CISCO-MPLS-TE-STD-EXT-MIB :: cmplsTunnelAutoBWUnderflowOccurrences

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CISCO-MPLS-TE-STD-EXT-MIB › cmplsTunnelAutoBWUnderflowOccurrences

cmplsTunnelAutoBWUnderflowOccurrences

Module: CISCO-MPLS-TE-STD-EXT-MIB

OID (symbolic): CISCO-MPLS-TE-STD-EXT-MIB::cmplsTunnelAutoBWUnderflowOccurrences

OID (numeric): 1.3.6.1.4.1.9.9.738.1.1.1.20

Node type: OBJECT-TYPE

Type: Counter32

Access: read-only

Description: This object indicates the number of underflow occurrences since last application period. If mplsTunnelInstance is zero this object will be set to zero. This object value is not aplicable if cmplsTunnelAutoBWStatus is 'autoBWDisabled'.

What is cmplsTunnelAutoBWUnderflowOccurrences?

A read-only counter tracking how many bandwidth-underflow events have happened on the tunnel since the last auto-bandwidth application period.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.738.1.1.1.20
snmpwalk -v2c -c public <target> CISCO-MPLS-TE-STD-EXT-MIB::cmplsTunnelAutoBWUnderflowOccurrences

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.738.1.1.1.20.1
snmpget -v2c -c public <target> CISCO-MPLS-TE-STD-EXT-MIB::cmplsTunnelAutoBWUnderflowOccurrences.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> cmplsTunnelAutoBWUnderflowOccurrences.1

Start monitoring Cisco MPLS-TE routers/label switch routers with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-MPLS-TE-STD-EXT-MIB::cmplsTunnelAutoBWUnderflowOccurrences OID value, configure state conditions and alerts, and monitor any Cisco MPLS-TE routers/label switch routers 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
1.3.6.1.4.1.9.9.738cmplsTeStdExtMIBCISCO-MPLS-TE-STD-EXT-MIB
1.3.6.1.4.1.9.9.738.1cmplsTeStdExtMIBObjectsCISCO-MPLS-TE-STD-EXT-MIB
1.3.6.1.4.1.9.9.738.1.1cmplsTunnelAutoBWTableCISCO-MPLS-TE-STD-EXT-MIB
1.3.6.1.4.1.9.9.738.1.1.1cmplsTunnelAutoBWEntryCISCO-MPLS-TE-STD-EXT-MIB
1.3.6.1.4.1.9.9.738.1.1.1.20cmplsTunnelAutoBWUnderflowOccurrencesCISCO-MPLS-TE-STD-EXT-MIB