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公开(公告)号：US12034568B2
公开(公告)日：2024-07-09
申请号：US17980631
申请日：2022-11-04
发明人： Jiuyong Li
CPC分类号： H04L12/4633 , H04L12/4679 , H04W60/005 , H04W88/14
摘要： This application provides a data transmission method, a device, and a network system. The method is applied to a backbone device, and the backbone device is connected to at least two access devices. After obtaining first data that needs to be sent to a first user device, the backbone device determines a first tunnel interface identifier corresponding to the first user device. The first user device is a single-homing user device. The backbone device sends, based on the first tunnel interface identifier, a first data packet including the first data to a first access device of the at least two access devices. The first access device is configured with the first tunnel interface identifier. This can optimize a data forwarding path, implement traffic optimization for the single-homing user device, and reduce traffic pressure on the network system.
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公开(公告)号：US11539551B2
公开(公告)日：2022-12-27
申请号：US16924734
申请日：2020-07-09
发明人： Jiuyong Li
摘要： This application provides a data transmission method, a device, and a network system. The method is applied to a backbone device, and the backbone device is connected to at least two access devices. After obtaining first data that needs to be sent to a first user device, the backbone device determines a first tunnel interface identifier corresponding to the first user device. The first user device is a single-homing user device. The backbone device sends, based on the first tunnel interface identifier, a first data packet including the first data to a first access device of the at least two access devices. The first access device is configured with the first tunnel interface identifier. This can optimize a data forwarding path, implement traffic optimization for the single-homing user device, and reduce traffic pressure of the network system.
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公开(公告)号：US11431623B2
公开(公告)日：2022-08-30
申请号：US16827250
申请日：2020-03-23
发明人： Jiuyong Li
摘要： This application discloses a method for configuring a private line service, including: a first device that detects a state of a user side port of the first device, where the first device is an access network device directly connected to a first host that accesses the user side port of the first device and a user side port of a second device by using a multi-chassis link bundling technology, the second device is an access network device directly connected to the first host, the first device is different from the second device. When the user side port of the first device is in a usable state, the first device removes a port of a peer-link of the first device from a broadcast domain, where the peer-link connects the first device and the second device.
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公开(公告)号：US20190253381A1
公开(公告)日：2019-08-15
申请号：US16269023
申请日：2019-02-06
发明人： Lingling Ji , Jiuyong Li
IPC分类号： H04L29/12
摘要： This application provides a packet sending method and a network device, where a first network device in a multichassis link aggregation group is coupled to a user-side device using a first port, and is coupled to a second network device in the multichassis link aggregation group using a second port. The first network device configures a first preset Address Resolution Protocol (ARP) entry for the user-side device when the first port and the second port have not become faulty, and when the first port becomes faulty, can directly forward a packet whose destination is the user-side device to the second network device using the second port and the first preset ARP entry. Then, the second network device forwards the packet to the user-side device.
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公开(公告)号：US20220360529A1
公开(公告)日：2022-11-10
申请号：US17866748
申请日：2022-07-18
发明人： Jiuyong Li
IPC分类号： H04L45/74 , H04L61/103 , H04L12/46
摘要： A packet transmission method includes a first virtual extensible local area network tunnel endpoint (VTEP) receiving a first packet from a first host and sending a second packet to a third VTEP based on a first IP address corresponding to the first host, where the second packet is obtained by the first VTEP by encapsulating the first packet, where the first host is multi-homed to a second VTEP and the first VTEP, where the second VTEP is configured to send a packet from the first host to the third VTEP based on a second Internet Protocol (IP) address corresponding to the first host, and where the first IP address is the same as the second IP address.
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公开(公告)号：US20180091418A1
公开(公告)日：2018-03-29
申请号：US15708760
申请日：2017-09-19
发明人： Mancang Gao , Jiuyong Li , Xingang Zhang , Mingming Zhu
IPC分类号： H04L12/721 , H04L12/46 , H04L12/707
CPC分类号： H04L45/26 , H04L12/4633 , H04L12/4641 , H04L43/12 , H04L45/02 , H04L45/22 , H04L45/38 , H04L45/64
摘要： A method and a related apparatus for probing a packet forwarding path, so that a packet forwarding path between any two devices can be probed is presented. A controller determines a source device and a destination device, where there is at least one intermediate device between the source device and the destination device; the controller sends an Internet Protocol (IP) packet that includes a probe identifier to the source device; the controller receives a first message sent by the destination device and a second message sent by the intermediate device; the controller determines a forwarding path of the IP packet according to the IP packet and a first inbound interface identifier that are sent by the destination device, the IP packet and a second inbound interface identifier that are sent by the intermediate device, and a network topology.
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公开(公告)号：US11711243B2
公开(公告)日：2023-07-25
申请号：US17162757
申请日：2021-01-29
发明人： Xiaolei Luan , Dacheng Li , Jiuyong Li
摘要： A packet processing method and a gateway device are provided. The method includes: A first gateway device receives, by using a first link, a first one-arm BFD echo packet returned by a network device, where the first one-arm BFD echo packet includes identification information, and the identification information is used to uniquely identify a second gateway device. The first gateway device determines, based on the identification information, to forward the first one-arm BFD echo packet to the second gateway device. The first gateway device sends the first one-arm BFD echo packet to the second gateway device. The network device is multi-homed connected to the first gateway device and the second gateway device. The first gateway device and the second gateway device form a multi-active gateway. According to the method, efficiency of detecting, by using a one-arm BFD echo session in a VXLAN multi-active gateway scenario is improved.
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公开(公告)号：US10686749B2
公开(公告)日：2020-06-16
申请号：US16269023
申请日：2019-02-06
发明人： Lingling Ji , Jiuyong Li
IPC分类号： H04L29/12 , H04L12/939 , H04L12/707 , H04L12/703 , H04L12/709
摘要： This application provides a packet sending method and a network device, where a first network device in a multichassis link aggregation group is coupled to a user-side device using a first port, and is coupled to a second network device in the multichassis link aggregation group using a second port. The first network device configures a first preset Address Resolution Protocol (ARP) entry for the user-side device when the first port and the second port have not become faulty, and when the first port becomes faulty, can directly forward a packet whose destination is the user-side device to the second network device using the second port and the first preset ARP entry. Then, the second network device forwards the packet to the user-side device.
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公开(公告)号：US10284461B2
公开(公告)日：2019-05-07
申请号：US15708760
申请日：2017-09-19
发明人： Mancang Gao , Jiuyong Li , Xingang Zhang , Mingming Zhu
IPC分类号： H04L12/721 , H04L12/46 , H04L12/707 , H04L12/26 , H04L12/751 , H04L12/715
摘要： A method and a related apparatus for probing a packet forwarding path, so that a packet forwarding path between any two devices can be probed is presented. A controller determines a source device and a destination device, where there is at least one intermediate device between the source device and the destination device; the controller sends an Internet Protocol (IP) packet that includes a probe identifier to the source device; the controller receives a first message sent by the destination device and a second message sent by the intermediate device; the controller determines a forwarding path of the IP packet according to the IP packet and a first inbound interface identifier that are sent by the destination device, the IP packet and a second inbound interface identifier that are sent by the intermediate device, and a network topology.
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