IV47816: RCAPATHTOOL RESULTS DIFFER FROM ACTUAL CONNECTIVITY(LAYER2) EVEN THOUGH RCA END RESULTS ARE ACCCURATE

IBM Tivoli Network Manager IP 3.9.0 Fix Pack 4, 3.9.0-TIV-ITNMIP-FP0004
IBM Tivoli Network Manager IP Edition 3.9.0 Fix Pack 5, 3.9.0-TIV-ITNMIP-FP0005

APAR status

• Closed as program error.

Error description

• v3.9- applicable for fp1, fp2 & fp3 - platform independent
  
  RCA path tool(ncp_pathtool) supposed to use the shortest path,
  instead it uses some random path which is inaccurate.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All ITNM 3.9 & 4.1 users                                     *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * ncp_g_event pathtool shows too many nodes that are unrelated *
  * to the A-Z path.                                             *
  * RCA path tool(ncp_pathtool) supposed to use the shortest     *
  * path,                                                        *
  * instead it uses some random path which is inaccurate.        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * | fix pack | 3.9.0-ITNMIP-FP0004                             *
  * | fix pack | 4.1.0-ITNMIP-FP0001                             *
  ****************************************************************
  

Problem conclusion

• Pathtool now uses the shortest path algorithm instead of a
  simple breadth first search.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  NC/PRECISIONIP

• Fixed component ID

  5724O52RC

Applicable component levels

• R390 PSN

     UP

• R390 PSY

     UP

• R410 PSN

     UP

• R410 PSY

     UP