Patent ID: 11936551
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 13:
14. The apparatus according to claim 10, wherein the BGP route comprises a first Internet protocol (IP) prefix, and the instructions, when executed by the at least one processor, further cause the apparatus to:
when the first AS number does not correspond to the origin autonomous system, a BGP session is established between a first neighbor autonomous system of the first autonomous system and the first autonomous system, a BGP session is established between a second neighbor autonomous system of the first autonomous system and the first autonomous system, and the apparatus has not received a route that comprises the first IP prefix and that is from the second neighbor autonomous system or the apparatus has not advertised a route comprising the first IP prefix to the first neighbor autonomous system, determine that the BGP route is abnormal, wherein the first neighbor autonomous system and the second neighbor autonomous system have respective AS numbers comprised in the one or more AS numbers.