| OID | 1.3.111.2.802.1.1.26.1.8.1.1 |
| Module | IEEE8021-SPB-MIB (Alcatel) |
| Nom | ieee8021SpbTopNodeEntryTopIx |
| Acces | noaccess |
| Status | current |
| Description | The ISIS Topology Index identifier to which this instance belongs. Each Topology Index defines logical topology and is used to enable multiple SPB instances within several ISIS instances. |
| Syntaxe | IEEE8021SpbMTID (IEEE8021-SPB-MIB) |