| CPC G06F 1/324 (2013.01) | 20 Claims |

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1. A method, applied to a communication device comprising a service board, the service board comprising at least one network chip, and the method comprising:
determining a target network chip based on at least one of a port status, a configuration status, or a traffic status of the target network chip, wherein the target network chip is in an idle state, and wherein the target network chip is a network chip of the at least one network chip comprised in the service board;
obtaining a sleep running frequency of a first functional module in the target network chip, wherein the sleep running frequency is less than a predetermined proportion or a predetermined value of a standard running frequency of the first functional module;
controlling the first functional module to run at the sleep running frequency;
obtaining a low-power-consumption running frequency of a second functional module in the target network chip, wherein the low-power-consumption running frequency is less than a standard running frequency of the second functional module, and when the second functional module runs at the low-power-consumption running frequency, a function of the second functional module is available; and
controlling the second functional module to run at the low-power-consumption running frequency while the first functional module is running at the sleep running frequency; and
after controlling the first functional module to run at the sleep running frequency, the method further comprises:
when a failure mode and effects analysis (FMEA) detection periodicity is reached, controlling a current running frequency of the first functional module to be increased from the sleep running frequency to a second running frequency, wherein when the first functional module runs at the second running frequency, the function of the first functional module is available; and
controlling the target network chip to perform FMEA detection while the first functional module runs at the second running frequency.
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