Method, apparatus and system for packet processing

摘要

The present invention relate to a packet processing method, an access device, and a communication system. The method includes: receiving, by an access device, a multicast packet from a network side via a first network port of the access device; identifying, by the access device, a protocol type of the multicast packet; if identifying that the multicast packet is a virtual router redundancy protocol packet, sending the virtual router redundancy protocol packet via a second network port of the access device to the network side according to a snooping port list used for forwarding the virtual router redundancy protocol packet; and if identifying that the multicast packet is a non-virtual router redundancy protocol packet, sending the non-virtual router redundancy protocol packet via a user port of the access device to a user side.

主权项

1. A packet processing method on an access device, the method comprising:
receiving, by the access device, a multicast packet from a network side via a first network port of the access device; identifying, by the access device, a protocol type of the multicast packet; if identifying that the multicast packet is a virtual router redundancy protocol packet, sending the virtual router redundancy protocol packet via a second network port of the access device to the network side according to a snooping port list used for forwarding the virtual router redundancy protocol packet, wherein the snooping port list is recorded with port information comprising information of the first network port and information of the second network port; and if identifying that the multicast packet is a non-virtual router redundancy protocol packet, sending the non-virtual router redundancy protocol packet via a user port of the access device to a user side.