Patent ID: 11902087
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A controller comprising:
a memory configured to store instructions; and
one or more processors coupled to the memory and configured to execute the instructions to cause the controller to:
receive, from at least one forwarder, table search statistical results of forwarding tables for a first service, wherein the forwarding tables comprise a first forwarding table and a second forwarding table, wherein the second forwarding table is adjacent to and after the first forwarding table in a search sequence among the forwarding tables, wherein the table search statistical results comprise a first table search statistical result of the first forwarding table and a second table search statistical result of the second forwarding table, and wherein the first forwarding table and the second forwarding table are located in different forwarders;
determine first information based on the first table search statistical result and the second table search statistical result, wherein the first information indicates that first table search behavior of the first forwarding table is normal and that second table search behavior of the second forwarding table is abnormal; and
determine, based on the first information, that the second forwarding table is faulty.