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    System and method of fast roaming in an enterprise fabric network
    22.
    发明授权
    System and method of fast roaming in an enterprise fabric network 有权

    公开(公告)号：US11582597B2

    公开(公告)日：2023-02-14

    申请号：US17170982

    申请日：2021-02-09

    Applicant: Cisco Technology, Inc.

    Inventor： Sanjay Hooda ,  Vrushali Ashtaputre ,  Sudhir Jain ,  Johnson Leong ,  Shree Murthy

    IPC: H04W8/26 ,  H04L45/021 ,  H04W8/08 ,  H04L45/00

    Abstract: A system and method for fast roaming in one or more enterprise fabric network. The fast roaming involves correlation operations performed in one or more databases managed by control plane of the fabric network to update routing locator entries associated with L2-VNID and L3-VNID in one or more databases when a client moves from behind a first switch to behind a second switch. In some embodiments, the control plane finds the L3-VNID from the L2-VNID. The L3-VNID is used to search for all IP addresses corresponding to a client-MAC. At least new routing locator value that is used in the routing locator entries is provided to the first switch, the second switch, and border nodes associated with the fabric network.

    Distributed internet access in an overlay fabric using combined local and remote extranet policies
    25.
    发明授权
    Distributed internet access in an overlay fabric using combined local and remote extranet policies 有权

    公开(公告)号：US10735217B2

    公开(公告)日：2020-08-04

    申请号：US16368006

    申请日：2019-03-28

    Applicant: Cisco Technology, Inc.

    Inventor： Vrushali Ashtaputre ,  Abiose Gbolahan Ibigbami ,  Johnson Leong ,  Marc Portoles Comeras

    IPC: H04L12/28 ,  H04L12/707 ,  H04L12/46 ,  H04L12/24

    Abstract: The present technology provides a system, method, and computer-readable medium directed to dynamic implementation and management of multi-provider internet access featuring multiple access points across a multi-site overlay network fabric. An aspect of the technology is directed to the implementation of a common fabric-wide Virtual Network (VN) with a unique Internet Instance Identifier (Internet IID) that is dedicated to internet access traffic. Default access routes from multiple service providers (SP) are leaked into the VN with the Internet IID at exit points of the fabric using local Extranet policies. Internet-bound traffic generated from any point within the overlay fabric network is then redirected into the Internet IID, using remote Extranet policies. Internet-bound traffic, once in the Internet IID, follows the SP default access route(s) towards the exit points where SP specific access policies may be applied to the traffic which is then forwarded to the corresponding SP network.

    DISTRIBUTED INTERNET ACCESS IN AN OVERLAY FABRIC USING COMBINED LOCAL AND REMOTE EXTRANET POLICIES
    26.
    发明申请
    DISTRIBUTED INTERNET ACCESS IN AN OVERLAY FABRIC USING COMBINED LOCAL AND REMOTE EXTRANET POLICIES 审中-公开

    公开(公告)号：US20200162282A1

    公开(公告)日：2020-05-21

    申请号：US16368006

    申请日：2019-03-28

    Applicant: Cisco Technology, Inc.

    Inventor： Vrushali Ashtaputre ,  Abiose Gbolahan Ibigbami ,  Johnson Leong ,  Marc Portoles Comeras

    IPC: H04L12/28 ,  H04L12/46 ,  H04L12/707

    Abstract: The present technology provides a system, method, and computer-readable medium directed to dynamic implementation and management of multi-provider internet access featuring multiple access points across a multi-site overlay network fabric. An aspect of the technology is directed to the implementation of a common fabric-wide Virtual Network (VN) with a unique Internet Instance Identifier (Internet IID) that is dedicated to internet access traffic. Default access routes from multiple service providers (SP) are leaked into the VN with the Internet IID at exit points of the fabric using local Extranet policies. Internet-bound traffic generated from any point within the overlay fabric network is then redirected into the Internet IID, using remote Extranet policies. Internet-bound traffic, once in the Internet IID, follows the SP default access route(s) towards the exit points where SP specific access policies may be applied to the traffic which is then forwarded to the corresponding SP network.

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