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    Automatic Discovery and Provisioning of Multi-Chassis Etherchannel Peers
    3.
    发明申请
    Automatic Discovery and Provisioning of Multi-Chassis Etherchannel Peers 审中-公开
    自动发现和配置多机箱以太通道对等体

    公开(公告)号：US20160254960A1

    公开(公告)日：2016-09-01

    申请号：US14632070

    申请日：2015-02-26

    Applicant: Cisco Technology, Inc.

    Inventor： Nalinaksh M. Pai ,  Sanjay Kumar Hooda ,  Peter Geoffrey Jones

    IPC: H04L12/24 ,  H04L12/721

    CPC classification number: H04L41/12 ,  H04L41/0806 ,  H04L41/0886 ,  H04L45/66 ,  H04L49/15 ,  H04L49/351 ,  H04L49/65

    Abstract: Methods and system are disclosed which can simplify the configuration of a MCEC in a fabric environment such that is may become automatic. Furthermore, centralized identities (such as a host tracking database and/or a network controlled) may be employed to detect the presence of a MCEC. Requiring the creation of direct links between network devices participating in the MCEC may be avoided. Furthermore, logical L2 fabric connectivity (over a L3 fabric underlay) may be utilized to provide dual homing active-active services without additional configuration, as the tracking of peer network devices may be performed in a centralized manner. For example, a host tracking database or a network controller may be employed for peer tracking.

    Abstract translation: 公开了可以简化在织物环境中的MCEC的配置的方法和系统，使得可以变得自动化。 此外，可以采用集中式身份（例如主机跟踪数据库和/或网络控制）来检测MCEC的存在。 可以避免在参与MCEC的网络设备之间创建直接链路。 此外，可以利用逻辑L2架构连接（通过L3架构底层）来提供双重归属活动主动服务而无需附加配置，因为对等网络设备的跟踪可以以集中的方式执行。 例如，可以采用主机跟踪数据库或网络控制器来进行对等跟踪。

    Automatic discovery and provisioning of multi-chassis etherchannel peers
    4.
    发明授权
    Automatic discovery and provisioning of multi-chassis etherchannel peers 有权

    公开(公告)号：US10171306B2

    公开(公告)日：2019-01-01

    申请号：US14632070

    申请日：2015-02-26

    Applicant: Cisco Technology, Inc.

    Inventor： Nalinaksh M. Pai ,  Sanjay Kumar Hooda ,  Peter Geoffrey Jones

    IPC: H04L12/24 ,  H04L12/721 ,  H04L12/931 ,  H04L12/933

    Abstract: Methods and system are disclosed which can simplify the configuration of a MCEC in a fabric environment such that is may become automatic. Furthermore, centralized identities (such as a host tracking database and/or a network controlled) may be employed to detect the presence of a MCEC. Requiring the creation of direct links between network devices participating in the MCEC may be avoided. Furthermore, logical L2 fabric connectivity (over a L3 fabric underlay) may be utilized to provide dual homing active-active services without additional configuration, as the tracking of peer network devices may be performed in a centralized manner. For example, a host tracking database or a network controller may be employed for peer tracking.

    Virtual Expansion of Network Fabric Edge for Multihoming of Layer-2 Switches and Hosts
    5.
    发明申请
    Virtual Expansion of Network Fabric Edge for Multihoming of Layer-2 Switches and Hosts 有权
    网络结构边缘的虚拟扩展，用于多层次的二层交换机和主机

    公开(公告)号：US20170041222A1

    公开(公告)日：2017-02-09

    申请号：US14820636

    申请日：2015-08-07

    Applicant: Cisco Technology, Inc.

    Inventor： Sanjay Kumar Hooda ,  Nalinaksh M. Pai ,  Atri Indiresan

    IPC: H04L12/721 ,  H04L12/947 ,  H04L29/12

    CPC classification number: H04L45/66 ,  H04L45/02 ,  H04L49/15 ,  H04L49/25 ,  H04L61/2007

    Abstract: Methods and systems are provided for virtual expansion of a fabric network edge to include edge network devices. For example, unique virtual Internet Protocol (IP) addresses may be assigned to a plurality of L2 switches, wherein the L2 switches are connected to one or more fabric edge devices in a fabric, and wherein the L2 switches are located outside of the fabric. Next, the unique virtual IP addresses may be announced in an underlay of the fabric.

    Abstract translation: 提供了用于将网络边缘虚拟扩展以包括边缘网络设备的方法和系统。 例如，唯一的虚拟互联网协议（IP）地址可以被分配给多个L2交换机，其中L2交换机连接到一个或多个织物边缘设备，并且其中L2交换机位于结构外部。 接下来，唯一的虚拟IP地址可以在织物的底层中公布。

    Single hop overlay architecture for line rate performance in campus networks
    6.
    发明授权
    Single hop overlay architecture for line rate performance in campus networks 有权
    校园网线路速率性能的单跳覆盖架构

    公开(公告)号：US09531564B2

    公开(公告)日：2016-12-27

    申请号：US14155493

    申请日：2014-01-15

    Applicant: Cisco Technology, Inc.

    Inventor： Rajagopalan Janakiraman ,  Anupama Ashok Lolage ,  Pags Krishnamoorthy ,  Sanjay Kumar Hooda ,  Nalinaksh M. Pai

    IPC: H04L12/741 ,  H04L12/733 ,  H04L12/46 ,  H04L12/715 ,  H04L12/721

    CPC classification number: H04L12/4633 ,  H04L12/4641 ,  H04L45/64 ,  H04L45/66

    Abstract: Methods and systems are provided for detecting overlay end points which are a single physical hop away and employing a simplified overlay header instead of a regular overlay header for communications with the identified end points. The simplified overlay header may carry overlay protocol related forwarding and peer information and may be designed to carry locally significant forwarding information which avoids overlay lookup related overhead on encapsulation and decapsulation operations. The simplified overlay header may be handled in the same forwarding pipeline pass as the handling of the inner frame and may work across different forwarding engines. Upon detection of a single hop link/keepalive failure, the backup overlay (original overlay header) may be used for forwarding.

    Abstract translation: 提供了用于检测作为单个物理跳越的重叠端点的方法和系统，并且采用简化的覆盖报头而不是用于与所识别的端点进行通信的常规覆盖报头。 简化的覆盖报头可以携带覆盖协议相关的转发和对等信息，并且可以被设计为承载本地有效的转发信息，这避免了在封装和解封装操作上的覆盖查找相关开销。 简化的覆盖报头可以处理在与内部帧的处理相同的转发流水线中，并且可以跨不同的转发引擎工作。 在检测到单跳链路/保活性故障时，可以使用备份覆盖（原始覆盖报头）进行转发。

    Single Hop Overlay Architecture for Line Rate Performance in Campus Networks
    7.
    发明申请
    Single Hop Overlay Architecture for Line Rate Performance in Campus Networks 有权
    校园网线路速率性能的单跳覆盖架构

    公开(公告)号：US20150200848A1

    公开(公告)日：2015-07-16

    申请号：US14155493

    申请日：2014-01-15

    Applicant: Cisco Technology, Inc.

    Inventor： Rajagopalan Janakiraman ,  Anupama Ashok Lolage ,  Pags Krishnamoorthy ,  Sanjay Kumar Hooda ,  Nalinaksh M. Pai

    IPC: H04L12/741 ,  H04L12/733

    CPC classification number: H04L12/4633 ,  H04L12/4641 ,  H04L45/64 ,  H04L45/66

    Abstract: Methods and systems are provided for detecting overlay end points which are a single physical hop away and employing a simplified overlay header instead of a regular overlay header for communications with the identified end points. The simplified overlay header may carry overlay protocol related forwarding and peer information and may be designed to carry locally significant forwarding information which avoids overlay lookup related overhead on encapsulation and decapsulation operations. The simplified overlay header may be handled in the same forwarding pipeline pass as the handling of the inner frame and may work across different forwarding engines. Upon detection of a single hop link/keepalive failure, the backup overlay (original overlay header) may be used for forwarding.

    Abstract translation: 提供了用于检测作为单个物理跳越的重叠端点的方法和系统，并且采用简化的覆盖报头而不是用于与所识别的端点进行通信的常规覆盖报头。 简化的覆盖报头可以携带覆盖协议相关的转发和对等信息，并且可以被设计为承载本地有效的转发信息，这避免了在封装和解封装操作上的覆盖查找相关开销。 简化的覆盖报头可以处理在与内部帧的处理相同的转发流水线中，并且可以跨不同的转发引擎工作。 在检测到单跳链路/保活性故障时，可以使用备份覆盖（原始覆盖报头）进行转发。

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