hwMusaBoardRamUseRate 1.3.6.1.4.1.2011.2.6.7.1.1.2.1.6

Active and standby control board RAM usage. It does not support RSP, PV8, BAS, AIC, or other boards. -1 indicates that the device cannot get the value, e.g. the board does not support this operation, or the board state is abnormal.