| 摘要 |
The present invention discloses a method, an apparatus, and a system for detecting connectivity, and relates to the field of communication technologies. The method for detecting connectivity includes: receiving connectivity detection request information; determining, according to nicknames of target nodes, whether a node that receives the connectivity detection request information is one of the target nodes; if the node is one of the target nodes, sending connectivity detection reply information to a source node; if the node is not one of the target nodes, performing corresponding processing according to a value of a hop count and whether the node is on a path that is in the multicast distribution tree and is from the source node to any one of the target nodes. With the present invention, connectivity detection and fault diagnosis may be performed on a plurality of designated target nodes, and a source node is capable of receiving only a feedback of a node on a true path, thereby making it easier to identify a path. |
