Apparatus, system, and method for preventing improper installation of power supply modules on network devices
Granted: February 18, 2020
Patent Number:
10566801
The disclosed apparatus may include (1) a power distribution module that (A) distributes power to a network device that forwards traffic within a network and (B) includes a series of interlock blocks keyed to (I) enable power supply modules whose electrical ratings satisfy a certain threshold to be installed to the network device and (II) prevent other power supply modules whose electrical ratings do not satisfy the certain threshold from being installed to the network device and (2) at…
Transport batching technique for network communications
Granted: February 18, 2020
Patent Number:
10567284
A device may include one or more processors to receive, from at least one user device, multiple network packets. The device may identify, from the network packets, a set of individual network packets, the set including at least two of the received network packets that are destined for a particular destination device. The device may generate, based on the set of individual network packets, a batch packet, the batch packet including: the set of individual network packets, data identifying…
Egress node protection for broadcast, unknown unicast, or multicast traffic in EVPN topologies
Granted: February 18, 2020
Patent Number:
10567279
A first device may receive network traffic including a first label. The first label may be an inclusive multicast label associated with a second device. The second device may be a designated forwarder for an Ethernet segment. The first device may determine a second label based on receiving the network traffic including the first label. The second label may be used to route the network traffic to a customer edge device, via a third device, rather than the second device. The third device…
Network interface card switching for virtual networks
Granted: February 18, 2020
Patent Number:
10567275
In some examples, a computing device comprises a virtual network endpoint; a network interface card (NIC) comprising a first hardware component and a second hardware component, wherein the first hardware component and the second hardware component provide separate packet input/output access to a physical network interface of the NIC, wherein the NIC is configured to receive a packet inbound from the physical network interface; and a virtual router to receive the packet from the NIC and…
Method, system, and apparatus for proxying intra-subnet traffic across multiple interfaces within networks
Granted: February 18, 2020
Patent Number:
10567274
The disclosed computer-implemented method may include (1) creating, at a proxy node within an IP network, a proxy group that includes a plurality of network nodes within a subnet of the IP network that are represented by a pseudo MAC address, (2) receiving a neighbor solicitation from a network node included in the proxy group, (3) identifying, within the neighbor solicitation, a link-layer address of the network node that sent the neighbor solicitation, (4) modifying the neighbor…
Dynamic signaling of bypass tunnel based on bandwidth threshold at a point of local repair
Granted: February 18, 2020
Patent Number:
10567270
A device may receive information that identifies a bandwidth value of a label-switched path (LSP) that includes a protected link or a protected node. The device may determine a bypass LSP bandwidth threshold based on the bandwidth value. The device may determine a set of path bandwidth values associated with a set of paths. The device may compare the set of path bandwidth values and the bypass LSP bandwidth threshold. The device may select a path, of the set of paths, based on comparing…
Dynamic server device monitoring
Granted: February 18, 2020
Patent Number:
10567262
A device may receive configuration information that identifies a set of server devices. The device may send, to the set of server devices, a request communication associated with determining a status of the set of server devices after receiving the configuration information. The device may process a response communication from the set of server devices after sending the request communication to the set of server devices. The request communication and the response communication may be…
Topology information for networks
Granted: February 18, 2020
Patent Number:
10567230
A device may receive a first network topology message from a network device. The first network topology message may include first network topology information associated with the network device in a first set of fields of the first network topology message. The device may generate a second network topology message. The second network topology message may include second network topology information associated with the device in a first set of fields of the second network topology message.…
Optimistic concurrency control for managed network devices
Granted: February 18, 2020
Patent Number:
10567223
An example network device includes a memory storing a configuration database including current configuration data having a current revision value, and one or more processors implemented in digital logic circuitry and configured to receive configuration data for the network device, the configuration data including an expected current revision value, determine an actual current revision value of current configuration data for the network device, determine whether the expected current…
Bit index explicit replication (BIER) penultimate hop popping
Granted: February 18, 2020
Patent Number:
10567181
A network device may receive, from a first neighbor network device, information indicating that the network device is to remove a bit indexed explicit replication (BIER) header from a multicast packet prior to transmitting the multicast packet to the first neighbor network device. The network device may receive the multicast packet from a second neighbor network device, where the multicast packet includes the BIER header and is to be transmitted to the first neighbor network device, and…
Distributed virtual network controller
Granted: February 18, 2020
Patent Number:
10565001
In general, techniques are described for configuring and managing virtual networks. For example, a distributed virtual network controller is described that configures and manages an overlay network within a physical network formed by plurality of switches. A plurality of servers are interconnected by the switch fabric, each of the servers comprising an operating environment executing one or more virtual machines in communication via the overlay networks. The servers comprises a set of…
Display screen with graphical user interface
Granted: February 11, 2020
Patent Number:
D875108
Automatic configuration of a replacement network device in a high-availability cluster
Granted: February 11, 2020
Patent Number:
10560550
A first network device may establish connectivity with a second network device. The first network device may determine information that identifies a cluster identifier based on establishing connectivity with the second network device. The first network device may compare a first software version of the first network device and a second software version of the second network device. The first network device may selectively obtain and install a system image of the second network device…
Methods and apparatus for flow control associated with a switch fabric
Granted: February 11, 2020
Patent Number:
10560381
In some embodiments, an apparatus includes a switch fabric having at least a first switch stage and a second switch stage, an edge device operatively coupled to the switch fabric and a management module. The edge device is configured to send a first portion of a data stream to the switch fabric such that the first portion of the data stream is received at a queue of the second switch stage of the switch fabric via the first switch stage of the switch fabric. The management module is…
Determining and implementing egress peer engineering and/or ingress peer engineering for destinations in a network
Granted: February 11, 2020
Patent Number:
10560334
A device receives policy information associated with configuring a network, and receives network information associated with the network. The device determines, based on the network information, that the policy information is associated with implementation of egress peer engineering techniques for the network, and identifies, based on the network information, a first set of destinations of the network that satisfies a particular threshold bandwidth. The device assigns costs and…
Self-driven and adaptable multi-vBNG management orchestration
Granted: February 11, 2020
Patent Number:
10560331
A broadband network gateway (BNG) controller is described that includes a network subscriber database (NSDB) and one or more core applications. The NSDB is configured to store vBNG instance information for one or more subscriber devices. The vBNG instance information specifies vBNG instances operable by one or more edge routers. The vBNG instances are configured to receive requests to access service provider services from the one or more subscriber devices and to selectively authenticate…
Identifying a root cause of alerts within virtualized computing environment monitoring system
Granted: February 11, 2020
Patent Number:
10560309
This disclosure describes techniques for analyzing information generated as a result of monitoring resources within computing environments. In one example, this disclosure describes a method that includes observing a plurality of alerts generated in response to monitoring resources associated with a plurality of connected elements within a network; determining a plurality of occurrence counts; determining a plurality of concurrent occurrence counts, wherein each of the plurality of…
Minimizing polarization-dependent optical power for PM-M-QAM transmitters
Granted: February 11, 2020
Patent Number:
10560194
A system is configured to determine a first power level of a first signal output from a first modulator, and determine a second power level of a second signal output from a second modulator. The first signal may include a first optical signal associated with a particular polarization orientation, and the second signal may include a second optical signal associated with the particular polarization orientation. The system is configured to determine a relationship between the first power…
Intelligent device role discovery
Granted: February 11, 2020
Patent Number:
10558542
In one example, a network management system (NMS) and method models services in a network. The NMS identifies externally mapped attributes in a vendor neutral yang model of a network service, assigns an attribute type to one or more of the externally mapped attributes, wherein assigning includes determining, by a learning system, the attribute type of one or more of the externally mapped attributes based on an analysis of attribute types assigned to the externally mapped attributes of…
Using public key infrastructure for automatic device configuration
Granted: February 11, 2020
Patent Number:
10558469
A device may receive a digital voucher, a customer certificate, and configuration information for automatically configuring the device. The digital voucher may include a first customer identifier that identifies a customer associated with the device and a device identifier that identifies the device. The customer certificate may include a second customer identifier that identifies the customer and a customer public key associated with the customer. The configuration information may…
