HANDS-ON:
X.25

All participants receive a free X.25 protocol reference guide


A two day practical course

Language: English

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COURSE DESCRIPTION
This course will provide students with practical knowledge of X.25.
You will learn the theoretical aspects of X.25 by decoding and interpreting X.25 frames and packets using a Protocol Analyzer.
You will get familiar with the X.3,X.28,X.29 definitions by configuring X.25 PADs and X.25 Switches.
After completing this course you will be able to understand the public X.25 network ,the pricing which is involved,the papers you have to fill out to get a connection and compare the costs involved with X.25 transmission ,ISDN,Leased Line Transmissions and P.S.T.N

WHAT YOU WILL LEARN:
Explain the X.25 packet frame and physical layer protocols.
Use a protocol analyzer to understand X.25 at the Frame and Packet Level
How to configure a PAD or X.25 node.
Troubleshoot and diagnose problems on your X.25 network.
Compare X.25 and Frame Relay.

WHO SHOULD ATTEND
Field Service Engineers,Technical Support Personel,Systems Integrators,Sales Support personel,Product
Managers and anyone who's responsible for planning, designing, proposing, evaluating, implementing and/or operating packet data systems using X.25 protocols


OUTLINES

DATA NETWORK:
  • Evolution
  • Types of Networks
  • Public DataNetwork
  • Network Level Switching
  • Circuit & Packet Switching

PACKET SWITCHING NETWORK:

  • Pad, Switch & Routing
  • Interface & Protocol: X.3,X.28,X.29,X.121
  • Networks build with Switches
  • SVC Routing

X.25,ISO and CCITT:

  • ISO 7 layer
  • X.25 CCITT
  • X.25 History
  • X.32 CCITT

X.25 PHYSICAL LAYER:

  • X.21 bis or RS 232
  • RS 449
  • V.35

X.25 DATA LINK LAYER:

  • Definition of a Data Link Layer
  • Functions of a Data Link Protocol
  • LAPB Overview
  • HDLC Frame Structure
  • Level 2 Parameters K,T1,T3,...
  • Modulo 8/128 · Information - Supervisory Frames
  • Un-Numbered Frames
  • Addressing Conventions
X.25 PACKET SYSTEM CONCEPTS:
  • Virtual Circuits · Permanent Virtual Circuits
  • Switched Virtual Circuits
  • X.25 Logical Channels

X.25 PACKET LAYER:

Definition of a Packet Layer

Functions of a Packet Layer

Level 3 packet Formats:

  • Call Request
  • Call Accept
  • Data Packet
  • Other X.25 Packet Types

    • -Flow Control Packets
    -Interrupt Packets
    -Reset ans Restart Packets Facilities
    -Reverse Charging
    -Hunt Group
    -Call Redirection

X.75 The International Protocol:

  • Introduction to X.75
  • X.75 Packet Types DCS:-The Belgian Public Data Network
  • Structure: X.25 access,async.access,...
  • Services
  • Pricing Format
  • Request Form
  • Comparing ISDN, Leased Line and PSTN with DCS

X.25 and Frame Relay:

  • Definition Frame Relay
  • Comparisons with X.25
  • The Future of X.25

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FDDI Institute
De Regenboog 11 - 2800 Mechelen - Belgium - Europe
Tel 32 15 24 50 58 - Fax 32 15 25 10 50