294 results about "Virtual LAN" patented technology

The invention provides a fault rapid positioning method and device in an MGX system, and belongs to the field of server system management and fault diagnosis. The method comprises the following steps: determining an idle universal serial bus interface on a mainboard, and selecting a target USB interface and a fixed IP network segment configuration corresponding to the target USB interface from the idle USB interface; the BMC establishes a physical connection with a device where the HMC is located through the target USB interface, and constructs a virtual local area network channel; in the virtual local area network channel, performing out-of-band communication between the BMC and the HMC; the BMC obtains list information of each component in the MGX system from the HMC, and classifies the list information according to component types; the HMC pre-collects and stores the state information of each category according to the classification result; and the BMC periodically reads the state information based on the Redfish protocol, and identifies the fault in the MGX system according to the state information. According to the method and the device provided by the invention, the fault can be quickly and accurately positioned.

The invention relates to the technical field of virtual local area networks, in particular to a communication system for dividing a virtual local area network (VLAN) into network cards based on a high-speed signal connection switch. The system comprises a network state monitoring module, a flow prediction module, a resource allocation decision module, a flow control execution module, a behavior pattern analysis module, a VLAN configuration adjustment module, a resource allocation optimization module and a network configuration adaptive adjustment module. According to the method, the software-defined network technology and the time sequence analysis are combined, the flow prediction is carried out by using the anomaly detection, the long-short-term memory network and the convolutional neural network, the bandwidth, the priority and the routing are adjusted through the optimization theory and reinforcement learning, the network flexibility is enhanced, and the strategy deployment efficiency is improved through the software-defined network technology; the recurrent neural network and the long short-term memory network deepen behavior recognition, the VLAN configuration is optimized by using the minimum cut maximum flow algorithm, the resource utilization rate is improved, the network adaptive adjustment adopts the genetic algorithm and simulated annealing, the routing is optimized, the QoS strategy is automatically adapted, and the adaptive capability is enhanced.

A vehicle communication system comprises: Ethernet gateways, wherein each of the Ethernet gateways (i) is designated to serve as the Ethernet gateway in addition to performing other automotive functions in a vehicle: (ii) is coupled to multiple buses for respective subsystems having electronic control units (ECUs) communicating using respective automotive bus protocols; and (iii) is configured to encapsulate within Ethernet packets received communications of the respective automotive bus protocols: Automotive Ethernet cables connecting the Ethernet gateways in a ring topology, each of the Ethernet gateways connected to two others of the Ethernet gateways that are adjacent to the Ethernet gateway; and a communication matrix in each of the Ethernet gateways, wherein each of the ECUs is specified as belonging to at least one of multiple virtual local area networks (VLANs), wherein a VLAN tag is included in each of the Ethernet packets.

The invention discloses a network configuration management method and device, a program product and a medium, and relates to the technical field of computers. The method is applied to a data center operation and maintenance management platform, and comprises the following steps: when it is monitored that network configuration needs to be performed on a data center in a current service scene, obtaining physical link interconnection information between network devices in the data center through a preset hardware management protocol; before the service is issued, grouping servers in the network equipment, and issuing configuration to a target port of a switch accessed into the network equipment based on the physical link interconnection information to obtain a configured port; and dividing the servers into different virtual local area networks according to the groups to which the servers belong and based on the configured ports so as to construct a logic network isolation domain, and performing corresponding service operation on each group based on the logic network isolation domain after the service is issued. Through the technical scheme of the invention, the network configuration change can be realized, and the impact on the network flow of the data center is avoided.

The invention provides a communication method, device and system and electronic equipment, and relates to the technical field of network communication. The communication method comprises the following steps: executing an intelligent network card access network judgment operation to obtain a judgment result; when it is detected that the judgment result is access, an access request is sent to the switch, so that the switch broadcasts the access request to the intelligent network card located in the virtual local area network to which the static address of the target server substrate management controller belongs, and then the target intelligent network card responds to the access request and sends the access request to the switch. And performing network communication with the target server baseboard management controller through the static address of the target intelligent network card. The switch broadcasts the access request to the intelligent network card in the virtual local area network to which the static address of the substrate management controller of the target server belongs, which is equivalent to network isolation, so that network conflicts can be effectively avoided.

Disclosed are a network card communication method and apparatus for an AI training platform, a device, and a medium. The method includes: building a switch network topology on the basis of a spine-leaf network, and configuring a preset number of virtual local area networks for each leaf switch in the switch network topology; virtualizing a physical network card to obtain virtual network cards, allocating the virtual network cards to corresponding job-containers according to a preset allocation rule, and allocating, to each virtual network card in the job-containers, different sub-networks corresponding to the virtual local area networks; and adding a corresponding sub-network communication policy routing rule to a pod where each job-container is located, whereby a virtual network card in the job-container sends training data to the remaining virtual network cards on a basis of the sub-network communication policy routing rule.

The invention relates to a virtual local area network configuration method and device based on an Ethernet gateway controller, equipment and a medium. The method comprises the following steps: acquiring vehicle multi-dimensional state data and calculating a network reconstruction demand degree through an Ethernet gateway controller, and generating a reconstruction trigger signal when the demand degree exceeds a threshold value; responding to the signal, dynamically selecting an optimal VLAN configuration template from a preset library by adopting a reinforcement learning strategy, and generating a configuration scheme with space-time constraint in combination with network topology; the risk level is analyzed and evaluated based on the scheme and the entropy value of the network topology, a configuration instruction sequence for risk optimization is generated, and the configuration instruction sequence is reliably issued to target equipment through a security protocol; a sensing-decision-execution-verification closed-loop control system is formed by verifying the configuration effect through the nodes and triggering a rollback mechanism when the configuration is abnormal, accurate triggering, intelligent decision, safe execution and reliable recovery of configuration of the vehicle-mounted network in a complex dynamic environment are achieved, and the network resource utilization rate, the safe response speed and the system reliability are remarkably improved.

A switch in a first network is provided. During operation, the switch can learn a media access control (MAC) address of a packet from a second network via a first port. The MAC address can be learned in association with an aggregate virtual local area network (VLAN) configured on the first network for traffic from the second network. The switch can inspect the packet to determine an external VLAN configured on the second network. The switch can send, via the first port a packet on the external VLAN. The source and detector addresses can be a local address. The destination address can be a multi-destination address. The switch can identify the local address as the detector address in a packet received from a second port coupling the second network, identify a loop in the second network in association with the external VLAN, and disable transmission via the second port.

The invention relates to a block chain-based power Internet of Things terminal security access method and system. The method comprises the following steps of S1, dividing a virtual local area network; s2, deploying an SDN controller to manage and control network traffic; s3, performing decentralized identity recognition by using a block chain, and executing an automatic identity authentication process by using a smart contract; s4, carrying out preliminary identity verification based on the certificate, and carrying out secondary authentication in combination with the biological characteristics and the position information of the Internet of Things equipment; s5, performing uplink according to the critical degree, generating a unique fingerprint of the data by using a hash function, and storing the unique fingerprint in a block chain to ensure data integrity and prevent tampering; and S6, applying a strong encryption algorithm in a transmission layer and a data storage process to ensure data security and realize a homomorphic encryption technology, so that data operation is performed in an encryption state, and privacy is protected. According to the invention, the efficiency and security of terminal access are improved, and comprehensive protection and flexible management of the network and data are realized through the block chain and SDN technology.

The invention relates to the technical field of computer data processing, in particular to a self-discovery communication method, system and device between network participant containers based on DDS communication middleware and a readable storage medium, network participant application programs are independently packaged in the containers based on the DDS communication middleware, and a virtual large two-layer network is created by using a Wave Net, so that the network participant application programs are automatically found in the containers. The virtual large two-layer network adopts a VXLAN tunnel to construct a network bottom layer, so that containers deployed on different hosts communicate in the same virtual local area network; the publisher container and the subscriber container show existence of themselves through multicast communication broadcast discovery information, and the publisher container and the subscriber container obtain IP and port information of the opposite side and carry out point-to-point unicast communication when themes are matched. According to the invention, while network isolation is ensured, the physical network boundary of the DDS container is greatly expanded, the network interconnection capability of the container in the system is improved, a high-availability and high-performance containerized distributed real-time system can be constructed, and multi-host and multi-node communication application requirements can be met.

The invention discloses a vehicle-mounted communication network diagnosis processing method and related equipment, and relates to the technical field of vehicle testing, and the method comprises the steps: obtaining a master-slave mode configuration signal of an external switch; when the master-slave mode configuration signal is in a whole vehicle communication mode, transmitting a vehicle-mounted communication network diagnosis message of a diagnosis computer to a vehicle-mounted communication system of the tested vehicle through a direct-through forwarding mode by an external switch; and when the master-slave mode configuration signal is a one-piece communication mode, virtual local area network identifier injection processing is performed on the vehicle-mounted communication network diagnosis message through the external switch, and after a target message is obtained, the target message is forwarded to a target electronic control unit of the tested vehicle. Through an automatic identification and judgment mechanism of the external switch based on a master-slave mode, automatic processing of virtual local area network identifier configuration is realized, a whole vehicle test scene and a single-piece test scene are considered, and compatibility and operation convenience of vehicle-mounted communication diagnosis are effectively improved.

Aspects of the subject disclosure may include, for example, obtaining a reference data set comprising a plurality of reference data records, wherein the reference data set is associated with a cloud infrastructure, and wherein each of the reference data records comprises a reference network name associated with one of a plurality of reference networks that is configured within the cloud infrastructure and a corresponding reference Virtual Local Area Network (VLAN) identifier for the one of the plurality of reference networks that is configured within the cloud infrastructure; obtaining an input data set comprising a plurality of input data records, wherein the input data set is associated with the cloud infrastructure, and wherein each of the input data records comprises a network name associated with one of a plurality of networks that is being considered for configuration within the cloud infrastructure and a corresponding VLAN identifier for the one of the plurality of networks that is being considered for configuration within the cloud infrastructure; analyzing the reference data records and the input data records in order to identify a set of one or more errors; and tagging one or more records in the input data set with each corresponding occurrence of each error. Other embodiments are disclosed.

Methods, systems and computer readable media for rogue device detection are described. The method may include automatically generating one or more dummy network identifiers associated with a wireless network, advertising the one or more dummy network identifiers, and identifying a device as a suspect device based on receiving a connection attempt to at least one of the one or more dummy network identifiers by the device. The method can also include allocating a virtual local area network within the wireless network to process traffic associated with the at least one of the one or more dummy network identifiers, and monitoring network traffic of the suspect device on the virtual local area network. The method can further include, if the monitored network traffic meets an abnormality threshold, determining that the suspect device is a rogue device, and performing an action to protect the wireless network from the rogue device.

The invention relates to a flow data forwarding configuration method and device, an OLT, a computer readable storage medium and a computer program product. The method is used for an optical line terminal (OLT), and comprises the following steps: receiving a configuration instruction sent by a controller, the configuration instruction comprising a target virtual local area network (VLAN) identifier; and according to the configuration instruction, configuring the OLT, so that the OLT forwards target flow data sent by a second ONU to a target VLAN sub-interface corresponding to the target VLAN identifier in the first ONU. By adopting the method, the flexibility of traffic forwarding can be improved.

The invention relates to the technical field of data transmission, and discloses a redundant data transmission method and system, a switch and a medium, the system comprises a first terminal, a first switch connected with the first terminal, a second terminal and a second switch connected with the second terminal; the first switch is used for receiving an original data message sent by the first terminal; processing the original data message according to a first configuration rule to obtain at least two new data messages; wherein each new data message is a data message with a virtual local area network identifier; the new data message is transmitted to the second switch through the corresponding virtual local area network according to the virtual local area network identifier; the second switch is used for receiving the new data message sent by the first switch; and processing the new data message according to the second configuration rule to obtain an output data message, and then transmitting the output data message to the second terminal, so that the reliability and the stability of redundant data transmission can be realized.

Some embodiments of the invention provide a method for adding routable subnets to a logical network that connects multiple machines and is implemented by a software defined network (SDN). The method receives an intent-based API that includes a request to add a routable subnet to the logical network. The method defines (i) a VLAN (virtual local area network) tag associated with the routable subnet, (ii) a first identifier associated with a first logical switch to which at least a first machine in the multiple machines that executes a set of containers belonging to the routable subnet attaches, and (iii) a second identifier associated with a second logical switch designated for the routable subnet. The method generates an API call that maps the VLAN tag and the first identifier to the second identifier. The method provides the API call to a management and control cluster of the SDN.

The invention relates to a virtual local area network distribution method, system and device and computer equipment. The method comprises the steps of obtaining network state data, preprocessing the network state data to obtain a state vector, processing the state vector through a reinforcement learning model to obtain a virtual local area network distribution strategy, and sending the virtual local area network distribution strategy to a network controller under the condition that verification of the virtual local area network distribution strategy is passed, and indicating the network controller to distribute the virtual local area network label to the corresponding network equipment according to the virtual local area network distribution strategy. The method can improve the utilization rate of network resources.

A network device can be configured to receive a packet to be replicated in accordance with a virtual local area network (VLAN) replication set having a number of members. The network device can further be configured to identify a first sub-broadcast or layer 2 (L2) domain for the packet and to identify a first sub-broadcast domain replication set corresponding to the first sub-broadcast domain. The first sub-broadcast domain replication set can have a number of members less than the number of members in the VLAN replication set. The network device can further be configured to identify a second sub-broadcast domain replication set for the packet, to replicate the packet a number of times for at least a portion of the members of the first sub-broadcast domain replication set, and to replicate a loopback packet a number of times for members of the second sub-broadcast domain replication set.

The invention relates to the technical field of substation communication, and discloses a time-sensitive network communication method, system, equipment and medium for substation equipment network access, comprising the following steps: introducing a time-sensitive network into substation equipment, dividing the substation equipment into different network communication terminals according to message types, and distinguishing terminal service traffic through a virtual local area network, the service flow is managed and optimized; performing multi-protocol optimization on the sent transformer substation sampling message, entering a time synchronization network, and generating a scheduling strategy of the transformer substation sampling message; and filtering the sent general substation event message, entering a time synchronization network, and generating a scheduling strategy of the general substation event message. According to the invention, corresponding shaping optimization is carried out on the time-triggered traffic and the event-triggered traffic, so that the key service traffic can be transmitted in a lower-delay jitter manner after entering the network, and excessive cost overhead and signal delay overhead are not increased.

The invention discloses a network deployment method, device and equipment and a computer readable storage medium, and is applied to the technical field of computers, and the method comprises the steps: obtaining a virtual machine and bare metal of a cloud infrastructure platform, and containerized application bare metal of a container arrangement platform; the containerized application of the bare metal is the bare metal for deploying a container arrangement platform in the bare metal; setting a switch port mode of the virtual machine and a port mode of the containerized application bare metal as a multi-virtual local area network port mode, and setting a switch port mode of the bare metal as a single-virtual local area network port mode; and interconnecting the virtual machine configured with the port mode, the bare metal and the network of the containerized application bare metal based on the virtual private cloud subnet information. According to the invention, the containerized application bare metal integrated with the container arrangement platform and the ports of the virtual machine and the bare metal are configured, so that the cloud infrastructure platform and the container arrangement platform can access the same virtual private cloud network, thereby realizing network interconnection and intercommunication.

The invention discloses a virtual local area network re-ploughing configuration method and device and a nonvolatile storage medium. The method comprises the following steps: acquiring a global configuration file from optical line terminal equipment and multi-service edge equipment through a first preset program interface, and extracting configuration data of a preset field type from the global configuration file; determining a preset resource allocation result corresponding to each type of service according to the configuration data, and generating a re-ploughing configuration script according to the preset resource allocation result; and after the re-ploughing configuration script is distributed, collecting first hardware address information of each type of service in the first local area network and second hardware address information of each type of service in the second local area network in real time, and determining whether the re-ploughing configuration process is abnormal according to the first hardware address information and the second hardware address information. The technical problem of low re-cultivation efficiency of the virtual local area network caused by inaccurate service data configuration and acquisition in the existing re-cultivation technology is solved.

Disclosed is technology that allows a user to configure different load balance hash functions for each port channel to perform more custom-designed load balancing for that port channel. For example, some port channels may benefit from flow-based load balancing, whereas others may benefit from Virtual Local Area Network (VLAN) based load balancing, or load balancing based on an inner source media access control address (MAC address) and destination MAC address, or other methods. The present technology therefore allows a user to configure a port channel with a specific hash function that causes load balancing of the network traffic in a manner specific to that port channel.

The application discloses a network connection device and electronic equipment in the computer technical field. In the application, the switching module is provided with a first network port connected with a first baseboard management controller and divided into a first virtual local area network, a second network port connected with a switching network and divided into a second virtual local area network, and at least one third network port connected with at least one network card device and divided into the first virtual local area network and the second virtual local area network. In addition, a dynamic IP address configured by a second baseboard management controller in the network card device can communicate with the switching network, and a static IP address configured by the second baseboard management controller in the network card device can communicate with a static IP address of the first baseboard management controller. Since only the second baseboard management controller is configured with the dynamic IP address, the number of IP addresses that need to be dynamically managed is small, and too many computing resources need not be allocated for the management of the IP addresses, so that the efficient management of the IP addresses of the server BMC and the network card device can be realized.

An access point (AP) in an AP cluster is provided. During operation, the AP can identify a set of Internet Protocol (IP) addresses of permitted devices in a virtual local area network (VLAN) of the AP cluster from a first set of packets. The AP can also identify a set of media access control (MAC) addresses corresponding to the set of IP addresses from a second set of packets. The AP can then generate a whitelist comprising the sets of IP and MAC addresses. The whitelist can indicate addresses of packets permitted to be forwarded via the wireless interface. The AP can identify a target IP address in an Address Resolution Protocol (ARP) request. If the target IP address is absent in the whitelist, the AP can preclude the wireless interface from forwarding the ARP request to clients wirelessly coupled to the wireless interface.

An example operation may include one or more of establishing a connection with a local area network (LAN) network via a routing apparatus comprising a plurality of network connection ports, receiving a packet via a network connection port from among the plurality of network connections ports, detecting that the packet is of a new virtual local area network (VLAN), and automatically configuring a VLAN interface for new VLAN and deploying the VLAN interface at the routing apparatus.

The disclosure relates to a method (500) and system (108) for configuring a network policy for a network device (114) in a network (106). The method (500) involves receiving (502), by a policy control function (PCF) (110), a policy control create request from a session management function (SMF) (112), wherein the policy control create request comprises a parameter field. The PCF (110) analyzes (504) the parameter field to identify a device type and a virtual local area network (VLAN) identifier (ID). The PCF (110) verifies (506) whether the device type and the VLAN ID are not null. Upon successful verification, the PCF (110) sends (508) a success response to the SMF (112), wherein the success response comprises the VLAN ID in a header and the device type, thereby configuring a network policy for the network device (114) in the network (106).

This invention discloses a multicast message processing method, apparatus, electronic device, and storage medium. The method includes: acquiring the multicast source and receiver of the multicast message, and determining a first virtual local area network (VLAN) packet where the multicast source is located and a second VLAN packet where the receiver is located; acquiring the port type and port status of the output port of the multicast source; and synchronizing software entry content to the underlying software development kit (SDK) hardware entry when the first VLAN packet and the second VLAN packet are different and the port type and port status meet preset conditions. This invention solves the problem that some multicast receiving network elements in a multicast network cannot perform multicast group joining, prevents multicast message transmission failures due to port failures of the multicast source, and ensures the stability of multicast services.

The invention discloses a virtual local area network cloud host dual-stack communication method, device and equipment and a storage medium, and relates to the field of computers.The virtual local area network cloud host dual-stack communication method comprises the steps that a target virtual local area network is created on a target cloud computing platform through a dual-stack management control center by means of a target dual-stack application programming interface and a dual-stack northbound interface, and a target subnet is created; the target subnet comprises a first target subnet and a second target subnet which are different in Internet protocol; configuring the target virtual local area network, the first target subnet and the second target subnet, creating a first cloud host and an elastic network card in the target virtual local area network, storing corresponding target information to a target database, and configuring a target subnet address for the first cloud host, and when the first target connection between the first cloud host and the target subnet is normal, creating a second cloud host in the target virtual local area network, so that the second cloud host and the first cloud host perform dual-stack communication. According to the method and the device, smooth upgrading of the target virtual local area network internet protocol is promoted.

The invention discloses a communication test method, system and device, equipment, a medium and a program product. The method comprises the following steps: running a detection program; in response to a first data frame sent by the second access node detected through the first detection interface, generating a first connectivity result corresponding to the network device, the first connectivity result being used for expressing connectivity between ports of the network device; and in response to a second data frame detected by the second detection interface and sent by the second access node and marked with a transparent transmission label, generating a second connectivity result corresponding to the network device, the second connectivity result being used for expressing that the network device supports data frame transparent transmission on a virtual local area network (VLAN). The VLAN unvarnished transmission capability between the network equipment ports is automatically tested, and the test accuracy and efficiency of the network equipment are improved.