| OID | 1.3.6.1.3.37.1.1.1.1.1 |
| Module | ISIS-MIB (Alcatel) |
| Nom | isisSysInstance |
| Acces | noaccess |
| Status | current |
| Description | The unique identifier of the Integrated IS-IS instance to which this row corresponds. This object follows the index behaviour. |
| Syntaxe | Integer32 (1...10000) |