IV47678: GATEWAY INTERFACE LOOKUPS SHOULD ACCEPT PLAIN IFNAME IN LOCALPRIOBJ IF NO MATCH IN THE FORMAT "IFENTRY.<IFNAME>"

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 - FP1, FP2 and FP3
  
  Syslog interface alarms were not being matched to interfaces in
  the topology. ExtractIfString.stch assumes that in the ifDescr
  value in the LocalPriObj or LocalRootObj were prefixed with a
  "ifEntry." string as is the convention for the ifIndex in
  interface traps. If a customer syslog rules just populate these
  fields with an unprefixed ifDescr value - so no syslog interface
  alarms would be successful in topology lookup and were instead
  being associated with the chassis (as if the interface wasn't in
  the topology).
  
  Ideally the stitcher should do following:
  (a) Try to extract <string> from 'ifEntry.string' as we
  currently do. Do a look-up on 'string' if that succeeds
  (b) If the string didn't have the format ifEntry.string, (ie the
  regex extraction failed), try to lookup the whole string
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All ITNM 3.9 & 4.1 Users                                     *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * The gateway expects the LocalPriObj or LocalRootObj fields   *
  * of an interface event to identify the interface with a value *
  * of the format 'ifEntry.<data>', where data can be values     *
  * such as ifIndex or ifName. This ensures that the value used  *
  * is really about an interface, as opposed to being, say, a    *
  * card number.Some syslog events are generated which have the  *
  * ifName as a plain string, without the 'ifEntry.' prefix. The *
  * problem is that these are not currently matched to the       *
  * interface by the gateway.                                    *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * | fix pack | 3.9.0-ITNMIP-FP0004                             *
  * | fix pack | 4.1.0-ITNMIP-FP0001                             *
  ****************************************************************
  

Problem conclusion

• If the gateway does not find the 'ifEntry.' prefix in the
  LocalPriObj or LocalRootObj fields, it now falls back to perform
  a lookup of the whole text field against the ifName, ifAlias or
  ifDescr.
  

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