| OID | 1.3.6.1.3.37.1.4.1.1.1 |
| Module | ISIS-MIB (Force10-9.14.2.1) |
| Nom | isisCircLevelIndex |
| Acces | noaccess |
| Status | current |
| Description | The level that this entry describes. |
| Syntaxe | Enumeration (1-level1IS, 2-level2IS) |
| Module | ISIS-MIB (Alcatel) |
| Nom | isisPacketCountLevel |
| Acces | noaccess |
| Status | current |
| Description | The level at which these PDU counts have been collected. |
| Syntaxe | Enumeration (1-level1, 2-level2) |