114 results about "Virtual LAN" patented technology

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.

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.

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.

A method, computer program product, and computing system for processing network packets to and from a multi-node storage system within a Virtual Local Area Network (VLAN) using an original VLAN device with a VLAN device identifier. A new VLAN device is generated with a new VLAN device identifier within the VLAN. Incoming packets with the new VLAN device identifier are filtered on the new VLAN device. Outgoing packets with an original VLAN device identifier are tagged on the new VLAN device. The original VLAN device on each node is modified to tag outgoing packets on the original VLAN device with the new VLAN device identifier. In response to modifying the original VLAN device to tag outgoing packets on the original VLAN with the new VLAN device identifier on each node of the multi-node storage system, outgoing packets are tagged on the new VLAN device with the new VLAN device identifier.

This invention relates to the field of industrial communication technology and discloses a communication method and apparatus for industrial switches to connect walkie-talkies without a gateway. The method involves a management unit receiving a walkie-talkie terminal registration request, assigning a unique virtual LAN identifier, configuring a multicast group address, and establishing a binding relationship. An analog audio interface module receives analog voice signals and accompanying signaling, performs sampling, analog-to-digital conversion, compression encoding, and parses the PTT trigger signal to generate a transmit enable signal. Data frames are then encapsulated and sent to the switching chip. The switching chip queries the forwarding table based on the transmit enable signal and the walkie-talkie identifier, adds a virtual LAN identifier, and forwards the data frames via multicast. The management unit continuously monitors link quality and automatically switches the channel to a backup port when quality deteriorates, ensuring stable and reliable communication, simplifying the network architecture, and reducing costs.

The application provides a gateway device interface configuration matching method, comprising the following steps: adding all interfaces of a switching module in a gateway device to a bridge established on a first network port, simultaneously configuring a first virtual local area network, confirming a candidate interface ID list according to the interfaces in the switching module, obtaining an initial network interface type list corresponding to the candidate interface ID list according to the candidate interface ID list, obtaining a target connection state corresponding to all interfaces of the switching module in the gateway device, and matching the interface configuration of the switching module in the gateway device according to the target connection state. The application keeps the network port name on the main controller unchanged, and dynamically binds the network port in the main controller and each physical interface of the switching module according to the connection condition, realizes the network port automatic adaptation function, makes the interface configuration matching more accurate, and makes the main controller use the fixed interface uniformly, so that additional processing is not needed, the operation is convenient, and the efficiency of network developers is improved.

The application discloses a virtual local area network device registration method and device, computer equipment and a storage medium, relates to the technical field of computers, and comprises the following steps: registering an initial virtual local area network device, determining the device identifier of the initial virtual local area network device; generating a test message containing the device identifier; sending the test message to a target device, so that the target device judges whether the identifier contained in the intermediate message is consistent with the device identifier, the intermediate message being the test message received by the target device; if the target device does not receive the test message, or the identifier contained in the intermediate message is inconsistent with the device identifier, releasing the resources occupied by the initial virtual local area network device; if the identifier contained in the intermediate message is consistent with the device identifier, setting the initial virtual local area network device as a target virtual local area network device. The application solves the problems that whether the virtual local area network device can be normally used cannot be determined, and the resources occupied by the virtual local area network device that cannot be normally used cannot be released in time.

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.

To achieve redundant data transmission in a communication network, at least a first (201) and a second virtual local area network (202), VLAN, are each configured on communication devices (101-104, 112-113, 122-123, 132-133, 142-144) of the communication network that forward datagrams (300). Different spanning trees are determined for each of the first (201) and second VLAN (202) within the communication network by applying a spanning tree protocol, said spanning trees being used to specify, for each of the first and second VLAN, active paths for forwarding datagrams via the forwarding communication devices. At least selected datagrams (300) to be transmitted are duplicated by a transmitter-side communication device (111) and transmitted both via the first VLAN (201) and via the second VLAN (202). Received datagrams (300) associated with the VLANs (201, 202) are each checked for identity with an already received datagram by receiver-side communication devices (121, 131, 141) and discarded if an already received identical datagram is present.

The invention relates to an IPv6 address normalization method in an SLAAC environment and gateway equipment, and belongs to the technical field of network communication, the IPv6 address normalization method in the SLAAC environment comprises the following steps: obtaining a neighbor request message sent by a terminal, determining a network identifier of the terminal based on the neighbor request message, the neighbor request message being used for duplicate address detection, and the network identifier of the terminal being used for duplicate address detection; the network identifier comprises an MAC address, a virtual local area network identifier and a temporary IPv6 address; sending an address acquisition request to a DHCPv6 server, and acquiring a fixed IPv6 address; constructing a dynamic mapping table based on the fixed IPv6 address and the network identifier; and based on the dynamic mapping table, performing address conversion on the data message of which the source IP is the temporary IPv6 address and the data message of which the target IP is the fixed IPv6 address. According to the invention, the standardization efficiency of the IPv6 address is ensured while the standardization cost of the IPv6 address is reduced.

The embodiment of the invention provides a virtual local area network conflict processing method. The method comprises the following steps: determining a plurality of connecting devices with virtual local area network conflicts and virtual local area network information of each connecting device; creating a flexible Ethernet client for each connection device on a first physical port in butt joint with the broadband access server resource pool, and creating a virtual Ethernet interface on each flexible Ethernet client; and creating the same virtual local area network on the corresponding virtual Ethernet interface according to the virtual local area network information of each connection device. In the embodiment of the invention, a plurality of flexible Ethernet clients are created on a physical port, and a virtual local area network is created on a corresponding virtual Ethernet interface according to the existing virtual local area network plan, so that the problem of VLAN conflict of a high-rate port caused by data center resource pooling transformation in related technologies can be solved, and the data center resource pooling transformation efficiency can be improved. And the implementation mode is simple, and the technical effect of saving the transformation cost is achieved.

The application relates to the technical field of robots, and discloses a robot data transmission method, a robot and a medium, which comprise the following steps: configuring multiple virtual local area networks, performing robot data transmission network isolation based on the virtual local area networks; obtaining load data of the virtual local area networks, adjusting data transmission priorities of the virtual local area networks based on comparison results of the load data and preset load thresholds, adjusting bandwidths of the virtual local area networks based on the adjusted data transmission priorities and the load data; and performing data transmission based on the adjusted data transmission priorities and the adjusted bandwidths. The application judges network congestion states based on load sensing of each virtual local area network in the robot, improves transmission priorities of virtual local area networks in the congestion states, makes the virtual local area networks in the congestion states transmit preferentially, can effectively avoid delay and packet loss caused by network congestion, and guarantees real-time performance of robot control responses and reliability of action execution.

A vehicle-mounted relay device includes a relay section that relays information between a plurality of vehicle-mounted devices belonging to mutually different VLANs (Virtual Local Area Networks); a detection section that detects a case where the vehicle-mounted devices have transitioned to a sleep state; and a notification section that, in a case where the detection section detects that a first vehicle-mounted device among the plurality of vehicle-mounted devices has transitioned to a sleep state, makes a sleep notification to a second vehicle-mounted device among the plurality of vehicle-mounted devices indicating that the first vehicle-mounted device has transitioned to a sleep state.

The invention relates to a virtual local area network testing method and device for an Ethernet switch in the power industry and computer equipment. The method comprises the following steps: connecting a plurality of ports of a switch to be tested with a plurality of ports of a network tester one by one; according to the to-be-tested mode of the to-be-tested switch, in the network tester, constructing a test message of the to-be-tested switch, and configuring a virtual local area network identifier of each port of the to-be-tested switch; the to-be-tested modes at least comprise a one-port input and multi-port output mode, a multi-port input and one-port output mode, a port one-to-one input and output mode and a port multi-input and multi-output mode; inputting the test message into the switch to be tested, and monitoring an output message forwarded by the switch to be tested; and obtaining a virtual local area network test result for the to-be-tested switch according to the output message and the virtual local area network identifier of each port of the to-be-tested switch. By adopting the method, the test comprehensiveness of the virtual local area network can be improved.

The invention discloses a network security protection method and device for Ethernet, equipment and a medium, relates to the technical field of data communication, is applied to a link cipher machine deployed on the periphery of the Ethernet, and comprises the following steps: determining a first virtual local area network, and sending a first service data message to a first security entity so as to match a first security policy; if the strategy is a plaintext forwarding strategy, sending the first service data message to the peripheral equipment; if the strategy is a security protection strategy, determining a security channel type; performing first security label packaging and encryption processing on the first service data message according to the security alliance of the security channel type, and sending the first processed message to the peripheral equipment; determining a second virtual local area network, sending the second service data message to a second security entity, and performing security processing operation on the second service data message to obtain a second processed message; and sending or discarding the second processed message according to the second security policy. And the security protection of the service data is realized.

A satellite communication method, terminal device, network device, computer-readable storage medium, and computer program product are provided. The satellite communication method includes: determining whether a CPE device has received a topology-aware message for perceiving the user network topology from at least one other CPE device in a virtual local area network (VLAN), wherein the VLAN includes a satellite network device and multiple CPE devices, and the satellite network device includes an SMF (Supervisory Network Element) element; and, in response to determining that the CPE device has received a topology-aware message from at least one other CPE device in the VLAN, reporting loop information to the SMF element, wherein the loop information directly or indirectly indicates the existence of a loop in the VLAN, causing the SMF element to initiate virtual stacking. This disclosure effectively detects and avoids loops.

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.

A network device operating as a tunnel endpoint in an overlay network is provided. During operation, the network device can receive a multi-destination packet associated with a virtual local area network (VLAN) via an edge port of the network device. The network device can determine a multicast group assigned for distributing multi-destination traffic of the VLAN from a data structure in forwarding hardware of the network device. The network device can then forward the multi-destination packet via a root-path multicast tree associated with the multicast group. Subsequently, the network device can receive forwarding information shared by a second network device of the overlay network based on a control packet sent by the second network device. The network device can then program, in the forwarding hardware, a shortest-path multicast tree associated with the multicast group, wherein the shortest-path multicast tree is for distributing traffic belonging to the VLAN.

Provided in the embodiments of the present application are a data message transmission control method, system and apparatus, and a non-transitory readable storage medium. The method includes: acquiring a plurality of target provider edges connected to the same customer edge; generating a load balancing instruction for each target provider edge amongst the plurality of target provider edges, wherein the load balancing instruction is used for instructing each target provider edge to forward, according to message information carried by received data messages to be transmitted and the load balancing instruction, a target data message matched with each target provider edge amongst the data messages to be transmitted, and the data messages to be transmitted belong to the same virtual local area network; and issuing the load balancing instructions to the corresponding target provider edges.

The invention discloses an equipment switching method and device suitable for multiple dual homing protocol ring links, and belongs to the technical field of computer networks. The equipment switching method suitable for multiple dual homing protocol ring links comprises the following steps: generating a table clearing message carrying a target virtual local area network based on information of the target virtual local area network under the condition that a target message is received and a home node is configured to be in a target mode; and the table clearing field sends a table clearing message to the convergence layer equipment and a non-home node in the target dual-home protocol annular link, so that the convergence layer equipment and the non-home node clear a media access control table entry and an address resolution protocol table entry corresponding to the target virtual local area network. According to the device switching method and device suitable for multiple dual homing protocol ring links provided by the invention, the problem of communication quality reduction such as packet loss of the DHP ring links caused by device switching of the DHP ring links can be reduced or even avoided.

A method of forwarding traffic to a client edge (CE) device comprises using an ordered list of virtual local area network (VLAN) identifiers, where each VLAN identifier corresponds to a respective one of a plurality of VLANs, to assign, for each of the plurality of VLANs, one of a plurality of provider edge (PE) devices that are connected to the CE device to forward traffic that is within a class of traffic to the CE device.

The present application relates to a configuration method and apparatus for traffic data forwarding, an optical line terminal (OLT), a computer-readable storage medium, and a computer program product. The method is applied to the OLT. The method comprises: receiving a configuration instruction sent by a controller, the configuration instruction comprising a target virtual local area network (VLAN) identifier; and configuring the OLT on the basis of the configuration instruction, so that the OLT forwards, to a target VLAN sub-interface that is in a first ONU and corresponds to the target VLAN identifier, target traffic data sent by a second ONU.

The application discloses a multi-virtual local area network spanning tree optimization method based on a large language model and an adaptive temperature genetic algorithm, and belongs to the technical field of network topology optimization, and comprises the following steps: acquiring physical topology information of a target network to construct a network graph model; initializing a population of the genetic algorithm and allocating a use quota of high-value edges to each virtual local area network based on the network graph model; iteratively optimizing the population by using an enhanced genetic algorithm framework integrated with a large language model; dynamically recommending a genetic operation strategy of the current generation by the large language model according to multi-dimensional state indexes of the population, and performing multi-objective fitness evaluation on individuals in the population; and dynamically adjusting a temperature parameter by using a bidirectional state-aware adaptive temperature scheduling mechanism; and collecting optimal edge selection schemes of each virtual local area network spanning tree obtained through final optimization as a multi-virtual local area network network configuration scheme to perform network configuration. The method can realize intelligent global optimal configuration of multi-VLAN spanning trees.

The application provides a network permission configuration method, device, equipment, medium and program product, which can be applied to the technical field of intelligent operation and maintenance and the technical field of financial technology. The network permission configuration method comprises the following steps: in response to a network permission configuration request of a user, obtaining identity authentication information input by the user on a target network switch and first identification information of the target network switch; determining a network address of a target virtual local area network corresponding to the user according to the identity authentication information and a first mapping relationship; determining a target switch corresponding to the target network switch and a target port connected to the target network switch on the target switch according to the first identification information and a second mapping relationship; and sending a configuration instruction to the target switch, so that the target switch allocates the target port to a virtual local area network corresponding to the network address of the target virtual local area network, thereby completing the network permission configuration of the user.

The present disclosure provides a system and a method for performing connectivity data flow in a network is described. A backhaul router (302) is configured for plurality of virtual local area networks (VLANs) to support indoor small cell (IDSC) connectivity for at least one of mobile network generation by creating a first set of VLANs is created in the backhaul router (302) and a 5G IDSC (300) associated with a first one of mobile network generation signalling / data packets, a second set of VLANs is created in the backhaul router (302) and a 4G IDSC (414) associated with a second one of mobile network generation signalling / data packets and bridging the second set of VLANs is bridged to the 5G IDSC (300) to allow mobile network generation packets of second one of mobile network generation from the backhaul router (302) to the 4G IDSC (414).

The invention provides a multi-domain precise clock synchronization method on a train, which comprises the following steps: designing a biplane annular networking topology, and establishing a train operation network; in the initial running stage of a train, a multi-domain precise clock synchronization protocol gPTP is executed, a logic isolation virtual local area network is divided according to a full-independent multi-synchronization-domain architecture, gPTP instance synchronization parameters are configured, and a synchronization protocol is started; in each synchronization domain, all nodes periodically broadcast Announce messages to transmit clock information, and decide a master clock (MC) according to the BMCA; periodically calculating link propagation time delay among all the synchronization ports; according to the clock synchronization spanning tree, starting from the master clock, using Sync and FollowUp message periods to transmit the time of the master clock, and synchronizing the slave clock step by step; the gPTP instance in the multiple domains calculates an offset value according to Sync and FollowUp messages and inputs the offset value into a detection component, and the detection component calculates and corrects the offset value and checks fault master clock information; and inputting the offset value into a correction component, aggregating the offset value into a corrected offset value, inputting the corrected offset value into an action component, and updating a local gPTP clock according to the corrected offset value to complete clock synchronization.

The application provides a bare metal server instance management method, system, storage medium and program product, relates to the technical field of cloud computing, and the method comprises the following steps: obtaining the out-of-band management address of a target bare metal server, obtaining the hardware manufacturer identifier according to the out-of-band management address, and determining a target virtual local area network; injecting a hardware driver set matched with the hardware manufacturer identifier into an operating system image associated with a machine installation template to generate a target deployment image; allocating a temporary boot IP address in the target virtual local area network and configuring a pre-boot network parameter through a substrate out-of-band interface; controlling the target bare metal server to obtain the target deployment image according to the pre-boot network parameter to install the operating system; adjusting the computing resource quota to a target resource quota through a management and control agent program during the operation of the operating system; and when a storage expansion request is received, creating a target storage volume according to a target physical disk identifier through the management and control agent program and mounting the target storage volume to a target mounting point.