Alibaba Group Holding Limited
Packet Forwarding Method, Apparatus, Device, and System

Abstract:

Packet forwarding methods, apparatuses, devices, and systems are disclosed. An example packet forwarding system includes a target virtual machine, a virtual switch and a network card device, wherein: the target virtual machine is configured to send a first packet to the virtual switch; the virtual switch is configured to add input port information to the first packet to obtain a second packet after receiving the first packet sent by the target virtual machine, and forward the second packet to the network card device; and the network card device is configured to determine a corresponding first forwarding rule based on the input port information included in the second packet in response to receiving the second packet sent by the virtual switch, and perform forwarding processing on the second packet based on the first forwarding rule.