WO2016058483A1 - Association d'un vxlan avec un tunnel - Google Patents

Association d'un vxlan avec un tunnel Download PDF

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Publication number
WO2016058483A1
WO2016058483A1 PCT/CN2015/091210 CN2015091210W WO2016058483A1 WO 2016058483 A1 WO2016058483 A1 WO 2016058483A1 CN 2015091210 W CN2015091210 W CN 2015091210W WO 2016058483 A1 WO2016058483 A1 WO 2016058483A1
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WO
WIPO (PCT)
Prior art keywords
vxlan
tunnel
vtep
notification message
assigned
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PCT/CN2015/091210
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English (en)
Inventor
Jun Yang
Jin Qu
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Hangzhou H3C Technologies Co., Ltd.
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Publication of WO2016058483A1 publication Critical patent/WO2016058483A1/fr

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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
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • 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
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L2012/4629—LAN interconnection over a backbone network, e.g. Internet, Frame Relay using multilayer switching, e.g. layer 3 switching

Definitions

  • each user may be allocated a logic network, which can isolate from other logic networks.
  • the isolation of logic networks may be achieved by a Virtual Extensible Local Area Network (VXLAN) technique, which is an overlay network technique.
  • VXLAN Virtual Extensible Local Area Network
  • FIG. 1 is a schematic flowchart of a method for associating a VXLAN with a tunnel according to an example of the present disclosure.
  • FIG. 2 is a schematic flowchart of a method for associating a VXLAN with a tunnel according to an example of the present disclosure.
  • FIG. 3 is a schematic flowchart of a method for associating a VXLAN with a tunnel according to an example of the present disclosure.
  • FIG. 4 is a schematic flowchart of a method for associating a VXLAN with a tunnel according to an example of the present disclosure.
  • FIG. 5 is a schematic diagram of a structure of a Type-Length-Value (TLV) unit including a VXLAN Network Identifier (VNI) of a VXLAN according to an example of the present disclosure.
  • TLV Type-Length-Value
  • VNI VXLAN Network Identifier
  • FIG. 6 is a schematic diagram of a VXLAN network architecture according to an example of the present disclosure.
  • FIG. 7 is a schematic diagram of a device for associating a VXLAN with a tunnel according to an example of the present disclosure.
  • FIG. 8 is a schematic diagram of a device for associating a VXLAN with a tunnel according to an example of the present disclosure.
  • a VXLAN may be deployed in a data center or other network.
  • a VXLAN Tunnel End Point (VTEP) is responsible for encapsulation and decapsulation of packets in the VXLAN.
  • the VTEP may be a physical switch or a virtual switch.
  • the VXLAN may be identified by a VXLAN Network Identifier (VNI) .
  • VNI VXLAN Network Identifier
  • the length of the VNI may be 24bits.
  • a tunnel may be used to bear VXLAN traffic. After an association between the VXLAN and the tunnel is set up, the VTEP may know which tunnel bears the traffic of which VXLAN.
  • the association may not be successfully established if a relationship between a VXLAN and a tunnel is only recorded at a VTEP located at one end of the tunnel. That is, VTEPs located at both ends of the tunnel may record the relationship between the VXLAN and the tunnel. If a tunnel is associated with a VXLAN at a first VTEP at one end of the tunnel and is not associated with the VXLAN at a second VTEP at another end of the tunnel, traffic of the VXLAN sent from the first VTEP to the second VTEP will not be processed by the second VTEP.
  • a method for associating a VXLAN with a tunnel is provided.
  • the method for associating the VXLAN with the tunnel may be implemented by a VTEP in the VXLAN.
  • the method for associating the VXLAN with the tunnel may include the following processes.
  • the VTEP may acquire pre-set correspondence between VXLANs and tunnels.
  • the VTEP may associate the VXLAN with a tunnel corresponding to the VXLAN, according to the pre-set correspondence.
  • the VXLAN draft standard specifies the number of available VXLANs is about 16 million.
  • the VNI may be expressed by numerical value, in range of 0-16777215.
  • the maximum amount of VXLANs assigned to one VTEP is limited since every time when one VXLAN is assigned, the VTEP may assign a certain amount of memory resources for the VXLAN.
  • the maximum amount of tunnels configured on the VTEP that is, the maximum amount of tunnels supported by the VTEP, may be also limited and is usually less than the maximum amount of the assigned VXLANs.
  • any VXLAN assigned to the VTEP runs via at least one tunnel, namely that is any VXLAN is associated with at least one tunnel.
  • the correspondence between VXLANs and tunnels may be preset, wherein each VXLAN corresponds to at least one tunnel. Accordingly, after one VXLAN is configured at the VTEP, the VXLAN may be associated with at least one corresponding tunnel automatically.
  • each VXLAN may be automatically associated with one tunnel, even if the maximum amount of the VXLAN configured on one VTEP is larger than the maximum amount of the tunnels.
  • the VXLAN cannot be associated with the tunnel automatically.
  • the tunnel with which the VXLAN is associated may be changed by manual configuration.
  • the VXLAN may be associated with a new tunnel, or the VXLAN may be disassociated from the tunnel.
  • the correspondence between VXLANs and tunnels may be preset at the VTEP, and when a VXLAN is configured at the VTEP, the VXLAN may be associated with the corresponding tunnel automatically. Accordingly, automatic association of the VXLAN with the tunnel may be realized, thus reducing human workload and improving association accuracy.
  • the various example of the present disclosure may realize uniform deployment of VXLANs.
  • Another method for associating a VXLAN with a tunnel is provided.
  • the method may be implemented by any VETP in the VXLAN.
  • the method may further include the following processes.
  • a VXLAN set corresponding to a tunnel is assigned to a VTEP, wherein the VXLAN set includes a VXLAN capable of running via the tunnel.
  • a VXLAN set is a set of VXLANs and may include one or more VXLANs.
  • a VXLAN set corresponding to a tunnel includes at least one VXLAN capable of running via the tunnel.
  • the VTEP sends a notification message to a VTEP at another end of the tunnel, wherein the notification message includes the VXLAN set corresponding to the tunnel.
  • the notification message may include a VNI of a VXLAN in the VXLAN set to indicate the VXLAN capable of running via the tunnel.
  • the VTEP may send a notification message to the VTEP at the another end of the tunnel via the tunnel again, wherein the notification message may include a VNI of a VXLAN currently assigned to the VTEP and capable of running the tunnel.
  • any VTEP may receive a notification message from a VTEP (referred to as a second VTEP) in another end of the tunnel.
  • the first VTEP may then perform the following actions.
  • the first VETP may receive a first notification message sent from the second VTEP via the first tunnel, wherein the first notification message may include a first VXLAN set including a VXLAN assigned to the second VTEP and capable of running via the first tunnel.
  • the first VXLAN set may include a VXLAN that has not associated with the first tunnel at the second VTEP and may include a VXLAN that has associated with the first tunnel at the second VTEP.
  • the first VTEP may search for a first VXLAN included in both the first VXLAN set and a second VXLAN set, wherein the second VXLAN set may include a VXLAN assigned to the first VTEP and capable of running via the first tunnel.
  • the first VXLAN set may include a VXLAN that has not associated with the first tunnel at the first VTEP and may include a VXLAN that has associated with the first tunnel at the first VTEP.
  • the first VTEP may associate the first VXLAN with the first tunnel when the first VXLAN is found.
  • the first VTEP may search for a second VXLAN that is currently associated with the first tunnel and is not in the first VXLAN set; and if the second VXLAN is found, the first VTEP disassociates the second VXLAN from the first tunnel at the first VTEP.
  • the first VTEP may send a second notification message to the second VTEP, wherein the second VXLAN notification message includes the changes to the second VXLAN set including a VXLAN currently assigned to the first VTEP and capable of running via the first tunnel.
  • the “changes to the second VXLAM set” may be communicated by sending the entire changed VXLAN set or information relating to the changes to the VXLAN set.
  • the first VTEP and the second VTEP may be any two VTEPs configured with one same tunnel or more same VTEPs.
  • FIG. 4 a method for associating a VXLAN with a tunnel is provided as shown in FIG. 4, which includes the following processes.
  • a first VTEP may receive a message notification sent from a second VTEP via a tunnel, wherein the message notification may include a first VXLAN set and the first VXLAN set may include a VXLAN assigned to the second VTEP and capable of running via the tunnel.
  • the first VTEP may determine whether there is a first VXLAN in both the first VXLAN set and a second VXLAN set; wherein the second VXLAN set may include a VXLAN assigned to the first VTEP and capable of running via the tunnel.
  • block 406 may be performed; if no, block 410 may be performed.
  • the first VTEP may determine whether the first VXLAN has been associated with the tunnel at the first VTEP.
  • block 410 may be performed. If no, block 408 may be performed.
  • the first VTEP may associate the first VXLAN with the tunnel at the first VTEP.
  • the first VTEP may determine whether there is second VXLAN which has been associated with the tunnel and is not in the first VXLAN set. If yes, block 412 may be performed. If no, the method finishes.
  • the first VTEP may disassociate the second VXLAN from the tunnel.
  • an intersection of the first VXLAN set and the second VXLAN set may be acquired. If the intersection is not empty, the VXLANs that belongs to the intersection and has not been associated with the tunnel may be associated with the tunnel. If the acquired intersection is empty and any of all VXLAN capable of running via the tunnel has not been associated with the tunnel, association of the VXLAN belonging to the second VXLAN set with the tunnel via which the VXLAN runs may be not performed.
  • the disassociation of the VXLAN from the tunnel may be performed.
  • the above notification message may be an Intermediate System to Intermediate System (ISIS) Link State Protocol Data Unit (LSP) message or may be other network protocol message.
  • ISIS Intermediate System to Intermediate System
  • LSP Link State Protocol Data Unit
  • an ISIS protocol may be enabled. Then the VTEP may establish a neighboring relationship with a VTEP in another end of each tunnel via the tunnel. Accordingly, the VTEP may encapsulate the VNI of the VXLAN capable of running via the tunnel into an ISIS LSP packet and sends the packet to the VTEP, that is, the ISIS neighbor, at another end of the tunnel via the tunnel.
  • processes at blocks 404-412 may be performed by the VTEP at another end of the tunnel, thus realizing automatic association and disassociation of the VXLAN with the tunnel.
  • the ISIS LSP message may include a header and a body, wherein the body includes one Type-Length-Value (TLV) unit or multiple TLV units.
  • TLV Type-Length-Value
  • the TLV unit may be a newly defined TLV unit and may include the VNI of the VXLAN.
  • the TLV unit may include the following fields.
  • the Type field 501 may represent the type of the TLV unit.
  • the type field may represent that the TLV unit is used for carrying the VNI of the VXLAN if the field has a specific value.
  • the specific value may be 181.
  • the length of the field may be 1 byte.
  • the Length field 502 may represent the length of the Value field.
  • the length of the Length field may be 1 byte.
  • the Value field 503 may represent the VNI of the VXLAN.
  • the length of the field may be 4 ⁇ N bytes, wherein the first byte may be a RESV bite which may be filled with 0, and the last three bytes may be VNI.
  • VXLANs capable of running a tunnel may be pre-set at a VTEP, then the VTEP may send a notification message including the VNIs of the VXLANs capable of running the tunnel to a VTEP at another end of the tunnel via the tunnel. If the VTEP at another end of the tunnel determines that there is a VXLAN in the locally configured VXLANs capable of running via the tunnel and also in the VXLANs indicated by VNIs included in the notification message and determines that the VXLAN has not been associated with the tunnel, the VTEP at another end of the tunnel may associate the VXLAN with the tunnel.
  • the VTEPs at the ends of the tunnels may negotiate the VXLANs that should be associated with the tunnel, thus realizing automatic association of the VXLANs with the tunnel. Accordingly, when there is a large amount of VXLANs and tunnels, configuration complex and configuration workload will be reduced, configuration precision will be improved, thus realizing simple management and maintenance of the VXLANs.
  • the VXLANs capable of running via the tunnel may be pre-configured and the VXLANs associated with the tunnel may be negotiated dramatically, which brings a controllable range of VXLANs for the VTEPs to negotiate and thus realize selective and refined association of the VXLAN with the tunnel.
  • the VTEP may disassociate the VXLAN from the tunnel. Accordingly, when a VXLAN configured the VTEP in one end of the tunnel are removed, disassociation of the removed VXLAN from the tunnel may be performed automatically in the VTEP at the another end of the tunnel.
  • the method for associating the VXLAN with the tunnel may be logic for associating the VXLAN with the tunnel.
  • a method for associating a VXLAN and a tunnel is described with reference to an example network configuration shown in FIG. 6.
  • VTEP 1 may be configured with tunnel 1, tunnel 2, and VXLAN 1-VXLAN 30.
  • the destination IP address of tunnel 1 may be the IP address of VTEP 2
  • the destination IP address of tunnel 2 may be the IP address of VTEP 3.
  • VXLAN 1-VXLAN 20 correspond to tunnel 1, that is, can run via tunnel 1.
  • VXLAN21-VXLAN 30 correspond to tunnel 2, that is, can run via tunnel 2.
  • VTEP 2 may be configured with tunnel 1, tunnel 3, and VXLAN 5-VXLAN 50.
  • the destination IP address of tunnel 1 may be the IP address of VTEP 1
  • the destination IP address of tunnel 3 may be the IP address of VTEP 3.
  • VXLAN5-VXLAN 40 correspond to tunnel 1, that is, can run via tunnel 1.
  • VXLAN41-VXLAN 50 correspond to tunnel 3, that is, can run via tunnel 3.
  • VTEP 3 may be configured with tunnel 2, tunnel 3, and VXLAN 10-VXLAN 40.
  • the destination IP address of tunnel 2 may be the IP address of VTEP 1
  • the destination IP address of tunnel 3 may be the IP address of VTEP 2.
  • VXLAN10-VXLAN 30 correspond to tunnel 2, that is, can run via tunnel 2
  • VXLAN31-VXLAN 40 correspond to tunnel 3, that is, can run via tunnel 3.
  • VTEP 1 may establish an ISIS neighboring relationship with VTEP 2 via tunnel 1, and may establish an ISIS neighboring relationship with VTEP 3 via tunnel 2.
  • VTEP 2 may establish an ISIS neighboring relationship with VTEP 1 via tunnel 1 and may establishes an ISIS neighboring relationship with VTEP 3 via tunnel 3.
  • VTEP 3 may establish an ISIS neighboring relationship with VTEP 1 via tunnel 2 and may establish an ISIS neighboring relationship with VTEP 2 via tunnel 3.
  • VTEP 1 and VTEP 2 may send an ISIS LSP message to each other.
  • VTEP 1 may send the ISIS LSP message including the VNI of each VXLAN of VXLAN 1-VXLAN 20 via tunnel 1 to VTEP 2.
  • VTEP 2 may send the ISIS LSP message including the VNI of each VXLAN of VXLAN 5-40 to VTEP 1 via tunnel 1 to VTEP 1.
  • VTEP 2 may determine that the VINs of VXLAN 5-VXLAN 20 in VXLANs assigned to VTEP 2 for tunnel 1 are carried in the ISIS LSP message and VXLAN 5-VXLAN 20 has not been associated with tunnel 1, then VTEP 2 may associate VXLAN 5-VXLAN 20 with tunnel 1.
  • VTEP 1 may determine that the VINs of VXLAN 5-VXLAN 20 in VXLANs assigned to VTEP 1 for tunnel 1 are carried in the ISIS LSP message and VXLAN 5-VXLAN 20 has not been associated with tunnel 1, then VTEP1 may associate VXLAN 5-VXLAN 20 with tunnel 1.
  • VTEP 1 and VTEP 3 may send an ISIS LSP message to each other.
  • VTEP 1 may send the ISIS LSP message including the VNI of each VXLAN of VXLAN 21-VXLAN 30 via tunnel 2 to VTEP 3.
  • VTEP 3 may send the ISIS LSP message including the VNI of each VXLAN of VXLAN 10-30 to VTEP 1 via tunnel 2 to VTEP 1.
  • VTEP 3 may determine that the VINs of VXLAN 21-VXLAN 30 in VXLANs assigned to VTEP 3 for tunnel 2 are carried in the ISIS LSP message and VXLAN 21-VXLAN 30 has not been associated with tunnel 1, then VTEP 3 may associate VXLAN 21-VXLAN 30 with tunnel 2.
  • VTEP 1 may determine that the VINs of VXLAN 21-VXLAN 30 in VXLANs assigned to VTEP 1 for tunnel 2 are carried in the ISIS LSP message and VXLAN 21-VXLAN 30 has not been associated with tunnel 2, then VTEP1 associates VXLAN 21-VXLAN 30 with tunnel 2.
  • VTEP 2 and VTEP 3 may send an ISIS LSP message to each other.
  • VTEP 2 may send the ISIS LSP message including the VNIs of VXLAN 41-VXLAN 50 via tunnel 3 to VTEP 3.
  • VTEP 3 may send the ISIS LSP message including the VNIs of VXLAN 31-VLAN 40 via tunnel 3 to VTEP 2.
  • VTEP 3 may determine that there is no same VXLAN between VXLAN 31-VXLAN 40 assigned to VTEP 3 for tunnel 3 and the VXLANs indicated by VNIs included in the ISIS LSP message, and VTEP 3 does not associate any VXLAN of VXLAN 31-VXLAN 40 with tunnel 3.
  • VTEP 2 may determine that there is no same VXLAN between VXLAN 41-VXLAN 50 assigned to VTEP 2 for tunnel 3 and the VXLANs indicated by VNIs included in the ISIS LSP message, and VTEP 2 does not associate any VXLAN of VXLAN 31-VXLAN 40 with tunnel 3.
  • VTEP 1 may send the ISIS LSP message including VNIs of VXLAN 1-VXLAN9 and VXLAN 11-VXLAN 20 to VTEP 2 via tunnel 1.
  • VTEP 2 may determine that the VNIs of VXLAN 5-VXLAN 9 and VXLAN 11-VXLAN 20 locally configured for tunnel 1 are carried in the ISIS LSP message and VXLAN 5-VLAN 9 and VXLAN 11-VXLAN 20 has been associated with tunnel 1, thus association between VXLAN5 ⁇ VXLAN9 and VXLAN11 ⁇ VXLAN2 and tunnel may be not performed again.
  • VTEP 2 may determine that the VNI of VXLAN 10 in the locally configured VXLANs capable of running via tunnel 1 may be not carried in the ISIS LSP message, VTEP 2 may disassociate the VXLAN from tunnel 1.
  • FIG. 7 shows a VTEP for associating a VXLAN with a tunnel , wherein the VTEP may be a first VTEP.
  • the apparatus may include a non-transitory storage medium 620 and a processor 610, wherein the non-transitory storage medium 620 may store machine readable instructions executable by the processor.
  • the VTEP may further include internal bus 630 and the network interface 640, wherein the processor 610, the non-transitory storage medium 620 and the network interface 640 are interconnected via the internal bus 630, and the network interface 640 is used to receive information from other devices and send information to other devices such as a second VTEP.
  • the instructions may be to:
  • VTEP VXLAN Tunnel Terminal
  • the search for a first VXLAN included in both the first VXLAN set and a second VXLAN set wherein the second VXLAN set includes a VXLAN assigned to the first VTEP and capable of running via the first tunnel;
  • the apparatus for associating the VXLAN with the tunnel may be the first VTEP, or may be device connected with the first VTEP.
  • the instructions may be further to search for a second VXLAN that is currently associated with the first tunnel and is not included in the first VXLAN set;
  • the machine readable instructions may be further to send a second notification message to the second VTEP, in response to a determination that the second VXLAN set changes, wherein the second VXLAN notification message includes the changes to the second VXLAN set including a VXLAN currently assigned to the first VTEP and capable of running via the first tunnel.
  • the first notification message may an Intermediate System to Intermediate System (ISIS) Link State Protocol Data Unit (LSP) message.
  • ISIS Intermediate System to Intermediate System
  • LSP Link State Protocol Data Unit
  • the ISIS LSP message may include a Type-Length-Value (TLV) unit including a Type field, a Length field and a Value field;
  • TLV Type-Length-Value
  • Type field represents that the TLV unit includes a VXLAN Network Identifier (VNI) of a VXLAN in the first VXLAN set;
  • VNI VXLAN Network Identifier
  • the Length field represents length of the Value field
  • the Value field represents a VNI of each VXLAN in the first VXLAN set.
  • a non-transitory storage medium comprising machine readable instructions executable by a processor to: receive a first notification message sent from a second VXLAN Tunnel Terminal (VTEP) via a first tunnel, wherein the first notification message includes a first VXLAN set indicating a VXLAN assigned to the second VTEP and capable of running via the first tunnel;
  • VTEP VXLAN Tunnel Terminal
  • the search for a first VXLAN included in both the first VXLAN set and a second VXLAN set wherein the second VXLAN set includes a VXLAN assigned to the first VTEP and capable of running via the first tunnel;
  • machine readable instructions are further to:
  • machine readable instructions are further to:
  • the second VXLAN notification message includes the changes to the second VXLAN set including a VXLAN currently assigned to the first VTEP and capable of running via the first tunnel.
  • the first notification message may be an Intermediate System to Intermediate System (ISIS) Link State Protocol Data Unit (LSP) message.
  • ISIS Intermediate System to Intermediate System
  • LSP Link State Protocol Data Unit
  • the ISIS LSP message includes a Type-Length-Value (TLV) unit including a Type field, a Length field and a Value field;
  • TLV Type-Length-Value
  • Type field represents that the TLV unit includes a VXLAN Network Identifier (VNI) of a VXLAN in the first VXLAN set;
  • VNI VXLAN Network Identifier
  • the Length field represents length of the Value field
  • the Value field represents a VNI of each VXLAN in the first VXLAN set.
  • VXLANs capable of running a tunnel are pre-set at a VTEP, then the VTEP may send a notification message including the VNIs of the VXLANs capable of running the tunnel to a VTEP at another end of the tunnel via the tunnel. If the VTEP at another end of the tunnel determines that there is a VXLAN in the locally configured VXLNs capable of running via the tunnel and also in the VXLANs indicated by VNIs included in the notification message and determines that the VXLAN has not been associated with the tunnel, the VTEP at another end of the tunnel may associate the VXLAN with the tunnel.
  • the VTEPs at the ends of the tunnels may negotiate the VXLANs that should be associated with the tunnel, thus realizing automatic association of the VXLANs with the tunnel. Accordingly, when there is a large amount of VXLANs and tunnels, configuration complex and configuration workload will be reduced, configuration precision will be improved, thus realizing simple management and maintenance of the VXLANs.
  • the VXLANs capable of running via the tunnel may be pre-configured and the VXLANs associated with the tunnel may be negotiated dramatically, which brings a controllable range of VXLANs for the VTEPs to negotiate and thus realize selective and refined association of the VXLAN with the tunnel.
  • the VTEP may disassociate the VXLAN from the tunnel. Accordingly, when a VXLAN configured the VTEP in one end of the tunnel are removed, disassociation of the removed VXLAN from the tunnel may be performed automatically in the VTEP at the another end of the tunnel.
  • FIG. 8 shows an apparatus for associating a VXLAN with a tunnel.
  • the apparatus may include a non-transitory storage medium 720 and a processor710, wherein the non-transitory storage medium 620 may store machine readable instructions executable by the processor.
  • the VTEP may further include internal bus 730 and the network interface 740, wherein the processor 710, the non-transitory storage medium 720 and the network interface 740 are interconnected via the internal bus 730, and the network interface 740 is used to receive information from other devices and send information to other devices.
  • machine readable instructions may be to:
  • a storage medium comprising machine readable instructions executable by a processor to:

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Abstract

L'invention concerne, selon un exemple, un VXLAN qui peut être associé à un tunnel. Un premier VTEP peut recevoir un premier message de notification, envoyé par un second VTEP par le biais d'un premier tunnel, le premier message de notification pouvant inclure un premier ensemble VXLAN indiquant un VXLAN attribué au second VTEP et susceptible de s'exécuter par le biais du premier tunnel; le premier VTEP peut rechercher un premier VXLAN inclus dans le premier ensemble de VXLAN et dans un second ensemble de VXLAN, le second ensemble de VXLAN pouvant inclure un VXLAN attribué au premier VTEP et susceptible de s'exécuter par le biais du premier tunnel; et en réponse à une détermination que le premier VXLAN n'est pas associé au premier tunnel, le premier VTEP peut associer le premier VXLAN avec le premier tunnel lorsque le premier VXLAN est trouvé.
PCT/CN2015/091210 2014-10-16 2015-09-30 Association d'un vxlan avec un tunnel WO2016058483A1 (fr)

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CN106656722A (zh) * 2016-12-12 2017-05-10 杭州迪普科技股份有限公司 一种vxlan组播方法和装置
CN108234270B (zh) * 2016-12-21 2020-07-07 中国电信股份有限公司 实现虚拟可扩展局域网多域并存的方法和系统
CN106878065B (zh) * 2017-01-18 2021-06-11 新华三技术有限公司 一种分布式聚合系统的配置方法及装置
CN108471629B (zh) * 2017-02-23 2021-04-20 华为技术有限公司 传输网络中业务服务质量的控制方法、设备及系统
CN107135134B (zh) * 2017-03-29 2019-09-13 广东网金控股股份有限公司 基于虚拟交换机和sdn技术的私用网络接入方法和系统
CN109728990A (zh) * 2017-10-31 2019-05-07 中兴通讯股份有限公司 一种隧道的建立方法、装置和软件定义网络控制器
CN108712344B (zh) * 2018-03-22 2019-09-06 新华三信息安全技术有限公司 一种报文转发方法和网络设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103780470A (zh) * 2014-01-03 2014-05-07 杭州华三通信技术有限公司 一种is-is的信息同步方法和装置
US20140146817A1 (en) * 2012-11-29 2014-05-29 Futurewei Technologies, Inc. System and Method for VXLAN Intern-Domain Communications
CN103841028A (zh) * 2014-03-24 2014-06-04 杭州华三通信技术有限公司 一种报文转发方法及设备
CN104104747A (zh) * 2014-07-28 2014-10-15 杭州华三通信技术有限公司 报文传输方法及装置
CN104243268A (zh) * 2014-09-19 2014-12-24 杭州华三通信技术有限公司 Vxlan与隧道的关联方法及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4732974B2 (ja) * 2006-07-27 2011-07-27 株式会社日立製作所 パケット転送制御方法およびパケット転送装置
US8751615B2 (en) * 2012-07-18 2014-06-10 Accedian Networks Inc. Systems and methods of discovering and controlling devices without explicit addressing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140146817A1 (en) * 2012-11-29 2014-05-29 Futurewei Technologies, Inc. System and Method for VXLAN Intern-Domain Communications
CN103780470A (zh) * 2014-01-03 2014-05-07 杭州华三通信技术有限公司 一种is-is的信息同步方法和装置
CN103841028A (zh) * 2014-03-24 2014-06-04 杭州华三通信技术有限公司 一种报文转发方法及设备
CN104104747A (zh) * 2014-07-28 2014-10-15 杭州华三通信技术有限公司 报文传输方法及装置
CN104243268A (zh) * 2014-09-19 2014-12-24 杭州华三通信技术有限公司 Vxlan与隧道的关联方法及装置

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