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Networking Fundamentals Courses

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Fondement des
réseaux

Chapitre 4
Sonia GAIED

1ère année L. Info 2025/2026

, Les équipements d’interconnexion

Hétérogénéité des réseaux

2

, Les équipements d’interconnexion

Les équipements d’interconnexion de réseaux permettent
:

• de relier des réseaux hétérogènes (couches et protocoles différents)
• d’organiser au mieux le réseau pour une exploitation optimale (adressage des
réseaux et sous-réseaux, VLAN, proxy, ...)
• de contourner les limites techniques des architectures des réseaux
(augmentation des distances des segments physiques, changement de support
physique, ...)
• d’offrir une sécurité maximale (parefeu ou firewall, VLAN, proxy, ...)

3

, Les équipements d’interconnexion

Le répéteur (repeater)
Le concentrateur (HUB)
Le pont (Bridge )
Le routeur (router)
La passerelle (Gateway)
Le commutateur (SWITCH)
Le pare-feux (FireWall )

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Number of pages: 55
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