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    SCALABLE METHOD TO SUPPORT MULTI-DEVICE LINK AGGREGATION
    1.
    发明申请
    SCALABLE METHOD TO SUPPORT MULTI-DEVICE LINK AGGREGATION 有权
    支持多设备链路聚合的可扩展方法

    公开(公告)号：US20140362736A1

    公开(公告)日：2014-12-11

    申请号：US14467211

    申请日：2014-08-25

    Applicant: Juniper Networks, Inc.

    Inventor： Shankar RAMANATHAN ,  Srinivas Chinnam ,  Manish Singh ,  Harshad Nakil

    IPC: H04L12/709 ,  H04L12/751

    CPC classification number: H04L12/24 ,  H04L41/00 ,  H04L45/02 ,  H04L45/245 ,  H04L47/10 ,  Y02D50/30

    Abstract: A network device determines whether the network device has a local link for a link aggregation group (LAG), and identifies, when the network device has a local link for the LAG, the network device as a designated forwarder for the LAG. The network device also identifies, when the network device does not have a local link for the LAG, a closest network device to the network device, with a local link for the LAG, as the designated forwarder for the LAG.

    Abstract translation: 网络设备确定网络设备是否具有用于链路聚合组（LAG）的本地链路，并且当网络设备具有用于LAG的本地链路时，将网络设备识别为用于LAG的指定转发器。 当网络设备没有用于LAG的本地链路时，网络设备还识别到具有用于LAG的本地链路的网络设备的最接近的网络设备作为LAG的指定转发器。

    VIRTUAL LINK AGGREGATION OF NETWORK TRAFFIC IN AN AGGREGATION SWITCH
    2.
    发明申请
    VIRTUAL LINK AGGREGATION OF NETWORK TRAFFIC IN AN AGGREGATION SWITCH 有权
    虚拟链路在聚合交换机中的网络流量聚合

    公开(公告)号：US20130243008A1

    公开(公告)日：2013-09-19

    申请号：US13892702

    申请日：2013-05-13

    Applicant: JUNIPER NETWORKS, INC.

    Inventor： Ankur SINGLA ,  Harshad Nakil ,  Rajashekar Reddy ,  Hampapur Nagaraj Ajay

    IPC: H04L12/70

    CPC classification number: H04L49/00 ,  H04L45/245 ,  H04L49/10 ,  H04L49/70 ,  Y02D30/30

    Abstract: Access switches in a switching system may use virtual aggregated links. When a link between an aggregation switch and an access switch fails, the link failure may be reflected in the virtual aggregated link and data traffic to another access switch may be switched away from the failed switch. A forwarding table in the access switch stores a number of entries that each define a correspondence between destination addresses and an output identifier for the switch. At least a first output identifier includes an aggregated link that represents a first set of possible output links. At least a second output identifier includes a virtual aggregated link, associated with a second network switch that represents a second set of possible output links. Destination addresses in the forwarding table for the virtual aggregated link correspond to network devices connected to the second network switch.

    Abstract translation: 交换系统中的接入交换机可以使用虚拟聚合链路。 当聚合交换机与接入交换机之间的链路发生故障时，链路故障可能反映在虚拟聚合链路中，并且到另一接入交换机的数据流量可能会从故障交换机切换。 访问交换机中的转发表存储多个条目，每个条目定义目的地址与交换机的输出标识符之间的对应关系。 至少第一输出标识符包括代表第一组可能输出链路的聚合链路。 至少第二输出标识符包括与表示第二组可能输出链路的第二网络交换机相关联的虚拟聚合链路。 用于虚拟聚合链路的转发表中的目的地址对应于连接到第二网络交换机的网络设备。

    Automatic software update on network devices
    4.
    发明授权
    Automatic software update on network devices 有权
    在网络设备上自动更新软件

    公开(公告)号：US09032477B2

    公开(公告)日：2015-05-12

    申请号：US13759480

    申请日：2013-02-05

    Applicant: Juniper Networks, Inc.

    Inventor： Ashish Ranjan ,  Harshad Nakil

    IPC: H04L29/06 ,  G06F21/00 ,  H04L29/12 ,  G06F21/57 ,  H04L29/08

    CPC classification number: G06F8/61 ,  G06F8/71 ,  G06F21/57 ,  H04L61/2015 ,  H04L67/34

    Abstract: A method may include contacting, by a network device, another device to obtain at least one of a network address, authentication, or authorization, receiving, from the other device, software update information that identifies an up-to-date software that the network device should have installed and location information that identifies a location from which to retrieve the up-to-date software, comparing, by the network device, the software update information to software information that identifies software currently installed on the network device, retrieving, by the network device, the up-to-date software based on the software update information and the location information when the software update information and the software information do not match, and auto-installing, by the network device, the up-to-date software.

    Abstract translation: 一种方法可以包括通过网络设备接触另一设备以获得网络地址，认证或授权中的至少一个，从另一设备接收标识最新软件的软件更新信息，所述软件更新信息是网络 设备应该已经安装，并且位置信息标识了从哪里检索最新软件的位置，网络设备将软件更新信息与识别网络设备上当前安装的软件的软件信息进行比较，通过 网络设备，当软件更新信息和软件信息不匹配时，基于软件更新信息和位置信息的最新软件，以及由网络设备自动安装最新的 软件。

    Network disruption prevention when virtual chassis system undergoes splits and merges
    6.
    发明授权
    Network disruption prevention when virtual chassis system undergoes splits and merges 有权
    虚拟机箱系统分裂和合并时的网络中断防范

    公开(公告)号：US08958285B2

    公开(公告)日：2015-02-17

    申请号：US13745372

    申请日：2013-01-18

    Applicant: Juniper Networks, Inc.

    Inventor： Saurabh Agarwal ,  Rajashekar Reddy ,  Harshad Nakil ,  Megh Bhatt

    IPC: G01R31/08 ,  G06F11/20 ,  H04L12/24 ,  H04L29/14

    CPC classification number: G06F11/2002 ,  H04L41/0677 ,  H04L41/0893 ,  H04L69/40

    Abstract: A method performed by network devices that includes operating in a normal mode, where the network devices form a virtual chassis that corresponds to a single logical network device; detecting when a failure within the virtual chassis occurs; executing a splitting process to form one or more new virtual chassis in correspondence to the failure; determining whether one of the one or more new virtual chassis operates as a functioning virtual chassis based on whether at least one of a set of criteria is satisfied, where the functioning virtual chassis operates according to resources configured for the virtual chassis; and operating as a nonfunctioning virtual chassis when it is determined that the one of the one or more virtual chassis does not satisfy the at least one of the set of criteria, where the nonfunctioning virtual chassis operates in a pass-through mode.

    Abstract translation: 网络设备执行的方法，其包括以正常模式操作，其中网络设备形成对应于单个逻辑网络设备的虚拟机箱; 检测虚拟机箱内的故障发生时间; 执行拆分过程以形成与故障相对应的一个或多个新的虚拟底盘; 基于是否满足一组标准中的至少一个来确定所述一个或多个新的虚拟机架中的一个虚拟机是否起作为功能的虚拟机架的作用，其中所述功能性虚拟机架根据为所述虚拟机架配置的资源而运行; 并且当确定所述一个或多个虚拟机箱中的一个不满足所述一组标准中的至少一个时，其中所述不起作用的虚拟机箱以直通模式操作。

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