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Introducing the CiscoWorks Blue Maps and SNA View Mainframe Applications

Introducing the CiscoWorks Blue Maps and SNA View Mainframe Applications

This chapter introduces the features of the mainframe application and contains the following major sections:

What is the CiscoWorks Blue Mainframe Application

The CiscoWorks Blue mainframe application acts solely as a server to provide Systems Network Architecture (SNA) resource information to the CiscoWorks Blue Maps and SNA View applications on workstations. There are no end-user functions provided. For information about how the SNA information is used at the workstation, see the CiscoWorks Blue Maps and SNA View Workstation Installation and Administration Guide or the CiscoWorks Blue Maps and SNA View User Guide.

What SNA Functions are Provided?

The CiscoWorks Blue Maps and SNA View products obtain SNA PU and LU resource information from VTAM at a mainframe computer and correlate that information, at a UNIX workstation, with the Cisco routers that are associated with the PUs and LUs. Maps and SNA View consist of two components: a Multiple Virtual Storage (MVS) system mainframe application and a UNIX workstation application.

The mainframe component provides the SNA PU and LU information to the workstation program. It runs as a started task under OS/390 (MVS/Enterprise Systems Architecture).

The workstation component obtains the PU and LU information from the mainframe and stores it in a database at the workstation.


Note PUs connected using the remote source route bridging (RSRB) protocol and a CIP or 3172 connection to the mainframe will not benefit from the correlation feature. This means that the Maps and SNA View applications will not be able to determine which routers these PUs are dependent on for connectivity to the mainframe.

The workstation program provides the user with PU and LU information. To provide these services to the workstation user, the mainframe application uses the interfaces described in the following sections.

VTAM XID Configuration Services Exit

When you install the mainframe application, you get a fully functional Virtual Telecommunications Access Method (VTAM) exchange identification (XID) configuration services exit routine. For more information, read the section "Updating MVS and VTAM"in the "Updating the Mainframe Application Software" chapter.

Mainframe Parameter Cards

The mainframe application provides a set of initialization parameter cards with which you customize the mainframe application. For more information, read the section "Updating the Mainframe Configuration File (NSPPARM)"in the "Updating the Mainframe Application Software" chapter.

Mainframe Commands

The mainframe application provides a set of mainframe commands with which you configure and monitor the mainframe environment. You can start, stop, and display status for the mainframe subtasks. For more information, read the section "Issuing Mainframe Commands"in the "Using the Mainframe Application" chapter.

Mainframe Subtasks

The mainframe application includes a series of subtasks that run on the mainframe. These subtasks provide connections to the workstations and PU/LU discovery and monitoring. For more information, read the section "Mainframe Subtasks"in the "Using the Mainframe Application" chapter.

What's New in Software Release 2.0

This section lists the major changes for CiscoWorks Blue Maps and SNA View 2.0.


Table 1-1: Maps 1.2 and Maps 2.0 Interfaces
Old Interface New Interface

runappn

cwb start appn

rundlsw

cwb start dlsw

runrsrb

cwb start rsrb

cwbconfigure

cwb config

runprocess process_name

cwb start process_name

cwbinstall

setup.sh

cwbhttpd_start.sh

autostarted by Process Manager

cwbhttpd_stop.sh

autostopped by Process Manager

dbutil

cwb verify

dbutil -c

cwb clear db


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Posted: Wed Jun 30 06:27:38 PDT 1999
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