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Cisco Bug: CSCvu91792 - SNMP IfInDiscards OIDs for Internal-Data 0/0 and 0/1 may return incorrect values

Last Modified

Sep 03, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.10(1.28)

Description (partial)

Symptom:
SNMP query for  OID ifInDiscards for Internal-Data 0/0 and 0/1 may return incorrect values. The returned value is usually the same as the ifInDiscards counter in one of the named data interfaces. Example:

IF-MIB::ifInDiscards.2 = Counter32: 371
IF-MIB::ifInDiscards.3 = Counter32: 371
IF-MIB::ifInDiscards.4 = Counter32: 0
IF-MIB::ifInDiscards.5 = Counter32: 0
IF-MIB::ifInDiscards.6 = Counter32: 0
IF-MIB::ifInDiscards.7 = Counter32: 1
IF-MIB::ifInDiscards.8 = Counter32: 9
IF-MIB::ifInDiscards.9 = Counter32: 50
IF-MIB::ifInDiscards.10 = Counter32: 371
IF-MIB::ifDescr.2 = STRING: Adaptive Security Appliance 'Internal-Data0/0' interface
IF-MIB::ifDescr.3 = STRING: Adaptive Security Appliance 'Internal-Data0/1' interface
IF-MIB::ifDescr.4 = STRING: Adaptive Security Appliance 'nlp_int_tap' interface
IF-MIB::ifDescr.5 = STRING: Adaptive Security Appliance 'Internal-Data0/3' interface
IF-MIB::ifDescr.6 = STRING: Adaptive Security Appliance 'Port-channel30' interface
IF-MIB::ifDescr.7 = STRING: Adaptive Security Appliance 'dmz' interface
IF-MIB::ifDescr.8 = STRING: Adaptive Security Appliance 'outside' interface
IF-MIB::ifDescr.9 = STRING: Adaptive Security Appliance 'inside' interface
IF-MIB::ifDescr.10 = STRING: Adaptive Security Appliance 'diagnostic' interface

Conditions:
Firepower 9300 with SM-44 Module. Other modules are not affected.
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