IPsecT1-MIB :: ipsecTunHistInDecompOctets

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

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ipsecTunHistInDecompOctets

Module: IPsecT1-MIB

OID (symbolic): IPsecT1-MIB::ipsecTunHistInDecompOctets

OID (numeric): 1.3.6.1.4.1.2.6.168.1.1.1.1.4.3.1.1.28

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: The total number of decompressed octets received by this ipsec Phase-2 Tunnel. This value is accumulated AFTER the packet is decompressed. If compression is not being used, this value will match the value of ipsecTunInOctets. See also ipsecTunInDecompOctWraps for the number of times this counter has wrapped.

What is ipsecTunHistInDecompOctets?

Total octets received by this ended Phase-2 (IPsec) tunnel, kept as a history record (the value no longer changes), counted after decompression. It equals the pre-decompression octet count when compression is off, so a larger value shows compression is saving bandwidth. It is a 32-bit counter, so it wraps (at 4,294,967,295, in roughly 6 minutes at a sustained 100 Mbit/s).

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2.6.168.1.1.1.1.4.3.1.1.28
snmpwalk -v2c -c public <target> IPsecT1-MIB::ipsecTunHistInDecompOctets

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2.6.168.1.1.1.1.4.3.1.1.28.1
snmpget -v2c -c public <target> IPsecT1-MIB::ipsecTunHistInDecompOctets.1

Start monitoring IPsec-capable router/firewall/VPN gateway (Tivoli/Cisco IPsec management tooling) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the IPsecT1-MIB::ipsecTunHistInDecompOctets OID value, configure state conditions and alerts, and monitor any IPsec-capable router/firewall/VPN gateway (Tivoli/Cisco IPsec management tooling) from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.2ibmATM-ADAPTER-MIB
1.3.6.1.4.1.2.6ibmProdATM-ADAPTER-MIB
Numeric OIDNameModule
1.3.6.1.4.1.2.6.168.1.1.1ipsecMIBIPsecT1-MIB
1.3.6.1.4.1.2.6.168.1.1.1.1ipsecMIBObjectsIPsecT1-MIB
1.3.6.1.4.1.2.6.168.1.1.1.1.4ipsecHistoryIPsecT1-MIB
1.3.6.1.4.1.2.6.168.1.1.1.1.4.3ipsecHistPhaseTwoIPsecT1-MIB
1.3.6.1.4.1.2.6.168.1.1.1.1.4.3.1ipsecTunnelHistTableIPsecT1-MIB
1.3.6.1.4.1.2.6.168.1.1.1.1.4.3.1.1ipsecTunnelHistEntryIPsecT1-MIB
1.3.6.1.4.1.2.6.168.1.1.1.1.4.3.1.1.28ipsecTunHistInDecompOctetsIPsecT1-MIB