AVAYA-IPSEC-MIB :: avipsTunnelInDropHmacFailPkts

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsAVAYA-IPSEC-MIBavipsTunnelInDropHmacFailPkts

avipsTunnelInDropHmacFailPkts

Module: AVAYA-IPSEC-MIB

OID (symbolic): AVAYA-IPSEC-MIB::avipsTunnelInDropHmacFailPkts

OID (numeric): 1.3.6.1.4.1.6889.2.6.1.1.4.1.3.1.27

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: The number of packets discarded after being received through this tunnel due to HMAC verification failure.

This counter is zeroized when: o Issuing 'clear crypto sa counters' in CLI. o Setting avipsMonitorRstCntrs in MIB (equivalent to above). o Issuing 'clear crypto sa all' in CLI. o Activating the crypto-list on an interface for the first time. o Failing-over to a different peer. o Learning a new local-address (DHCP, PPPoE, user config).

What is avipsTunnelInDropHmacFailPkts?

This read-only counter tracks packets discarded on receipt through this tunnel specifically because they failed HMAC (integrity) verification, which usually points to a key/algorithm mismatch or corrupted/tampered packets.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.6889.2.6.1.1.4.1.3.1.27
snmpwalk -v2c -c public <target> AVAYA-IPSEC-MIB::avipsTunnelInDropHmacFailPkts

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.6889.2.6.1.1.4.1.3.1.27.1
snmpget -v2c -c public <target> AVAYA-IPSEC-MIB::avipsTunnelInDropHmacFailPkts.1

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OID Breakdown

Upper-level ancestors (9 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.6889avayaAV-APPLICATION-ENABLEMENT-SERVICES-MIB
1.3.6.1.4.1.6889.2mibsAV-APPLICATION-ENABLEMENT-SERVICES-MIB
1.3.6.1.4.1.6889.2.6avGatewayMibsAVAYAGEN-MIB
Numeric OIDNameModule
1.3.6.1.4.1.6889.2.6.1avayaIpsecMibAVAYA-IPSEC-MIB
1.3.6.1.4.1.6889.2.6.1.1avipsMIBObjectsAVAYA-IPSEC-MIB
1.3.6.1.4.1.6889.2.6.1.1.4avipsMonitoringGroupAVAYA-IPSEC-MIB
1.3.6.1.4.1.6889.2.6.1.1.4.1avipsMonitoringTablesAVAYA-IPSEC-MIB
1.3.6.1.4.1.6889.2.6.1.1.4.1.3avipsTunnelTableAVAYA-IPSEC-MIB
1.3.6.1.4.1.6889.2.6.1.1.4.1.3.1avipsTunnelEntryAVAYA-IPSEC-MIB
1.3.6.1.4.1.6889.2.6.1.1.4.1.3.1.27avipsTunnelInDropHmacFailPktsAVAYA-IPSEC-MIB