IF-MIB :: ifMtu

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIF-MIBifMtu

ifMtu

Module: IF-MIB

OID (symbolic): IF-MIB::ifMtu

OID (numeric): 1.3.6.1.2.1.2.2.1.4

Node type: OBJECT-TYPE

Type: Integer32

Access: read-only

Description: The size of the largest packet which can be sent/received on the interface, specified in octets. For interfaces that are used for transmitting network datagrams, this is the size of the largest network datagram that can be sent on the interface.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.2.2.1.4
snmpwalk -v2c -c public <target> IF-MIB::ifMtu

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.2.2.1.4.1
snmpget -v2c -c public <target> IF-MIB::ifMtu.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
1.3.6.1.2mgmtAXON-MIB
1.3.6.1.2.1mib_2AXON-MIB
1.3.6.1.2.1.2interfacesCHECKPOINT-MIB-2
1.3.6.1.2.1.2.2ifTableCHECKPOINT-MIB-2
1.3.6.1.2.1.2.2.1ifEntryCHECKPOINT-MIB-2
Numeric OIDNameModule
1.3.6.1.2.1.2.2.1.4ifMtuIF-MIB