All MIBs › CM-SA-MIB › esaProbeStatsY1731P2RNegLossOccurrences
esaProbeStatsY1731P2RNegLossOccurrences
Module: CM-SA-MIB
OID (symbolic): CM-SA-MIB::esaProbeStatsY1731P2RNegLossOccurrences
OID (numeric): 1.3.6.1.4.1.2544.1.12.8.1.7.1.54
Node type: OBJECT-TYPE
Type: PerfCounter64
Access: read-only
Description: This attribute is only applicable to Y.1731 probes. This is the number of occurences of negative frame loss from Source MEP (Probe) to Destination MEP (Reflector). If these counts are non-zero then there could be some kind of provisioning mismatch between the Probe MEP and Reflector MEP. Here are some scenarios this can happen: - Probe MEP is configured to count in-profile frames only and the Reflector MEP is configured to count all frames with a mismatch in value for the attribute cfmMepLmCountInProfileFrames. - Probe MEP is configured to count data frames for specific VLAN priority and the Reflector MEP is configured to count data frames for all the priorities with a mismatch in values for the attributes cfmMepLmTxCountAllPrios or cfmMepLmRxCountAllPrios. NOTE: This could possibly happen due to reasons not related to configuration such as frame reordering in the network.
What is esaProbeStatsY1731P2RNegLossOccurrences?
esaProbeStatsY1731P2RNegLossOccurrences is a 64-bit performance counter, applicable only to Y.1731 probes, counting negative frame-loss occurrences from the probe to the reflector, for the interval that is still being actively collected (the live bin). A non-zero count here is a configuration red flag rather than a plain performance number: it means the probe's MEP and the reflector's MEP are not counting frames the same way, for example one side filtering to in-profile frames while the other counts everything. For example, a technician seeing this live counter tick up right after a priority-filter change on one MEP knows to re-align the two MEPs' counting configuration before trusting any frame-loss numbers from this Y.1731 probe.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.8.1.7.1.54 snmpwalk -v2c -c public <target> CM-SA-MIB::esaProbeStatsY1731P2RNegLossOccurrences
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.8.1.7.1.54.1 snmpget -v2c -c public <target> CM-SA-MIB::esaProbeStatsY1731P2RNegLossOccurrences.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> esaProbeStatsY1731P2RNegLossOccurrences.1
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.8 | cmServiceAssuranceMIB | CM-SA-MIB |
| 1.3.6.1.4.1.2544.1.12.8.1 | cmServAssuranceObjects | CM-SA-MIB |
| 1.3.6.1.4.1.2544.1.12.8.1.7 | esaProbeStatsTable | CM-SA-MIB |
| 1.3.6.1.4.1.2544.1.12.8.1.7.1 | esaProbeStatsEntry | CM-SA-MIB |
| 1.3.6.1.4.1.2544.1.12.8.1.7.1.54 | esaProbeStatsY1731P2RNegLossOccurrences | CM-SA-MIB |