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    Forwarding table optimization with flow data
    1.
    发明授权
    Forwarding table optimization with flow data 有权
    转发表优化与流数据

    公开(公告)号：US09106443B2

    公开(公告)日：2015-08-11

    申请号：US13661624

    申请日：2012-10-26

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Yaonan Liang ,  Chengelpet V. Ramesh ,  Ganesh P. Murthy ,  Ming Zhang ,  Rajesh B. Nataraja

    IPC: H04L12/46 ,  H04L12/743 ,  H04L12/751 ,  H04L12/741

    CPC classification number: H04L12/4625 ,  H04L45/02 ,  H04L45/54 ,  H04L45/7457

    Abstract: In one embodiment, a method includes receiving from a server, flow data for a plurality of flows at a network device, the flow data comprising for each flow, a destination address and a time indicating when a last packet was processed for the flow at the server, updating a flow table at the network device, identifying one of the flows in the flow table as an inactive flow, and removing a route for the inactive flow from a forwarding information base at the network device. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括从服务器接收在网络设备处的多个流的流数据，所述流数据包括针对每个流的目的地地址和指示何时处理最后一个分组的流程 服务器，更新网络设备处的流表，将流表中的一个流识别为非活动流，以及从网络设备的转发信息库中去除不活动流的路由。 本文还公开了一种装置和逻辑。

    ROUTING INTERNET PROTOCOL VERSION 6 LINK-LOCAL ADDRESSES IN A NETWORK ENVIRONMENT
    2.
    发明申请
    ROUTING INTERNET PROTOCOL VERSION 6 LINK-LOCAL ADDRESSES IN A NETWORK ENVIRONMENT 有权
    互联网协议版本6网络环境中的链接地址

    公开(公告)号：US20140328343A1

    公开(公告)日：2014-11-06

    申请号：US13888052

    申请日：2013-05-06

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Shyam Kapadia ,  Chengelpet V. Ramesh ,  Ming Zhang

    IPC: H04L12/56 ,  H04L12/741

    CPC classification number: H04L45/741 ,  H04L45/66

    Abstract: An example method for routing IPv6 link-local addresses in a network environment is provided and includes receiving a packet at a first switch from an attached first host in a virtual local area network (VLAN) associated with a virtual routing and forwarding (VRF) instance of a network environment, where the packet is destined to an Internet Protocol version 6 (IPv6) link-local address of a remote second host in the VLAN, and routing the packet at Layer 3 to a second switch, to which the second host is attached. In specific embodiments, the second switch routes the packet at Layer 3 to the second host if the VRF does not include duplicate IPv6 link-local addresses corresponding to the IPv6 link-local address of the second host; the second switch bridges the packet at Layer 2 to the second host if the VRF includes at least one duplicate IPv6 link-local address.

    Abstract translation: 提供了用于在网络环境中路由IPv6链路本地地址的示例性方法，并且包括在与虚拟路由和转发（VRF）实例相关联的虚拟局域网（VLAN）中的附接第一主机的第一交换机处接收分组 的网络环境，其中分组去往VLAN中的远程第二主机的因特网协议版本6（IPv6）链路本地地址，并且将第3层的分组路由到第二主机所在的第二交换机 附上。 在具体实施例中，如果VRF不包括对应于第二主机的IPv6链路本地地址的重复IPv6链路本地地址，则第二交换机将分组在层3路由到第二主机; 如果VRF包括至少一个重复的IPv6链路本地地址，则第二交换机将分组在二层桥接到第二主机。

    FORWARDING TABLE OPTIMIZATION WITH FLOW DATA
    4.
    发明申请
    FORWARDING TABLE OPTIMIZATION WITH FLOW DATA 有权
    前进表优化与流量数据

    公开(公告)号：US20140119379A1

    公开(公告)日：2014-05-01

    申请号：US13661624

    申请日：2012-10-26

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Yaonan Liang ,  Chengelpet V. Ramesh ,  Ganesh P. Murthy ,  Ming Zhang ,  Rajesh B. Nataraja

    IPC: H04L12/56

    CPC classification number: H04L12/4625 ,  H04L45/02 ,  H04L45/54 ,  H04L45/7457

    Abstract: In one embodiment, a method includes receiving from a server, flow data for a plurality of flows at a network device, the flow data comprising for each flow, a destination address and a time indicating when a last packet was processed for the flow at the server, updating a flow table at the network device, identifying one of the flows in the flow table as an inactive flow, and removing a route for the inactive flow from a forwarding information base at the network device. An apparatus and logic are also disclosed herein.

    Abstract translation: 在一个实施例中，一种方法包括从服务器接收在网络设备处的多个流的流数据，所述流数据包括针对每个流的目的地地址和指示何时处理最后一个分组的流程 服务器，更新网络设备处的流表，将流表中的一个流识别为非活动流，以及从网络设备的转发信息库中去除不活动流的路由。 本文还公开了一种装置和逻辑。

    Routing internet protocol version 6 link-local addresses in a network environment
    5.
    发明授权
    Routing internet protocol version 6 link-local addresses in a network environment 有权
    在网络环境中路由Internet协议版本6链路本地地址

    公开(公告)号：US09559952B2

    公开(公告)日：2017-01-31

    申请号：US13888052

    申请日：2013-05-06

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Shyam Kapadia ,  Chengelpet V. Ramesh ,  Ming Zhang

    IPC: H04L12/28 ,  H04L12/56 ,  H04L12/781 ,  H04L12/721

    CPC classification number: H04L45/741 ,  H04L45/66

    Abstract: An example method for routing IPv6 link-local addresses in a network environment is provided and includes receiving a packet at a first switch from an attached first host in a virtual local area network (VLAN) associated with a virtual routing and forwarding (VRF) instance of a network environment, where the packet is destined to an Internet Protocol version 6 (IPv6) link-local address of a remote second host in the VLAN, and routing the packet at Layer 3 to a second switch, to which the second host is attached. In specific embodiments, the second switch routes the packet at Layer 3 to the second host if the VRF does not include duplicate IPv6 link-local addresses corresponding to the IPv6 link-local address of the second host; the second switch bridges the packet at Layer 2 to the second host if the VRF includes at least one duplicate IPv6 link-local address.

    Abstract translation: 提供了用于在网络环境中路由IPv6链路本地地址的示例性方法，并且包括在与虚拟路由和转发（VRF）实例相关联的虚拟局域网（VLAN）中的附接第一主机的第一交换机处接收分组 的网络环境，其中分组去往VLAN中的远程第二主机的因特网协议版本6（IPv6）链路本地地址，并且将第3层的分组路由到第二主机所在的第二交换机 附上。 在具体实施例中，如果VRF不包括对应于第二主机的IPv6链路本地地址的重复IPv6链路本地地址，则第二交换机将分组在层3路由到第二主机; 如果VRF包括至少一个重复的IPv6链路本地地址，则第二交换机将分组在二层桥接到第二主机。

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