1. Workshop 1: Introduction to TCP/IP

2. What Is TCP/IP?
Installing and Configuring Microsoft TCP/IP
Testing Microsoft TCP/IP with IPCONFIG and PING
Microsoft Network Monitor

3. What Is TCP/IP? 1965 1970 1975 1980 1985 APANET commissioned by DOD
1969
TCP/IP
Protocol Suite
1982
FTP
1973
Telnet
1972
TCP
1974 IP
1981
DNS
1984
1965
1970
1975
1980
1985

4. Microsoft TCP/IP Industry-Standard Suite of Protocols
Routable Enterprise Networking Protocol
Technology for Connecting Dissimilar Systems
Robust, Scalable, Cross-Platform Client/Server Framework
Method for Gaining Access to the Internet

5. Troubleshooting Microsoft TCP/IP

6. Overview Identifying the Problem Source Windows Diagnostic Tools
Troubleshooting Guidelines

7. Identifying the Problem Source
Configuration
IP Addressing
Subnet Addressing
Address Resolution
NetBIOS Name Resolution
Host Name Resolution

8. The Microsoft TCP/IP Protocol Suite
Application
Windows® Sockets
Applications
NetBIOS
Applications
NetBIOS
NetBIOS over TCP/IP
Sockets
TDI
TCP
UDP
Transport IP
ICMP
IGMP
Internet
ARP
LAN Technologies:
Ethernet, Token Ring,
FDDI
WAN Technologies:
Serial Lines, Frame Relay,
ATM
Network

9. Network Interface Technologies
IP Over LAN Technologies
Ethernet
Token ring
ARCnet
FDDI
IP Over WAN Technologies
Serial lines
Packet switched networks

10. What Is an IP Address? 86 90 94
MARIA AVE

11. Network ID and Host ID w. x. y. z. 131.107.3.24 Network ID Host ID
32 Bits
w. x. y. z.
Example:
Class B

12. Assigning Network IDs
Router 1 2 3
124.x.y.z z
y.z

13. Assigning Host IDs 1 2 3 Router 124.0.0.27 124.0.0.28 124.0.0.29
124.x.y.z z z 1 2 3

14. Connectivity in Heterogeneous Environments
Microsoft TCP/IP
Internet Resources
Windows NT (Including RAS)
Windows for Workgroups
TCP/IP-Based
Printers
Apple Macintosh
Systems
IBM Mainframes
UNIX Host
LAN Manager
for UNIX Host
DEC Pathworks
for VMS
NFS Hosts

15. Connecting to a Remote Host with Microsoft Networking
Microsoft Client “Workstation Service”
Remote Host with SMB Server
“Server Service”
net use f: \\Server\Share
Communication Requirements:
Transport Connectivity (TCP/IP, NBF, IPX, etc.)
SMB Connectivity
RFC-Compliant NetBIOS Services

16. Microsoft TCP/IP Utilities
Utility
Function
Security
REXEC
Run commands on UNIX host
Password protection
RSH
Run commands on UNIX host
No password protection
Telnet
Terminal emulation
User and password authentication
RCP
Bidirectional file transfer
No user authentication
FTP
Bidirectional file transfer over TCP
User and password authentication
TFTP
Bidirectional file transfer over UDP
No user authentication
Web Browser
Accesses documents stored on a
World Wide Web server.
User and password authentication
LPD
Services LPR requests and submits
print jobs to a printer device
User and password authentication
LPR
Prints to TCP/IP-based network interface printers on UNIX hosts
User and password authentication
LPQ
Checks print queue status
User and password authentication

17. Using Telnet Telnet > Windows NT–Based Computer TCP/IP Host
User Account on Telnet Server
Telnet Client Software
User Accounts
Telnet Server Daemon

18. Using FTP FTP: > Windows NT–Based Computer FTP Server
FTP Client Software
User Account on FTP Server
FTP Server Daemon
User Accounts
Example: c:\ftp username: user1 password: secret

19. Using a Web Broswer Application Application WWW Client WWW Server
Internet Explorer
HTTP Request
IIS WWW Service
HTTP Response
HTTP=TCP port 80
Sockets
Sockets
Transport
Transport
TCP
TCP
Internet
Internet IP IP
Network
Network

20. Using the TCP/IP Print Server (LPD)
Windows NT TCP/IP Print Server (LPD Service)
UNIX Host (LPR/LPQ)

21. Windows Diagnostic Tools
TCP/IP Utilities
PING, ARP
NETSTAT, NBTSTAT
IPCONFIG
TRACERT, ROUTE, NSLOOKUP
Microsoft SNMP Service
Windows Utilities
Event Log
Performance Monitor
Network Monitor
Registry Editor

22. Troubleshooting Guidelines
Destination
Address
Source
Type
ARP IP
ICMP
TCP
UDP
net use
ftp
telnet
Network Interface
Internet
Transport
Application
NetBIOS
Sockets

23. Verifying IP Communications
Start
Go to
Next
Step
Ping (Loopback Address)
Ping IP Address of a Default Gateway 3
Ping IP Address of a Remote Host 4
Ping Your IP Address
If Steps 1 – 4 Are Successful,
Repeat Them Using Host Names 5 2 1

24. The Microsoft® TCP/IP Protocol Suite
Network Interface Technologies
Address Resolution Protocol (ARP)
Internet Control Message Protocol (ICMP)
Internet Group Management Protocol (IGMP)
Internet Protocol (IP)
Ports and Sockets
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)