TCP/IP Troubleshooting

Information Management Systems Inc.
Atlanta, GA, United States

Course Format: Classroom | E-learning | Virtual Class | Online | On-site | Blended | Self-paced

Course Description:

'' Network Administrators. Gain an in-depth understanding of the TCP/IP family of protocols - IP, UDP, TCP, ARP, DHCP, and ICMP are all covered in detail plus several application layer protocols such as Telnet, HTTP, DNS, SMTP and POP3, and FTP are explored at a high level. Learn expert-tested troubleshooting tools, techniques and procedures for TCP/IP networks and practice them using the Sniffer protocol analyzer.


What You Will Learn

To work through IP addressing problems
To create a simple network map given frames from the Sniffer
To identify normal, slow and problematic TCP conversations
The use of ICMP messages to isolate and describe network problems
Describe at a high level what the common application layer protocols look like on the network
Describe troubleshooting methodologies given different network problem-scenarios
TCP/IP Troubleshooting Using the Network Associates Sniffer

Audience
Network Managers and Network Installation and Maintenance personnel. Network administrators who need an understanding of the TCP/IP Family of protocols and who can benefit from troubleshooting techniques using the Sniffer for problem resolution

Prerequisites
Any of these:
Familiarity with 7-layer OSI Model .General knowledge of TCP/IP

Course Outline

Overview of the TCP/IP Family of Protocols
. Protocol Analysis
·Interconnect Devices and the Sniffer:
·Ethernet, Bridged Environment, Switched

Environment, Routed Environment

Display Option vs .Filtering

User Datagram Protocol (UDP)
·Header Structure
·UDP Ports
.·UDP Based Protocols

Transmission Control Protocol (TCP)
· Header Structure
·TCP Sessions, Sequencing and Acknowledgement Numbers, Calculating Length of Data
·TCP Window, Session Tear- Down
·TCP Code Bits, Urgent Pointer
· Excessive Retransmission
·TCP Performance Evaluation
·Troubleshooting TCP Problems

Internet Control Message Protocol (ICMP) Header Structure
·.Common ICMP Message Types: Echo Request and Echo Reply, Destination Unreachable, Time Exceeded, Redirect, Source Quench, and Router Discovery and others
·.Troubleshooting ICMP Problems

Troubleshooting Techniques
·Troubleshooting Tools: PING, ARP, IP Trace Route, netstat
·Troubleshooting Issues: DHCP, Sniffer location on network
·Troubleshooting Methodology and Problem Resolution Process
·Top Twelve Common Problems: What are they? How to resolve them?

Overview of Application Layer Protocols
·Typical Application Layer Protocols
·.Why UDP-Based Protocols?
·Troubleshooting for Application Layer
Protocols

Web Related Protocols .DNS
·HTTP
·HTTPS (Secure HTTP)

TELNET
·TELNET Flow, Commands, Options, Negotiation
·TELNET Considerations
·Alternative to TELNET

FTP and TFTP
·FTP Model, Flow, Data Connection Issues, User Issues, PORT Command, Commands, Replies
·TFTP Model, Flow, Implications, Packet Types, Frame Formats, Port Usage, Error Handling, and Issues

Mail Protocols
·SMTP: Features, Flow, Commands, Server Response Codes, Issues
·POP-3: Features, Flows, Commands and Replies, Issues
·IMAP: Features, Flow, Issues

Routing Protocols Capabilities
·Dynamic Routing Protocols
·Router Overview
·Routing Algorithms and Protocols: RIP, IGRP and EIGRP
·OSPF

This Course Includes the Following Labs:.Review of Sniffer and Layered
Communications:
·IP and Related Protocols
·IP and UPD Based Protocols
·TCP Session Analysis
·Identifying Problems through ICMP
·Troubleshooting Techniques
·Overview of the Application Layer
·Network Traffic from the WWW
·Telnet Traffic Analysis
·An Analysis of FTP and TFTP
·Mail Traffic Analysis
·Router Overview
...''

Phone:404 329-6260 or 888 812 9028

School Address:

2470 Cheshire Bridge Road
Atlanta, GA
United States - 30324
Phone : 404 329-6260 or 888 812 9028
Fax : 404 329-6365
Email : cservice@imsinc.com

Jobs & Resumes: Atlanta
Houses & Roommates: Atlanta

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