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SunLink SNA 9.1 PU2.1 Server Configuration Guide—August 1997

D. IBM Token Ring Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1

D.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1

D.2 Frame Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-3

D.2.1 Addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-5

D.3 Source Routing and Multiple-Ring Operation . . . . . . . . . D-7

E. Load Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E-1

E.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E-1

E.2 Normal Load Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . .

E-1

E.2.1 Normal Load Balancing Description . . . . . . . . . . . .

E-2

E.2.2 Normal Load Balancing Example . . . . . . . . . . . . . . .

E-2

E.3 Geographical Load Balancing . . . . . . . . . . . . . . . . . . . . . . .

E-4

E.3.1 Geographical Load Balancing Description . . . . . . .

E-5

E.3.2 Geographical Load Balancing Example . . . . . . . . . .

E-6

F. Host Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-1

F.1 3270 Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-1

F.2 sun3770/RJE Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-4

F.3 APPC Clients. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-6

F.3.1 Logical Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-6

F.3.2 Partner LU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-8

F.3.3 Session Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-10

F.3.4 Transaction Program. . . . . . . . . . . . . . . . . . . . . . . . . . F-11

F.4 5250 Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-12

F.4.1 IBM Token Ring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-12

F.4.2 SDLC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-14

Содержание SunLink SNA 9.1 PU2.1

Страница 1: ...nue Mountain View CA 94043 USA 415 960 1300 fax 415 969 9131 A Sun Microsystems Inc Business SunLink SNA9 1PU2 1Server ConfigurationGuide Part No 802 2673 12 Revision A August 1997 Sun Microsystems Co...

Страница 2: ...LD TO BE LEGALLY INVALID Copyright 1997 Sun Microsystems Inc 2550 Garcia Avenue Mountain View Californie 94043 1100 U S A Tous droits r serv s Ce produit ou document est prot g par un copyright et dis...

Страница 3: ...aphical Management Interface 1 3 1 2 2 Gateway Manager 1 3 1 2 3 System Manager 1 3 1 2 4 PU2 1 Server Process 1 4 1 2 5 Sun Name Server 1 4 1 2 6 Configuration Options 1 5 1 3 Systems and Servers 1 7...

Страница 4: ...un 3770 RJE 1 16 1 9 5 Sun APPC 1 17 1 9 6 Telnet 5250 and Sun 5250 1 18 1 9 7 File Transfer Protocol 1 18 1 9 8 Other Sun SNA Clients 1 19 1 10 Manager Network 1 19 1 11 Peer to Peer Operations 1 21...

Страница 5: ...SunGMAN 3 3 3 3 Starting the SunGMI 3 4 3 4 Creating a Configuration 3 4 3 4 1 Creating a Manager System 3 4 3 4 2 Configuring a System 3 5 3 4 3 Adding a PU2 1 Server 3 6 3 4 4 Adding a Connection 3...

Страница 6: ...2 Advanced LAN Configuration 6 3 6 2 Adding an SDLC Connection 6 4 6 2 1 Basic SDLC Configuration 6 5 6 2 2 Advanced SDLC Configuration 6 6 6 3 Adding a QLLC Connection 6 7 6 3 1 Basic QLLC Configura...

Страница 7: ...9 7 9 3 1 Basic Session Mode Configuration 9 8 9 3 2 Advanced Session Mode Configuration 9 9 9 4 Configuring an LUType 6 2 User 9 12 9 5 Configuring a Transaction Program 9 13 9 5 1 Basic Transaction...

Страница 8: ...2 Deleting a License 11 8 11 3 Managing Manager Systems 11 8 11 3 1 Determining the Number of Manager Systems to Define 11 8 11 3 2 Adding a Manager System 11 9 11 3 3 Recovering from a Loss of Quoru...

Страница 9: ...I Cannot Connect to the Running Domain 12 33 12 3 3 The suncpd Process Is Not Running 12 34 12 3 4 The SunGMAN Process Does Not Start 12 34 12 3 5 The Sun PU2 1 SNA Server Configuration Does Not Start...

Страница 10: ...A 6 Domain Planning Form A 2 A 7 Remote Systems to Connect to A 3 A 8 Manager Planning Form A 3 A 9 Server Planning Forms A 3 A 9 1 General Information A 3 A 9 2 LUType 6 2 Parameters A 4 A 9 3 LLC P...

Страница 11: ...Concepts C 1 C 1 Hierarchical SNA C 1 C 1 1 Physical Components C 2 C 1 2 Logical Components C 4 C 1 3 Sessions C 5 C 2 Peer to Peer SNA C 6 C 2 1 Physical Components C 6 C 2 2 Logical Components C 7...

Страница 12: ...Normal Load Balancing Description E 2 E 2 2 Normal Load Balancing Example E 2 E 3 Geographical Load Balancing E 4 E 3 1 Geographical Load Balancing Description E 5 E 3 2 Geographical Load Balancing Ex...

Страница 13: ...ii G LUType 6 2 Security G 1 G 1 Session Level Security G 1 G 2 Conversation Level Security G 2 G 3 Security Access Verification G 4 G 4 Resource Access Verification G 4 G 5 Unix Level Security G 5 In...

Страница 14: ...xiv SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997...

Страница 15: ...mple Configuration Manager Network 1 7 Figure 3 1 Configuration Hierarchy 3 2 Figure 7 1 LAN Connection 7 4 Figure 7 2 SDLC or QLLC Connection 7 5 Figure 11 1 Controlling Client Access 11 4 Figure 11...

Страница 16: ...xvi SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997...

Страница 17: ...Table 4 1 Command Line Options 4 4 Table 5 1 Command Line Options 5 4 Table 7 1 Local Terminal ID SNA Device Types 7 6 Table 11 1 Stop and Start Results by Resource Type 11 18 Table 12 1 Status Table...

Страница 18: ...xviii SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997...

Страница 19: ...nLink SNA 9 1 software Refer to the SunLink SNA 9 1 End Node Planning and Installation Guide and the SunLink SNA 9 1 for Solaris Release Notes for installation instructions How This Book Is Organized...

Страница 20: ...how to configure a local independent logical unit LU how to configure a partner LU for a local independent or dependent LU how to configure the session mode for the LU LU pair how to configure an LUT...

Страница 21: ...ou use the Sun Name Server It also describes the considerations to keep in mind when using the Sun Name Server with APPC Appendix C SNA Concepts provides a high level introduction to SNA and its compo...

Страница 22: ...and directories on screen computer output Edit your login file Use ls a to list all files You have mail AaBbCc123 What you type when contrasted with on screen computer output su Password AaBbCc123 Com...

Страница 23: ...73 12 Reference information SunLink SNA SNM 9 1 Reference Manual 802 2674 12 Programming information SunLink LU0 9 1 API Programmer s Guide 802 2676 12 Programming information SunLink SNA Peer to Peer...

Страница 24: ...lishment Controller Planning Guide GA27 3862 IBM VTAM Operation SC23 0113 IBM NetView Operation SC30 3364 IBM 3174 Establishment Controller Functional Description GA23 0218 11 DNS DNS Bind Paul Albitz...

Страница 25: ...email or fax your comments to us Please include the part number of your document in the subject line of your email or fax message Email smcc docs sun com Fax SMCC Document Feedback 1 415 786 6443 Tab...

Страница 26: ...xxvi SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997...

Страница 27: ...on describes the physical unit PU types supported by the Sun PU2 1 SNA Server LU Emulation describes the logical unit types supported by the Sun PU2 1 SNA Server LU Pools describes how the Sun PU2 1 S...

Страница 28: ...e distributed server as a single virtual gateway You can manage the SNA enterprise network as a single entity by using a graphical interface The Sun PU2 1 SNA Server can support tens of thousands of s...

Страница 29: ...provides the Domain Name System DNS function and supports the SunGMI To ensure that operational control is not lost and that new client connections can be made you can configure and run multiple insta...

Страница 30: ...essing SMP platforms to take advantage of the multiple processors 1 2 5 Sun Name Server The Sun Name Server which is part of the SunGMAN is used with the DNS to resolve resource requests from clients...

Страница 31: ...umber of client connections required Refer to the following figure Figure 1 2 Sample Configuration Single System As another example you could distribute the Sun PU2 1 SNA Server among several systems...

Страница 32: ...a final example you could create a manager network by installing multiple instances of the SunGMAN Refer to the following figure For more information about manager networks refer to Section 1 10 Mana...

Страница 33: ...d bring them on line without affecting other systems When you configure a PU2 1 server you define the SNA control point for the local PU2 1 device the Logical Link Control LLC parameters and UNIX secu...

Страница 34: ...link control sublayers Logical Link Control LLC and Medium Access Control MAC which control the transmission of data across the LAN For IBM Token Ring the network can have a data rate of either 4 mega...

Страница 35: ...ugh multi point lines are not supported multiple QLLC connections can be supported over a single link over the X 25 PSDN Note The QLLC protocol only supports PU 2 0 1 5 PU2 1 Emulation When operating...

Страница 36: ...endent LUs and independent LUs as follows Dependent LUs Each PU2 1 device can support the following types of dependent LU LUType 0 LUType 1 LUType 2 LUType 3 and LUType 6 2 VTAM activates the dependen...

Страница 37: ...pool LU pools are most commonly used for LUType 2 dependent LUs for access by 3270 clients You can provide redundancy by distributing an LU pool across multiple systems If some of the systems are rem...

Страница 38: ...IP address to specify a group of users clients or system network administrators that have common requirements without specifying each user individually User records allow you to control the resources...

Страница 39: ...r an LUType 0 LUType 1 LUType 3 or LUType 6 2 client if you do not specify a default resource or if none of the default resources exist and if the client does not specify a resource the software retur...

Страница 40: ...ver For more information refer to your client documentation In addition contact your Sun sales representative for information about third party software products that use the communications services o...

Страница 41: ...7 provides the features of traditional TN3270 as well as the following TN3287 printer support Associated printer support You can associate a printer LU with a TN3270 terminal LU This allows the user t...

Страница 42: ...is specified in the connection request For more information about configuring a user record refer to Chapter 10 Configuring Users Sun3270 uses TN3270E to access SNA hosts It emulates 3278 models 2 thr...

Страница 43: ...fer to Section 9 2 Configuring a Partner LU on page 9 4 Session mode for the LU LU pair For more information refer to Section 9 3 Configuring the Session Mode on page 9 7 LU6 2 users that can access t...

Страница 44: ...AS 400 system programmer to coordinate the AS 400 and Sun configurations 1 9 7 File Transfer Protocol The Sun PU2 1 SNA Server includes a file transfer protocol FTP that converts TCP IP file transfer...

Страница 45: ...of library routines that allow you to write programs that interact with IBM mainframe applications over TCP IP Your programs have complete access to the SNA Request Headers and Request Units and can u...

Страница 46: ...andle DNS requests and return the IP addresses of the system where the specified resource can be found and perform load balancing If a manager system is located in each physical site requests for reso...

Страница 47: ...XID You should however set PUTYPE 2 and XID YES in the NCP PU macro definition PU2 1 device No host configuration is necessary Information about the device configuration is conveyed between the two de...

Страница 48: ...1 22 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 1...

Страница 49: ...anage windows Selecting Items describes how to select items in a window Initiating Actions describes how to initiate actions from the SunGMI Using Dialog Boxes describes how to use the dialog boxes pr...

Страница 50: ...assword specifies the password to use when connecting to the Sun PU2 1 SNA Server domain is the name of the Domain Name System DNS domain implemented by the Sun PU2 1 SNA Server If you do not specify...

Страница 51: ...ined any name is valid Password The password to use when connecting If a password is defined in a user record this Password must match the Password field of the user record If not this Password is ign...

Страница 52: ...menu actions Buttons are enabled only if their actions are available at the current time for the currently selected resource For more information about the toolbar buttons refer to Section 2 6 1 Toolb...

Страница 53: ...he following sub windows which are described in the following sections Configuration window Managers window Applications window Licenses window Traces window Events window Resource window 2 3 1 Config...

Страница 54: ...the systems that are currently running the SunGMAN Select Window Managers List to display the Managers window 2 3 3 Applications Window The Applications window displays a list of application programs...

Страница 55: ...s window displays information about traces currently in effect Select Window Active Traces List to display the Traces window 2 3 5 Events Window The Events window displays event information about the...

Страница 56: ...displays all of the resources in the current configuration To display the resource window for a configuration double click the configuration in the configuration window The title bar of the resource w...

Страница 57: ...h is a list of resources The resources listed depend on the element selected in the resource tree For example if the Systems icon is selected the resource table displays a list of systems 2 4 Managing...

Страница 58: ...e following ways Click a button on the toolbar For more information refer to the following section Select a menu command For more information refer to Section 2 6 2 Menu Commands on page 2 12 Position...

Страница 59: ...he toolbar buttons you can use to initiate an action from the SunGMI Table 2 2 SunGMI Toolbar Button Task Button Task Connect to the domain Modify the selected resource Disconnect from the domain Undo...

Страница 60: ...release or press the underlined letter in the command name The menus available at a particular time and the commands available from a particular menu depend on the currently selected window and resou...

Страница 61: ...uration Save Saves a configuration Save As Saves a configuration with a new name Exit Exits the program Command Description New Creates a new manager system user user group LU pool system server SDLC...

Страница 62: ...formation refer to Section 11 6 Controlling the Status of Resources on page 11 17 Stop Stops a system PU2 1 server trace connection or PU For more information refer to Section 11 6 Controlling the Sta...

Страница 63: ...Format on page 12 2 Save settings Saves any settings you changed in this session Command Description Configurations Displays the list of configuration windows New Resource Opens a new resource window...

Страница 64: ...contains optional parameters You specify the setting of a parameter either by entering data into a text box by selecting an item from a drop down menu or by checking clearing a check box Dialog boxes...

Страница 65: ...t Return all parameters to their initial default settings Advanced Display the Advanced dialog box Basic Display the Basic dialog box Help Display the contents of the Help system for the object Table...

Страница 66: ...2 18 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 2...

Страница 67: ...configuration Note This chapter is intended to get you up and running quickly It assumes that you are creating a manager network consisting of a single system At a later time you can add additional m...

Страница 68: ...erver up and running are as follows 1 Plan the configuration of the Sun PU2 1 SNA Server Refer to Appendix A Resource Planning Forms 2 Update the Domain Name System DNS configuration if necessary Refe...

Страница 69: ...nnection on page 3 7 10 Add a PU Refer to Section 3 4 5 Adding a PU on page 3 10 11 Add a dependent LU Refer to Section 3 4 6 Adding a Dependent LU on page 3 11 12 Save the configuration Refer to Sect...

Страница 70: ...n the screen displays the configuration window The Sun PU2 1 SNA Server is installed with a configuration called config1 The following sections describe how to create a manager system how to configure...

Страница 71: ...configuration you are using to display the resource window 2 Click Systems in the resource tree to select it If this is a new installation or if during the installation procedure you specified that yo...

Страница 72: ...figuration 3 4 3 Adding a PU2 1 Server To add a PU2 1 server to run on the system 1 Double click Systems in the resource tree to display the name of the system you just added 2 Double click the system...

Страница 73: ...dialog boxes If you want to change any of the other parameters refer to Chapter 5 Configuring PU2 1 Servers 9 Click OK to add the PU2 1 server to the system 3 4 4 Adding a Connection This section desc...

Страница 74: ...our host network administrator for the correct value 8 If you are running on a 16 Mb s Token Ring click Advanced tab to the LAN Speed field and select 16 Mb s 9 Typically you can leave the default set...

Страница 75: ...remaining parameters in the Basic and Advanced dialog boxes If you want to change any of the other parameters refer to Section 6 2 Adding an SDLC Connection on page 6 4 7 Click OK to add the new SDLC...

Страница 76: ...es If you want to change any of the other parameters refer to Section 6 3 Adding a QLLC Connection on page 6 7 7 Click OK to add the new QLLC line 3 4 5 Adding a PU To add a PU 1 In the resource tree...

Страница 77: ...ns contain an IDBLK IDNUM setting click Advanced tab to the Local Terminal ID field and enter the IDBLK IDNUM setting 6 Typically you can leave the default settings for the remaining parameters in the...

Страница 78: ...dent LU LU pool or PU name 5 In the LU Type field select the dependent LU type Select LUType 1 for 3770 RJE Select LUType 2 for 3270 terminal emulation Select LUType 3 for printing Select LUType 6 2 f...

Страница 79: ...tarted on the system 3 While the processes are starting the status of the system and PU2 1 server as shown in the configuration window changes to Pending Active After the processes start the status ch...

Страница 80: ...3 14 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 3...

Страница 81: ...1 Double click the appropriate configuration in the configuration window to display the resource window 2 Using the right mouse button MB3 click and hold Systems in the resource tree and select New S...

Страница 82: ...cannot be the same as any other system name Comment A free form text area that you can use to further qualify and describe the system configuration Type The platform on which the servers run This sett...

Страница 83: ...e or Inactive If you select Active the Sun System Manager sunsman is activated when the system is initialized If you select Inactive you must manually activate the sunsman Command Options The command...

Страница 84: ...se from a PU2 1 server before dropping the queued request to number_seconds O number_seconds Set the time to wait for a response from a client during Telnet options negotiation to number_seconds secon...

Страница 85: ...This name must match the Name specified in the partner LU configuration For more information refer to Section 9 2 Configuring a Partner LU on page 9 4 Mode Name The mode used to establish the AFTP ses...

Страница 86: ...on SunLink 9 1 1 On GMI configure an Independent LU under one of the PU2 1 Servers The Local LUName is arbitrary 2 Under this Independent LU configure a PartnerLU with alias XFTPD The fully qualified...

Страница 87: ...32M 64M BG AVS virtual machine INCLUDE GCSPROF ACCOUNT 7 P390 IUCV ANY IUCV IDENT GATEANY GATEWAY REVOKE IUCV ALLOW OPTION COMSRV MAXCONN 20 ACCT CONSOLE 01F 3215 T OPERATOR LINK MAINT 193 193 RR MDIS...

Страница 88: ...ill be routed to the AFTP Server running on UserID AFTPD 4 Set up the AFTPD UserID Note that the ASuite UserID is 5654025 and the ASuite files are on the 2C2 and 29A mdisks 5 Set up the AFTPD Profile...

Страница 89: ...ntry such as would if the client set the TP name to AFTPSRVR in the AFTPD side info entry or used the TPNAME command to change the TP name cause the AFTPD EXEC to start with AFTPSRVR as the parameter...

Страница 90: ...nix prompt type 2 Enter User ID 3 Enter Password Note that the ftp is to the SunLink System SunLink supports only one AFTP Client per System 4 Use remotehelp to get help information from the host host...

Страница 91: ...use quote recfm v to also set RECFM V on CMS ftp remotehelp 214 The following commands are recognized s unimplemented USER APPE DELE XRMD PASS MLFL CWD PWD ACCT MAIL XCWD XPWD SMNT MSND LIST CDUP REIN...

Страница 92: ...4 12 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 4 ftp binary 200 Type set to BINARY ftp quote recfm v 250 RECFM set to v...

Страница 93: ...click and hold PU2 1 Servers in the resource tree and select New PU2 1 Server from the popup menu The screen displays the Create PU2 1 Server dialog box 4 Enter the appropriate information in the Bas...

Страница 94: ...network ID and netname is the name of the server within the SNA network Each field can contain up to eight alphanumeric characters including and Tabs and spaces are not allowed The first character can...

Страница 95: ...Default User name manually either sunlu62 or any other name you specify to the etc passwd database file This parameter is appropriate for APPC transactions only Default Group The group ID for remotely...

Страница 96: ...Line Options Option Description C Cause responses to be delayed until the Telnet client has received the request Used for Telnet connections F num_file_descriptors Set the number of file descriptors...

Страница 97: ...on If you are using a platform driver that provides source routing disable source routing For more information about IBM Token Ring network concepts refer to Appendix D IBM Token Ring Concepts Table S...

Страница 98: ...route has been determined The value can range from 1 to 1440 The default is 20 This parameter is valid only when source routing is enabled Use this parameter only when the server is operating over a L...

Страница 99: ...Servers in the resource tree to display the name of the PU2 1 server 2 Using the right mouse button MB3 click and hold the server name in the resource tree and select New LAN Connection from the popup...

Страница 100: ...e to further qualify and describe the LAN connection For example you can use this parameter to specify the physical location of the connection or the patch panel Type The type of LAN connection The va...

Страница 101: ...for the proper setting of this parameter You must specify the MAC address Note On most systems the MAC address can be obtained from ROM on the LAN adapter 6 1 2 Advanced LAN Configuration Interface T...

Страница 102: ...6 Mb s The default is 4 Mb s Note You cannot select a LAN speed for Ethernet and FDDI connections For Ethernet the LAN speed is always 10 Mb s For FDDI the LAN speed is always 100 Mb s Maximum Data Si...

Страница 103: ...ettings click Reset 6 2 1 Basic SDLC Configuration Line Name The name that identifies this SDLC connection The name can contain up to eight alphanumeric characters including and Tabs and spaces are no...

Страница 104: ...The value can be Full duplex or Half duplex Select Half for multi point lines Select Full for point to point lines The default is Full Line Type The line type The value can be Leased or Switched The...

Страница 105: ...urce is set to Internal Poll Pause Timer The time to wait before responding to a poll in 100 millisecond intervals The value can range from 0 to 200 The default is 200 A value of 0 indicates no pause...

Страница 106: ...settings click Reset Note QLLC does not support LU6 2 6 3 1 Basic QLLC Configuration Line Name The name that identifies this QLLC line The name can contain up to eight alphanumeric characters includin...

Страница 107: ...decimal number up to 15 digits This parameter is required for switched VC connections PVC Logical Channel No The logical channel number LCN to use for permanent VC connections The value can range fro...

Страница 108: ...rom 1 to 7 or from 1 to 127 depending on the HDLC modulus The window size should equal the default X25LINE WINDOW_SIZE parameter If not to allow flow control negotiation make sure that the X25LINE L3F...

Страница 109: ...local host Max Connects The number of times the server tries to connect to the sunX25 server before declaring the QLLC line inoperative This setting applies only to the console of the sunX25 server It...

Страница 110: ...6 12 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 6...

Страница 111: ...sing the right mouse button MB3 click and hold the connection name in the resource tree and select New DLC PU2 from the popup menu The screen displays the Create DLC dialog box 4 Enter the appropriate...

Страница 112: ...7 2 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 7 7 1 Basic DLC PU2 Configuration LAN Connection SDLC or QLLC Connection Channel Connection...

Страница 113: ...PU dependent LU independent LU or LU pool name Sun recommends that you use the name that is defined in the IBM VTAM NCP configuration For more information refer to IBM s VTAM Installation and Resource...

Страница 114: ...7 4 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 7 7 2 Advanced DLC PU2 Configuration Figure 7 1 LAN Connection...

Страница 115: ...st be unique for each PU in the configuration This parameter is available only for LAN connections Remote LSAP A 2 digit hexadecimal string representing the remote LSAP for this PU in increments of x...

Страница 116: ...lt is the CP name of the PU2 1 server For more information refer to Section 5 1 Basic PU2 1 Server Configuration on page 5 2 This Local CP Name overrides the CP Name specified in the server configurat...

Страница 117: ...nly to LAN and switched SDLC connections Suppress ACTPU Indicates whether the ACTPU should be requested during XID exchange Check the box if ACTPU should not be requested Clear the box if ACTPU should...

Страница 118: ...eceive Window The maximum number of outstanding incoming frames at any time The value can range from 1 to Modulus The default is 7 This parameter is available only for LAN connections Response Timer T...

Страница 119: ...fer to Appendix D IBM Token Ring Concepts Transfer Mode The SDLC protocol The value can be TWA or TWS Select TWA two way alternating for half duplex transmission Select TWS two way simultaneous for fu...

Страница 120: ...7 10 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 7...

Страница 121: ...Deleting Dependent LUs describes how to delete a dependent LU Creating an LU Pool describes how to configure an LU pool Modifying an LU Pool describes how to modify an LU pool Note Before you begin c...

Страница 122: ...nnection 3 Double click the connection name in the resource tree to display the name of the physical unit DLC 4 Using the right mouse button MB3 click and hold the physical unit DLC name in the resour...

Страница 123: ...endent LU physical unit PU or LU pool name For a group of multiple dependent LUs the name consists of a prefix followed by a number identifier The prefix is a base name and is the same for all depende...

Страница 124: ...UType 3 or LUType 6 2 Select LUType 1 for 3770 RJE Select LUType 2 if the LU is used for 3270 terminal emulation Select LUType 3 if the LU is used for printing Select LUType 6 2 for APPC peer to peer...

Страница 125: ...into The default is PUBLIC for LUType 2 or None for LUType 0 LUType 1 LUType 3 and LUType 6 2 Note that all dependent LUs in a particular LU pool must be of the same type If you have not yet created...

Страница 126: ...e terminal type assures that the most suitable LU is selected Associated Printer The name of the LUType 3 printer associated with the terminal This parameter applies to the TN3270 only The name can co...

Страница 127: ...number of times the Sun PU2 1 SNA Server continues to send keep alive signals to the client if the client does not send a response back to the server If the number of retries is exhausted before the c...

Страница 128: ...ing Dependent LUs To modify a single dependent LU or a group of dependent LUs 1 Click the PU name in the resource tree to display the list of dependent LUs 2 Select the dependent LU s you want to modi...

Страница 129: ...LUs refer to Section 2 5 Selecting Items on page 2 10 3 Select Edit Delete from the menu bar and then click OK in the confirmation dialog box 8 4 Creating an LU Pool Note All dependent LUs in a parti...

Страница 130: ...that you can use to further qualify and describe the name Access Control A list of all defined users and user groups Only users and user groups defined in the records in the right hand box under Clic...

Страница 131: ...Edit Modify from the menu bar to display the Modify Pool dialog box 4 Modify the LU pool as necessary For information on the meaning of parameters refer to Section 8 4 Creating an LU Pool on page 8 9...

Страница 132: ...8 12 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 8...

Страница 133: ...describes how to configure an LUType 6 2 user that can access a local independent or dependent LU Configuring a Transaction Program describes how to configure a transaction program TP that can be acce...

Страница 134: ...PU2 1 server name to open its subordinate entries 5 From the main window select Edit New Independent LU to display the Create Independent LU dialog box 6 Enter the appropriate information in the Basi...

Страница 135: ...are not allowed The first character cannot be a number You must specify the LU name The name cannot be the same as any other independent LU dependent LU PU or LU pool name Comment A free form text ar...

Страница 136: ...LU to Queue BIND Rsp Indicates whether the local independent LU allows the partner LU to queue bind requests if the session cannot be activated Check the box if you want the partner LU to queue bind r...

Страница 137: ...he settings click OK To exit a dialog box without accepting the settings click Cancel To return to the default settings click Reset 9 2 1 Basic Partner LU Configuration Name The name of the partner LU...

Страница 138: ...e converted to uppercase By default the software uses the netid of the PU2 1 server CP Name parameter for the ID refer to Section 5 1 Basic PU2 1 Server Configuration on page 5 2 and the partner LU na...

Страница 139: ...her the local LU supports CNOS exchanges with the partner LU This parameter is valid only if parallel sessions are supported Session Password The LU LU password for session level verification on sessi...

Страница 140: ...n click Advanced to display the Advanced dialog box The following sections describe the parameters in the Basic and Advanced dialog boxes 6 To accept the settings click OK To exit a dialog box without...

Страница 141: ...ssion Name The unique name used to link this session mode with a particular partner LU The name can contain up to 15 alphanumeric characters including and The first character cannot be a number This p...

Страница 142: ...ferred maximum send RU size for a session as set in the bind image The value can range from 8 to 4096 and must be greater than or equal to the Lowest Max Send RU Size and less than or equal to the Hig...

Страница 143: ...or the partner LU For more information refer to Parallel Sessions Supported and CNOS Supported Note Auto initialization is useful with CICS implementations that experience CICS restarts or host failur...

Страница 144: ...e can contain up to 10 alphanumeric characters Tabs and spaces are not allowed You must specify the user ID Note This UserName is not the same as the Default User name that is specified for the PU2 1...

Страница 145: ...xit a dialog box without accepting the settings click Cancel To return to the default settings click Reset 9 5 Configuring a Transaction Program To configure a transaction program 1 Double click the P...

Страница 146: ...wercase characters are converted to uppercase You must specify the TP name If you specify the TP name in hexadecimal format with the first byte of the name in the range 0x01 to 0x3F excluding the valu...

Страница 147: ...erification Description None No verification is necessary If the incoming Attach request contains a user ID and password conversation level security is performed Conversation Conversation level securi...

Страница 148: ...ansaction program Check the box if you want the Attach request to invoke the TP Clear the box if you do not want the Attach request to invoke the TP Basic Conv Allowed Indicates whether the TP support...

Страница 149: ...allowed to issue the following CNOS verbs INITIALIZE_SESSION_LIMIT RESET_SESSION_LIMIT CHANGE_SESSION_LIMIT Check the box if the verbs are supported Clear the box if the verbs are not supported Sessi...

Страница 150: ...Ps 3 Click the TP name to select it 4 From the main window select Edit New TP Access Control to display the Create TP Access Control dialog box 5 Enter the following information UserName The LUType 6...

Страница 151: ...r user group 10 1 Defining a User Record To define a user record 1 Click Users in the resource tree to display a list of users 2 Select Edit New User from the menu bar to display the Create User dialo...

Страница 152: ...for identification purposes and can store information about the user such phone number and department name Client Address Type The address type of the client The value can be IP Address IP Hostname IP...

Страница 153: ...urce can have up to 8 characters You can enter a total of 256 characters in the field If you specify multiple default resources do not include a PU name in the list of default resources or make sure t...

Страница 154: ...IP address as a dotted address such as 192 127 100 20 You can use this parameter with the Mask parameter to mask the IP address to determine user access If you do not specify an IP Address no checkin...

Страница 155: ...erator can configure and control You can use wild cards to specify the name matches any string and matches any single character For example if you enter oper Pool POOL1 Pool POOL3 the operator can con...

Страница 156: ...palive Retries The number of times the Sun PU2 1 SNA Server continues to send keep alive signals to the client if the client does not send a response back to the server If the number of retries is exh...

Страница 157: ...freed and becomes available for another client connection Note The setting of this parameter overrides the equivalent setting in the dependent LU configuration For more information refer to Section 8...

Страница 158: ...d box click the record in the left hand box To remove a user from the right hand box click the record in the right hand box 4 To accept the settings click OK To exit a dialog box without accepting the...

Страница 159: ...ser record that you want to delete 3 Select Edit Delete from the menu bar and then click OK in the confirmation dialog box Note If you delete the user record of a user who is part of a group the user...

Страница 160: ...the list of dependent LUs 2 Select the dependent LU that you want to modify 3 Select Edit Modify from the menu bar to display the Modify Dependent LU dialog box 4 From the Access Control box click the...

Страница 161: ...or fewer of the manager systems are available Managing the Active Configuration describes how to modify the active configuration and how to save and distribute the updates Managing an Off line Configu...

Страница 162: ...source in the resource s access list For information on setting up Users and user groups refer to Chapter 10 Configuring Users An access list for a dependent LU refer to the Access Control definition...

Страница 163: ...Client is listed LU pool has access control list Client is listed Client specific LU Both LU and LU pool have empty access control list ACCESS DENIED LU pool has empty access control list ACCESS GRAN...

Страница 164: ...specific user the LU would be protected against other clients accessing it As another example assume that you want to offer a service to external customers in different enterprises You could define a...

Страница 165: ...e SunGMI As a master operator you can modify the configuration of the Sun PU2 1 SNA Server or change the status of resources without restriction You can also restrict the control of other system netwo...

Страница 166: ...or that can only access LUs associated with the physical unit PU psite1 or LUs in the pool pool1 Figure 11 3 Master and Restricted Operator To display a list of all currently connected operators and d...

Страница 167: ...nformation Feature The feature provided by the Sun licensing center Note that the only feature currently supported is dependentLU Version The version number provided by the Sun licensing center Number...

Страница 168: ...unGMAN to protect against system failure Each instance of the SunGMAN is referred to as a manager system The following sections describe how to determine the number of manager systems to define how to...

Страница 169: ...ger network 1 Select Window Managers List to display the Managers window 2 Click and hold the right mouse button MB3 and select New Manager from the popup menu The screen displays the Create Manager d...

Страница 170: ...lay The following figure shows a Managers window with three manager systems defined Figure 11 4 Multiple Manager Systems 11 3 3 Recovering from a Loss of Quorum If a manager system fails and causes th...

Страница 171: ...tem and the status display indicates the selected primary manager system If a primary manager system is not determined in a minute or so a quorum of manager systems is not available Repeat steps 4 and...

Страница 172: ...you select multiple resources you will not be able to modify parameters that apply differently to each of the selected resources 3 Select Edit Modify to display the appropriate Modify dialog box 4 Mak...

Страница 173: ...he new configuration Changes should be made immediately Each modified server is immediately terminated and restarted with the new configuration In general when the active configuration is modified and...

Страница 174: ...e box if you want to store auditing information Clear the box if you do not want to store auditing information Max Disk Usage by Audit The percentage of total disk space that can be in use before audi...

Страница 175: ...to display the Enter new name for config dialog box 4 Enter a new name for the configuration in the Configuration Name field and click OK 5 Double click the new configuration to display the resource...

Страница 176: ...User Supplied If you select User Supplied the Date and Time text boxes become available Enter the exact date and time to activate the configuration For the date use the default format for the current...

Страница 177: ...menu bar Click the Enable or Disable toolbar button For more information refer to Section 2 6 1 Toolbar Buttons on page 2 11 Position the mouse pointer over the appropriate resource click and hold the...

Страница 178: ...for use by clients PU2 1 server Start Starts the selected PU2 1 server process Stop Stops the selected PU2 1 server process PU DLC Start Activates the connection to the SNA network Stop Disconnects t...

Страница 179: ...hile using the Sun PU2 1 SNA Server Common Problems describes how to solve some common problems that you may encounter when using the Sun PU2 1 SNA Server Getting Help describes how to get help from S...

Страница 180: ...r dependent LUs the software allows you to display an RTM table Note that if you are monitoring an operational system the status table or RTM table usually contains more information than the configura...

Страница 181: ...rmat and click OK If you want to delete a table format click Delete and then click OK in the confirmation box Note that you cannot delete the Configuration table format Select Table The type of resour...

Страница 182: ...M table format For more information about the RTM variables refer to Table 12 2 on page 12 15 To include an MIB variable in your table format select the variable and click Add The variable is displaye...

Страница 183: ...perStatus The current operational status of the system The value can be Inactive The system has not yet been started Active The system is active and in contact with the Gateway Manager Failed The syst...

Страница 184: ...gsRcvd The number of frames received since start up lanStatsCharsRcvd The number of bytes received since start up lanStatsRcvBadAddr The total number of information frames received with a link station...

Страница 185: ...ckets transmitted since start up lanStatsCharsSent The number of bytes transmitted since start up lanStatsRcvFA The number of aborted frames received lanStatsRcvOvr The number of receive overruns rece...

Страница 186: ...frames received since start up sdlcStatsCharsRcvd The number of bytes received since start up sdlcStatsRcvBadAddr The total number of information frames received with a link station address that does...

Страница 187: ...nderrun errors since start up sdlcStatsXmtWdt The number of lost transmit interrupts since start up sdlcMaxData The maximum size of a received frame QLLC connection qllcOperStatus The current operatio...

Страница 188: ...PU by transmitting an ACTPU request message but the PU has not responded to the activation request If this is a peer connection this state indicates that a data link connection has been established P...

Страница 189: ...rsRcvd The total number of information frame data and control bytes received by this link station since start up pu2StatsReXmits The total number of information frames retransmitted by this link stati...

Страница 190: ...Active Session The SNA host has established an LU LU session with a client SNA program attached to the LU port The SSCP LU session is active luConfigStatus The current configuration status of the dep...

Страница 191: ...the LU pool poolOperStatus Not applicable poolConfigStatus The current configuration status of the LU pool The value can be Default Added Modified or Deleted poolTotalLUs The total number of LUs confi...

Страница 192: ...Monitor NPM response time measurements for sun3270 and TN3270 clients NPM uses definite response mode to measure round trip delay Since only extended TN3270E clients can handle definite responses for...

Страница 193: ...he inbound AID request to the receipt of the next Change Direction indicator End Bracket indicator or keyboard restore request Stop on CDI EBI The time from the transmission of the inbound AID request...

Страница 194: ...1 4 For each boundary the number of times the SNA component of a measured response time fell into its response time range luSnaRTMOverFlow The number of times the SNA component of a measured response...

Страница 195: ...hosts equiv file applies to the entire system In addition operators can maintain their own rhosts files in their home directories Note The etc hosts equiv and rhosts files provide the remote authentic...

Страница 196: ...N and SDLC connections this value defaults to the Device name specified for the connection For more information refer to Section 6 1 Adding a LAN Connection on page 6 1 for LAN connections or Section...

Страница 197: ...ion MAC address is a 12 digit hexadecimal value in the format 0x400010000012 x xmit_size Set the maximum length for a display of a transmitted packet to xmit_size bytes If a transmitted packet exceeds...

Страница 198: ...rn matches the portion of the packet that starts offset bits from the beginning of the packet and extends for length bits For example assume that the pattern is 0xff the offset is 8 bits and the lengt...

Страница 199: ...ame is prefixed by S for Sent frames or R for Received frames The frame is displayed in both hexadecimal HEX format and in ASCII format or EBCDIC format if the e command line option is specified Only...

Страница 200: ...E If the output contains Sent frames only no Receive frames the PU2 1 server is not receiving data If you are connected to a Token Ring Ethernet or FDDI interface make sure that you have specified the...

Страница 201: ...t NMVT 41038d R c1282c0000000001 0b800041038d0000 0000000021808004A 9288001994ed00ec 0000000100000000 00000004000a0014 kh m 00320064 R c131 A We respond to activate LU requests S c1a22d00000201ed eb80...

Страница 202: ...ce2c0002000001 8ba000810620 A a R c1d1 AJ S c10c2c0000020001 838000 A c S c111 A R c1f1 A1 S c111 A R c1f1 A1 We send a login request to NetView and the host responds S c10e2c0000020002 0380009585a3a5...

Страница 203: ...l ring station the Sun PU2 1 SNA Server is not receiving any data Either there is a physical connection problem or the SNA host has not activated your link station Note that the Sun PU2 1 SNA Server t...

Страница 204: ...4000246835794000 1234567804050101 Host sends activate PU ACTPU 11 request We respond R 4000246835794000 1234567804040000 2d00000016dd6b80 0011020105000000 0004 S 4000123456784000 2468357904050102 S 4...

Страница 205: ...fied set of resources Because the traces are selective you can capture problem scenarios that would normally be hidden in the more expansive line trace Note You can also use the Sunscope utility to vi...

Страница 206: ...se to specify all resources If you specify an invalid resource name the trace fails You must delete the failed trace by highlighting the trace and selecting Edit Delete and then configure a new trace...

Страница 207: ...n the file specified by the Output File parameter becomes full the software creates a new file called filename 1 where filename is the file specified by the Output File parameter and continues to writ...

Страница 208: ...nterface link send station name Data messages sent to the PU where station name is the PU name link rcv station name Data messages received from the PU where station name is the PU name Always starts...

Страница 209: ...e user can press the Enter key Note When you press the Enter key to return the session to its previous state the PU 2 1 Server will generate an SNA LUSTAT command indicating to the host Presentation S...

Страница 210: ...Server To display information about any actions you should perform enter the following bmsg PU200001 12 3 Common Problems The following sections contain information about common problems that you may...

Страница 211: ...ib If you see the message Error Can t open display the X display from the machine running the SunGMI cannot open a window on your local workstation To allow access to your screen enter the following f...

Страница 212: ...at run time The product installation procedures create entries in your etc services file and list changes that you should make to your NIS database if used If the port number definitions change or get...

Страница 213: ...to an operational state 12 3 6 A System Fails If a system in the SunGMI is displayed in red and is marked as Failed check the event messages logged in the Events window of the SunGMI The problem may...

Страница 214: ...ammers to ensure that the IBM VTAM NCP components are active A configuration problem exists Verify that the Local Terminal ID matches the remote IDBLK IDNUM definition For Token Ring verify that the S...

Страница 215: ...chine running the SunGMAN process For Solaris verify that the client system is using DNS for hostname lookups The etc nsswitch conf file lists the lookup methods for network services Check user record...

Страница 216: ...ated to the problem such as error messages or sample output To contact Technical Support call your Service Representative Note Services not covered by your maintenance contract may be billable Your Se...

Страница 217: ...ow many servers are needed How are users connected to your TCP IP network today How can you use the features of the Sun PU2 1 SNA Server to maximize your network availability A 1 Platforms Supported S...

Страница 218: ...stalled on every system that is physically connected to an IBM data link The Telnet server is fully integrated into the SunPU21 process SunGMI The SunGMI can be installed on any nodes that you want to...

Страница 219: ...Planning Forms A 3 A A 7 Remote Systems to Connect to A 8 Manager Planning Form A 9 Server Planning Forms A 9 1 General Information Host Comment Name CP Name Initial Status Command Options Comment Dom...

Страница 220: ...e 6 2 Parameters A 9 3 LLC Parameters A 10 System Planning Form A 10 1 General Information Use Unix Security Default User Default Group Use Source Routing Table Size Time out Retries Time to Live Max...

Страница 221: ...A 10 4 Partner LUs Name Comment Session Limit Allow Partner LU to Queue BIND Rep Sync Level SYNCPT Supported Name Network Qualified Name LU Type Base LOCADDR Number of LUs Pacing Window Pool Name Asso...

Страница 222: ...l Sessions Supported CNOS Supported Session Password Minimum Security TP Name Local LU Command Path Initial Status Security Verification Maximum Instances Command Path Basic Conversations Allowed Mapp...

Страница 223: ...bs Allowed Session Control Verbs Allowed Display Verbs Allowed Service TPs Allowed Line Name Comment Device Special Device Max Rcv Frame Duplex Line Type Clock Source Line Speed Poll Pause Timer Monit...

Страница 224: ...97 A A 10 7 LAN Connections A 11 Pool Resource Form A 12 Users Resource Form Line Name Comment Device Interface PPA Local MAC Address Enable Source Routing LAN Speed Maximum Data Size Name Comment Acc...

Страница 225: ...lient Configuration Requirements Name Comment Members sun3270 LUType 2 Local Address Pool Name Access Control sun3287 LUType 1 or LUType 2 Local Address Pool Name sun5250 LUType 6 2 Pool Name Session...

Страница 226: ...A 10 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 A...

Страница 227: ...ver with APPC describes the considerations to keep in mind when using the Sun Name Server with SUNWappc B 1 Domain Name System The Domain Name System DNS is a distributed database of domain name serve...

Страница 228: ...ation The domain administrator maintains the domain s name servers with up to date information about the domain and the name server makes this information available to the rest of the network A domain...

Страница 229: ...administration documentation provided with your system or to DNS and BIND by Paul Albitz and Cricket Liu published by O Reilly and Associates B 2 Sun Name Server Note Before you can use the Sun Name S...

Страница 230: ...t in the widget domain specifies the name TSOPOOL sna the corp DNS will fail to resolve the name request and will refer the request to its parent domain acme User mapping The client specifies its user...

Страница 231: ...Server so that addresses on the local subnetwork are presented before addresses on a remote subnetwork In addition since identical requests for a pooled LU could resolve to different system addresses...

Страница 232: ...boot file the Sun Name Server s start up file and the named db file These files are located in the working directory 4 If you are already running a DNS no further configuration is required Your client...

Страница 233: ...ls to resolve a host name The most popular alternative to DNS is Sun s Network Information System NIS which is distributed by most Unix vendors NIS maintains the system files in synchronization across...

Страница 234: ...open_req sizeof struct lu62_open_req connect to local LU LUSP1 strcpy open_req host LUSP1 sna strcpy open_req lu_name LUSP1 if lu62_open open_req LU62_ERROR printf lu62_open error 0x x n lu62_errno e...

Страница 235: ...ribes the differences between Low Entry Networking LEN and Advanced Peer to Peer Networking APPN APPC and LUType 6 2 describes how the Advanced Program to Program Communication APPC architecture defin...

Страница 236: ...network Note that many hosts communications controllers and cluster controllers can be interconnected to form many interlinked SNA networks Figure C 1 Hierarchical SNA Physical Components The host sys...

Страница 237: ...over X 25 PSDNs by using X 25 virtual circuits VCs The Qualified Logical Link Control QLLC protocol controls the transmission of data across the VC The communications controller through the NCP Packet...

Страница 238: ...es all the network resources and coordinates the establishment of all sessions between NAUs Physical Unit PU Provides services to the SSCP to monitor and control the SNA resources associated with a ph...

Страница 239: ...rarchical SNA network Figure C 2 Hierarchical SNA Logical Components C 1 3 Sessions Data is transferred between logical components using SNA sessions A session provides a logical communications pipe b...

Страница 240: ...LU LU session C 2 Peer to Peer SNA The following sections describe distributed peer to peer networks C 2 1 Physical Components A peer to peer SNA network consists of autonomous nodes linked together...

Страница 241: ...vice Like hierarchical SNA peer to peer SNA supports data link connections over telecommunications lines using SDLC over X 25 PSDNs using QLLC and over IBM Token Ring or Ethernet local area networks O...

Страница 242: ...DLC components functions as a PU2 device Logical Unit LU Entry port for application and service transaction programs The programs can interface directly to end users or the programs can be self conta...

Страница 243: ...xample of a peer to peer SNA session An LUType 6 2 transaction program TP requests a conversation with a remote LU The PU2 1 CP receives the request assigns an address and activates links if necessary...

Страница 244: ...nd can communicate with a peer simultaneously over any of the supported link protocols This allows 3270 displays CICS applications and customized LUType 6 2 TPs to operate concurrently C 4 LEN and APP...

Страница 245: ...intended to support communication between application programs running on any APPC based nodes in an SNA network This enables distributed processing in which two or more TPs running on different syst...

Страница 246: ...of the LUType 6 2 is that it can invoke a local TP when it receives an allocation or Attach request from a remote TP TPs LUType 6 2s and sessions are described from the perspective of the local node T...

Страница 247: ...pecial circumstances sync point The security required on the Attach request to run the TP The process command line to start the TP if required If a TP is not already waiting to accept the Attach reque...

Страница 248: ...ions must be supported The polarity of the sessions The session polarity determines which LUType 6 2 wins if both LUs simultaneously attempt to activate a particular session When the session is a cont...

Страница 249: ...A station that needs to communicate with another station must obtain the token change it from free to busy append any applicable data and transmit the information The receiving station recognizes tha...

Страница 250: ...of the network interface or Token Ring adapter chipset This chipset is the hardware responsible for interfacing to the Token Ring Its functions and features help to maintain the integrity and ensure s...

Страница 251: ...e IBM Token Ring has two basic formats or frames for transmitted information These formats are shown in the following figure Figure D 1 IBM Token Ring Frame Format The first format known as the token...

Страница 252: ...formation identified by the Frame Control are described as follows Medium Access Control MAC is a sublayer to the Data Link Control DLC It is used for lower layer communications activities in various...

Страница 253: ...ard 802 5 provides two address formats for Token Ring networks 16 bit 2 byte and 48 bit 6 byte All nodes on a network must use the same addressing scheme Most networks use the 6 byte format as shown i...

Страница 254: ...le stations on the Token Ring Frames with default group addresses of X C000FFFFFFFF and X FFFFFFFFFFFF known as broadcast addresses are received by all stations on a Token Ring You can define addition...

Страница 255: ...the local SAP and its value cannot be disabled The value of X 00 called the Null SAP is used for ring station identification purposes and must not be used in configuration definitions Many products ha...

Страница 256: ...rgest frame size that can travel over the route Following the routing control field are zero to eight optional 2 byte segment number fields The segment number fields consist of a ring number identifie...

Страница 257: ...bridges communicate with one another and make use of the spanning tree protocol to represent and continuously update the topology of the network The result is that the transmitted frame only occurs o...

Страница 258: ...U2 1 Server Configuration Guide August 1997 D routing Finally Sun products can be run without source routing All values including source routing ring station discovery attempts and maximum frame size...

Страница 259: ...PU2 1 SNA Server performs load balancing to ensure that the client is connected to the best possible LU Load balancing considers available LUs system load and the highest bandwidth SNA data link type...

Страница 260: ...ailable LUs If none are available the server sequentially checks the alternate default resources until it finds an available LU A traditional TN3270 client can specify only a hostname port ID pair for...

Страница 261: ...ain using the name of the user record foo as the resource name foo The connection request is handled by the DNS and sent to SunGMAN for name resolution A sample connection request is as follows suntn3...

Страница 262: ...ime allowing inactive LUs to satisfy the request If the second pass is unsuccessful SunGMAN selects the least recently used system for the preferred resource 3 SunGMAN returns the IP address of the sy...

Страница 263: ...fer to Chapter 10 Configuring Users You must also implement at least one secondary Domain Name System DNS in each geographical location and configure each desktop to point to the secondary DNS This ma...

Страница 264: ...eyword glb is used so that all clients can connect to a resource using the same name At least one secondary DNS has been implemented in each location and each desktop has been configured to point to t...

Страница 265: ...rce is POOL 2 In both cases the preferred resource contains LUs that are geographically closest to the client If the preferred LU pool is distributed across multiple systems and more than one system h...

Страница 266: ...s or an IP Hostname that matches the client s incoming IP hostname to determine which LU to connect the client to If multiple Sun PU2 1 server processes sunPU21 are available the SunSMAN performs load...

Страница 267: ...PU2 1 SNA Server configuration parameters specific to 3270 clients that you must coordinate with the host configuration If you change any of these parameters in one configuration you must make the co...

Страница 268: ...01180 LU LOCADDR X 80 DLOGMOD DCS2K In addition the VTAM log on mode LOGMODE tables require entries describing the operating characteristics of logical units The association between the LU and its LOG...

Страница 269: ...ECPROT X 90 COMPROT X 3080 RUSIZES X 8787 PSNDPAC 0 SRCVPAC 0 SSNDPAC 0 PSERVIC X 010000000000185018507F00 The following example is an LUType 3 printer LOGMODE definition DSC2K MODEENT LOGMODE DSC2K F...

Страница 270: ...e transferred on the SNA bind message during session establishment The following sample configuration shows the LU definitions for six sun3770 RJE data streams LU MACROS BLU01101 LU LOCADDR 1 DLOGMOD...

Страница 271: ...n definitions to include information about the remote devices associated with the sun3770 product The following example defines the line on which JES2 communicates with all SNA devices and a 3770 work...

Страница 272: ...t such as VTAM or CICS you can specify both dependent and independent LUs A dependent LU requires SSCP assistance in establishing a session and must act as a secondary single session LU An independent...

Страница 273: ...be identical for both the CP and the LU and must match the network ID prefix defined for the network The host can also connect to the Sun PU2 1 SNA Server as a peer and use independent LUs In this cas...

Страница 274: ...emote LUType 6 2 has a name that is locally known Use of such locally known LU names allows network reconfiguration to be transparent to the LUType 6 2 programmer The partner LU can reside on either a...

Страница 275: ...E PARALLEL BINDPWD xxxxxxxxxxxxxxxx BINDPWD is the password used for encryption and decryption of random data on both the bind and its associated response This field is matched against the Session Pas...

Страница 276: ...artner LU F 3 3 1 VTAM Mode entries are defined using the MODEENT macro instruction The following parameters are of particular interest FMPROF X 13 TSPROF X 07 SSNDPAC n SRCVPAC n RUSIZES n F 3 3 2 CI...

Страница 277: ...oming Attach requests are directed Access to TPs can be restricted depending on both LU access security and TP resource access security For more information on security issues for APPC refer to Append...

Страница 278: ...PRG1 DTB NO F 4 5250 Clients The following sections describe how to coordinate the AS 400 communications configuration for IBM Token Ring and SDLC connections F 4 1 IBM Token Ring The following table...

Страница 279: ...sure that you use the default local location name value The AS 400 s local adapter address ADPTADR which corresponds to the remote MAC address This value is established when the AS 400 Token Ring line...

Страница 280: ...etwork identifier RMTNETID which is the network name or NETID field of the network qualified CP and LU names The AS 400 s default local location name LCLLOCNAME which corresponds to the partner LU nam...

Страница 281: ...Host Configurations F 15 F The mode name which must be common in both configurations If installed the PC Support 400 installation creates the mode description QPCSUPP...

Страница 282: ...F 16 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 F...

Страница 283: ...ation describes how to use the TP resource access list to verify resource access for peer to peer operations Unix Level Security describes Unix level security for peer to peer operations G 1 Session L...

Страница 284: ...PI C Attach CMALLC call The request is transmitted as an SNA Request Unit RU containing a Function Management Header Type 5 FMH 5 also known as an Attach Allocation requests can also occur as a result...

Страница 285: ...ccess List and Partner LU Minimum Security match criteria Verify against Partner LU Minimum Security Partner LU minimum security valid Perform resource access verification against UserID Profile using...

Страница 286: ...ready Verified and is not checked for a password If no security parameters are defined for an LU no security parameters are contained in the Attach and the partner LU expects no security the Attach is...

Страница 287: ...ciated NIS password database file is not modified for security reasons Therefore you must manually add the user ID specified for the PU2 1 server either the default name sunlu62 or any other name you...

Страница 288: ...G 6 SunLink SNA 9 1 PU2 1 Server Configuration Guide August 1997 G...

Страница 289: ...ng 11 12 ACTPU requesting 7 7 Advanced dialog box 2 16 Advanced Peer to Peer Networking see APPN Advanced Program to Program Communications see APPC AFTP server enabling 4 5 AID key 12 30 specifying 1...

Страница 290: ...2 modifying 11 12 11 15 options 1 5 tasks 3 2 window 2 5 Configuration Name parameter 11 14 Connect Timeout parameter 6 11 Connection Type parameter 6 8 Connections channel 1 10 Connections LAN 1 8 1...

Страница 291: ...u 2 13 Enable AFTP Server parameter 4 5 Enable TCP IP Keepalive parameter dependent LU 8 6 user 10 5 Error handling 12 32 Ethernet 1 8 1 9 see also LAN connections Event log 12 16 Events window 2 7 Ex...

Страница 292: ...ion options 1 5 Interface parameter 6 3 Invoking actions 2 10 IP Address parameter 10 4 IP Host parameter QLLC connections 6 11 IP Hostname parameter user 10 4 K Keep alive option enabling 8 6 10 5 Ke...

Страница 293: ...nects parameter 6 11 Max Data parameter PU 7 7 Max Disk Usage by Audit parameter 11 14 Max Instances parameter 9 16 Max Rcv Frame parameter 6 6 Maximizing a window 2 9 Maximum Data Size parameter LAN...

Страница 294: ...connecting to domain 2 3 LUType 6 2 user 9 12 user 10 4 P Bit Timeout parameter 7 8 Peer to peer operations 1 21 see also APPC Permanent virtual circuit specifying 6 8 Physical Link Type parameter 6...

Страница 295: ...Dependent LUs Independent LUs Resource access list see TP resource access list Resources parameter 12 28 Response Count parameter 7 8 Response Time Monitor see RTM Response Timer parameter 7 8 Restor...

Страница 296: ...Management Interface see SunGMI Sun Name Server 1 4 B 3 using with APPC B 7 Sun PU2 1 server process see PU2 1 server process Sun System Manager see SunSMAN Sun3270 1 16 coordinating host configurati...

Страница 297: ...28 Traces window 2 7 Traditional TN3270 see TN3270 Transaction program see TP Transfer Mode parameter 7 9 Troubleshooting 12 1 TWA specifying 7 9 Two way alternating simultaneous specifying 7 9 TWS sp...

Страница 298: ...sing 2 10 configuration 2 5 Events 2 7 main 2 3 Managers 2 6 maximizing 2 9 menu 2 15 minimizing 2 9 resource 2 8 restoring 2 10 tiling 2 10 Traces 2 7 Window Increment parameter 7 9 Window Size param...

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