WO2018188425A1 - Procédé et appareil d'accès hybride à simple et double anneau vxlan, dispositif pe et support de stockage - Google Patents

Procédé et appareil d'accès hybride à simple et double anneau vxlan, dispositif pe et support de stockage Download PDF

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Publication number
WO2018188425A1
WO2018188425A1 PCT/CN2018/077796 CN2018077796W WO2018188425A1 WO 2018188425 A1 WO2018188425 A1 WO 2018188425A1 CN 2018077796 W CN2018077796 W CN 2018077796W WO 2018188425 A1 WO2018188425 A1 WO 2018188425A1
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lag
interface
vxlan
esi
local
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PCT/CN2018/077796
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English (en)
Chinese (zh)
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唐益慰
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中兴通讯股份有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks

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  • the present disclosure relates to the field of cloud computing and data center technologies, and in particular, to a VXLAN (Virtual Extensible LAN) single-homing and dual-homing hybrid access method, device, PE (Provider Edge, Carrier Edge) device and storage. medium.
  • VXLAN Virtual Extensible LAN
  • PE Provider Edge, Carrier Edge
  • VXLAN EVPN Ethernet Virtual Private Network
  • CE Customer Edge
  • FIG. 1 For ease of understanding, a typical networking diagram of VXLAN single-homed and dual-homed hybrid access shown in FIG. 1 is illustrated.
  • TS1 is dual-homed to DUT1 and DUT2, PC1 is directly connected to DUT1, and PC2 is single-homed.
  • the ERP For each PE device that is configured with the same ESI for the MC-LAG, the ERP must be negotiated with the RT (Router Type)-4, and the DF (Designated Forwarder) is elected. , the forwarding device is configured to filter the excess BUM (Broadcast & Unknown & Unicast & Multicast, Broadcast & Unknown Unicast & Multicast) traffic, where the BUM message is a multicast message, and only the DF device can receive the multicast message, and the Non-DF The device does not receive multicast messages.
  • BUM Broadcast & Unknown & Unicast & Multicast
  • the PE device needs to carry the configured ESI to form a multi-active/single-lived redundant route on the remote PE device.
  • the protocol specified scheme can well support existing scenarios.
  • multicast message forwarding there are certain problems with the protocol specified by the protocol.
  • the BUM packet is sent to the Non-BOM packet.
  • the non-DF PE device broadcasts the packet to the network side. After receiving the traffic, the DF PE device cannot determine the ESI of the BUM packet source. Therefore, the DF PE device sends the BUM packet to the original CE. , causing the BUM message to loop back.
  • Embodiments of the present disclosure provide a VXLAN single-homing and dual-homing hybrid access method, apparatus, PE device, and storage medium.
  • the method further includes: prohibiting a PE device that is the same as the ESI of the MC-LAG from being a BGP (Border Gateway Protocol) EVPN (Ethernet Virtualization) a private network) neighbor; determining a DF state of the ESI of the MC-LAG according to the active/standby state of the MC-LAG.
  • BGP Border Gateway Protocol
  • EVPN Ethernet Virtualization
  • the load sharing forwards the unicast packet and broadcasts the received BUM packet, including: if receiving from the MC-LAG interface and the single-homed interface And the unicast packet is forwarded according to the forwarding table entry; if the BUM packet is received from the MC-LAG interface and the single-homed interface, the broadcast is directly in the VXLAN domain.
  • the BUM message is sent; if the BUM message is received from the PeerLink interface, the BUM message is prohibited from being broadcast to the MC-LAG interface and the VXLAN EVPN network side in the VXLAN domain, only to the single The interface broadcasts the BUM message; if the BUM message is received from the VXLAN EVPN network, the BUM message is prohibited from being broadcast to the PeerLink interface in the VXLAN domain, and only the single-homed interface is
  • the MC-LAG interface that meets the preset condition broadcasts the BUM message; the preset condition is that the DF state of the ESI configured on the MC-LAG interface is DF.
  • the method further includes: if the peer PE device is faulty, updating the active/standby state of the MC-LAG corresponding to the local PE device, and re-determining the current and standby states according to the updated MC-LAG status.
  • the DF state of the ESI of the MC-LAG corresponding to the PE device if the BGP device detects that the BGP EVPN neighbor device is faulty, the corresponding forwarding table entry transmitted by the BGP EVPN neighbor device is deleted; if the MC of the local PE device If the LAG interface is faulty, the forwarding table entry corresponding to the MC-LAG interface is deleted, and the BGP device is notified to the BGP EVPN neighboring device to delete the remote entry; if the MC-LAG interface of the local PE device is faulty.
  • the load balancing forwards the unicast packet and broadcasts the received BUM packet according to the preset filtering and forwarding rule, including: when receiving the unknown unicast packet, determining whether the VXLAN domain is The broadcast function in the unknown packet domain is enabled. If the broadcast function in the unknown packet domain is enabled, the unknown unicast packet is broadcasted in the VXLAN domain according to the preset filter forwarding rule. Otherwise, the unknown ticket is discarded. Broadcast message.
  • the embodiment of the present disclosure provides a VXLAN single-homing and dual-homing hybrid access device, which is executed by a PE device, and includes: a configuration module configured to perform a single dual-homing hybrid access configuration; wherein, the MC-LAG is configured, and the configuration An ESI corresponding to the MC-LAG corresponding to the MC-LAG; the MC-LAG is configured with the same ESI as the MC-LAG corresponding to the peer PE device; and the binding module is configured to connect the MC-LAG interface and the The PeerLink interface and the single-homed interface are bound to the VXLAN domain.
  • the forwarding module is configured to load and forward unicast packets in the VXLAN domain and broadcast and receive in the VXLAN domain according to the preset filtering and forwarding rules. BUM message to.
  • the forwarding module is configured to: if the unicast packet is received from the MC-LAG interface and the single-homed interface, forward the unicast packet according to a forwarding table entry; if from the MC- Receiving, by the LAG interface and the single-homed interface, the BUM message, directly broadcasting the BUM message in the VXLAN domain; if receiving the BUM message from the PeerLink interface, in the VXLAN domain Disabling the broadcast of the BUM message to the MC-LAG interface and the VXLAN EVPN network side, and only broadcasting the BUM message to the single-homed interface; if receiving the BUM message from the VXLAN EVPN network side, Disabling the broadcast of the BUM message to the PeerLink interface in the VXLAN domain, and only broadcasting the BUM message to the single-homed interface and the MC-LAG interface that meets the preset condition; the preset condition is:
  • the DF state of the ESI of the MC-LAG interface configuration is
  • the device further includes a processing module, and the processing module is configured to: if the peer PE device is faulty, update the active/standby state of the MC-LAG corresponding to the local PE device, and according to the updated If the BGP EVPN neighbor device is faulty, the BGP EVPN neighbor device sends the corresponding forwarding table entry.
  • the MC-LAG interface of the local PE device is faulty, delete the forwarding table entry corresponding to the MC-LAG interface, and notify the BGP device to delete the remote entry of the BGP EVPN neighbor device; If the MC-LAG interface of the PE device is faulty, the status of the MC-LAG corresponding to the local PE device is updated, and the MC corresponding to the local PE device is re-determined according to the updated active/standby status of the MC-LAG.
  • the processor executes the data stored in the memory, the following operations are also performed: when the single-double-homing access configuration is performed, the PE device that is the same as the ESI of the MC-LAG is prohibited from being a BGP EVPN. a neighbor; determining a DF state of the ESI of the MC-LAG according to the active/standby state of the MC-LAG.
  • the load sharing forwards the unicast packet and broadcasts the received BUM packet, including: if receiving from the MC-LAG interface and the single-homed interface And the unicast packet is forwarded according to the forwarding table entry; if the BUM packet is received from the MC-LAG interface and the single-homed interface, the broadcast is directly in the VXLAN domain.
  • the BUM message is sent; if the BUM message is received from the PeerLink interface, the BUM message is prohibited from being broadcast to the MC-LAG interface and the VXLAN EVPN network side in the VXLAN domain, only to the single The interface broadcasts the BUM message; if the BUM message is received from the VXLAN EVPN network, the BUM message is prohibited from being broadcast to the PeerLink interface in the VXLAN domain, and only the single-homed interface is
  • the MC-LAG interface that meets the preset condition broadcasts the BUM message; the preset condition is that the DF state of the ESI configured on the MC-LAG interface is DF.
  • the active/standby state of the MC-LAG, and the DF state of the ESI of the MC-LAG corresponding to the local PE device is re-determined according to the updated active/standby state of the MC-LAG; if the PeerLink interface of the local PE device If the DF status of the ESI of the MC-LAG corresponding to the PeerLink interface is Non-DF, all MC-LAG interfaces are closed.
  • Embodiments of the present disclosure provide a computer storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of any of the above methods.
  • the present disclosure combines the ESI technology and the MC-LAG Peerlink technology, and sets the filtering and forwarding rules on the basis of the disclosure, thereby supporting the dual-homing load sharing transmission, and solving the problem that the BUM packet loopback and/or the BUM packet cannot be received.
  • the problem is that the embodiment of the present disclosure can support the application scenario of single-homing and dual-homing hybrid access.
  • FIG. 1 is a networking diagram of VXLAN single-homing and dual-homing hybrid access in the related art
  • FIG. 2 is a schematic diagram of a BUM message loopback in the related art
  • FIG. 4 is a flowchart of a VXLAN single-homing and dual-homing hybrid access method according to a first embodiment of the present disclosure
  • FIG. 5 is a flow chart showing the steps of performing a single dual-homed hybrid access configuration in accordance with a second embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of a VXLAN single-homing and dual-homing hybrid access network according to a second embodiment of the present disclosure
  • FIG. 8 is a schematic diagram of a network for forwarding a BUM message on a CE side according to a third embodiment of the present disclosure
  • FIG. 9 is a flowchart of steps of forwarding a PeerLink BUM message according to a third embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of a network for forwarding a PeerLink BUM message according to a third embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of a PeerLink interface failure according to a fourth embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram of a PeerLink interface failure according to a fourth embodiment of the present disclosure.
  • the BGP EVPN neighbor device If the BGP EVPN neighbor device is faulty, the BGP EVPN neighbor device sends the corresponding forwarding table entry.
  • This embodiment combines the ESI technology and the MC-LAG Peerlink technology, and sets the filtering and forwarding rules on the basis of this.
  • the VXLAN packet does not have an ESI label
  • the BUM packet loopback and the BUM packet do not occur.
  • This embodiment can support the application scenario of single-homing and dual-homing hybrid access.
  • FIG. 5 is a flow chart showing steps of performing a single dual-homing hybrid access configuration according to a second embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of a VXLAN single-homing and dual-homing hybrid access network according to a second embodiment of the present disclosure.
  • TS1, PC1, PC2, and TS2 are CE devices
  • DUT1, DUT2, and DUT3 are PE devices
  • TS1 is dual-homed to DUT1 and DUT2
  • PC1 is directly connected to DUT1
  • PC2 is directly connected to DUT2
  • TS2 is single. Go to DUT3.
  • the MC-LAG is configured on the MC-LAG interface of the DUT1 and the DUT2, and the MC-LAC is set up between the DUT1 (the local PE device), the TS1 (the CE device), and the DUT2 (the peer PE device).
  • the MC-LAG corresponding to DUT1 is master (main)
  • the DF of the MC-LAG is marked as DF
  • the MC-LAG corresponding to DUT2 is backup
  • Step S520 Configure a PeerLink link on the PeerLink interface of the local PE device.
  • the local PE device carries the ESI of the MC-LAG corresponding to the local PE device in the RT-2 routing information. After receiving the RT-2 routing information, the BGP EVPN neighbor device can form a corresponding redundant route.
  • Step S550 Configure a filtering and forwarding rule and a fault handling rule for the local PE device.
  • the unicast forwarding mechanism if the unicast packet is received from the MC-LAG interface and the single-homed interface, the unicast packet is forwarded according to the forwarding table entry. Further, when receiving the unicast packet from the MC-LAG interface and the single-homed interface, it is determined whether the forwarding table entry corresponding to the unicast packet exists in the forwarding table, and if yes, forwarding according to the forwarding table entry, if not If yes, the unicast packet is an unknown unicast packet. If the unknown broadcast is allowed, the packet is forwarded according to the preset filtering and forwarding rule. If the unknown broadcast is not allowed, the unknown unicast packet is discarded. Further, if the unicast packet is received from the access side, the ESI load sharing routing information (forwarding table entry) advertised by the BGP EVPN neighbor device included in the forwarding table may be used for load sharing forwarding.
  • the fault handling rules include:
  • the active/standby status of the MC-LAG corresponding to the local PE device is updated, and the corresponding PE device is re-determined according to the updated active/standby status of the MC-LAG.
  • the filtering and forwarding rules are set to ensure that the loopback problem does not occur in the BUM packets.
  • the dual-homing node it can achieve local-to-distal load sharing, remote-to-local load sharing, and protection against device or link failure.
  • the single-homing and dual-homing hybrid access method in this embodiment can support the normal forwarding of unicast and multicast packets, and does not affect the standard forwarding rules of VXLAN packets from other vendors on the network side.
  • This embodiment further describes the use of filter forwarding rules.
  • the execution subject is DUT1.
  • Step S710 receiving traffic from the CE device side.
  • step S720 it is determined whether the traffic is a BUM traffic; if yes, step S730 is performed; if not, step S740 is performed.
  • step S740 if it is a unicast traffic, the forwarding table is queried to determine whether there is a forwarding entry (forwarding table entry) corresponding to the unicast traffic in the forwarding table; if yes, step S750 is performed; if no, step S730 is performed.
  • Step S750 If the forwarding entry corresponding to the unicast traffic is queried in the forwarding table, the unicast traffic is forwarded according to the forwarding entry.
  • Broadcasting the unicast traffic in the VXLAN domain includes forwarding the unicast traffic to a single-homed interface, an MC-LAG interface, a PeerLink interface, and a VXLAN EVPN network side in addition to the interface that receives the traffic.
  • BUM traffic from TS1 will be forwarded to PC1, DUT1, PC2, DUT3 and TS2.
  • FIG. 9 is a flow chart showing the steps of forwarding a PeerLink BUM message according to the third embodiment of the present disclosure.
  • 10 is a network diagram for forwarding a PeerLink BUM message according to the third embodiment of the present disclosure.
  • Step S910 receiving traffic from the Peerlink interface.
  • step S920 it is determined whether the traffic is a BUM traffic; if yes, step S930 is performed; if not, step S940 is performed.
  • step S940 if it is a unicast traffic, the forwarding table is queried to determine whether there is a forwarding entry corresponding to the unicast traffic in the forwarding table; if yes, step S950 is performed; if no, step S930 is performed.
  • Step S950 forwarding the unicast traffic according to the forwarding entry.
  • FIG. 11 is a flowchart of a step of forwarding a network side BUM message according to a third embodiment of the present disclosure.
  • FIG. 12 is a network diagram of forwarding a network side BUM message according to a third embodiment of the present disclosure.
  • step S1110 traffic from the VXLAN EVPN network side is received.
  • step S1130 if it is BUM traffic, it is broadcast to the single-homed access side and the dual-homing ESI DF access side in the VXLAN domain, and is not broadcast to the Peerlink side, and the ESI Non-DF access port is filtered.
  • the DUT1 after receiving the BUM message from the VXLAN EVPN network side, the DUT1 can send the BUM message to the PC1 and the TS1, and after receiving the BUM message from the VXLAN EVPN network side, the DUT2 receives the BUM message from the VXLAN EVPN network side.
  • the BUM message can be forwarded to PC2.
  • FIG. 15 is a schematic diagram of an MC-LAC interface failure according to a fourth embodiment of the present disclosure.
  • the DUT1 receives the BUM message from the TS1, and then forwards the BUM message to the PC1 through the AC4 and forwards it to the DUT2 through the VXLAN EVPN network according to the procedure shown in Figure 7, through the PeerLink chain. The way is forwarded to DUT2.
  • FIG. 16 is a schematic diagram of an MC-LAC interface failure according to a fourth embodiment of the present disclosure.
  • the DUT1 receives the BUM message from the DUT3 through the VXLAN EVPN network, and then forwards the BUM message to the PC1 through the AC4 and forwards it to the TS1 through the AC1 according to the procedure shown in FIG.
  • the DTU2 forwards the BUM message to the PC2 through the AC5 according to the procedure shown in FIG. 11, and the DF state of the ESI of the MC-LAG configured by the MC-LAG interface of the DUT2. It is Non DF, so DUT2 does not send BUM messages to TS1.
  • FIG. 17 is a schematic diagram of a failure of a PE device according to a fourth embodiment of the present disclosure.
  • This embodiment provides a VXLAN single-homing and dual-homing hybrid access device.
  • 18 is a structural diagram of a VXLAN single-homing and dual-homing hybrid access device according to a fifth embodiment of the present disclosure.
  • the VXLAN single-homing and dual-homing hybrid access device of this embodiment may be disposed on the PE device side.
  • the VXLAN single-homed and dual-homed hybrid access device includes:
  • the configuration module 1810 is configured to perform a single dual-homing hybrid access configuration, where the MC-LAG is configured, and the PeerLink interface corresponding to the MC-LAG is configured; and the MC-LAG interface is configured with the peer PE.
  • the binding module 1820 is configured to bind the MC-LAG interface, the PeerLink interface, and the single-homed interface to the VXLAN domain.
  • the forwarding module 1830 is configured to load and forward the unicast packet and broadcast the received BUM packet in the VXLAN domain according to a preset filtering and forwarding rule.
  • the forwarding module 1830 is configured to:
  • the unicast packet is received from the MC-LAG interface and the single-homed interface, the unicast packet is forwarded according to the forwarding table entry;
  • the BUM message is received from the MC-LAG interface and the single-homed interface, the BUM message is directly broadcasted in the VXLAN domain;
  • the BUM message is prohibited from being broadcast to the MC-LAG interface and the VXLAN EVPN network side in the VXLAN domain, and only the single-homed interface is broadcasted to the single-homed interface.
  • the BUM message is prohibited from being broadcast to the PeerLink interface in the VXLAN domain, and only the single-homed interface and the MC-LAG interface that meet the preset condition are The BUM message is broadcasted; the preset condition is that the DF state of the ESI configured on the MC-LAG interface is DF.
  • the apparatus further includes a processing module (not shown).
  • the processing module is configured to:
  • the active/standby state of the MC-LAG corresponding to the local PE device is updated, and the MC-LAG corresponding to the local PE device is re-determined according to the updated active/standby state of the MC-LAG.
  • DF state of ESI If the fault of the peer PE device is detected, the active/standby state of the MC-LAG corresponding to the local PE device is updated, and the MC-LAG corresponding to the local PE device is re-determined according to the updated active/standby state of the MC-LAG.
  • the forwarding module 1830 is configured to: when the unicast packet is received, if the unicast packet has a corresponding forwarding table entry, forward the packet according to the forwarding table rule; and receive the unknown unicast packet. And determining, in the VXLAN domain, whether the broadcast function in the unknown packet domain is enabled; if the broadcast function in the unknown packet domain is enabled, the unknown unicast packet is broadcasted in the VXLAN domain according to a preset filtering and forwarding rule; Otherwise, the unknown unicast message is discarded.
  • the embodiment further provides a computer program, a storage medium storing the program, and a PE device.
  • the program is executed to implement: performing a single dual-homing hybrid access configuration; wherein, configuring an MC-LAG, and configuring a PeerLink interface corresponding to the MC-LAG; configuring, on the MC-LAG interface, the MC-LAG The same ESI of the MC-LAG corresponding to the peer PE device; the MC-LAG interface, the PeerLink interface, and the single-homed interface are bound to the VXLAN domain; in the single-and-double hybrid access scenario, the packet is forwarded according to preset filtering.
  • the rule is that in the VXLAN domain, the load sharing forwards the unicast packet and broadcasts the received broadcast & unknown unicast & multicast BUM message.
  • the method further includes: prohibiting the PE device that is the same as the ESI of the MC-LAG from being a border gateway protocol BGP Ethernet virtual private network EVPN neighbor; The active/standby state of the MC-LAG is determined, and the DF state of the ESI of the MC-LAG is determined.
  • the load sharing forwards the unicast packet and broadcasts the received BUM packet, including: if the MC-LAG interface and the single-homing interface are Receiving the unicast packet, and forwarding the unicast packet according to the forwarding table entry; if the BUM packet is received from the MC-LAG interface and the single-homed interface, directly broadcasting in the VXLAN domain.
  • the BUM message if the BUM message is received from the PeerLink interface, the BUM message is prohibited from being broadcast to the MC-LAG interface and the VXLAN EVPN network side in the VXLAN domain, only to the The single-homed interface broadcasts the BUM message; if the BUM message is received from the VXLAN EVPN network side, the BUM message is prohibited from being broadcast to the PeerLink interface in the VXLAN domain, and only the single-homed interface is And the MC-LAG interface that meets the preset condition broadcasts the BUM
  • the MC-LAG interface of the local PE device is used, If the fault occurs, the active/standby status of the MC-LAG corresponding to the local PE device is updated, and the DF status of the ESI of the MC-LAG corresponding to the local PE device is re-determined according to the updated active/standby status of the MC-LAG; If the PeerLink interface of the local PE device is faulty, and the DF state of the ESI of the MC-LAG corresponding to the PeerLink interface is Non-DF, all MC-LAG interfaces are closed.
  • the load sharing forwards the unicast packet and broadcasts the received BUM packet, including: determining the VXLAN domain when receiving the unknown unicast packet If the broadcast function in the unknown packet domain is enabled, if the broadcast function in the unknown packet domain is enabled, the unknown unicast packet is broadcasted in the VXLAN domain according to the preset filtering and forwarding rule; otherwise, the unknown is discarded. Unicast message.
  • the storage medium is mainly configured to store the above program. Therefore, the program in the storage medium is not described in detail in this embodiment; and the storage medium can store the above program.
  • the storage medium may be a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of the method of the embodiments of the invention.
  • FIG. 19 is a schematic diagram of a hardware structure of a PE device that implements a VXLAN single-homed and dual-homed hybrid access method according to an embodiment of the present disclosure.
  • PE device 1900 can include one or more (only one shown) processor 1910 (processor 1910 can include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • processor 1910 can include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • a memory 1920 configured to store data and a data transceiver 1930 configured as a communication function.
  • the structure shown in FIG. 19 is merely illustrative and does not impose a single limitation on the structure of the above electronic device.
  • the PE device 1900 may further include more or less components than those shown in FIG. 19 by splitting or merging the above functions, or have a configuration different from that shown in FIG.
  • the memory 1920 can be configured as a software program and a module for storing application software, and the program instructions/modules corresponding to the VXLAN single-homed and dual-homed hybrid access methods corresponding to the PE device disclosed in the foregoing embodiment can be stored in the memory 1920, regarding the VXLAN list.
  • the dual-homing hybrid access method has been described in detail in the previous embodiments, and thus the present embodiment will not be repeated in detail.
  • the processor 1910 performs various functional applications and data processing by executing (executing) software programs and modules stored in the memory 1920, that is, implementing the above method.
  • Memory 1920 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 1920 can further include memory (cloud memory) remotely located relative to processor 1910, which can be connected to PE device 1900 via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the data transceiver 1930 is configured to receive or transmit data via a network.
  • the network specific examples described above may include a wireless network provided by a communication provider of the PE device 1900.
  • the data transceiver 1930 includes a NIC (Network Interface Controller) that can be connected to other network devices through a base station to communicate with the Internet.
  • data transceiver 1930 includes an RF (Radio Frequency) module configured to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • the solution provided by the embodiment of the present disclosure is configured to perform a single-homing hybrid access configuration, where the MC-LAG is configured, and the PeerLink interface corresponding to the MC-LAG is configured; and the MC-LAG interface is configured and configured on the MC-LAG.
  • the load sharing forwards the unicast packet and broadcasts the received BUM packet, which combines the ESI technology and the MC-LAG Peerlink technology, and sets the filtering and forwarding rules on the basis of the VXLAN domain.
  • the load sharing is performed, and the problem that the BUM packet loopback and/or the BUM packet cannot be received is solved. Therefore, the embodiment of the present disclosure can support the application scenario of single-homing and dual-homing hybrid access.

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Abstract

La présente invention concerne un procédé et un appareil d'accès hybride à simple et double anneau VXLAN, un dispositif PE et un support de stockage. Le procédé comprend : l'exécution d'une configuration d'accès hybride à simple et double anneau, comprenant la configuration d'interface de groupe d'agrégation de liaisons à multiple châssis (MC-LAG) et la configuration d'une interface PeerLink correspondant au MC-LAG ; la configuration d'une identification de segment Ethernet (ESI) de l'interface MC-LAG et d'une règle d'élection d'un expéditeur désigné (DF) ; la liaison de l'interface MC-LAG, de l'interface PeerLink et d'autres interfaces à simple et double anneau à un domaine VXLAN ; et dans un scénario d'accès hybride à simple et double anneau, le partage de charge et l'expédition d'un message d'unidiffusion et la diffusion d'un message BUM reçu dans le domaine VXLAN selon une règle d'expédition de filtration prédéfinie.
PCT/CN2018/077796 2017-04-12 2018-03-01 Procédé et appareil d'accès hybride à simple et double anneau vxlan, dispositif pe et support de stockage WO2018188425A1 (fr)

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Application Number Priority Date Filing Date Title
CN201710236485.8A CN108696416A (zh) 2017-04-12 2017-04-12 一种vxlan单归和双归混合接入方法、装置和pe设备
CN201710236485.8 2017-04-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114679405A (zh) * 2022-04-12 2022-06-28 烽火通信科技股份有限公司 SRv6报文转发方法、存储介质、电子设备及装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109495368B (zh) * 2018-12-19 2021-07-16 锐捷网络股份有限公司 Mac地址转发表的更新方法及网络设备
CN111385182B (zh) * 2018-12-29 2022-04-29 中兴通讯股份有限公司 流量的传输方法及装置，系统
CN110505152B (zh) * 2019-09-11 2022-02-22 迈普通信技术股份有限公司 路由过滤方法、装置及电子设备
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CN112769587B (zh) * 2019-11-05 2024-05-14 中兴通讯股份有限公司 双归设备接入流量的转发方法、设备及存储介质
CN113132221A (zh) 2019-12-31 2021-07-16 华为技术有限公司 一种路由信息的处理方法及装置
CN113132220B (zh) * 2019-12-31 2022-12-06 华为技术有限公司 一种路由信息的处理方法及装置
CN111865779B (zh) * 2020-07-13 2022-08-02 中国联合网络通信集团有限公司 一种路由同步方法及跨设备链路聚合组
CN115514699A (zh) * 2021-06-22 2022-12-23 中兴通讯股份有限公司 一种跨设备链路通信方法、交换机、系统及存储介质
CN115065614B (zh) * 2022-06-22 2023-10-13 杭州云合智网技术有限公司 Vpws多活的业务连通性的识别方法
CN117459453A (zh) * 2022-07-19 2024-01-26 中兴通讯股份有限公司 数据传输方法、运营商边缘设备、计算机可读介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130235876A1 (en) * 2012-03-09 2013-09-12 Cisco Technology, Inc. Managing hierarchical ethernet segments
CN105049373A (zh) * 2015-06-30 2015-11-11 盛科网络（苏州）有限公司 基于aps的mlag切换保护方法
EP2981031A1 (fr) * 2014-07-31 2016-02-03 Arista Networks, Inc. Procédé et système de redondance vtep dans un domaine d'agrégation de liaisons multichassis
CN105493454A (zh) * 2014-05-13 2016-04-13 华为技术有限公司 双活接入多链接透明互联（trill）边缘
CN105743780A (zh) * 2014-12-09 2016-07-06 华为技术有限公司 报文传输方法及装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130235876A1 (en) * 2012-03-09 2013-09-12 Cisco Technology, Inc. Managing hierarchical ethernet segments
CN105493454A (zh) * 2014-05-13 2016-04-13 华为技术有限公司 双活接入多链接透明互联（trill）边缘
EP2981031A1 (fr) * 2014-07-31 2016-02-03 Arista Networks, Inc. Procédé et système de redondance vtep dans un domaine d'agrégation de liaisons multichassis
CN105743780A (zh) * 2014-12-09 2016-07-06 华为技术有限公司 报文传输方法及装置
CN105049373A (zh) * 2015-06-30 2015-11-11 盛科网络（苏州）有限公司 基于aps的mlag切换保护方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114679405A (zh) * 2022-04-12 2022-06-28 烽火通信科技股份有限公司 SRv6报文转发方法、存储介质、电子设备及装置

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