Patent ID: 9491074
Filing Date: 2016-11-08
CPC Classification: H04L

Claim Text:
1. A method for detecting connectivity, the method comprising: receiving, by a routing bridge, a connectivity detection request packet comprising at least: a nickname of a source node, a nickname of a multicast distribution tree, a nickname of at least one target node, and a hop count value, wherein the routing bridge is a non-source node that is in the multicast distribution tree; sending, by the routing bridge, a connectivity detection reply packet to the source node when the routing bridge is one node of the at least one target node; when the routing bridge is not one of the at least one target node, determining, by the routing bridge, whether the routing bridge is on a first path that is based on the nickname of a source node, the nickname of a multicast distribution tree, and the nickname of at least one target node, and wherein the first path is in the multicast distribution tree and starts with the source node and ends at one of the at least one target nodes; and performing, by the routing bridge, processing according to the hop count value and the determination.