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1. 发明申请

US20130064102A1 VIRTUAL CHASSIS SYSTEM CONTROL PROTOCOLS 有权
标题翻译：虚拟组织系统控制协议
公开(公告)号：US20130064102A1
公开(公告)日：2013-03-14
申请号：US13674392
申请日：2012-11-12
申请人： Amy Chung-Hua Chang , Roberto H. Jacob Da Silva , Nalinakshan Kunnath , Ignatius D. Santoso , Anand Vinayagam
发明人： Amy Chung-Hua Chang , Roberto H. Jacob Da Silva , Nalinakshan Kunnath , Ignatius D. Santoso , Anand Vinayagam
IPC分类号： H04L12/28 , H04L12/26
CPC分类号： H04L49/552 , H04L45/22 , H04L45/245 , H04L45/28 , H04L45/58 , H04L49/65 , H04L49/70
摘要： A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of data packets between the network nodes. The data packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of data packets in the virtual chassis system. One or more control protocols in the network node are used for topology discovery, master network node election, generation of routing tables, health monitoring and other functions.
摘要翻译：虚拟机箱系统包括配置有主虚拟机箱地址的多个网络节点。网络节点通过虚拟网络链路（VFL）连接，该网络节点提供用于在网络节点之间交换数据分组的连接。数据包包括源MAC地址和相关的硬件设备信息，如源机箱ID，源网络接口标识符和源端口标识信息。网络节点使用该信息来维护用于在虚拟机箱系统中转发数据分组的同步的MAC地址表。网络节点中的一个或多个控制协议用于拓扑发现，主网络节点选择，路由表生成，健康监控等功能。

2. 发明授权

US09172662B2 Virtual chassis system control protocols 有权
标题翻译：虚拟机箱系统控制协议
公开(公告)号：US09172662B2
公开(公告)日：2015-10-27
申请号：US13674392
申请日：2012-11-12
申请人： Amy Chung-Hua Chang , Roberto H. Jacob Da Silva , Nalinakshan Kunnath , Ignatius D. Santoso , Anand Vinayagam
发明人： Amy Chung-Hua Chang , Roberto H. Jacob Da Silva , Nalinakshan Kunnath , Ignatius D. Santoso , Anand Vinayagam
IPC分类号： H04L12/939 , H04L12/931 , H04L12/775 , H04L12/709 , H04L12/707 , H04L12/703
CPC分类号： H04L49/552 , H04L45/22 , H04L45/245 , H04L45/28 , H04L45/58 , H04L49/65 , H04L49/70
摘要： A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of data packets between the network nodes. The data packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of data packets in the virtual chassis system. One or more control protocols in the network node are used for topology discovery, master network node election, generation of routing tables, health monitoring and other functions.
摘要翻译：虚拟机箱系统包括配置有主虚拟机箱地址的多个网络节点。网络节点通过虚拟网络链路（VFL）连接，该网络节点提供用于在网络节点之间交换数据分组的连接。数据包包括源MAC地址和相关的硬件设备信息，如源机箱ID，源网络接口标识符和源端口标识信息。网络节点使用该信息来维护用于在虚拟机箱系统中转发数据分组的同步的MAC地址表。网络节点中的一个或多个控制协议用于拓扑发现，主网络节点选择，路由表生成，健康监控等功能。

3. 发明申请

US20130077621A1 SYSTEM AND METHOD FOR A VIRTUAL CHASSIS SYSTEM 有权
标题翻译：一种虚拟组织系统和方法
公开(公告)号：US20130077621A1
公开(公告)日：2013-03-28
申请号：US13674259
申请日：2012-11-12
申请人： Roberto H. Jacob Da Silva , Gregory G. Page , Surajit Bhattacharya , Chung-Hua Chang , Stephen C. Hanka , Steve Larsen , Christopher Francis Ravenscroft , Eric W. Tolliver , Anand Vinayagam , Shaofu Wu , Ignatius D. Santoso , Nalinakshan Kunnath , Stephen R. Bates
发明人： Roberto H. Jacob Da Silva , Gregory G. Page , Surajit Bhattacharya , Chung-Hua Chang , Stephen C. Hanka , Steve Larsen , Christopher Francis Ravenscroft , Eric W. Tolliver , Anand Vinayagam , Shaofu Wu , Ignatius D. Santoso , Nalinakshan Kunnath , Stephen R. Bates
IPC分类号： H04L12/66
CPC分类号： H04L49/552 , H04L45/22 , H04L45/245 , H04L45/28 , H04L45/58 , H04L49/40 , H04L49/70
摘要： A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. The packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of packets in the virtual chassis system.
摘要翻译：虚拟机箱系统包括配置有主虚拟机箱地址的多个网络节点。网络节点通过虚拟网络链路（VFL）连接，虚拟网络链路（VFL）提供用于在网络节点之间交换分组的连接。数据包包括源MAC地址和相关的硬件设备信息，如源机箱ID，源网络接口标识符和源端口标识信息。网络节点使用该信息来维护用于在虚拟机箱系统中转发数据包的同步的MAC地址表。

4. 发明授权

US09148389B2 System and method for a virtual chassis system 有权
标题翻译：虚拟机箱系统的系统和方法
公开(公告)号：US09148389B2
公开(公告)日：2015-09-29
申请号：US13674259
申请日：2012-11-12
申请人： Roberto H. Jacob Da Silva , Gregory G. Page , Surajit Bhattacharya , Chung-Hua Chang , Stephen C. Hanka , Steve Larsen , Christopher Francis Ravenscroft , Eric W. Tolliver , Anand Vinayagam , Shaofu Wu , Ignatius D. Santoso , Nalinakshan Kunnath , Stephen R. Bates
发明人： Roberto H. Jacob Da Silva , Gregory G. Page , Surajit Bhattacharya , Chung-Hua Chang , Stephen C. Hanka , Steve Larsen , Christopher Francis Ravenscroft , Eric W. Tolliver , Anand Vinayagam , Shaofu Wu , Ignatius D. Santoso , Nalinakshan Kunnath , Stephen R. Bates
IPC分类号： H04L12/939 , H04L12/775 , H04L12/709 , H04L12/931 , H04L12/707 , H04L12/703
CPC分类号： H04L49/552 , H04L45/22 , H04L45/245 , H04L45/28 , H04L45/58 , H04L49/40 , H04L49/70
摘要： A virtual chassis system includes a plurality of network nodes configured with a master virtual chassis address. The network nodes are connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. The packets include source MAC addresses and associated hardware device information, such as source chassis ID, source network interface identifier and source port identifier information. The network nodes use this information to maintain synchronized MAC address tables for forwarding of packets in the virtual chassis system.
摘要翻译：虚拟机箱系统包括配置有主虚拟机箱地址的多个网络节点。网络节点通过虚拟网络链路（VFL）连接，虚拟网络链路（VFL）提供用于在网络节点之间交换分组的连接。数据包包括源MAC地址和相关的硬件设备信息，如源机箱ID，源网络接口标识符和源端口标识信息。网络节点使用该信息来维护用于在虚拟机箱系统中转发数据包的同步的MAC地址表。

5. 发明申请

US20130064137A1 SYSTEM AND METHOD FOR A PASS THRU MODE IN A VIRTUAL CHASSIS SYSTEM 有权
标题翻译：虚拟底盘系统中的PASS THRU模式的系统和方法
公开(公告)号：US20130064137A1
公开(公告)日：2013-03-14
申请号：US13674352
申请日：2012-11-12
申请人： Ignatius D. Santoso , Roberto H. Jacob Da Silva , Nalinakshan Kunnath
发明人： Ignatius D. Santoso , Roberto H. Jacob Da Silva , Nalinakshan Kunnath
IPC分类号： H04L12/56 , H04L12/28
CPC分类号： H04L49/552 , H04L45/22 , H04L45/245 , H04L45/28 , H04L45/58 , H04L49/65 , H04L49/70
摘要： A virtual chassis system includes a plurality of network nodes connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. A network node in the virtual chassis system is operable in a pass thru mode. In pass thru mode, the network node receives packets over a VFL and transparently forwards the packet over another VFL to another network node in the virtual chassis system. However, the network node 110 disables other port interfaces, such as port interfaces connected to external nodes from the virtual chassis system. The network node 110 in pass thru mode is operable to receive management commands over one or more VFLs and can still be managed through management commands.
摘要翻译：虚拟机箱系统包括通过虚拟结构链路（VFL）连接的多个网络节点，其提供用于在网络节点之间交换分组的连接。虚拟机箱系统中的网络节点可以通过模式工作。在通过模式下，网络节点通过VFL接收数据包，并通过另一个VFL将数据包透明地转发到虚拟机箱系统中的另一个网络节点。然而，网络节点110禁用其他端口接口，例如从虚拟机箱系统连接到外部节点的端口接口。通过模式的网络节点110可操作以通过一个或多个VFL接收管理命令，并且仍然可以通过管理命令进行管理。

6. 发明授权

US09148391B2 System and method for a pass thru mode in a virtual chassis system 有权
标题翻译：虚拟机箱系统中的通过模式的系统和方法
公开(公告)号：US09148391B2
公开(公告)日：2015-09-29
申请号：US13674352
申请日：2012-11-12
申请人： Ignatius D. Santoso , Roberto H. Jacob Da Silva , Nalinakshan Kunnath
发明人： Ignatius D. Santoso , Roberto H. Jacob Da Silva , Nalinakshan Kunnath
IPC分类号： H04L12/939 , H04L12/931 , H04L12/775 , H04L12/709 , H04L12/707 , H04L12/703
CPC分类号： H04L49/552 , H04L45/22 , H04L45/245 , H04L45/28 , H04L45/58 , H04L49/65 , H04L49/70
摘要： A virtual chassis system includes a plurality of network nodes connected by virtual fabric link (VFLs) that provide a connection for exchange of packets between the network nodes. A network node in the virtual chassis system is operable in a pass thru mode. In pass thru mode, the network node receives packets over a VFL and transparently forwards the packet over another VFL to another network node in the virtual chassis system. However, the network node 110 disables other port interfaces, such as port interfaces connected to external nodes from the virtual chassis system. The network node 110 in pass thru mode is operable to receive management commands over one or more VFLs and can still be managed through management commands.
摘要翻译：虚拟机箱系统包括通过虚拟结构链路（VFL）连接的多个网络节点，其提供用于在网络节点之间交换分组的连接。虚拟机箱系统中的网络节点可以通过模式工作。在通过模式下，网络节点通过VFL接收数据包，并通过另一个VFL将数据包透明地转发到虚拟机箱系统中的另一个网络节点。然而，网络节点110禁用其他端口接口，例如从虚拟机箱系统连接到外部节点的端口接口。通过模式的网络节点110可操作以通过一个或多个VFL接收管理命令，并且仍然可以通过管理命令进行管理。

7. 发明授权

US08102760B2 Method for reconvergence after failure in a dual-homing network environment 有权
标题翻译：双归网络环境故障后重新收敛的方法
公开(公告)号：US08102760B2
公开(公告)日：2012-01-24
申请号：US12459349
申请日：2009-06-30
申请人： Laurence Rose , Nalinakshan Kunnath , Jagjeet S. Bhatia
发明人： Laurence Rose , Nalinakshan Kunnath , Jagjeet S. Bhatia
IPC分类号： G06F11/00
CPC分类号： H04L12/462 , H04L12/4625 , H04L41/06 , H04L41/0654 , H04L45/00 , H04L45/02 , H04L45/24 , H04L45/28
摘要： A manner of providing for re-convergence in a dual homing network following the failure of one of the dual homing links. When such a failure is detected, the port roles are recomputed using an xSTP protocol. Prior to the completion of the computation, the operEdge variable is set to true, typically resulting in a more rapid re-convergence that may achieve sub 50 ms performance. When the computation is complete, the operEdge variable is reset to “false. The xSTP protocol may be, for example, RSTP or MSTP. The invention may be implemented in a CE device attached to a VPLS core or other network, and may be used in a LAG environment.
摘要翻译：在双归属链路中的一个故障之后，在双归属网络中提供再收敛的方式。当检测到这种故障时，使用xSTP协议重新计算端口角色。在完成计算之前，operEdge变量设置为true，通常会导致更快速的重新收敛，从而可以实现低于50 ms的性能。当计算完成时，operEdge变量将重置为“false”。 xSTP协议可以是例如RSTP或MSTP。本发明可以在连接到VPLS核心或其他网络的CE设备中实现，并且可以在LAG环境中使用。

8. 发明授权

US07580372B2 System and method for implementing multiple spanning tree protocol automatic 802.1Q trunking 失效
标题翻译：实现多生成树协议自动802.1Q中继的系统和方法
公开(公告)号：US07580372B2
公开(公告)日：2009-08-25
申请号：US11300786
申请日：2005-12-15
申请人： Jeremy Touve , Nalinakshan Kunnath , Jagjeet Bhatia
发明人： Jeremy Touve , Nalinakshan Kunnath , Jagjeet Bhatia
IPC分类号： H04L12/28
CPC分类号： H04L12/4641 , H04L45/245 , H04L45/48 , Y02D50/30
摘要： System and method for performing automatic trunk formation in a multiple spanning tree protocol (“MSTP”)-enabled bridge comprising a plurality of ports are described. In one embodiment, the method comprises determining which ones of the ports comprise MSTP trunk ports; forming an MSTP trunk group for each multiple spanning tree instance (“MSTI”) comprising a group of Virtual Local Area Networks (“VLANs”) belonging to the MSTI; and, for each of the MSTP trunk ports, determining whether a status of the MSTP trunk port is trunk active and if so, adding all VLANs in the MSTP trunk group of the MSTIs that are forwarding on the MSTP trunk port as tagged members of the MSTP trunk port.
摘要翻译：描述了在包括多个端口的多生成树协议（“MSTP”）启用桥中执行自动中继线形成的系统和方法。在一个实施例中，该方法包括确定哪些端口包括MSTP中继端口; 为每个属于该生成树实例的一组虚拟局域网（“VLAN”）的多个生成树实例（“MSTI”）形成MSTP中继组，并且对于每个MSTP中继端口，确定MSTP中继端口的状态是否是中继活动的，如果是，则将MSTP中继端口转发的MSTI的MSTP中继组中的所有VLAN添加为 MSTP中继端口。

9. 发明授权

US07889682B2 Deterministic operation of rapid spanning tree protocols for proper propagation of a “cut” 有权
标题翻译：快速生成树协议的确定性操作适当地传播“剪切”
公开(公告)号：US07889682B2
公开(公告)日：2011-02-15
申请号：US11389700
申请日：2006-03-27
申请人： Jessy Rouyer , Laurence Rose , Nalinakshan Kunnath
发明人： Jessy Rouyer , Laurence Rose , Nalinakshan Kunnath
IPC分类号： H04L12/28
CPC分类号： H04L12/66 , H04L12/462 , H04L45/48
摘要： A bridge (e.g., IEEE 802.1 bridge) and a method are described herein which ensure the proper propagation of a “cut” within a bridged network (e.g., Ethernet-based bridged network). In one embodiment, the bridge has a port role transitions (PRT) state machine which uses a first condition represented as (proposed && !agree) to transit to an X_PROPOSED state and a second condition represented as (! proposed && allSynced && !agree) ∥ (proposed && agree) to transit to an X_AGREED state (where X represents “ROOT”, “ALTERNATE” and “MASTER”). The first condition and the second condition are both defined such that the X_PROPOSED state is always entered before the X_AGREED state which ensures the proper propagation of a “cut” within the bridged network.
摘要翻译：这里描述了一种桥接器（例如，IEEE802.1桥）和方法，其确保桥接网络（例如，基于以太网的桥接网络）内的“切断”的适当传播。在一个实施例中，桥具有端口角色转换（PRT）状态机，其使用表示为（建议&&！同意）的第一条件转移到X_PROPOSED状态，第二条件表示为（！建议&& allSynced &&！同意） ∥（建议&&同意）转入X_AGREED状态（其中X表示“ROOT”，“ALTERNATE”和“MASTER”）。第一条件和第二条件都被定义为使X_PROPOSED状态始终在X_AGREED状态之前输入，以确保桥接网络中“切断”的正确传播。

10. 发明申请

US20100329110A1 Method for reconvergence after failure in a dual-homing network environment 有权
标题翻译：双归网络环境故障后重新收敛的方法
公开(公告)号：US20100329110A1
公开(公告)日：2010-12-30
申请号：US12459349
申请日：2009-06-30
申请人： Laurence Rose , Nalinakshan Kunnath , Jagjeet S. Bhatia
发明人： Laurence Rose , Nalinakshan Kunnath , Jagjeet S. Bhatia
IPC分类号： G06F11/00
CPC分类号： H04L12/462 , H04L12/4625 , H04L41/06 , H04L41/0654 , H04L45/00 , H04L45/02 , H04L45/24 , H04L45/28
摘要： A manner of providing for re-convergence in a dual homing network following the failure of one of the dual homing links. When such a failure is detected, the port roles are recomputed using an xSTP protocol. Prior to the completion of the computation, the operEdge variable is set to true, typically resulting in a more rapid re-convergence that may achieve sub 50 ms performance. When the computation is complete, the operEdge variable is reset to “false. The xSTP protocol may be, for example, RSTP or MSTP. The invention may be implemented in a CE device attached to a VPLS core or other network, and may be used in a LAG environment.
摘要翻译：在双归属链路中的一个故障之后，在双归属网络中提供再收敛的方式。当检测到这种故障时，使用xSTP协议重新计算端口角色。在完成计算之前，operEdge变量设置为true，通常会导致更快速的重新收敛，从而可以实现低于50 ms的性能。当计算完成时，operEdge变量将重置为“false”。 xSTP协议可以是例如RSTP或MSTP。本发明可以在连接到VPLS核心或其他网络的CE设备中实现，并且可以在LAG环境中使用。

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