Réseaux - La synthèse

During this training, you will acquire solid skills in the field of networks. Its approach makes it possible to focus on all the important points of today's and tomorrow's networks. It will give you in a minimum of time a precise and complete global vision of the different technologies and the different protocols used in the networks. Its educational approach will allow you to quickly understand corporate networks, service providers, network management, their security and their evolution.




  • • Professionals wishing to understand the structure of data networks and transmission in LAN and WAN networks through a practical approach
  • • Technicians, network administrators, PC specialists needing a global vision of network technologies through implementations
  • • Project manager or developer having to collaborate with network technicians
  • • Anyone wishing to have a global and synthetic vision of networks




  • • Have a solid foundation to start in the network world
  • • Knowing how to prioritize the important points of today's and tomorrow's networks
  • • Understand the offers of the different market operators
  • • Measure the issues relating to security and availability aspects


Detailled program

Local networks

  • Local networks
  • The main organizations
  • Usual networks
  • Classification of networks
  • The OSI model
  • The different components of a network


  • CSMA / CD Access Method
  • MAC addresses
  • The different topologies
  • Connectors and wiring
  • The format of Ethernet II and 802.2, 802.3 frames


  • Ethernet extensions
  • The bypasses
  • Spanning tree: STP, PVST, RSTP, MSTP, PVRST
  • Level II switching
  • VLANs
  • The 802.1q standard
  • Switching levels 3 and 4

ATM, XDSL and LRE technologies

  • ATM network: Presentation, ATM structure, virtual circuits, switching, AAL, classes of service, ATM and IP
  • xDSL: Principles, families, ADSL, SDSL, components, PPoA and PPPoE
  • LRE: Principles and components

WiFi networks

  • Presentation
  • Wireless networks
  • Wireless Area Network (WLAN)
  • The different topologies
  • The importance of SSID
  • WLAN extensions
  • Switching methods
  • Associated standards
  • Security: WEP, WPA, WPA2, EAP and RADIUS keys

Wide area networks

  • Definitions
  • HDLC protocol
  • The switched telephone network (PSTN)
  • The Integrated Services Digital Network (ISDN)
  • The PPP protocol, its structure, PAP, CHAP, OTP ...

Routing and MPLS

  • Routing overview
  • Routing operation and limitation
  • Introducing MPLS
  • MPLS mechanisms (VRF, Security, QoS)

BGP networks

  • Presentation
  • Structure
  • Operation
  • Limitations

Voice over IP (VOIP)

  • Presentation
  • Voice digitization and codecs
  • VoIP and Jitter Constraints
  • RTP / RTCP
  • Protocols: H323 / SIP / MGCP

IP telephony (TOIP)

  • Presentation
  • Components
  • FXS / FXO
  • ISDN
  • QSIG
  • Gateways
  • Topologies

Quality of service (QoS)

  • Definitions
  • Congestion mechanisms
  • The causes of congestion
  • The different models of QoS
  • Classification and marking: 802.1p vs CoS, IP precedence vs DSCP, EXP MPLS ...
  • Integrated Services Model: RSVP, COPS
  • Differentiated Services Model: IP Precedence, DSCP
  • The different queue management modes: FIFO, PQ, CQ, WFQ, LLQ, CBWFQ
  • Congestion prevention: RED, WRED
  • Policing and shaping
  • CoS, DSCP, MPLS, BGP integration


  • Presentation
  • Principles
  • Addressing
  • IGMP
  • Routing
  • Routing protocols: PIM SM, DM and SSM, MOSPF, DVMRP, MBGP

Network management

  • Presentation
  • Network administration functions
  • Hardware analyzers
  • Network traffic analyzers
  • SNMP

Network security

  • The basics of network security
  • Main network attacks
  • Elements of network security: firewalls, proxies, probes, correlation tools ...
  • Address translation: PAT, NAT and SATVPN / VPDN
  • Main protocols: GRE, L2TP, PPTP and IPSec

Réseaux - La synthèse

Interrested by this training ? Please contact us for more details.