Patent ID: 11888651
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A virtual private network (VPN) service optimization method, comprising:
obtaining, by a first network device, a first VPN route sent by a second network device, wherein the first VPN route comprises first identification information, and the first identification information uniquely identifies a first VPN instance in the second network device;
generating, by the first network device, a second VPN route according to a second VPN instance accessing a third network device and the first VPN route, the second VPN route carries second identification information and routing information of the first VPN route, the second identification information uniquely identifies the second VPN instance in the third network device, and the first identification information is different from the second identification information; and
sending, by the first network device, the second VPN route to the third network device.