ifMtu

OBS ✓
IF-MIB · .1.3.6.1.2.1.2.2.1.4
Commands MIB view Table view

Object

column SNMPv2-SMIInteger32 
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.
Observium directly uses this object
This object is referenced by an Observium discovery or polling workflow.
Used in: Ports
Explore Observium network monitoring

Context

MIB
IF-MIB
OID
.1.3.6.1.2.1.2.2.1.4
Type
column
Access
readonly
Status
current
Parent
ifEntry
Groups
3

Net-SNMP examples

How SNMP and these commands work

Walk the column to discover its indexed instances, or supply every index to read one instance.

Walk the column
/usr/bin/snmpbulkwalk -v2c -c '<community>' -Pud -Ir -OQUs -m 'IF-MIB' -M '/opt/observium/mibs/rfc:/opt/observium/mibs/net-snmp' 'udp:<hostname>:161' 'IF-MIB::ifMtu'
More examples
Read one indexed instance
/usr/bin/snmpget -v2c -c '<community>' -Pud -Ir -OQUv -m 'IF-MIB' -M '/opt/observium/mibs/rfc:/opt/observium/mibs/net-snmp' 'udp:<hostname>:161' 'IF-MIB::ifMtu.<ifIndex>'
Translate to a numeric OID
/usr/bin/snmptranslate -Pud -Ir -On -m 'IF-MIB' -M '/opt/observium/mibs/rfc:/opt/observium/mibs/net-snmp' 'IF-MIB::ifMtu'

Syntax

SNMPv2-SMIInteger32
Source
SNMPv2-SMIInteger32
Base type
Integer32

Values & Constraints

Type Constraints
range: -2147483648..2147483647

Conformance

Member of
ifHCPacketGroup ifPacketGroup ifVHCPacketGroup