公开(公告)号：US09787573B2

公开(公告)日：2017-10-10

申请号：US14587839

申请日：2014-12-31

Applicant: Juniper Networks, Inc.

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

IPC: H04L1/00 ,  H04L12/707 ,  H04L12/703 ,  H04L12/24 ,  H04L12/46 ,  H04L12/709

CPC classification number: H04L45/22 ,  H04L12/4641 ,  H04L41/00 ,  H04L41/0654 ,  H04L45/24 ,  H04L45/245 ,  H04L45/28

Abstract: 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.

公开(公告)号：US20170195210A1

公开(公告)日：2017-07-06

申请号：US14985103

申请日：2015-12-30

Applicant: Juniper Networks, Inc.

Inventor： Sudhin Jacob ,  Deepesh Sudhakaran Nair ,  Sushant Kumar ,  Arijit Paul ,  Prasantha Kumar Gudipati

IPC: H04L12/715 ,  H04L12/741 ,  H04L29/08 ,  H04L12/721 ,  H04L12/46

CPC classification number: H04L45/04 ,  H04L12/4625 ,  H04L12/4641 ,  H04L45/22 ,  H04L45/24 ,  H04L45/26 ,  H04L45/28 ,  H04L45/66 ,  H04L45/74 ,  H04L69/321

Abstract: A network device operable as a provide edge router is described. The network device comprises one or more processors operably coupled to a memory; a configuration interface configured for execution by the one or more processors to receive configuration data configuring the network device as a provider edge router of an intermediate layer 3 network to provide multi-homed layer 2 virtual bridge connectivity to a customer edge device using an active-standby mode of operation; and a routing process configured for execution by the one or more processors to send, to a remote provider edge router in response to determining the network device is able to send layer 2 packets to the customer edge device, a route advertisement that includes a static route specifying a layer 3 address of the customer edge device as a next-hop for a layer 3 subnet.

公开(公告)号：US10237163B2

公开(公告)日：2019-03-19

申请号：US14985103

申请日：2015-12-30

Applicant: Juniper Networks, Inc.

Inventor： Sudhin Jacob ,  Deepesh Sudhakaran Nair ,  Sushant Kumar ,  Arijit Paul ,  Prasantha Kumar Gudipati

IPC: H04L12/28 ,  H04L12/715 ,  H04L12/46 ,  H04L12/721 ,  H04L12/741 ,  H04L29/08 ,  H04L12/707 ,  H04L12/703

Abstract: A network device operable as a provide edge router is described. The network device comprises one or more processors operably coupled to a memory; a configuration interface configured for execution by the one or more processors to receive configuration data configuring the network device as a provider edge router of an intermediate layer 3 network to provide multi-homed layer 2 virtual bridge connectivity to a customer edge device using an active-standby mode of operation; and a routing process configured for execution by the one or more processors to send, to a remote provider edge router in response to determining the network device is able to send layer 2 packets to the customer edge device, a route advertisement that includes a static route specifying a layer 3 address of the customer edge device as a next-hop for a layer 3 subnet.

公开(公告)号：US20160191374A1

公开(公告)日：2016-06-30

申请号：US14587839

申请日：2014-12-31

Applicant: Juniper Networks, Inc.

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

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

CPC classification number: H04L45/22 ,  H04L12/4641 ,  H04L41/00 ,  H04L41/0654 ,  H04L45/24 ,  H04L45/245 ,  H04L45/28

Abstract: 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.

Abstract translation: 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。