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1. 发明申请

US20160134511A1 PACKETMIRROR PROCESSING IN A STACKING SYSTEM 有权
标题翻译：堆叠系统中的分组处理
公开(公告)号：US20160134511A1
公开(公告)日：2016-05-12
申请号：US14892483
申请日：2014-07-23
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Minghui WANG , Qingwen WANG
IPC分类号： H04L12/733 , H04L12/46
CPC分类号： H04L45/122 , H04L12/4625 , H04L45/12
摘要： A CB device receives a first packet sent from another device through a stacking port. In response to determining, based on source port information carried in the first packet, that the first packet entered the stacking system from a PE device and the first packet is a non-unicast packet, the switch module performs mirroring processing to the first packet to obtain a mirrored packet, and transmits the first packet and the mirrored packet to a packet buffering module of the CB device. In response to determining that a second packet from the packet buffering module entered the stacking system from the PE device and the second packet is the non-unicast packet, the second packet is forbidden from being forwarded through a first-level stacking port of the CB device.
摘要翻译： CB设备通过堆叠端口接收从另一设备发送的第一个数据包。响应于根据第一分组携带的源端口信息确定第一分组从PE设备进入堆叠系统，第一分组是非单播分组，交换机模块对第一分组进行镜像处理，获取镜像报文，并将第一个报文和镜像报文发送到CB设备的报文缓存模块。响应于确定来自分组缓冲模块的第二个分组从PE设备进入堆叠系统，第二个分组是非单播分组，第二个分组被禁止通过CB的第一层堆叠端口转发设备。

2. 发明申请

US20160191311A1 WORK MODE NEGOTIATION 审中-公开
标题翻译：工作模式谈判
公开(公告)号：US20160191311A1
公开(公告)日：2016-06-30
申请号：US14899890
申请日：2014-09-02
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD
发明人： Minghui WANG
IPC分类号： H04L12/24 , H04L12/751 , G06F9/455 , H04L12/713
CPC分类号： H04L41/0813 , G06F9/45558 , G06F2009/45595 , H04L41/0889 , H04L45/02 , H04L45/586
摘要： A work mode negotiation method is disclosed. A core backbone (CB) device transmits a Mode Negotiate Request packet through an Ethernet port to a port extender (PE) device, wherein the Mode Negotiate Request packet carries a set of identifications of the PE devices for cascade. Next, the CB device receives a Mode Negotiate Reply packet through the Ethernet port sent by the PE device, and transmits a Mode Negotiate Acknowledge packet through the Ethernet port to the PE device. Finally, the CB device changes a current work mode of the Ethernet port from an Ethernet mode to a cascade mode after transmitting the Mode Negotiate Acknowledge packet.
摘要翻译：公开了工作模式协商方法。核心骨干网（CB）设备通过以太网端口将模式协商请求分组发送到端口扩展器（PE）设备，其中模式协商请求分组携带用于级联的PE设备的一组标识。接下来，CB设备通过PE设备发送的以太网端口接收到模式协商应答报文，并通过以太网端口向PE设备发送模式协商确认报文。最后，CB设备在发送模式协商确认报文后，将以太网端口的当前工作模式从以太网模式更改为级联模式。

3. 发明申请

US20160255001A1 PACKET FORWARDING CONTROL 审中-公开
标题翻译：分组前向控制
公开(公告)号：US20160255001A1
公开(公告)日：2016-09-01
申请号：US15030499
申请日：2014-10-28
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Minghui WANG
IPC分类号： H04L12/743 , H04L29/06 , H04L12/64
CPC分类号： H04L45/7453 , H04L12/6418 , H04L63/101 , H04L2012/6437
摘要： A packet forwarding control method is described in which a candidate core backbone (CB) set corresponding to a port extender (PE) device is determined in accordance with a predetermined first selection rule when a ring topology is formed.
摘要翻译：描述了一种分组转发控制方法，其中当形成环形拓扑时，根据预定的第一选择规则确定与端口扩展器（PE）设备相对应的候选核心骨干网（CB）。

4. 发明申请

US20160065463A1 FORWARDING PACKETS 有权
标题翻译：前进包
公开(公告)号：US20160065463A1
公开(公告)日：2016-03-03
申请号：US14758462
申请日：2014-03-25
申请人： Hangzhou H3C Technologies Co., Ltd.
发明人： Minghui WANG , Zhenglin QI
IPC分类号： H04L12/721 , H04L12/755 , H04L12/741
CPC分类号： H04L45/72 , H04L45/021 , H04L45/66 , H04L45/745 , H04L49/351 , H04L49/70
摘要： Based on an example, a core backbone (CB) device receives via a second-level stacking port connected with a source port extender (PE) device, a packet containing a source port number and a local identifier of a source forwarding chip. The CB device transmits the packet via a second-level stacking port connected with a destination PE device, wherein the packet contains the source port number, a global identifier of the source forwarding chip, a local identifier of a destination forwarding chip and a destination port number.
摘要翻译：基于示例，核心骨干（CB）设备经由与源端口扩展器（PE）设备连接的第二级堆叠端口接收，包含源端口号和源转发芯片的本地标识符的分组。 CB设备经由与目的PE设备连接的二级堆叠端口发送分组，其中分组包含源端口号，源转发芯片的全局标识符，目的转发芯片的本地标识符和目的端口数。

5. 发明申请

US20160036688A1 PREVENTING A LOOP IN A VERTICAL STACK NETWORK 有权
标题翻译：在垂直堆叠网络中预防环路
公开(公告)号：US20160036688A1
公开(公告)日：2016-02-04
申请号：US14768204
申请日：2014-02-28
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Minghui WANG , Hai HU
IPC分类号： H04L12/721 , H04L12/18 , H04L12/751
CPC分类号： H04L45/12 , H04L12/185 , H04L45/02 , H04L45/16 , H04L45/18 , H04L45/583 , H04L49/201 , H04L49/25 , H04L49/50
摘要： According to an example, a Port Extender (PE) device is bundled with a Core Backbone (CB) device to prevent a loop in a vertical stack network including the PE device and the CD device.
摘要翻译：根据一个示例，端口扩展器（PE）设备与核心骨干（CB）设备捆绑在一起，以防止包括PE设备和CD设备的垂直堆叠网络中的环路。

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