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    Dynamic orthogonal local DHCP IP pools for wireless access points
    1.
    发明授权
    Dynamic orthogonal local DHCP IP pools for wireless access points 有权

    公开(公告)号：US10574627B2

    公开(公告)日：2020-02-25

    申请号：US15914522

    申请日：2018-03-07

    Applicant: Cisco Technology, Inc.

    Inventor： Tak Ming Francis Pang ,  Bo Yang ,  Maruth N. Kamath ,  Xinggang Zhou

    IPC: H04L29/12 ,  H04W76/10 ,  H04W84/12 ,  H04W88/08

    Abstract: An access point (AP) operates in a network of APs, each configured with a distinct IP address with which to communicate with a wide area network (WAN), and each configured to connect wirelessly with wireless client devices seeking access to the WAN via the each AP. The AP derives, based on the distinct IP address, a standalone pool of IP addresses for assignment to wireless client devices, such that the IP addresses do not overlap with IP addresses of any other standalone pool of IP addresses derived by any other of the APs; The AP operates in a standalone mode to: receive from wireless client devices connecting with the AP respective requests for IP addresses for use by the wireless client devices; and responsive to each request, dynamically assign to the wireless client device that sent the request a respective IP address from the standalone pool of IP addresses.

    Random media access control address collision detection and avoidance for wireless network
    3.
    发明授权
    Random media access control address collision detection and avoidance for wireless network 有权

    公开(公告)号：US10159103B2

    公开(公告)日：2018-12-18

    申请号：US15805523

    申请日：2017-11-07

    Applicant: Cisco Technology, Inc.

    Inventor： Tak Ming Francis Pang

    IPC: G06F15/177 ,  H04W76/11 ,  H04W74/08 ,  H04L29/12 ,  H04W8/26 ,  H04W48/16 ,  H04L1/18

    Abstract: Presented herein are systems and methods to detect and avoid MAC-address collision of a dynamic MAC address (also referred to herein as a “dynamically assignable MAC address” or a “dynamically allocated MAC address”) that is temporarily assigned to a network device in a wireless network. The systems and methods ensure that the dynamic MAC address is unique (and compatible with existing IEEE-802.11) to the wireless network prior to the network device using the address as its network identifier to gain access to the wireless network. The systems and methods involve an initial set of announcements between the network device and the wireless network and, in some embodiments, again when network device roams to another wireless network. The exemplified systems and methods facilitate use of network addresses that are structured according to standard conventions and that are backward compatible with existing MAC-address randomization schemes.

    Optimizing a neighbor list
    7.
    发明授权
    Optimizing a neighbor list 有权

    公开(公告)号：US10237756B2

    公开(公告)日：2019-03-19

    申请号：US15003359

    申请日：2016-01-21

    Applicant: Cisco Technology, Inc.

    Inventor： Tak Ming Francis Pang ,  David S. Stephenson ,  Santosh G. Pandey ,  Vishal Satyendra Desai

    IPC: H04W4/00 ,  H04W24/02 ,  H04W36/00 ,  H04W36/16 ,  H04W72/10

    Abstract: In one embodiment, a neighbor access point list is obtained. Statistics are maintained for a current access point that a client is currently associated with, including previous access points previous clients have roamed from prior to associating with the current access point, and next access points the previous clients associated with. The neighbor access point list for the client is optimized, by determining one or more previous clients that associated with a same previous access point as the client and prioritizing access points in the optimized neighbor access point list, based on the next access points the one or more previous clients associated with. The optimized neighbor access point list is sent to the client.

    Techniques to create, update, disseminate, and use dynamic subset backhaul channel lists in a mesh network
    8.
    发明授权
    Techniques to create, update, disseminate, and use dynamic subset backhaul channel lists in a mesh network 有权
    在网状网络中创建，更新，传播和使用动态子集回程通道列表的技术

    公开(公告)号：US09521608B2

    公开(公告)日：2016-12-13

    申请号：US14322373

    申请日：2014-07-02

    Applicant: Cisco Technology, Inc.

    Inventor： M. A. Sheik Farid ,  Hrishikesh Vishwas Kulkarni ,  Tak Ming Francis Pang ,  Krishnakumar Ramachandran

    IPC: H04W48/16 ,  H04W76/02 ,  H04W8/00

    CPC classification number: H04W48/16 ,  H04W8/005 ,  H04W16/02 ,  H04W76/11 ,  H04W76/19

    Abstract: A mesh network includes a controller, root access points (APs), and mesh APs assigned to different groups of APs. The controller creates for each group a distinct subset channel list of backhaul channels used by root APs of the group that are connected to the controller. The controller updates, for each group, the subset channel list as root APs assigned to the group connect with and disconnect from the controller. The controller sends, for each group, the subset channel list to the mesh APs assigned to the group that are connected with the controller through respective root APs when the subset channel list is created and updated.

    Abstract translation: 网状网络包括控制器，根接入点（AP）和分配给不同AP组的网格AP。 控制器为每个组创建与连接到控制器的组的根AP使用的回程通道的不同子集通道列表。 控制器为每个组更新子组通道列表，作为分配给与控制器连接和断开连接的组的根AP。 当创建和更新子集通道列表时，控制器通过相应的根AP将每个组的子集通道列表发送给分配给与控制器连接的组的网格AP。

    Dynamic media access control address allocation and leasing for wireless network
    10.
    发明授权
    Dynamic media access control address allocation and leasing for wireless network 有权

    公开(公告)号：US10218671B2

    公开(公告)日：2019-02-26

    申请号：US15263870

    申请日：2016-09-13

    Applicant: Cisco Technology, Inc.

    Inventor： Tak Ming Francis Pang

    IPC: G06F15/177 ,  H04L29/12

    Abstract: Presented herein are systems and methods of dynamically allocating and leasing MAC addresses in a wireless network that ensures a unique MAC address is assigned to a computing device. The exemplified systems and methods ensure that the dynamically assigned MAC address is unique for a given network and that the MAC address is assigned to a give client wireless device prior to the client being granted access to the network and prior to a communication session being established.

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