layers.

Posted in Internetworking

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