AC-SYSTEM-MIB :: acSysIPSecSPDProposal3Encryption

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsAC-SYSTEM-MIBacSysIPSecSPDProposal3Encryption

acSysIPSecSPDProposal3Encryption

Module: AC-SYSTEM-MIB

OID (symbolic): AC-SYSTEM-MIB::acSysIPSecSPDProposal3Encryption

OID (numeric): 1.3.6.1.4.1.5003.9.10.10.1.7.22.21.1.15

Node type: OBJECT-TYPE

Type: INTEGER

Access: read-create

Description: IPsec Policy - Proposal 3 encryption type. Access: Instant. AC INI-Param: IPSECPOLICYPROPOSALENCRYPTION_3

What is acSysIPSecSPDProposal3Encryption?

This OID sets the encryption algorithm for the fourth and final IPsec encryption proposal, completing the negotiation fallback chain. Engineers use this last proposal as a last resort to ensure connectivity with legacy or unusual endpoints that don't support modern encryption. Setting Proposal 3 to a legacy algorithm like DES (if still supported) ensures nearly any IPsec peer can establish a tunnel, albeit at reduced security.

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
1.3.6.1.4.1.5003audioCodesAC-ATM-MIB
1.3.6.1.4.1.5003.9acProductsAC-ATM-MIB
1.3.6.1.4.1.5003.9.10acBoardMibsAC-ATM-MIB
Numeric OIDNameModule
1.3.6.1.4.1.5003.9.10.10acSystemAC-SYSTEM-MIB
1.3.6.1.4.1.5003.9.10.10.1acSystemConfigurationAC-SYSTEM-MIB
1.3.6.1.4.1.5003.9.10.10.1.7acSysSecurityAC-SYSTEM-MIB
1.3.6.1.4.1.5003.9.10.10.1.7.22acSysIPSecAC-SYSTEM-MIB
1.3.6.1.4.1.5003.9.10.10.1.7.22.21acSysIPSecSPDTableAC-SYSTEM-MIB
1.3.6.1.4.1.5003.9.10.10.1.7.22.21.1acSysIPSecSPDEntryAC-SYSTEM-MIB
1.3.6.1.4.1.5003.9.10.10.1.7.22.21.1.15acSysIPSecSPDProposal3EncryptionAC-SYSTEM-MIB