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    Fast reroute for ethernet virtual private networks—virtual extensible local area network
    1.
    发明授权
    Fast reroute for ethernet virtual private networks—virtual extensible local area network 有权

    公开(公告)号：US11546253B2

    公开(公告)日：2023-01-03

    申请号：US17301351

    申请日：2021-03-31

    申请人： Juniper Networks, Inc.

    发明人： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  SelvaKumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

    IPC分类号： H04L45/28 ,  H04L41/0668 ,  H04L12/46

    摘要： Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.

    FAST REROUTE FOR ETHERNET VIRTUAL PRIVATE NETWORKS - VIRTUAL EXTENSIBLE LOCAL AREA NETWORK
    4.
    发明申请
    FAST REROUTE FOR ETHERNET VIRTUAL PRIVATE NETWORKS - VIRTUAL EXTENSIBLE LOCAL AREA NETWORK 有权

    公开(公告)号：US20230095253A1

    公开(公告)日：2023-03-30

    申请号：US18060521

    申请日：2022-11-30

    申请人： Juniper Networks, Inc.

    发明人： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  SelvaKumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

    IPC分类号： H04L45/28 ,  H04L12/46 ,  H04L41/0668

    摘要： Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.

    Fast convergence for MAC mobility
    5.
    发明授权
    Fast convergence for MAC mobility 有权

    公开(公告)号：US11088871B1

    公开(公告)日：2021-08-10

    申请号：US16788072

    申请日：2020-02-11

    申请人： Juniper Networks, Inc.

    发明人： Wen Lin ,  Ravi Shekhar ,  Vamshi Krishna Voruganti ,  Aldrin Isaac ,  SelvaKumar Sivaraj ,  Sean A. Mentzer ,  John E. Drake

    IPC分类号： H04L12/46 ,  H04L29/12 ,  H04L12/66 ,  H04L12/723

    摘要： A first provider edge device may receive device information from a second provider edge device included in an Ethernet virtual private network (EVPN). The device information may identify a media access control (MAC) address and may indicate that the device is connected to the second provider edge device. The first provider edge device may receive data transmitted by the device and may determine, based on information included in the data, that the device has moved from the second provider edge device to the first provider edge device. The first provider edge device may generate a data packet including mobility information indicating that the device has moved to the first provider edge device. The first provider edge device may transmit, via a data plane of the EVPN, the data packet to the second provider edge device to permit the second provider edge device to update routing information for the device.

    FAST REROUTE FOR ETHERNET VIRTUAL PRIVATE NETWORKS - VIRTUAL EXTENSIBLE LOCAL AREA NETWORK
    7.
    发明申请
    FAST REROUTE FOR ETHERNET VIRTUAL PRIVATE NETWORKS - VIRTUAL EXTENSIBLE LOCAL AREA NETWORK 有权

    公开(公告)号：US20220321458A1

    公开(公告)日：2022-10-06

    申请号：US17301351

    申请日：2021-03-31

    申请人： Juniper Networks, Inc.

    发明人： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  SelvaKumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

    IPC分类号： H04L12/703 ,  H04L12/46 ,  H04L12/24

    摘要： Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.