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Studying Wide Area Networks in the Classroom

Nov 12, 2002  By Ralph Krause
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The Sangoma WAN EduKit allows one computer to emulate both sides of a WAN network, independently of other hardware.
The Sangoma WAN EduKit

Sangoma's WAN EduKit comes with a dual-CPU WAN adapter that can be installed in a standard PC. This means one computer can emulate both sides of the network independently of any other hardware.

The Sangoma WAN EduKit includes software for frame relay and X.25 protocols that run under Linux and Windows. The educational toolkit software allows the user to configure the network circuit using an interactive graphical interface. The software also allows the monitoring and emulating of WAN traffic. Full source code for the toolkit's drivers and applications is also available from Sangoma.

The monitoring application includes an extensive statistics package as well as a protocol analyzer that performs real-time line traces. This allows students to see actual WAN traffic and become familiar with its frame structure.

The toolkit also comes with a series of written lab exercises covering frame relay and X.25. Topics covered in the frame relay labs include the usage of FECN, BECN and DE bits; determining the status of a PVC; frame relay configuration; CIR usage; and frame formats. The X.25 labs cover the usage of Q-bits, D-bits and M-bits; virtual call setup and clearing; packet and window size negotiation; X.25 configuration; and HDLC frame and X.25 packet formats.

Resources

Sangoma WAN EduKit

Mancill, Tony. Linux Routers. Prentice Hall PTR, ISBN: 0-13-009026-3

Ralph Krause is a writer, programmer and webmaster who lives in Michigan.

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Good

sathishkumarjo's picture
Submitted by sathishkumarjo on Wed, 04/16/2008 - 02:47.

Explains good about WAN and protocols.. X.25 and Frame relay.
Its quite small explanation. Can be explained in details or can give some more snapshots

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