All MIBs › DOT3-EPON-MIB › dot3OmpEmulationBroadcastBitPlusOnuLlid
dot3OmpEmulationBroadcastBitPlusOnuLlid
Module: DOT3-EPON-MIB
OID (symbolic): DOT3-EPON-MIB::dot3OmpEmulationBroadcastBitPlusOnuLlid
OID (numeric): 1.3.6.1.2.1.155.1.2.2.1.9
Node type: OBJECT-TYPE
Type: Counter64
Access: read-only
Description: A count of frames received that contain a valid SLD field, as defined in [802.3ah], clause 65.1.3.3.1, pass the CRC-8 check, as defined in [802.3ah], clause 65.1.3.3.3, and contain the broadcast bit in the LLID and match the ONU's LLID (frame reflected) as defined in [802.3ah], clause 65. This object is applicable for an OLT and an ONU. At the OLT, it has a distinct value for each virtual interface. At the OLT, the value should be zero. Discontinuities of this counter can occur at re-initialization of the management system and at other times, as indicated by the value of the ifCounterDiscontinuityTime object of the Interface MIB module.
What is dot3OmpEmulationBroadcastBitPlusOnuLlid?
This counts accepted frames with both the broadcast bit set and this ONU's own LLID present, described in [802.3ah] as a 'reflected' frame (expected zero at the OLT). Admins troubleshooting an ONU seeing duplicate traffic can check this counter for unusual reflection activity.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.2.1.155.1.2.2.1.9 snmpwalk -v2c -c public <target> DOT3-EPON-MIB::dot3OmpEmulationBroadcastBitPlusOnuLlid
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.2.1.155.1.2.2.1.9.1 snmpget -v2c -c public <target> DOT3-EPON-MIB::dot3OmpEmulationBroadcastBitPlusOnuLlid.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> dot3OmpEmulationBroadcastBitPlusOnuLlid.1
Start monitoring EPON OLT/ONU (802.3ah EPON MPCP, vendor-neutral IEEE standard) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DOT3-EPON-MIB::dot3OmpEmulationBroadcastBitPlusOnuLlid OID value, configure state conditions and alerts, and monitor any EPON OLT/ONU (802.3ah EPON MPCP, vendor-neutral IEEE standard) from a single console.
OID Breakdown
Upper-level ancestors (6 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.2 | mgmt | AXON-MIB |
| 1.3.6.1.2.1 | mib_2 | AXON-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.2.1.155 | dot3EponMIB | DOT3-EPON-MIB |
| 1.3.6.1.2.1.155.1 | dot3EponObjects | DOT3-EPON-MIB |
| 1.3.6.1.2.1.155.1.2 | dot3OmpEmulationObjects | DOT3-EPON-MIB |
| 1.3.6.1.2.1.155.1.2.2 | dot3OmpEmulationStatTable | DOT3-EPON-MIB |
| 1.3.6.1.2.1.155.1.2.2.1 | dot3OmpEmulationStatEntry | DOT3-EPON-MIB |
| 1.3.6.1.2.1.155.1.2.2.1.9 | dot3OmpEmulationBroadcastBitPlusOnuLlid | DOT3-EPON-MIB |