| OID | 1.3.6.1.4.1.27975.14.10.6.1.4 |
| Module | SWITCH (FS) |
| Nom | stpInstPortDesignatedRoot |
| Acces | readonly |
| Status | current |
| Description | The unique Bridge Identifier of the Bridge recorded as the Root in the Configuration BPDUs transmitted by the Designated Bridge for the segment to which the port is attached. |
| Syntaxe | BridgeId (SWITCH) |