| 摘要 |
In one embodiment, in response to receiving a notification to enter a packet filtering mode of operation for a NIC operating a link to a hub/switch in a normal mode of operation at one operating speed, a lower power consuming operating speed is re-negotiated with the hub/switch for the NIC to operate the link in the packet filtering mode. In another embodiment, another link to the hub/switch through another NIC is operated in the packet filtering mode at a lower power consuming speed, in place of the original link and NIC instead. In yet another embodiment, the lowest power consuming NIC among a number of jointly operating NICs is operated in the packet filtering mode, with the remaining NICs being shut down.
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