Patent ID: 11895006
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A communication system, comprising:
a first network device comprising:
one or more first processors; and
a first memory coupled to the one or more first processors and configured to store first instructions that, when executed by the one or more first processors, cause the first network device to be configured to send a border gateway protocol (BGP) message, wherein the BGP message comprises an extended community attribute carrying information indicating the first network device has control word processing capability;

a second network device, comprising:
one or more second processors; and
a second memory coupled to the one or more second processors and configured to store second instructions that, when executed by the one or more second processors, cause the second network device to be configured to:
receive the BGP message from the first network device; and
send a first Ethernet virtual private network (EVPN) service packet, wherein the first EVPN service packet comprises control word indication information and a control word, and wherein the control word indication information indicates that the first EVPN service packet comprises the control word.