CISCO-C2900-MIB :: c2900PortFloodUnknownUnicasts

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCISCO-C2900-MIBc2900PortFloodUnknownUnicasts

c2900PortFloodUnknownUnicasts

Module: CISCO-C2900-MIB

OID (symbolic): CISCO-C2900-MIB::c2900PortFloodUnknownUnicasts

OID (numeric): 1.3.6.1.4.1.9.9.87.1.4.1.1.17

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-write

Description: This object controls the forwarding of unknown unicast frames to this port. When set to true(1), the switch will, upon receiving a frame with an unknown unicast destination address from another port, transmit the frame to this port. When set to false(2), switch will filter and not transmit said frames to this port. Default value: false(2) for ports using the security or monitor application; true(1) for all other usage applications.

What is c2900PortFloodUnknownUnicasts?

Configures whether frames with an unknown unicast destination address received on another port are forwarded out this port (true) or not (false).

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.87.1.4.1.1.17
snmpwalk -v2c -c public <target> CISCO-C2900-MIB::c2900PortFloodUnknownUnicasts

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.87.1.4.1.1.17.1
snmpget -v2c -c public <target> CISCO-C2900-MIB::c2900PortFloodUnknownUnicasts.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.9.9.87.1.4.1.1.17.1 s <value>

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> c2900PortFloodUnknownUnicasts.1

Start monitoring Cisco Catalyst 2900 series switch (legacy) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-C2900-MIB::c2900PortFloodUnknownUnicasts OID value, configure state conditions and alerts, and monitor any Cisco Catalyst 2900 series switch (legacy) 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
1.3.6.1.4.1.9.9.87ciscoC2900MIBCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1c2900MIBObjectsCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4c2900PortCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4.1c2900PortTableCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4.1.1c2900PortEntryCISCO-C2900-MIB
1.3.6.1.4.1.9.9.87.1.4.1.1.17c2900PortFloodUnknownUnicastsCISCO-C2900-MIB