SMDS-Subscription-MIB :: smdsUnassignedSAs

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › SMDS-Subscription-MIB › smdsUnassignedSAs

smdsUnassignedSAs

Module: SMDS-Subscription-MIB

OID (symbolic): SMDS-Subscription-MIB::smdsUnassignedSAs

OID (numeric): 1.3.6.1.4.1.148.1.1.2.1.1.9

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: The number of SIP L3_PDUs that have been discarded by the SMDS SS because the source addresses were not assigned to the SNI.

What is smdsUnassignedSAs?

Counts SIP L3_PDUs discarded because their source address wasn't actually assigned to this SNI. A rising count suggests a misconfigured device is sending traffic under an address it isn't authorized to use.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.148.1.1.2.1.1.9
snmpwalk -v2c -c public <target> SMDS-Subscription-MIB::smdsUnassignedSAs

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.148.1.1.2.1.1.9.1
snmpget -v2c -c public <target> SMDS-Subscription-MIB::smdsUnassignedSAs.1

Start monitoring legacy SMDS (Switched Multi-megabit Data Service) access equipment (per-subscriber address-screening/MCDU status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the SMDS-Subscription-MIB::smdsUnassignedSAs OID value, configure state conditions and alerts, and monitor any legacy SMDS (Switched Multi-megabit Data Service) access equipment (per-subscriber address-screening/MCDU status) 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
1.3.6.1.4.1.148bellcoreATM-Ext-MIB
1.3.6.1.4.1.148.1requirementsATM-Ext-MIB
Numeric OIDNameModule
1.3.6.1.4.1.148.1.1taTsv001062SMDS-Subscription-MIB
1.3.6.1.4.1.148.1.1.2smdsSubscrSMDS-Subscription-MIB
1.3.6.1.4.1.148.1.1.2.1smdsSubscrTableSMDS-Subscription-MIB
1.3.6.1.4.1.148.1.1.2.1.1smdsSubscrEntrySMDS-Subscription-MIB
1.3.6.1.4.1.148.1.1.2.1.1.9smdsUnassignedSAsSMDS-Subscription-MIB