| 摘要 |
A communication proxy method, device and system are provided, including: after receiving a packet communicated between a provider device and the access device, performing a conversion process between the physical port and the logic port to physical port information or logic port information in the packet received according to the mapping information between the physical port and the logic port. Thus, it is ensued that the variation of the physical port does not affect the process in which the provider device provides services and the safety of each physical port in the access device is also guaranteed.
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