Method for implementing multicast data stream retransmission in virtual special LAN service
A virtual dedicated, local area network technology, applied in the field of multicast data stream forwarding, can solve the problems of increased pressure on multicast replication, waste of network bandwidth resources, etc., to achieve the effect of reducing pressure and saving bandwidth
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[0050] The present invention provides a method for forwarding multicast data streams in a virtual private local area network, the core of which is: first, the VSI of the VPLS network monitors the PIM protocol messages received by all ports in it, and according to the information in the messages Configuring layer 2 multicast routing information; and then implementing data flow forwarding according to the configured routing information.
[0051] In the embodiment provided by the present invention, by realizing PIM-SNOOPING in VPLS, accurate forwarding of multicast packets in VPLS is achieved, and bandwidth resource of MPLS / IP network is saved. The specific implementation process is as figure 2 shown, including:
[0052] Step 100, the VSI of the VPLS network monitors the PIM protocol messages received by all the ports in the VSI, and configures layer-2 multicast routing information according to the information in the messages. The specific implementation process is as image ...
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