This read-only Counter counts transmitted loopback packets that came back with different data than what was sent, reset to zero at the start of each loopback operation. An admin uses this to detect data corruption occurring on the link or at the remote reflecting device, as distinct from packets being lost entirely. A rising lpbkErrorBadReceives count while lpbkErrorNoReceives stays at zero suggests packets are arriving but being corrupted in transit, pointing to a signal integrity issue rather than a connectivity break.