Manual

Contents
About This Manual........................................................................................9
Supported Release Version Updates (RVUs)..................................................................................9
Intended Audience....................................................................................................................9
New and Changed Information..................................................................................................9
New and Changed Information in Previous Editions......................................................................9
Document Organization..........................................................................................................10
Notation Conventions..............................................................................................................11
General Syntax Notation....................................................................................................11
Notation for Messages.......................................................................................................13
Related Information.................................................................................................................14
Publishing History...................................................................................................................15
HP Encourages Your Comments................................................................................................15
Abbreviations.........................................................................................................................15
1 Introduction to TCP/IP Applications and Utilities...........................................19
Overview of Applications........................................................................................................19
Using Clients on a NonStop System......................................................................................21
Using Servers Through Other Clients.....................................................................................21
The LISTNER Process...........................................................................................................21
Addressing Remote Hosts.........................................................................................................23
Using the Domain Name Server (DNS) and IPNODES and HOSTS files....................................23
Host Internet Address (IPv4).................................................................................................23
Host Internet Address (IPv6).................................................................................................23
Host Name ......................................................................................................................24
Resolving File Names.........................................................................................................25
NonStop Kernel Conventions....................................................................................................25
Use of Uppercase..............................................................................................................26
2 ECHO—Testing Network Connections.........................................................27
Running ECHO at a Terminal...................................................................................................27
Sending One Line of Data.......................................................................................................27
Sending a Data File................................................................................................................28
3 PING—Checking Host Availability..............................................................29
Running PING at a Terminal.....................................................................................................29
Examples..........................................................................................................................29
4 FINGER—Displaying Network User Information............................................32
Running FINGER at a Terminal.................................................................................................32
Displaying Information............................................................................................................32
All Local Users...................................................................................................................33
All Remote Users................................................................................................................33
A Single Local User............................................................................................................33
A Single Remote User.........................................................................................................33
Providing Information for Other Users........................................................................................33
Sending Information to a File...................................................................................................34
5 Tracer— Tracing IP Packets........................................................................35
Running the Tracer Utility from a Terminal .................................................................................35
6 FTP—Transferring Files..............................................................................37
Running FTP at a Terminal........................................................................................................37
Connecting to a Remote System...........................................................................................41
Logging On to a Remote System..........................................................................................41
Contents 3