发明名称 |
Method, device, and system for transmitting multicast packet across layer 2 virtual network |
摘要 |
A gateway receives a link state packet (LSP) that includes a network identifier of a Layer 2 virtual network and a multicast address and that is sent by each routing bridge (RB) that is on the Transparent Interconnection of Lots of Links (TRILL) network; separately performs calculation on the network identifier and the multicast address that are in each LSP, to obtain a calculation result corresponding to each combination of the network identifier and the multicast address; if the gateway determines that information preconfigured on the gateway matches a calculation result corresponding to a combination of the network identifier and the multicast address, sends a notification message including the network identifier and the multicast address that are in the matched combination to each RB; receives from at least one RB, a multicast packet corresponding to the multicast address in the matched combination, and forwards the multicast packet. |
申请公布号 |
US9525560(B2) |
申请公布日期 |
2016.12.20 |
申请号 |
US201514748777 |
申请日期 |
2015.06.24 |
申请人 |
Huawei Technologies Co., Ltd. |
发明人 |
Hao Weiguo;Wu Guangrui;Li Yihong;Zhang Chengsong |
分类号 |
H04L12/18;H04L12/46;H04L12/721;H04L12/753;H04L12/761;H04L12/741;H04L12/931;H04L12/723 |
主分类号 |
H04L12/18 |
代理机构 |
Conley Rose, P.C. |
代理人 |
Conley Rose, P.C. |
主权项 |
1. A method for transmitting a multicast packet across Layer 2 virtual networks on a Transparent Interconnection of Lots of Links (TRILL) network, comprising:
receiving, by a gateway, a link state packet (LSP) sent by each routing bridge (RB), wherein each LSP comprises a network identifier of a Layer 2 virtual network and a multicast address; separately performing, by the gateway, calculation on the network identifier and the multicast address that are in each LSP, to obtain a calculation result corresponding to each combination of the network identifier and the multicast address; separately performing, by the gateway, data conversion on the network identifier and the multicast address that are in each LSP, and performing computation in combination with a total number of gateways that are on the TRILL network, to obtain the calculation result corresponding to each combination of the network identifier and the multicast address; sending a notification message to each RB that is on the TRILL network when the gateway determines that information preconfigured on the gateway matches a calculation result corresponding to a combination of the network identifier and the multicast address, wherein the notification message comprises the network identifier and the multicast address that are in the matched combination; receiving, by the gateway from at least one RB, a multicast packet corresponding to the multicast address in the matched combination; and forwarding the multicast packet. |
地址 |
Shenzhen CN |