IF-MIB :: ifHighSpeed

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsIF-MIBifHighSpeed

ifHighSpeed

Module: IF-MIB

OID (symbolic): IF-MIB::ifHighSpeed

OID (numeric): 1.3.6.1.2.1.31.1.1.1.15

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

Description: An estimate of the interface's current bandwidth in units of 1,000,000 bits per second. If this object reports a value of `n' then the speed of the interface is somewhere in the range of `n-500,000' to `n+499,999'. For interfaces which do not vary in bandwidth or for those where no accurate estimation can be made, this object should contain the nominal bandwidth. For a sub-layer which has no concept of bandwidth, this object should be zero.

What is ifHighSpeed?

This object reports the interface bandwidth estimate in units of 1 million bits per second, used when speeds exceed 4 Gbps where the older 32-bit counter would overflow. An operator uses it to monitor link speed for capacity planning and to verify that negotiated speeds match expectations. For interfaces with constant bandwidth, this reports the nominal speed.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.31.1.1.1.15
snmpwalk -v2c -c public <target> IF-MIB::ifHighSpeed

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.31.1.1.1.15.1
snmpget -v2c -c public <target> IF-MIB::ifHighSpeed.1

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OID Breakdown

Upper-level ancestors (6 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
Numeric OIDNameModule
1.3.6.1.2.1.31ifMIBIF-MIB
1.3.6.1.2.1.31.1ifMIBObjectsIF-MIB
1.3.6.1.2.1.31.1.1ifXTableIF-MIB
1.3.6.1.2.1.31.1.1.1ifXEntryIF-MIB
1.3.6.1.2.1.31.1.1.1.15ifHighSpeedIF-MIB