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    SECURING INTER-AUTONOMOUS SYSTEM LINKS
    11.
    发明申请
    SECURING INTER-AUTONOMOUS SYSTEM LINKS 有权

    公开(公告)号：US20170093701A1

    公开(公告)日：2017-03-30

    申请号：US14871044

    申请日：2015-09-30

    Applicant: Juniper Networks, Inc.

    Inventor： Jeyananth Minto Jeganathan ,  Kaliraj Vairavakkalai

    IPC: H04L12/723 ,  H04L12/46 ,  H04L12/741

    CPC classification number: H04L45/50 ,  H04L12/4641 ,  H04L45/04 ,  H04L45/502 ,  H04L45/54 ,  H04L45/745 ,  H04L49/3009 ,  H04L49/602

    Abstract: In one example, an autonomous system boundary router (ASBR) forms part of a first autonomous system (AS). The ASBR is between a first provider edge (PE) router of the first AS and a second PE router of a second, different AS. The first PE router and the second PE router form a Multiprotocol Label Switching (MPLS) path. The ASBR includes an interface communicatively coupled to a routing device external to the first AS, a memory configured to store a forwarding table associated with the interface, and one or more processing units configured to receive a packet via the interface, determine that the packet is encapsulated by an MPLS label, select a forwarding table based on the interface by which the packet was received, and forward the packet according to forwarding information of the forwarding table when the forwarding table includes the MPLS label.

    Signaling private context forwarding tables for a private forwarding layer
    12.
    发明授权
    Signaling private context forwarding tables for a private forwarding layer 有权

    公开(公告)号：US10659352B2

    公开(公告)日：2020-05-19

    申请号：US15610313

    申请日：2017-05-31

    Applicant: Juniper Networks, Inc.

    Inventor： Kaliraj Vairavakkalai ,  Jeyananth Minto Jeganathan

    IPC: H04L12/28 ,  H04L12/723 ,  H04L12/721 ,  H04L29/06 ,  H04L12/741

    Abstract: In some examples, a method includes receiving, by a first network device, a private label route message from a second network device, the private label route message specifying a private label as a destination, a route distinguisher of an egress network device for the private label, a context protocol next hop address that identifies a private Multiprotocol Label Switching (MPLS) forwarding layer, and a next hop for the private label, determining, by the first network device and based on the private label route message, a label stack having a plurality of labels to use for forwarding traffic to the next hop for the private label, and storing, in a context forwarding table associated with the private MPLS forwarding layer, a private label destination with the label stack as a next hop for reaching the private label.

    Fabric path context-based forwarding for virtual nodes
    13.
    发明授权
    Fabric path context-based forwarding for virtual nodes 有权

    公开(公告)号：US10382333B2

    公开(公告)日：2019-08-13

    申请号：US15610233

    申请日：2017-05-31

    Applicant: Juniper Networks, Inc.

    Inventor： Jeyananth Minto Jeganathan ,  Aman Kapoor ,  Raghavendra Mallya ,  Ashutosh K. Grewal ,  Kaliraj Vairavakkalai ,  Babu Singarayan

    IPC: H04L12/721 ,  H04L12/723 ,  H04L12/741 ,  H04L12/713 ,  H04L12/751 ,  H04L12/46 ,  H04L12/755

    Abstract: In some examples, a method includes selecting, by a first virtual routing node of a single-chassis network device having a plurality of forwarding components and a plurality of fabric links coupling respective pairs of the plurality of forwarding components at respective fabric interfaces of the plurality of forwarding components, a fabric interface of a forwarding component of the plurality of forwarding components that has an egress interface toward a network destination and that is associated with the first virtual routing node; in response to receiving a message specifying the fabric interface, storing, by the second virtual routing node to a context forwarding table of the second virtual node, the fabric interface as a next hop for the network destination; selecting, by the second virtual routing node and based on the context forwarding table and a context next hop in a first forwarding table pointing to the context forwarding table, the fabric interface for forwarding network packets destined for the network destination.

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