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    FAST CONVERGENCE ON LINK FAILURE IN MULTI-HOMED ETHERNET VIRTUAL PRIVATE NETWORKS
    1.
    发明申请
    FAST CONVERGENCE ON LINK FAILURE IN MULTI-HOMED ETHERNET VIRTUAL PRIVATE NETWORKS 有权
    多重以太网虚拟网络中链路故障的快速融合

    公开(公告)号：US20160191374A1

    公开(公告)日：2016-06-30

    申请号：US14587839

    申请日：2014-12-31

    申请人： Juniper Networks, Inc.

    发明人： Nitin Singh ,  Anshu Verma ,  Sudha Madhavi Yeevani ,  Manoj Sharma ,  Hassan C. Hosseini ,  Prasantha Kumar Gudipati

    IPC分类号： H04L12/707 ,  H04L12/721 ,  H04L12/709 ,  H04L12/24 ,  H04L12/46 ,  H04L12/703 ,  H04L12/723

    CPC分类号： H04L45/22 ,  H04L12/4641 ,  H04L41/00 ,  H04L41/0654 ,  H04L45/24 ,  H04L45/245 ,  H04L45/28

    摘要： Techniques are described for providing fast convergence in the event of a link failure in an all-active multi-homed Ethernet virtual private network. A provide edge (PE) network device may pre-configure an interface next hop and secondary next hops. The secondary next hops may be logical links to other PE network devices in the same Ethernet segment. In the event of a link failure in the interface next hop between the PE network device and a customer edge (CE) network device, the PE network device may be configured to forward data traffic to the CE network device using the secondary next hops. In the event of a link failure between the PE network device and a core network, the PE network device may be configured to send an out-of-service message to the CE network device that instructs the CE network device to stop sending traffic to the PE network device.

    摘要翻译： 描述了在所有活动的多宿主以太网虚拟专用网络中的链路故障的情况下提供快速收敛的技术。 提供边缘（PE）网络设备可以预先配置接口下一跳和次级下一跳。 次级下一跳可以是到相同以太网段中的其他PE网络设备的逻辑链路。 在PE网络设备和客户端（CE）网络设备之间的接口下一跳链路故障的情况下，PE网络设备可以被配置为使用次级下一跳将数据业务转发到CE网络设备。 在PE网络设备与核心网络发生链路故障的情况下，可以将PE网络设备配置为向CE网络设备发送失效消息，指示CE网络设备停止向 PE网络设备。

    Apparatus, system, and method for achieving redundancy and load-balancing across communication layers within networks
    4.
    发明授权
    Apparatus, system, and method for achieving redundancy and load-balancing across communication layers within networks 有权

    公开(公告)号：US10027589B1

    公开(公告)日：2018-07-17

    申请号：US15198974

    申请日：2016-06-30

    申请人： Juniper Networks, Inc.

    发明人： Nitin Singh ,  Ryan Bickhart ,  Kaliraj Vairavakkalai

    IPC分类号： H04L12/761 ,  H04L12/803 ,  H04L29/12 ,  H04L12/46

    摘要： The disclosed method may include (1) identifying a customer edge router that is multi-homed to a provider edge router and another provider edge router, (2) determining, by the provider edge router, that the other provider edge router has identified an Internet Protocol address of the customer edge router by way of an Address Resolution Protocol, (3) learning, by the provider edge router, the Internet Protocol address of the customer edge router from the other provider edge router, and then (4) advertising, by the provider edge router to at least one gateway of at least one other customer edge router, a route that facilitates communication with the customer edge router via the provider edge router based at least in part on the Internet Protocol address of the customer edge router. Various other methods, systems, and apparatuses are also disclosed.

    Processing inter-VLAN traffic in an ethernet tree
    8.
    发明授权
    Processing inter-VLAN traffic in an ethernet tree 有权

    公开(公告)号：US10187304B2

    公开(公告)日：2019-01-22

    申请号：US15058416

    申请日：2016-03-02

    申请人： Juniper Networks, Inc.

    发明人： Manoj Sharma ,  Wen Lin ,  Nitin Singh ,  John E. Drake

    IPC分类号： H04L12/753 ,  H04L12/46 ,  H04L12/715 ,  H04L12/18 ,  H04L12/741 ,  H04L12/721

    摘要： A device may receive, from a first device associated with a first LAN, network traffic destined for a second LAN. The device may provide the first LAN with access to a core network. The device may not provide the second LAN with access to the core network. The device may identify, based on the network traffic, a Layer 3 address associated with a second device. The second device may be associated with the second LAN. The device may determine that the first device is categorized as a leaf device within an Ethernet Tree provided by the device. The device may determine, based on the Layer 3 address, that the second device is categorized as a leaf device within the Ethernet Tree. The device may drop the network traffic based on determining that the first device and the second device are categorized as leaf devices within the Ethernet Tree.