摘要 |
Disclosed are a link negotiation method, device and system. The provided method can select a link from an aggregation group via the negotiation of both sides, and comprises: a second device receiving an LACP message of a first device, wherein the LACP message carries a link selection policy for the first device; and when a link of the aggregation group breaks down, the second device selecting a link from the aggregation group according to the link selection policy. |