The speed of an interface is displaying the speed rounded up or down 500000bps
CA Performance Management 3.1 or earlier
The High Speed Interface Vendor Certification is using ifHighSpeed rather than ifSpeed
Prior to CA Performance Management 3.2 the High Speed Interface vendor certification would use ifHighSpeed for any interface greater than 3.0Mbps
Starting in CA Performance Management 3.2, the the High Speed Interface vendor certification will use ifHighSpeed for any interface greater than 20.0Mbps.