Extreme Networks Patent Grants

Systems and methods for powering a power-over-ethernet powered device using multiple power-over-ethernet sourcing devices

Granted: August 10, 2021
Patent Number: 11086373
Systems, methods, and apparatuses are provided herein for implementing a PoE system comprising a plurality of power sourcing equipment that power a single powered device. Control circuitry may determine the power necessary to operate a powered device in a first power mode, and may cause the powered device to draw, from a first power sourcing device, to a first port of the powered device, a first wattage. The powered device may draw, from a second power sourcing device, to a second port…

Hybrid low power network device

Granted: June 29, 2021
Patent Number: 11051245
A hybrid low power network device comprising: a wave 1 radio configured to provide client devices wireless access to a network using SU-MIMO, a wave 2 radio configured to provide the client devices wireless access to the network using MU-MIMO, a radio management system configured to assign client devices to either the wave 1 radio or the wave 2 radio for communicating over wireless communication channels in accessing the network, first and second Ethernet ports, wherein at least one of…

Virtualized host ID key sharing

Granted: June 15, 2021
Patent Number: 11038860
In virtualized environments a method of determining authorization to a resource cannot use a hardware specific identifier, such as a MAC address. As a result upgrading a virtual host may cause licenses associated with that host to be invalid, even though the upgraded virtual host should be authorized. Authentication methods and systems are disclosed such that a key may be shared with a second host along with a license file and, provided at least the second host has a key associated with…

Use of DHCP to automatically assign nicknames in a SPBM network

Granted: May 25, 2021
Patent Number: 11019028
Systems, methods, and apparatuses are disclosed herein for automatically assigning nicknames in a SPBM network. In some aspects, a first switch of a plurality of switches in the SPBM network is detected as being designated as responsible for assigning nicknames to the plurality of switches. Control circuitry responsively instantiates, at the nick name server, a DHCP service. The control circuitry detects, at the nickname server, a respective other switch of the plurality of switches in…

Plug-in network device with adjustable power tongs for plug attachment

Granted: May 25, 2021
Patent Number: 11018467
A device with a plug attachment; a power plug extending from the plug attachment; adjustable power tongs; a fastening mechanism configured to fasten the power plug to the adjustable power tongs; a plug attachment cover operationally connected to the adjustable power tongs; electronic components coupled to the power plug through which power is provided from a power source to the electronic components, the electronic components causing the plug-in network device to function as a wireless…

Methods and systems for managing connector arrays

Granted: May 18, 2021
Patent Number: 11012765
A system is configured to manage connectors configured to engage with corresponding connector ports. The system maintains the relative position of the connectors. For example, the connectors can be plugged into, or unplugged from, a network component, while retaining a desired arrangement. In some embodiments, the system includes one or more connector blocks, one or more cable blocks, one or more crossbars, one or more latching mechanisms, or a combination thereof. The connector blocks…

Forwarding table management

Granted: May 18, 2021
Patent Number: 11012358
Disclosed herein are system, method, and computer program product embodiments for representing a forwarding information base (FIB) in a database. An embodiment operates by organizing forwarding entries of the FIB in a trie data structure. The embodiment determines that a first routing prefix of a first forwarding entry in the trie data structure is a less specific routing prefix than a second routing prefix in a second forwarding entry in the trie data structure based on the first…

Seamless wireless device onboarding

Granted: May 11, 2021
Patent Number: 11005836
Techniques for seamlessly onboarding a wireless device. A system utilizing such techniques can include a key-based authentication system and a unique pre-shared key seamless onboarding system. A method utilizing such techniques can include key-based authentication management and unique pre-shared key seamless onboarding management.

Offline, intelligent load balancing of SCTP traffic

Granted: May 4, 2021
Patent Number: 10999200
Techniques for enabling offline, intelligent load balancing of Stream Control Transmission Protocol (SCTP) traffic are provided. According to one embodiment, a load balancer can receive one or more SCTP packets that have been replicated from a network being monitored. The load balancer can further recover an SCTP message from the one or more SCTP packets and can map the SCTP message to an egress port based on one or more parameters decoded from the SCTP message and one or more rules. The…

Methods and systems for mitigating the impact of beamforming on the accuracy of Wi-Fi based location tracking of client devices

Granted: April 20, 2021
Patent Number: 10986463
Methods and systems for mitigating the impact of beamforming on the accuracy of Wi-Fi based location tracking of client devices. An embodiment takes the form of a process that includes (a) obtaining a plurality of received signal strength indicator (RSSI) values respectively associated with frames in a plurality of frames that were (i) received by various access points in a plurality of access points and (ii) transmitted by a client device that is connected to a first access point in the…

Distributed channel selection for wireless networks

Granted: March 30, 2021
Patent Number: 10966215
Wireless networking devices scan for available channels and gather data about the channels and the RF environment. Using this information, each wireless networking device determines a cost value for each available channel and a quality value for its overall RF neighborhood. Each wireless networking device select the channel with the best cost value as a candidate channel for use. The wireless networking devices may submit channel requests to the arbiter for approval. If two or more…

Correlating and load balancing IMS traffic in a visibility network

Granted: March 30, 2021
Patent Number: 10965738
Techniques for correlating and load balancing IMS traffic in a visibility network are provided. According to one set of embodiments, a packet broker of the visibility network can receive IMS traffic replicated from an IMS core network and identify control/data packets in the IMS traffic that are part of the same IMS session based on FROM and TO user identities included in the packets. The packet broker can then generate a unique session identifier for the IMS session and add the…

Exclusive preshared key authentication

Granted: March 9, 2021
Patent Number: 10945127
Preshared keys are assigned to client devices, users, or user groups. The set of valid preshared keys or keys derived therefrom is distributed to network devices such as wireless access points. A client device attempts to establish a secure network connection with a network device using its assigned preshared key. A network device identifies the client device's preshared key by selecting a candidate key from its set of valid preshared keys. The network device determines a validation…

Selective policy network device operation

Granted: March 9, 2021
Patent Number: 10944849
Techniques for synchronizing a network device to selectively operate according to a selectable operation policy. A system utilizing such techniques can a self-configuring network device operation coordination system and a self-configuring network device operation management system. A method utilizing such techniques can include synchronizing a network device to selectively operate according to a first operation policy and a second operation policy in providing network service access.

Split authentication network systems and methods

Granted: February 16, 2021
Patent Number: 10924465
Disclosed is a system comprising: an authentication datastore; a device presence engine; a traffic monitor engine; an authentication presence monitor engine; an authentication server selection engine; and a traffic routing engine. In operation: the device presence engine is configured to detect presence of a user device on a trusted network; the traffic monitor engine is configured to monitor, in response to the detection, traffic on the trusted network from the device; the…

Architecture for a network visibility system

Granted: February 2, 2021
Patent Number: 10911353
Aspects of the present disclosure provide a suitable architecture for a router controller which configures forwarding rules in a packet router of a network visibility system. In an embodiment, the router controller contains multiple controller blocks, with each controller block to examine a corresponding set of packets and to generate a respective set of forwarding rules for configuring the packet router. The router controller may also contain a switch to receive multiple packets and to…

Deployment of proximity beacon drives

Granted: January 12, 2021
Patent Number: 10893403
A technique for deploying proximity beacons involves coupling proximity beacon transmitters and/or hubs to an enterprise network device. The coupling can be by way of physically connecting communication interfaces of the network device and the proximity beacon transmitter or hub. In some implementations, the communication interface can be implemented as a USB interface. In some implementations, the communication interface can be embedded within the network device, such that the…

Near-uniform load balancing in a visibility network via usage prediction

Granted: January 5, 2021
Patent Number: 10887786
Techniques for performing near-uniform load balancing in a visibility network based on usage prediction are provided. According to one embodiment, a packet broker of the visibility network can receive a control packet replicated from a core network, where the control packet includes a user or device identifier and a request to create a user session for a user identified by the user/device identifier. The packet broker can further determine, based on the user/device identifier and one or…

System, method and apparatus for traffic mirror setup, service and security in communication networks

Granted: January 5, 2021
Patent Number: 10887212
The present invention provides method and systems for dynamically mirroring network traffic. The mirroring of network traffic may comprise data that may be considered of particular interest. The network traffic may be mirrored by a mirror service portal from a mirror sender, referred to as a mirror source, to a mirror receiver, referred to as a mirror destination, locally or remotely over various network segments, such as private and public networks and the Internet. The network traffic…

Predictive and nomadic roaming of wireless clients across different network subnets

Granted: December 29, 2020
Patent Number: 10880730
Wireless access points detect neighboring wireless access points in different subnets. Upon connecting with a wireless client, a wireless access point determines predictive roaming information for the wireless client. Predictive roaming information identifies the wireless client; its home network subnet; and includes connection information associated with the wireless client. The wireless access point forwards the predictive roaming information associated with a wireless client to…