CCNA 1 v3.1 Module 11
TCP/IP Transport and
Application Layers
© 2004, Cisco Systems, Inc. All rights reserved.
1
Purpose of This PowerPoint
• This PowerPoint primarily consists of the Target
Indicators (TIs) of this module in CCNA version
3.1.
• It was created to give instructors a PowerPoint to
take and modify as their own.
• This PowerPoint is:
NOT a study guide for the module final assessment.
NOT a study guide for the CCNA certification exam.
• Please report any mistakes you find in this
PowerPoint by using the Academy Connection
Help link.
© 2004, Cisco Systems, Inc. All rights reserved.
2
To Locate Instructional Resource
Materials on Academy Connection:
• Go to the Community FTP Center to locate
materials created by the instructor community
• Go to the Tools section
• Go to the Alpha Preview section
• Go to the Community link under Resources
• See the resources available on the Class home
page for classes you are offering
• Search http://www.cisco.com
• Contact your parent academy!
© 2004, Cisco Systems, Inc. All rights reserved.
3
Objectives
© 2004, Cisco Systems, Inc. All rights reserved.
4
Transport Layer
© 2004, Cisco Systems, Inc. All rights reserved.
5
Transport Layer Analogies
© 2004, Cisco Systems, Inc. All rights reserved.
6
Flow Control
© 2004, Cisco Systems, Inc. All rights reserved.
7
Multiplexing of Upper-Layer Conversations
© 2004, Cisco Systems, Inc. All rights reserved.
8
Establishing a Connection with a Peer
System
© 2004, Cisco Systems, Inc. All rights reserved.
9
Session Maintenance and Termination
© 2004, Cisco Systems, Inc. All rights reserved.
10
Three-Way Handshake
© 2004, Cisco Systems, Inc. All rights reserved.
11
TCP Basic Window
© 2004, Cisco Systems, Inc. All rights reserved.
12
TCP Sliding Window
© 2004, Cisco Systems, Inc. All rights reserved.
13
TCP Sliding Window
© 2004, Cisco Systems, Inc. All rights reserved.
14
TCP Sequence and Acknowledgement
© 2004, Cisco Systems, Inc. All rights reserved.
15
TCP Segment Format
© 2004, Cisco Systems, Inc. All rights reserved.
16
UDP Segment Format
© 2004, Cisco Systems, Inc. All rights reserved.
17
TCP and UDP Port Numbers
© 2004, Cisco Systems, Inc. All rights reserved.
18
Application Layer
© 2004, Cisco Systems, Inc. All rights reserved.
19
Application Layer
© 2004, Cisco Systems, Inc. All rights reserved.
20
FTP Application
© 2004, Cisco Systems, Inc. All rights reserved.
21
URL
© 2004, Cisco Systems, Inc. All rights reserved.
22
E-mail Message Path
© 2004, Cisco Systems, Inc. All rights reserved.
23
SNMP
© 2004, Cisco Systems, Inc. All rights reserved.
24
Telnet
© 2004, Cisco Systems, Inc. All rights reserved.
25
Summary
© 2004, Cisco Systems, Inc. All rights reserved.
26