CISCO-ES-STACK-MIB :: ciscoEsPortInBufOverflows

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-ES-STACK-MIBciscoEsPortInBufOverflows

ciscoEsPortInBufOverflows

Module: CISCO-ES-STACK-MIB

OID (symbolic): CISCO-ES-STACK-MIB::ciscoEsPortInBufOverflows

OID (numeric): 1.3.6.1.4.1.9.5.14.4.1.1.21

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: Total Number of Frames received on this port which caused a receive buffer overflow.

What is ciscoEsPortInBufOverflows?

Read-only counter tracking how many incoming frames on this port were dropped because the receive buffer overflowed, indicating the port could not keep up with inbound traffic.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.5.14.4.1.1.21
snmpwalk -v2c -c public <target> CISCO-ES-STACK-MIB::ciscoEsPortInBufOverflows

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.5.14.4.1.1.21.1
snmpget -v2c -c public <target> CISCO-ES-STACK-MIB::ciscoEsPortInBufOverflows.1

Start monitoring Cisco Catalyst chassis with EtherSwitch stacking modules (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-ES-STACK-MIB::ciscoEsPortInBufOverflows OID value, configure state conditions and alerts, and monitor any Cisco Catalyst chassis with EtherSwitch stacking modules (legacy) from a single console.

OID Breakdown

Upper-level ancestors (7 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
Numeric OIDNameModule
1.3.6.1.4.1.9.5workgroupCISCO-ES-STACK-MIB
1.3.6.1.4.1.9.5.14esStackCISCO-ES-STACK-MIB
1.3.6.1.4.1.9.5.14.4ciscoEsPortCISCO-ES-STACK-MIB
1.3.6.1.4.1.9.5.14.4.1ciscoEsPortTableCISCO-ES-STACK-MIB
1.3.6.1.4.1.9.5.14.4.1.1ciscoEsPortEntryCISCO-ES-STACK-MIB
1.3.6.1.4.1.9.5.14.4.1.1.21ciscoEsPortInBufOverflowsCISCO-ES-STACK-MIB