Index to the swIfTable. The interface defined by a particular value of this index is the same interface as identified by the same value of ifIndex (MIB II).
Sources for this description
Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community)Dell MIB copies (LibreNMS/Observium Community)D-Link official switch MIBsNetdisco MIB archive copiesNETGEAR official product and EOL MIB downloads