| Name | Data Type | Default Value | Qualifiers |
| Name | Data Type | Value |
| ApeInFrames | uint32 | |
| Counter | boolean | true |
| Description | string | The number of All Paths Explorer frames, also referred to as All Routes Explorer frames, that have been received by the port from its segment. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortApeInFrames |
| ApeOutFrames | uint32 | |
| Counter | boolean | true |
| Description | string | The number of all Paths Explorer Frames, also referred to as All Routes Explorer frames, that have been transmitted by the port on its segment. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortApeOutFrames |
| DupLanIdOrTreeErrors | uint32 | |
| Counter | boolean | true |
| Description | string | The number of duplicate LAN IDs or Tree errors. This helps in detection of problems in networks containing older Source Routing Bridges. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortDupLanIdOrTreeErrors |
| DuplicateSegmentDiscards | uint32 | |
| Counter | boolean | true |
| Description | string | The number of frames that have been discarded by the port because the routing descriptor field contained a duplicate segment identifier. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortDuplicateSegmentDiscards |
| HopCountExceedsDiscards | uint32 | |
| Counter | boolean | true |
| Description | string | The number of explorer frames that have been discarded by the port because the Routing Information Field has exceeded the maximum route descriptor length. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortHopCountExceedsDiscards |
| LanIdMismatches | uint32 | |
| Counter | boolean | true |
| Description | string | The number of ARE and STE frames that were discarded because the last LAN ID in the routing information field did not equal the LAN-in ID. This error can occur in implementations which do only a LAN-in ID and Bridge Number check instead of a LAN-in ID, Bridge Number, and LAN-out ID check before they forward broadcast frames. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortLanIdMismatches |
| SegmentMismatchDiscards | uint32 | |
| Counter | boolean | true |
| Description | string | The number of explorer frames that have been discarded by the port because the routing descriptor field contained an invalid adjacent segment value. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortSegmentMismatchDiscards |
| SpecInFrames | uint32 | |
| Counter | boolean | true |
| Description | string | The number of Specifically Routed frames, also referred to as Source Routed Frames, that have been received from the segment attached to the port. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortSpecInFrames |
| SpecOutFrames | uint32 | |
| Counter | boolean | true |
| Description | string | The number of Specifically Routed frames, also referred to as Source Routed Frames, that the port has transmitted on its segment. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortSpecOutFrames |
| SteInFrames | uint32 | |
| Counter | boolean | true |
| Description | string | The number of spanning tree explorer frames that have been received by the port from its segment. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortSteInFrames |
| SteOutFrames | uint32 | |
| Counter | boolean | true |
| Description | string | The number of spanning tree explorer frames that have been transmitted by the port on its segment. |
| MappingStrings | string | MIB.IETF|SOURCE-ROUTING-MIB.dot1dSrPortSteOutFrames |