公开(公告)号：US20160007273A1

公开(公告)日：2016-01-07

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

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。

公开(公告)号：US09210623B2

公开(公告)日：2015-12-08

申请号：US13836849

申请日：2013-03-15

Applicant: Cisco Technology, Inc.

Inventor： Tak Ming Francis Pang ,  Hari Rangarajan ,  Seema Nayak

IPC: H04W4/00 ,  H04W36/00

CPC classification number: H04W36/0033

Abstract: In an example embodiment, an access point or wireless local area network controller programs an opaque cookie into a wireless client. The cookie carries association detail and current traffic information of the client. When the client roams to a new access point, the client presents the cookie to the new access point.

Abstract translation: 在示例实施例中，接入点或无线局域网控制器将不透明cookie编程到无线客户端中。 该cookie携带客户端的关联详细信息和当前交通信息。 当客户端漫游到新的接入点时，客户端将cookie呈现给新的接入点。

公开(公告)号：US20190281011A1

公开(公告)日：2019-09-12

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

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.

公开(公告)号：US20180077742A1

公开(公告)日：2018-03-15

申请号：US15805523

申请日：2017-11-07

Applicant: Cisco Technology, Inc.

Inventor： Tak Ming Francis Pang

IPC: H04W76/02 ,  H04W74/08 ,  H04W48/16 ,  H04W8/26 ,  H04L29/12

CPC classification number: H04W76/11 ,  H04L1/18 ,  H04L61/2038 ,  H04L61/2046 ,  H04L61/6022 ,  H04W8/26 ,  H04W48/16 ,  H04W74/085

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.

公开(公告)号：US20180077111A1

公开(公告)日：2018-03-15

申请号：US15263870

申请日：2016-09-13

Applicant: Cisco Technology, Inc.

Inventor： Tak Ming Francis Pang

IPC: H04L29/12

CPC classification number: H04L61/2007 ,  H04L61/2038 ,  H04L61/2061 ,  H04L61/6022

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.

公开(公告)号：US09253693B2

公开(公告)日：2016-02-02

申请号：US13772896

申请日：2013-02-21

Applicant: Cisco Technology, Inc.

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

IPC: H04W36/00

CPC classification number: H04W24/02 ,  H04W36/0083 ,  H04W36/165 ,  H04W72/10

Abstract: In an example embodiment, a neighbor radio/access point (AP) list is obtained. The neighbor AP list is optimized for a client that is associated with a current access point. The list may be optimized based on any one or combination of techniques, including but not limited to roaming patterns of previous clients that were associated with the current access point, radio frequency metrics, bandwidth requirements for the client, and/or any other suitable criteria. In particular embodiments, requests from the client to associate with an access point that is not on the optimized neighbor AP list may be denied.

Abstract translation: 在示例实施例中，获得相邻无线电/接入点（AP）列表。 邻居AP列表针对与当前接入点相关联的客户端进行了优化。 可以基于任何一种或多种技术组合来优化列表，包括但不限于与当前接入点相关联的先前客户端的漫游模式，射频度量，客户端的带宽要求和/或任何其它合适的准则 。 在特定实施例中，可以拒绝来自客户端的与不在优化的邻居AP列表上的接入点关联的请求。