JNX-IPSEC-MONITOR-MIB :: jnxIpSecTunMtu

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsJNX-IPSEC-MONITOR-MIBjnxIpSecTunMtu

jnxIpSecTunMtu

Module: JNX-IPSEC-MONITOR-MIB

OID (symbolic): JNX-IPSEC-MONITOR-MIB::jnxIpSecTunMtu

OID (numeric): 1.3.6.1.4.1.2636.3.22.1.3.1.1.12

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: MTU value of this Phase-2 tunnel.

What is jnxIpSecTunMtu?

This read-only value reports the MTU of this Phase-2 tunnel. An admin troubleshooting fragmentation or path-MTU issues over a VPN checks this to see the effective MTU after IPsec encapsulation overhead.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2636.3.22.1.3.1.1.12
snmpwalk -v2c -c public <target> JNX-IPSEC-MONITOR-MIB::jnxIpSecTunMtu

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.2636.3.22.1.3.1.1.12.1
snmpget -v2c -c public <target> JNX-IPSEC-MONITOR-MIB::jnxIpSecTunMtu.1

Start monitoring Juniper SRX firewall / router (IPsec VPN tunnel monitoring) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the JNX-IPSEC-MONITOR-MIB::jnxIpSecTunMtu OID value, configure state conditions and alerts, and monitor any Juniper SRX firewall / router (IPsec VPN tunnel monitoring) 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
1.3.6.1.4.1.2636juniperMIBJUNIPER-SMI
1.3.6.1.4.1.2636.3jnxMibsJUNIPER-SMI
Numeric OIDNameModule
1.3.6.1.4.1.2636.3.22jnxIpSecMonitorMIBJNX-IPSEC-MONITOR-MIB
1.3.6.1.4.1.2636.3.22.1jnxIpSecMIBObjectsJNX-IPSEC-MONITOR-MIB
1.3.6.1.4.1.2636.3.22.1.3jnxIpSecPhaseTwoJNX-IPSEC-MONITOR-MIB
1.3.6.1.4.1.2636.3.22.1.3.1jnxIpSecTunnelTableJNX-IPSEC-MONITOR-MIB
1.3.6.1.4.1.2636.3.22.1.3.1.1jnxIpSecTunnelEntryJNX-IPSEC-MONITOR-MIB
1.3.6.1.4.1.2636.3.22.1.3.1.1.12jnxIpSecTunMtuJNX-IPSEC-MONITOR-MIB