| 摘要 |
Provided are a packet processing method and device. The method comprises: receiving, by a forwarding apparatus, a layer 3 forwarded packet; and processing, by the forwarding apparatus and at least according to a pre-configured virtual local area network (vlan) tag keeping option, the packet, wherein the keeping option is configured to indicate whether to keep the original user vlan tag carried in the packet. The present invention addresses the problem existing in the related art of the loss of a carried original user vlan tag during layer 3 forwarding of a packet, and ensures packet integrity of the carried original user vlan tag with implementation of layer 3 forwarding of the packet. |
