Redundant ethernet automatic protection switching access to virtual private LAN services
Granted: November 5, 2019
Patent Number:
10469366
Embodiments disclosed herein provide redundant connectivity between an Ethernet Automatic Protection Switching (EAPS) access network and a Virtual Private LAN Service (VPLS) network. A first VPLS node is provided to function as an EAPS controller node. A second VPLS node is provided to function as an EAPS partner node. The first and second VPLS nodes are linked by a pseudowire and an EAPS shared-link. Additional EAPS nodes are also provided. The additional EAPS nodes are linked to each…
Auto-attach signaling used as wireless local area network (WLAN) selection criterion
Granted: October 29, 2019
Patent Number:
10462099
A method for implementing auto attach for a shortest path bridging (SPB) network comprises determining, on an access point, that an auto attach device communicating in a SPB network is enabled for auto attach, and an advertisement is transmitted to a mobile station. The access point acts a proxy between the mobile station and the auto-attach device by communicably coupling the auto attach device and the mobile station via the access point. A virtual local area network (VLAN)…
Synchronizing peer nodes of a multi-chassis switching cluster
Granted: October 15, 2019
Patent Number:
10447778
Implementations generally relate to synchronizing peer nodes in networks. In one embodiment, a method includes generating a data sequence number. The method also includes associating the data sequence number with a data item. The method also includes sending the data item and the data sequence number to each peer node of a plurality of peer nodes. The method also includes determining if an acknowledgment has been received from each peer node, wherein each acknowledgment indicates the…
Securing mDNS in enterprise networks
Granted: October 1, 2019
Patent Number:
10432636
Methods, systems and computer readable media for securing mDNS in enterprise networks are described. In some implementations, the method can include authorizing one or more service advertisements and validating one or more service advertisements. The method can also include adding one or more information details to a record associated with an advertised service.
Systems and methods for bootstrapping multicast state without using a nick-name
Granted: September 3, 2019
Patent Number:
10404489
Systems and methods are presented herewith for automatically assigning a Multicast Backbone Media Access Control (“BMAC”) address to a switch (or a similar network device) newly-added to a network. Media Access Control (“MAC”) addresses (unicast addresses) that are assigned by default to the switch may be used in a process to generate a multicast BMAC address and assign the multicast BMAC address to the switch, thereby, automatically enabling communications with other network…
Methods and systems for mitigating the impact of beamforming on the accuracy of Wi-Fi based location tracking of client devices
Granted: August 20, 2019
Patent Number:
10390174
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…
Access point cloud controller auto-discovery
Granted: August 6, 2019
Patent Number:
10374814
Access point cloud controller auto-discovery is provided. An access point, in communication with other access points, receives data indicative of whether each of other access points are managed using a cloud controller or a local controller. When the data is indicative that at least one of the other access points is managed using the cloud controller, the access point is configured to be cloud-controller-managed. When the data is indicative that none of the other access points is managed…
Network management interface for a network element with network-wide information
Granted: June 4, 2019
Patent Number:
10313254
Methods and apparatuses enable a network of traffic control devices to be viewed as a network of services. A web client sends a query compatible with an open API to a traffic control device. The traffic control device responds to the request by providing the requested service, and indicating an additional, related service that is available externally to the responding traffic control device. Thus, the traffic control device provides network information to the web client, which is…
Elastic wireless control plane
Granted: May 21, 2019
Patent Number:
10299202
One or more implementations can include methods, systems and computer readable media for elastic wireless control planes. In some implementations, the method can include evaluating one or more elastic wireless control plane mode factors, and partitioning each of a plurality of access points into one of an active mode group and a sleep mode group based on the evaluating. The method can also include determining a number of wireless control plane instances needed based on the partitioning.…
Route lookup resolution
Granted: April 30, 2019
Patent Number:
10277421
Methods and systems for routing connections between federated enterprises are provided. More particularly, user location information is stored as part of a first directory accessible to a federation broker. Location information obtained in association with a requested connection is used by the federation broker to access a second directory containing the locations of points of presence within the enterprise that includes the target communication device.
Software-based packet broker
Granted: March 26, 2019
Patent Number:
10243813
Techniques for implementing a software-based packet broker in a visibility network are provided. According to one embodiment, the software-based packet broker can comprise a network device and a cluster of one or more processing nodes. The network device can receive a control or data packet replicated from a core network and forward the control or data packet to the cluster of one or more processing nodes. At least one processing node in the cluster can then execute, in software, one or…
Device and related method for dynamic traffic mirroring
Granted: February 19, 2019
Patent Number:
10212224
A function is provided in a network system for the dynamic mirroring of network traffic for a variety of purposes including the identification of characteristics of the traffic. Multiple criteria are established for when, what and where to mirror the traffic. The criteria include what frames of traffic to mirror, what portions of the selected frames to mirror, one or more portals through which to mirror the selected frames, a destination for the mirroring and the establishment of a…
System and related method for management of devices of a network system via social media interfaces
Granted: January 29, 2019
Patent Number:
10193848
A system and related method for the exchange of information, data and instructions between one or more network administrators and one or more network infrastructure devices via one or more media exchanges. Devices are managed using a social media agent including a session agent that translates media messages into network device content and vice versa while maintaining context. Particular media interfaces may be selected for messaging dependent upon the particular message to be exchanged.…
Enabling configuration in networks
Granted: January 29, 2019
Patent Number:
10193748
Embodiments generally relate to enabling configuration in networks. In one embodiment, a method includes receiving a message from an edge configuration device, wherein the message contains shortest path bridging (SPB) configuration information. The method also includes performing an intermediate system-to-intermediate system (IS-IS) configuration in response to receiving the message.
Apparatus and method for multicast data packet forwarding
Granted: January 22, 2019
Patent Number:
10187293
A switching device supports a mixed mode of operation using both layer 2 and layer 3 multicast forwarding tables for multicast forwarding of packets. In the mixed mode of operation the switching device programs multicast forwarding entries in a corresponding layer 2 or layer 3 table depending on a type of protocol to be used for multicast forwarding. The switching device programs multicast forwarding entries in the layer 3 table for multicast packets forwarded using layer 3 routing…
Authentication of client devices in networks
Granted: November 27, 2018
Patent Number:
10142342
Implementations relate to authentication of end devices in networks. In some implementations, a method includes receiving identity information at an edge configuration device from an end device via a connection, where the identity information identifies the end device or one or more users associated with the end device. A request is sent from the edge configuration device to an access control server connected to the network in response to receiving the identity information, where the…
Configuration of rules in a network visibility system
Granted: November 13, 2018
Patent Number:
10129088
Aspects of the present disclosure enable a router controller to maintain a default rules table indicating allocation of IP addresses (of GTP packets) to respective output ports. In an embodiment, the router controller receives information indicating the respective tunnel endpoint IP addresses of a control session and a data session of a user. The router controller is configured to determine whether such IP addresses of the control session and the data session(s) are allocated to the same…
Automatic configuration of endpoint communication devices to set up a VOIP network
Granted: October 16, 2018
Patent Number:
10104134
Implementations relate to automatic configuration of endpoint communication devices to set up a communication network such as a VOIP network. In some implementations, a method includes a server receiving an extension request for device extension from an endpoint communications device connected to a communication network, mapping an identifier for the endpoint communications device to a device extension, and transmitting the device extension to the endpoint communications device.
Automated mirroring and remote switch port analyzer (RSPAN)/encapsulated remote switch port analyzer (ERSPAN) functions using fabric attach (FA) signaling
Granted: October 9, 2018
Patent Number:
10097633
A method and apparatus for automated mirroring is presented. A network device running as a Fabric Attach (FA) server configured to mirror traffic to a Remote Switch Port Analyzer (RSPAN) Virtual Local Area Network (VLAN), issues an FA Type Length Value (TLV) on its uplink to the FA server. The TLV includes a request to associate said RSPAN VLAN with a Service Identifier (I-SID) used to carry mirror traffic in a network. The network device sends the mirrored traffic on the RSPAN VLAN on…
Traffic deduplication in a visibility network
Granted: October 2, 2018
Patent Number:
10091075
Techniques for implementing traffic deduplication in a visibility network are provided. According to one embodiment, a packet broker of the visibility network can receive a control or data packet replicated from a core network. The packet broker can then apply a first stage deduplication process in which the packet broker attempts to deduplicate the control or data packet based on one or more interfaces of the core network from which the control or data packet originated, and apply a…
