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Learn Windows XP Professional in 15 Minutes a Week: Troubleshooting TCP/IP in Windows XP Professional – Part 2

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by Jason Zandri

Welcome to
this week’s installment of Learn Windows XP Professional in
15 minutes a week, the 14th in this series. This article
will continue covering the TCP/IP Protocol within Windows XP
Professional and will specifically focus on troubleshooting the network protocol under Windows XP

Jason Zandri’s latest article in the Learning Windows XP Professional in 15 Minutes a Week series continues a discussion on the TCP/IP Protocol within Windows XP Professional and specifically addresses troubleshooting the network protocol.

Internet Protocol Addressing Overview

Transmission Control Protocol/Internet Protocol is a network
communication protocol. It can be used as a communications
protocol on private networks and is the default protocol
in use on the internet. When you set up any system to have
direct access to the Internet, whether it is via dial-up or
one of the high speed technologies in use today, your system
will need to utilize the TCP/IP protocol (whether it is a
Windows-based system or not).

Also, if the given system needs to communicate with other
TCP/IP systems on the local LAN or WAN, it will need to
utilize the TCP/IP protocol as well.

This is just a basic overview of TCP/IP, and I didn’t want to get too involved
with it within this article. There is bountiful
information on TCP/IP all over the internet and before
pouring through the RFCs I would first suggest you try these two resources —
Frequently Asked Questions

TCP/IP Protocol Suite – Questions & Answers

I have gone into a more detailed
overview of the TCP/IP Protocol in

an article
from a couple of weeks ago, which covered the four-layer conceptual model
of TCP/IP and how the model stacks up against the seven layer Open
System Interconnection (OSI) protocol model. I also detailed administering

TCP/IP Addressing in Windows XP Professional
two weeks ago.

Last week was the

first part of troubleshooting TCP/IP,
which covered the
main programs native to Windows XP Professional available for
use in helping to troubleshoot TCP/IP.

TCP/IP Troubleshooting Continued

Windows XP
Professional offers several native programs for use in troubleshooting TCP/IP. These tools were discussed in greater
detail last week; as an overview, they are:

Ping Ping can be used to test
your TCP/IP connection by sending a message to the
remote node or gateway from a local system.
ARP Displays and modifies
the IP-to-Physical address translation tables used by
address resolution protocol (ARP).
Ipconfig The ipconfig command is
used to get the local system’s basic IP configuration
information, including the IP address, subnet mask, and
default gateway.
Nbtstat NetBT Statistics (Nbtstat.exe)
is used for troubleshooting network NetBIOS names over
TCP/IP (NetBT) resolution problems from the command
line. It displays protocol statistics and current TCP/IP
connections that are using NetBT.
Netstat Netstat (Netstat.exe)
displays TCP/IP protocol statistics and active
connections to and from your computer from the command
line. It also provides an option to display the number
of bytes sent and received, as well as network packets
dropped (if any).
Route The
Route command-line tool is used to display the current
IP routing table and add or delete IP routes.
Hostname Returns the local
computer’s host name for authentication by the Remote
Copy Protocol (RCP), Remote Shell (RSH), and Remote
Execution (REXEC) tools.
Tracert Tracert is sometimes
used to verify that IP addressing has been correctly
configured on a client. It will basically show the route
taken to reach a remote system. 
PathPing Pathping also shows the
route taken to reach a remote system as does TRACERT, but
PATHPING does so with more detail and allows for more
functionality as well.

There are
additional tools that can be used to test TCP/IP
connectivity. These are standard use tools for the TCP/IP
protocol. The first tool we’ll look at is the File Transfer Protocol, or FTP.

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