Patent ID: 8667527
Filing Date: 2014-03-04
Classification: H04L,H04N

Abstract:
1. A method for playing a targeted advertisement, comprising: receiving an Internet Group Management Protocol (IGMP) join packet sent by a user end, snooping the IGMP join packet, and obtaining a first mapping relationship by parsing the IGMP join packet, wherein the first mapping relationship comprises a mapping relationship between a multicast destination media access control (MAC) address corresponding to a channel requested by the user end and an access port; establishing a first multicast forwarding entry according to the first mapping relationship and a pre-saved second mapping relationship between the access port and a targeted advertisement user group virtual local area network (VLAN); wherein the first multicast forwarding entry comprises: the access port, the targeted advertisement user group VLAN, and the multicast destination MAC address corresponding to the channel requested by the user end; duplicating the IGMP join packet; forwarding the IGMP join packet to the targeted advertisement user group VLAN and a public multicast VLAN; and receiving an advertisement media stream sent by an access router, and forwarding the advertisement media stream to the targeted advertisement user group by using the access port corresponding to the targeted advertisement user group VLAN according to the first multicast forwarding entry.