| 摘要 |
Embodiments of the present invention provide a packet processing method, a device label processing method, and a device. The packet processing method comprises: (101) an egress provider edge (PE) device receiving a Broadcast, Unknown Unicast and Multicast (BUM) packet sent by an ingress PE device through a Multi-Point to Multi-Point (MP2MP) tunnel, the BUM packet comprising a tunnel label and a device label of the ingress PE device, and the tunnel label being a label of the MP2MP tunnel; and (102) the egress PE device determining, according to the device label of the ingress PE device, that the BUM packet comes from the ingress PE device. In the method provided in the embodiment of the present invention, a BUM packet comprises a device label of an ingress PE device, the device label can uniquely identify the ingress PE device, and after an egress PE device receives the BUM packet, the egress PE device can determine that the packet comes from the ingress PE device according to the device label in the BUM packet. |
