METHOD AND DEVICE OF LEARNING FORWARDING FEATURE INFORMATION

A method and device of learning data forwarding information are disclosed, The solution relates to the field of data communication. For overcoming the disadvantage in the prior art that the more important new forwarding feature information can't be recorded or stored, the solution stores the forwarding table in the switch device for recording the forwarding feature information. The forwarding feature information is configured the corresponding operation importance level. It includes the following steps. Receiving the new forwarding feature information. Determining whether the forwarding table is full or not, If it is full, determining whether writing the new forwarding feature information into the forwarding table or not based the operation importance level. Otherwise, adding the new forwarding feature information to the forwarding table, and recording the corresponding operation importance level. The solution also provides a device of learning data forwarding information. The solution achieves that the important forwarding Information can be saving the record so that can improve the service for the important operation.