TCP/IP Implementation Volume 2: Standard
Front coverIBM z/OS V1R12 CommunicationsServer TCP/IP Implementation:Volume 2 Standard ApplicationsProvides information about z/OS CommunicationsServer TCP/IP standard applicationsDiscusses how to take advantage of TCP/IPstandard applications for your needsIncludes TCP/IP applicationimplementation examplesMike EbbersRama AyyarOctavio L. FerreiraGazi KarakusYukihiko MiyamotoJoel PorterieAndi Wijayaibm.com/redbooks
International Technical Support OrganizationIBM z/OS V1R12 CommunicationsServer TCP/IP Implementation:Volume 2 Standard ApplicationsSG24-7897-00
Note: Before using this information and the product it supports, read the information in “Notices” onpage ix.First Edition (April 2011)This edition applies to Version 1, Release 12 of IBM z/OS Communications Server (product number5694-A01). Copyright International Business Machines Corporation 2011. All rights reserved.Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP ScheduleContract with IBM Corp.
ContentsNotices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiTrademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiiiThe team who wrote this book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xivNow you can become a published author, too! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvComments welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvStay connected to IBM Redbooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviChapter 1. The syslog daemon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.1 Conceptual overview of syslogd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.1.1 What is syslogd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.1.2 How syslogd works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.1.3 How can syslogd be deployed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.2 Log messages to different files and to a single file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.2.1 Description of logging to multiple files and to a single file. . . . . . . . . . . . . . . . . . . . 51.2.2 Configuration of multiple files and a single file . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.2.3 Verification of multiple files and a single file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131.3 Starting two syslogd instances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141.3.1 Description of two syslogd instances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141.3.2 Configuring two syslogd instances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141.3.3 Verification for running two syslogd instances . . . . . . . . . . . . . . . . . . . . . . . . . . . 171.4 The syslogd functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181.4.1 The syslogd operator commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191.4.2 Description of syslogd automatic archival . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191.4.3 The syslogd browser and search facility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241.5 Problem determination for syslogd logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331.6 Additional information sources for syslogd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Chapter 2. TN3270E Telnet server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352.1 Conceptual overview of the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362.1.1 What is the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362.1.2 How does the TN3270E server work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372.1.3 Possible uses for the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422.2 TN3270E server in a single image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432.2.1 Description of our TN3270E server scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442.2.2 Configuration of the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442.2.3 Activation of the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532.2.4 Verification of the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532.2.5 Administration and management of the TN3270E server . . . . . . . . . . . . . . . . . . . 662.3 Multiple TN3270E servers in a multiple image environment . . . . . . . . . . . . . . . . . . . . . 762.3.1 Multiple TN3270E servers within the sysplex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 772.3.2 Configuration of multiple TN3270E servers within the sysplex . . . . . . . . . . . . . . . 792.3.3 Activate and verify multiple TN3270E servers in the sysplex . . . . . . . . . . . . . . . . 862.4 Multiple TN3270E servers using LU name server and LU name requester . . . . . . . . . 952.4.1 Description of TN3270E servers using LU name server and LU name requester 962.4.2 Configuration of TN3270E servers within sysplex using LU name server LU namerequester. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1022.4.3 Activate and verify LU name server and LU name requester within sysplex . . . 109 Copyright IBM Corp. 2011. All rights reserved.iii
iv2.4.4 Scenario of LU name server automated takeover when active LU nameserver fails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5 TN3270E server in a single image using SHAREACB . . . . . . . . . . . . . . . . . . . . . . . .2.5.1 Overview of SHAREACB utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5.2 Configuration of the TN3270E server with SHAREACB option. . . . . . . . . . . . . .2.5.3 Activation of the TN3270E server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5.4 Verification of the TN3270E server with SHAREACB defined . . . . . . . . . . . . . .2.6 TN3270 support of TSO logon reconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7 Problem determination for the TN3270E servers . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7.1 Review the definition statements within the profile . . . . . . . . . . . . . . . . . . . . . . .2.7.2 Use TCP/IP and Telnet commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7.3 Use the MSG07 statement in the TN3270 profile . . . . . . . . . . . . . . . . . . . . . . . .2.7.4 Use SMF records to capture TN3270 connection activity . . . . . . . . . . . . . . . . . .2.7.5 Use trace data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7.6 Tips for multiple TN3270E servers in a Parallel Sysplex environment . . . . . . . .2.7.7 Tips for LU name server and LU name requester diagnosis. . . . . . . . . . . . . . . .2.8 Additional information sources for the TN3270E server . . . . . . . . . . . . . . . . . . . . . . hapter 3. File Transfer Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.1 Conceptual overview of FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.1.1 What is FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.1.2 How does FTP work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.1.3 How can FTP be used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.2 Basic FTP without security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.2.1 Description of basic FTP without security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.2.2 Planning for the basic FTP environment without security . . . . . . . . . . . . . . . . . .3.2.3 Configuration of basic FTP without security . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.2.4 Activation and verification for basic FTP without security . . . . . . . . . . . . . . . . . .3.3 Multiple FTP servers in a sysplex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3.1 Description of multiple FTP servers in a sysplex . . . . . . . . . . . . . . . . . . . . . . . .3.3.2 Configuration for multiple FTP servers in the sysplex. . . . . . . . . . . . . . . . . . . . .3.3.3 Activation and verification of FTP servers within sysplex . . . . . . . . . . . . . . . . . .3.4 FTP client using batch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.4.1 Description of FTP client using batch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.4.2 Configuration of FTP client using batch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.4.3 Activation and verification of FTP client batch job. . . . . . . . . . . . . . . . . . . . . . . .3.5 FTP client application program interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.5.1 FTP client API for REXX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.5.2 FTP client API for Java . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.6 FTP access to UNIX named pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.6.1 What are UNIX named pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.6.2 Description of FTP access to UNIX named pipes . . . . . . . . . . . . . . . . . . . . . . . .3.6.3 FTP configuration options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.6.4 Use the z/OS FTP client to create a named pipe in the z/OS FTP server . . . . .3.6.5 Supported z/OS FTP subcommands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.6.6 Storing into a named pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.7 FTP large-volume access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.7.1 The Extended Address Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.7.2 FTP access to data sets in EAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.8 Miscellaneous configurations of FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.8.1 A single generic FTP server in a multiple stack z/OS image . . . . . . . . . . . . . . .3.8.2 FTP network management interface with SMF . . . . . . . . . . . . . . . . . . . . . . . . . .3.9 Problem determination for FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202203IBM z/OS V1R12 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
3.10 Additional information sources for FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203Chapter 4. Simple Network Management Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1 Conceptual overview of SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1.1 What is SNMP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1.2 How does SNMP work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.1.3 How can SNMP be applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2 z/OS SNMP agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2.1 Description of the z/OS SNMP agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2.2 Configuration of the z/OS SNMP agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.2.3 Activation and verification of the z/OS SNMP agents . . . . . . . . . . . . . . . . . . . . .4.3 z/OS SNMP subagents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.3.1 Description of SNMP subagents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.3.2 Configuration of SNMP subagents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.3.3 Activation and Verification of SNMP subagents . . . . . . . . . . . . . . . . . . . . . . . . .4.4 z/OS SNMP client command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.4.1 Description of the SNMP client commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.4.2 Configuration tasks for the SNMP client commands. . . . . . . . . . . . . . . . . . . . . .4.4.3 Using the osnmp/snmp z/OS UNIX command . . . . . . . . . . . . . . . . . . . . . . . . . .4.5 Problem determination for the SNMP facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.6 Additional information sources for SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27235236Chapter 5. IP printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.1 Conceptual overview of IP printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.1.1 What is IP printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.1.2 How does IP Printing work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.1.3 How can IP Printing be applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.2 LPR/LPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.2.1 Description of LPR/LPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.2.2 Configuration tasks for LPR/LPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.2.3 Activation and verification of LPR/LPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.3 Infoprint Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.3.1 Description of the Infoprint Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.3.2 Configuration of Infoprint Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.4 Problem determination for LPR/LPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.5 Additional information sources for IP printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237238238239239240241241243245245248255262Chapter 6. INETD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.1 Conceptual overview of INETD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.1.1 What is INETD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.1.2 How does INETD work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.1.3 How can INETD be applied. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.2 A single INETD setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.2.1 Description of the INETD setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.2.2 Configuration tasks for INETD setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.2.3 Activation and verification of INETD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.3 Problem determination for INETD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.4 Additional information sources for INETD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263264264265265266266267269273273Chapter 7. z/OS mail servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.1 Conceptual overview of z/OS mail applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.1.1 z/OS mail services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.1.2 How z/OS mail services work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.1.3 How z/OS mail services are applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .275276276277278Contentsv
vi7.2 z/OS CSSMTP—a mail forwarding SMTP client . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.2.1 Advantages of using z/OS CSSMTP client . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.2.2 Configuration tasks for the z/OS CSSMTP client . . . . . . . . . . . . . . . . . . . . . . . .7.2.3 Verification of the z/OS CSSMTP client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.3 z/OS SMTP as a mail server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.3.1 Description of z/OS SMTP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.3.2 Configuration tasks for the z/OS SMTP server . . . . . . . . . . . . . . . . . . . . . . . . . .7.3.3 Verification of the z/OS SMTP server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.4 Using sendmail and popper as mail servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.4.1 Description of sendmail and popper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.4.2 Configuration tasks for sendmail and popper . . . . . . . . . . . . . . . . . . . . . . . . . . .7.4.3 Verification of sendmail and popper setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.5 Using sendmail as a client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.5.1 Description of the sendmail client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.5.2 Configuration tasks for the sendmail client . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.5.3 Verification of the sendmail client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.6 Problem determination for the mail facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7.6.1 Problem determination tasks for the z/OS SMTP server . . . . . . . . . . . . . . . . . .7.6.2 Problem determination for sendmail and popper . . . . . . . . . . . . . . . . . . . . . . . .7.6.3 Problem determination for the sendmail client . . . . . . . . . . . . . . . . . . . . . . . . . .7.7 Additional information sources for mail servers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13313314315315Chapter 8. z/OS UNIX Telnet server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.1 Conceptual overview of otelnetd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.1.1 What is otelnetd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.1.2 How does otelnetd work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.1.3 How can otelnetd be applied. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.2 z/OS UNIX Telnet server implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.2.1 Description of the otelnetd server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.2.2 Configuration tasks for otelnetd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.2.3 Activation and verification of otelnetd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.3 Problem determination for otelnetd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.4 Additional information sources for otelnetd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .317318318318319320320321325326326Chapter 9. Remote execution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.1 Conceptual overview of remote execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.1.1 What is remote execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.1.2 How does remote execution work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.1.3 How can remote execution be applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.2 TSO remote execution server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.2.1 Description of TSO remote execution server . . . . . . . . . . . . . . . . . . . . . . . . . . .9.2.2 Configuration tasks for TSO remote execution server . . . . . . . . . . . . . . . . . . . .9.2.3 Activation and Verification of TSO remote execution server. . . . . . . . . . . . . . . .9.3 z/OS UNIX remote execution server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.3.1 Description of z/OS UNIX remote execution server . . . . . . . . . . . . . . . . . . . . . .9.3.2 Configuration tasks for z/OS UNIX remote execution server . . . . . . . . . . . . . . .9.3.3 Activation and verification of z/OS UNIX remote execution server . . . . . . . . . . .9.4 REXEC TSO client command using user ID/password. . . . . . . . . . . . . . . . . . . . . . . .9.4.1 Description of REXEC TSO with user ID and password . . . . . . . . . . . . . . . . . . .9.4.2 Configuration of REXEC TSO with user ID and password . . . . . . . . . . . . . . . . .9.4.3 Verification of REXEC TSO with user ID and password . . . . . . . . . . . . . . . . . . .9.5 REXEC TSO client command using the NETRC data set. . . . . . . . . . . . . . . . . . . . . .9.5.1 Description of REXEC TSO client using NETRC . . . . . . . . . . . . . . . . . . . . . . . 47349349IBM z/OS V1R12 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
9.5.2 Configuration of REXEC TSO client using NETRC. . . . . . . . . . . . . . . . . . . . . . .9.5.3 Verification of REXEC TSO client using NETRC . . . . . . . . . . . . . . . . . . . . . . . .9.6 REXEC UNIX client command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.6.1 Description of the REXEC UNIX client command . . . . . . . . . . . . . . . . . . . . . . . .9.6.2 Configuration of the REXEC UNIX client command . . . . . . . . . . . . . . . . . . . . . .9.6.3 Verification of the REXEC UNIX client command . . . . . . . . . . . . . . . . . . . . . . . .9.7 Problem determination for z/OS remote execution facilities . . . . . . . . . . . . . . . . . . . .9.7.1 Problem determination for TSO remote execution . . . . . . . . . . . . . . . . . . . . . . .9.7.2 Problem determination for REXEC TSO with user ID and password . . . . . . . . .9.7.3 Problem determination of REXEC TSO using NETRC . . . . . . . . . . . . . . . . . . . .9.7.4 Problem determination for the REXEC UNIX client command . . . . . . . . . . . . . .9.7.5 Recovery for server job table full condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.7.6 Diagnostic messages for debugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9.8 Additional information sources on remote execution and remote shell . . . . . . . . . . . .349352355355355356357357358359360360361362Chapter 10. Domain Name System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.1 Conceptual overview of the DNS name server . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.1.1 What is Domain Name System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.1.2 How does Domain Name System work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.1.3 How can Domain Name System be applied . . . . . . . . . . . . . . . . . . . . . . . . . . .10.1.4 Considerations about z/OS DNS BIND 9 implementation. . . . . . . . . . . . . . . . .10.2 Authoritative DNS server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.2.1 Description of an authoritative DNS server . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.3 Caching-only DNS server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.3.1 Description of a caching-only DNS server . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.3.2 Configuration of a caching-only DNS server . . . . . . . . . . . . . . . . . . . . . . . . . . .10.3.3 Activation and verification of a caching-only DNS server . . . . . . . . . . . . . . . . .10.4 Automated domain name registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.4.1 Description of ADNR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.4.2 Configuration of ADNR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.4.3 Activation and verification of ADNR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.5 Problem determination for DNS service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.5.1 Problem determination for a caching-only DNS server . . . . . . . . . . . . . . . . . . .10.5.2 Problem determination for ADNR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.6 Additional information sources for DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91391393396Appendix A. Environment variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Description of the environment variable information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Native MVS API environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .z/OS UNIX API environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .z/OS UNIX System Services environment variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Language Environment variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Application-specific environment variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Setting environment variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .397398398399399400401407Appendix B. Sample files provided with TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409Sample files by component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410Appendix C. Configuration files: TN3270E standalone scenario . . . . . . . . . . . . . . . .SC31 TN3270B Server PROC for TN3270 standalone scenario . . . . . . . . . . . . . . . . . . . .SC31 TN3270B Server profile for TN3270 standalone scenario . . . . . . . . . . . . . . . . . . . .SC31 TCPIPB stack PROC for TN3270 standalone scenario . . . . . . . . . . . . . . . . . . . . . .SC31 TCPIPB stack PROFILE for TN3270 standalone scenario . . . . . . . . . . . . . . . . . . .SC31 OMPROUTE PROC for TN3270 stand-alone scenario . . . . . . . . . . . . . . . . . . . . . .Contents417418418421422427vii
SC31 OMPROUTE STDENV file for TN3270 stand-alone task scenario . . . . . . . . . . . . . 427SC31 OMPROUTE CONFIG for TN3270 stand-alone scenario . . . . . . . . . . . . . . . . . . . . 428Appendix D. Multiple TN3270E Telnet servers and sysplex distribution using the LUNSand LUNR scenario. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431SC30 files for LUNS and LUNR scenario. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432SC30 TN3270A Server PROC for LUNS and LUNR scenario . . . . . . . . . . . . . . . . . . . 432SC30 TN3270A Server PROFILE for LUNS and LUNR scenario. . . . . . . . . . . . . . . . . 432SC30 TNLUNS30 backup LUNS PROC for LUNS and LUNR scenario . . . . . . . . . . . . 437SC30 TNLUNS30 PROFILE for LUNS and LUNR scenario . . . . . . . . . . . . . . . . . . . . . 437SC30 TCPIPA stack PROC for LUNS and LUNR scenario . . . . . . . . . . . . . . . . . . . . . 438SC30 TCPIPA stack PROFILE for LUNS and LUNR scenario . . . . . . . . . . . . . . . . . . . 439SC30 OMP
Server TCP/IP Implementation: Volume 2 Standard Applications Mike Ebbers Rama Ayyar Octavio L. Ferreira Gazi Karakus Yukihiko Miyamoto Joel Porterie Andi Wijaya Provides information about z/OS Communications Server TCP/IP standard applications Discusses how to take advantage of TCP/IP standar
iv Routing TCP/IP, Volume II About the Author Jeff Doyle, CCIE No. 1919, is vice president of research at Fishtech Labs. Specializing in IP routing protocols, SDN/NFV, data center fabrics, MPLS, and IPv6, Jeff has designed or assisted in the design of large-scale IP service provider and enterprise net-works in 26 countries over 6 continents.File Size: 7MBPage Count: 158Explore furtherRouting TCP/IP Volume 1 PDF Download Free 1578700418ebooks-it.orgDownload [PDF] Routing Tcp Ip Volume 1 2nd . - Usakochanwww.usakochan.netCcie Routing Tcp/ip Vol 1(2nd) And 2 Free . - Ebookeewww.ebookee.netJeff Doyle eBooks Download Free eBooks-IT.orgebooks-it.orgCCIE Professional Development Routing TCP . - Academia.eduwww.academia.eduTcp ip volume 1 jeff doyle pdf - AKZAMKOWY.ORGakzamkowy.orgRecommended to you b
3622/udp ff-lr-port FF LAN Redundancy Port 4120/tcp Bizware Production Server 4121/tcp Bizware Server Manager 4122/tcp Bizware PlantMetrics Server 4123/tcp Bizware Task Manager 4124/tcp Bizware Scheduler. 4125/tcp Bizware CTP Serve
Cisco WAE 7326 90Mbps 6000 TCP 155Mbps 7500 TCP Cisco WAE 7341 Medium Data Center Entry Level (4-8Mbps) 4Mbps 8Mbps 800 TCP Cisco WAE 512 Cisco WAE 612 Cisco WAE 20Mbps 1500 TCP Small Branch Office 4Mbps 250 TCP 500 TCP Cisco ISR 2800/3800 NME 502 Cisco ISR 3800 NME 522 PRICE Cisco ISR 2811 NME 302
623 UDP ASF Remote Management and Control Protocol (ASF-RMCP) Official 625 TCP Open Directory Proxy (ODProxy) Unofficial 631 TCP UDP Internet Printing Protocol (IPP) Official 631 TCP UDP Common Unix Printing System (CUPS) Unofficial 635 TCP UDP RLZ DBase Official 636 TCP UDP Lightweight Directory Access
Reaching Beyond the Local-Area Network—the Wide-Area Network 10 TCP Large Window Support 10 TCP Selective Acknowledgment Support 14 2. TCP/IP Protocol Suite 15 Introducing the Internet Protocol Suite 15 Protocol Layers and the OSI Model 16 TCP/IP Protocol Architecture Model 17 How the TCP/IP Protocols Handle Data Communications 22 Contents iii
135 TCP RPC Endpoint Mapper 137 UDP NetBIOS Name Service 139 TCP NetBIOS Session (SMB) 389 UDP/TCP LDAP 445 TCP SMB over TCP 3268 TCP Global Catalog Search. Solution Guide citrix.com Kerberos Multi Domain Authentication for ActiveSync 8 Prerequisites DNS should be configured to resolve all the domains.
traces.zip; see earlier footnote) to study TCP behavior in the rest of this lab. 3. TCP Basics Answer the following questions for the TCP segments: 4. What is the sequence number of the TCP SYN segment that is used to initiate the TCP connection between the client computer and gaia.cs.umass.edu? What is it
to study TCP behavior in the rest of this lab. 3. TCP Basics Answer the following questions for the TCP segments: 4. What is the sequence number of the TCP SYN segment that is used to initiate the TCP connection between the client computer and gaia.cs.umass.edu? What is it in the segment that identifies the segment as a SYN segment? 5.
