LB3GH-1-0-7 :: lbBridgePortReceiveSecurityDiscards

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › LB3GH-1-0-7 › lbBridgePortReceiveSecurityDiscards

lbBridgePortReceiveSecurityDiscards

Module: LB3GH-1-0-7

OID (symbolic): LB3GH-1-0-7::lbBridgePortReceiveSecurityDiscards

OID (numeric): 1.3.6.1.4.1.43.7.1.21.2.1.14

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: The number of frames discarded by this port because they contained source addresses which were statically configured on another bridge port. A statically configured address (station), which is not allowed to move, appears to have moved.

What is lbBridgePortReceiveSecurityDiscards?

Counts frames discarded because their source MAC address is statically pinned to a different bridge port -- i.e. a station that should not move appears to have moved, which can indicate a misconfiguration, a spoofing attempt, or a cabling mistake.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.43.7.1.21.2.1.14
snmpwalk -v2c -c public <target> LB3GH-1-0-7::lbBridgePortReceiveSecurityDiscards

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.43.7.1.21.2.1.14.1
snmpget -v2c -c public <target> LB3GH-1-0-7::lbBridgePortReceiveSecurityDiscards.1

SNMPv3 example:

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

Start monitoring 3Com LinkBuilder hub/FDDI concentrator chassis with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the LB3GH-1-0-7::lbBridgePortReceiveSecurityDiscards OID value, configure state conditions and alerts, and monitor any 3Com LinkBuilder hub/FDDI concentrator chassis 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
1.3.6.1.4.1.43a3ComA3COM-AUDL-R1-MIB
1.3.6.1.4.1.43.7linkBuilder3GH_mibA3Com-products-MIB
Numeric OIDNameModule
1.3.6.1.4.1.43.7.1lb3ghMibLB3GH-1-0-7
1.3.6.1.4.1.43.7.1.21lbBridgeLB3GH-1-0-7
1.3.6.1.4.1.43.7.1.21.2lbBridgePortTableLB3GH-1-0-7
1.3.6.1.4.1.43.7.1.21.2.1lbBridgePortEntryLB3GH-1-0-7
1.3.6.1.4.1.43.7.1.21.2.1.14lbBridgePortReceiveSecurityDiscardsLB3GH-1-0-7