The ifSpeed and ifHighSpeed values for the interfaces are set with zero for the configured speed.
This was observed by enabling the Detailed Poll Logging for a device showing the issue via the DA_HOST:8581/dcdebug page.
This showed us in the Detailed Poll Logging, using sample interface index 46 poll responses, zero values returned from the device.
From the standard/low speed ifSpeed OID:
- Apr 29 16:42:26.436: 1.3.6.1.2.1.2.2.1.5.46 = 0
From the high speed ifHighSpeed OID:
- Apr 29 16:42:26.436: 1.3.6.1.2.1.31.1.1.1.15.46 = 0