Cisco Patent Grants

Device address rotation method to protect against unconsented tracking

Granted: April 1, 2025
Patent Number: 12267915
A network infrastructure component determines a risk measurement associated with a wireless client device's use of a device address, and provides an advisory with respect to an address rotation strategy of the wireless client device based on the risk measurement. In some embodiments, the risk measurement is based on one or more of an exposure, by the wireless client device, of information on the wireless network that identifies the wireless client device and/or a characterization of a…

Channel coordination of private wireless networks utilizing shared spectrum

Granted: April 1, 2025
Patent Number: 12267691
The present technology allows coordination of channels of private wireless networks utilizing shared licensed and unlicensed spectrum. Wireless network operators in an enterprise location register to participate in a consortium and register licensed, shared, and unlicensed spectrum resources to be shared with other members of the consortium. The wireless network operators request an allocation of spectrum resources from the consortium. The consortium generates a radio resource management…

Malicious black hole node detection and circumvention

Granted: April 1, 2025
Patent Number: 12267682
A method includes determining a number of drops of a plurality of messages sent to a first node of a plurality of nodes within a mesh network. Based at least in part on the number of drops of the plurality of messages exceeding a threshold number of drops for a time period, decrementing a first rating assigned to the first node to a second rating assigned to the first node. Based at least in part on the second rating being below a rating threshold, determining that the first node is a…

Specifying routes to enable Layer-2 mobility in hybrid-cloud environments

Granted: April 1, 2025
Patent Number: 12267240
Techniques for using more-specific routing to perform scalable Layer-2 (L2) stretching of subnets across hybrid-cloud environments. Routing tables in a public cloud may allow for routes that are more specific than the default local route, and the more-specific routes may be used to send all traffic to a dedicated, cloud router. The more-specific routes are set up for a VPC where a subnet resides such that the more specific-routes cover at least a portion of subnet range. The next hop for…

Group based classification and policy enforcement for external network traffic

Granted: April 1, 2025
Patent Number: 12267238
Techniques for group-based classification and policy enforcement at a network fabric edge for traffic that is being sent to external network destinations are disclosed herein. The techniques may include receiving, at a control plane of a network and from an edge node of the network, a request to provide mapping data associated with sending a packet to a destination. Based at least in part on an address prefix value associated with the destination, the control plane may determine that the…

Methods and apparatus for encoding local processing metadata in network headers

Granted: April 1, 2025
Patent Number: 12267233
Disclosed are systems, apparatuses, methods, and computer-readable media to encode network functions in a packet header. A method includes receiving a first packet from a source device that is to be delivered to a destination address through a network; determining a route to the destination address; identifying at least one network function for the first packet; encapsulating the first packet in a second packet, wherein a header of the second packet includes the route to the destination…

Three-dimensional visualization of Wi-Fi signal propagation through multiple floors

Granted: April 1, 2025
Patent Number: 12267120
The present technology is directed to visualizing a Wi-Fi access point (AP) signal propagation pattern through multiple floors. The present technology can execute a Wi-Fi signal propagation model corresponding to a first AP on a first floor of a building plan and a second AP on a second floor of the building plan. The Wi-Fi signal propagation model calculates a Wi-Fi signal propagation pattern for a plurality of APs including the first AP and the second AP. The present technology can…

Performing collaboration actions based on combinations of objects and contextual information

Granted: April 1, 2025
Patent Number: 12265948
In one example embodiment, a plurality of objects selected by a user on a user interface for a collaboration tool are identified. The plurality of objects include at least two different types of objects. One or more collaboration actions to perform are determined by a computing device based on the types and contextual information for the plurality of objects. The one or more collaboration actions are presented on the user interface. A presented collaboration action is initiated from the…

Providing a roaming policy federation in a third generation partnership project (3GPP) network environment

Granted: March 25, 2025
Patent Number: 12262446
Presented herein are techniques associated with replicating an OpenRoaming™ policy federation in a Third Generation Partnership Project (3GPP) network environment. For example, techniques herein provide a roaming policy federation architecture for a 3GPP network environment. In one example a method is provided that may include encoding at least one multi-bit roaming policy for an identity provider and a plurality of bit-wise combinatorial permutations of the at least one multi-bit…

Dynamic media access control addresses in a wireless network

Granted: March 25, 2025
Patent Number: 12262450
Embodiments identify a station that rotates an over the air station address. As address rotation was not originally designed into wireless networks, the rotation can introduce communication challenges for the station. The embodiments derive that traffic referencing two different over the air station addresses are associated with a single common station. This is accomplished by determining a similarity between properties of two sets of traffic. A first set of traffic references the first…

Key-based complex process monitoring

Granted: March 25, 2025
Patent Number: 12259875
In one embodiment, a device receives, via a user interface, definition of a first sequence of transactional milestones performed by users of an online application and identified using a first type of identifier. The device also receives, via the user interface, definition of a second sequence of transactional milestones performed by users of the online application and identified using a second type of identifier. The device further receives, via the user interface, definition of a key…

Service insertion in a computer network using dynamic service path selection

Granted: March 25, 2025
Patent Number: 12261919
Techniques for enabling service insertion using dynamic service path selection are described herein. In some aspects, the techniques described herein relate to avoiding a service route that passes through a service router when the second-leg path from the service router to a destination router is unreachable. In some cases, the techniques described herein relate to avoiding a route that includes a service router that does not have a path to a viable target in a core service region.

HTTP type connectivity detection using parallel probes for preferred protocol selection

Granted: March 25, 2025
Patent Number: 12261901
Techniques for determining a preferred HTTP protocol for communication between a client device and a server over a network are described. A first type of HTTP probe is transmitted over a network from a client device to a server. A second type of HTTP probe is transmitted over a network from the client device to the server. If either the first type of HTTP probe response or the second type of HTTP probe response, the type of the HTTP probe response received is the preferred communication…

Distance-based framing for an online conference session

Granted: March 25, 2025
Patent Number: 12261895
Distance-based framing includes obtaining at least a video stream during an online conference session. The video stream, an audio stream received with the video stream, or both the video stream and the audio stream are analyzed and a framing that either focuses on a speaker in the video stream or provides an overview of participants in the video stream, the framing being is composed based on the analyzing. A potential error in the framing is detected based on further analysis of the…

Nonce-based enterprise security policy enforcement

Granted: March 25, 2025
Patent Number: 12261847
This disclosure describes techniques including, by a domain name service (DNS), receiving a name resolution request from a client computing device and, by the DNS, providing a nonce to the client computing device, wherein a service is configured to authorize a connection request from the client computing device based at least in part on processing the nonce. This disclosure further describes techniques include a method of validating a connection request from a client computing device,…

Systems and methods for redirecting service and API calls for containerized applications

Granted: March 25, 2025
Patent Number: 12261826
A system of one embodiment allows for redirecting service and API calls for containerized applications in a computer network. The system includes a memory and a processor. The system processes a plurality of application workflows of a containerized application workload. The system then identifies at least one application workflow of the plurality of application workflows and at least one workflow-specific routing rule associated with the at least one application workflow. The system then…

Systems and methods for automatically adjusting a time-based anti-replay window size

Granted: March 25, 2025
Patent Number: 12261780
In one embodiment, a method includes receiving, by a network node, a packet associated with a session. The method also includes performing, by the network node, a sequence-based anti-replay check and determining, by the network node, that the sequence-based anti-replay check rejected the packet. The method further includes performing, by the network node, a time-based anti-replay check, performing, by the network node, a selective anti-replay check, and determining, by the network node,…

Incremental network intent provisioning

Granted: March 25, 2025
Patent Number: 12261743
A method of provisioning a network may include, with a network controller, identifying a first network intent of a computing network based at least in part on an execution of a user interface (UI) or API layer at a client device, and identifying a modification of at least one object within the first network intent within the UI or API layer at the client device as the first network intent is being modified. The modification defines a delta between the first network intent and a second…

Delay measurement for hybrid packet and optical transport networks

Granted: March 25, 2025
Patent Number: 12261641
A method is performed by a gateway node that is at a boundary of the first network domain and the second network domain. The method includes receiving an end-to-end delay measurement request sent by the first node to measure end-to-end delay between the first node and the second node. The end-to-end delay measurement request is configured to initiate a first delay measurement process configured for use in the first network domain. The gateway node sends to the second node a delay…

Method and system for integration and control of power for consumer power circuits

Granted: March 25, 2025
Patent Number: 12261446
In one embodiment, a power system includes a power panel operable to distribute alternating current (AC) power and pulse power to a plurality of power outlets and having an AC circuit breaker and a pulse power circuit breaker, the pulse power comprising a sequence of pulses alternating between a low direct current (DC) voltage state and a high DC voltage state, a power inverter and converter coupled to the power panel through an AC power connection and a pulse power connection and…