CISCO-ENHANCED-IPSEC-FLOW-MIB :: ceipSecTunPmtu

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-ENHANCED-IPSEC-FLOW-MIBceipSecTunPmtu

ceipSecTunPmtu

Module: CISCO-ENHANCED-IPSEC-FLOW-MIB

OID (symbolic): CISCO-ENHANCED-IPSEC-FLOW-MIB::ceipSecTunPmtu

OID (numeric): 1.3.6.1.4.1.9.9.432.1.1.2.1.31

Node type: OBJECT-TYPE

Type: CIPsecPmtu

Access: read-only

Description: The Path MTU for this IPsec Phase-2 tunnel, which has been either learnt from the network or which has been specified by the administrator. The lower end of the range is 68 which is the minimum MTU for IPv4.

What is ceipSecTunPmtu?

Reports the Path MTU for this IPsec Phase-2 tunnel, either learned from the network or configured by the administrator, with a minimum of 68 bytes (the smallest allowed IPv4 MTU).

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.432.1.1.2.1.31
snmpwalk -v2c -c public <target> CISCO-ENHANCED-IPSEC-FLOW-MIB::ceipSecTunPmtu

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.432.1.1.2.1.31.1
snmpget -v2c -c public <target> CISCO-ENHANCED-IPSEC-FLOW-MIB::ceipSecTunPmtu.1

Start monitoring Cisco router/firewall/VPN concentrator terminating IPsec tunnels with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-ENHANCED-IPSEC-FLOW-MIB::ceipSecTunPmtu OID value, configure state conditions and alerts, and monitor any Cisco router/firewall/VPN concentrator terminating IPsec tunnels 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
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.432ciscoEnhancedIpsecFlowMIBCISCO-ENHANCED-IPSEC-FLOW-MIB
1.3.6.1.4.1.9.9.432.1ciscoEnhancedIpsecFlowMIBObjectsCISCO-ENHANCED-IPSEC-FLOW-MIB
1.3.6.1.4.1.9.9.432.1.1ceipSecPhaseTwoCISCO-ENHANCED-IPSEC-FLOW-MIB
1.3.6.1.4.1.9.9.432.1.1.2ceipSecTunnelTableCISCO-ENHANCED-IPSEC-FLOW-MIB
1.3.6.1.4.1.9.9.432.1.1.2.1ceipSecTunnelEntryCISCO-ENHANCED-IPSEC-FLOW-MIB
1.3.6.1.4.1.9.9.432.1.1.2.1.31ceipSecTunPmtuCISCO-ENHANCED-IPSEC-FLOW-MIB