| 摘要 |
<p>A method, router and system for implementing multicast are provided, said method comprising: receiving a Join message through a physical interface, said Join message including the loop-back address of a downstream router; joining the physical interface into the out-interface list of the multicast group G, and searching for the matching TE tunnel based on said loop-back address and physical interface; replacing the physical interface in the out-interface list with the matching TE tunnel port to obtain a new out-interface list; according to the new out-interface list, sending the multicast message to the downstream router through the matching TE tunnel.</p> |
