CN106161248B - Message forwarding method and device in a kind of VXLAN network - Google Patents
Message forwarding method and device in a kind of VXLAN network Download PDFInfo
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Abstract
The invention discloses message forwarding method and devices in a kind of VXLAN network, this method comprises: when VTEP is as main equipment in aggregate set, after the MAC Address for learning local subscriber apparatus, by protocol massages, into VXLAN example, the tunnel VXLAN opposite end VTEP notices the MAC Address and the corresponding GROUP ID of main equipment of the user equipment, so that opposite end VTEP saves the MAC Address of the user equipment and the corresponding relationship of GROUP ID, it wherein, is equative route between the tunnel established with the VETP in same GROUP ID；When the data message for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP reaches the slave equipment in aggregate set, then main equipment receives the data message from device forwards, is searched according to target MAC (Media Access Control) address, is sent to local subscriber apparatus.Multipath to realize opposite end VTEP to local data center is shared.
Description
Technical field
The present invention relates to network communication technology field, in particular to message forwarding method and device in a kind of VXLAN network.
Background technique
VXLAN is a kind of MAC-in-UDP technology, it passes through 2.5 layers of setting, one new network segmentation mould in network
Formula, joined the segment identifier of a 24bit, greatly expand the number for the logical network that can be supported in cloud computing environment
Amount；And workload and physical network are detached from, realize that logical network crosses over IP network.
VXLAN networking schematic diagram is as shown in Figure 1 at present.(encapsulation decapsulation VXLAN is set virtual channel terminal (VTEP) equipment
It is standby), it can be the virtual switch (vSwitch) of physical server, be also possible to physical switches.VTEP10 and VTEP11 exist
Access VXLAN network in data center 1, VTEP2 accesses VXLAN network in data center 2, same in current VXLAN network
There are when two VTEP equipment in a data center 1, the mode that two VTEP equipment cannot be backed up mutually simultaneously accesses VXLAN net
Network can not form backup in whole network.Network is accessed simultaneously, and accesses VXLAN network in a manner of independent, far
End VTEP2 equipment when accessing two VTEP is accessed with individual equipment, cannot be using this two VTEP as an equative route
Access.
Summary of the invention
The object of the present invention is to provide message forwarding method and devices in a kind of VXLAN network, realize access VTEP
Backup, reached the load balancing based on VXLAN example, at the same realize distal end VTEP to local data center multipath
It shares, improves the utilization rate of public network network.
The embodiment of the invention provides message forwarding method in a kind of VXLAN network, same data center it is multiple virtual
Channel end VTEP has identical and unique polymerization set identifier GROUP ID, this method comprises: when VTEP is as in aggregate set
Main Master equipment when, after learning the MAC Address of local subscriber apparatus, by protocol massages into VXLAN example VXLAN
Tunnel opposite end VTEP notices the MAC Address and the corresponding GROUP ID of Master of the user equipment, so that opposite end VTEP is saved
The MAC Address of the user equipment and the corresponding relationship of GROUP ID, wherein the tunnel established with the VETP in same GROUP ID
Between be equative route；When the data message for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP reaches in aggregate set
From equipment, then Master receives the data message from device forwards, is searched according to target MAC (Media Access Control) address, is sent to local use
Family equipment.
The embodiment of the invention also provides message forwarding methods in a kind of VXLAN network, are applied to the tunnel VXLAN opposite end
VTEP, this method comprises: opposite end VTEP is with receiving the carrying local subscriber apparatus MAC that the main equipment Master in aggregate set is sent
The protocol massages of location and the corresponding GROUP ID of Master；Opposite end VTEP saves the MAC Address and GROUP of the user equipment
The corresponding relationship of ID, wherein be equative route between the tunnel established with the VETP in same GROUP ID；When opposite end VTEP sheet
When ground receives the data message that target MAC (Media Access Control) address is the user equipment, according to the corresponding relationship, select one it is of equal value
The tunnel VXLAN outgoing interface is forwarded to the VTEP in the data center.
The embodiment of the invention also provides apparatus for forwarding message in a kind of VXLAN network, multiple void of same data center
Quasi- channel end VTEP has identical and unique polymerization set identifier GROUP ID, when VTEP is as the main Master in aggregate set
When equipment, which includes: notification unit, after the MAC Address for learning local subscriber apparatus, by protocol massages to
The tunnel VXLAN opposite end VTEP notices the MAC Address and the corresponding GROUP ID of Master of the user equipment in VXLAN example,
So that opposite end VTEP saves the MAC Address of the user equipment and the corresponding relationship of GROUP ID, wherein in same GROUP ID
VETP establish tunnel between be equative route；Retransmission unit is forwarded to notebook data for working as from the tunnel VXLAN opposite end VTEP
The data message at center reaches the slave equipment in aggregate set, then the data message from device forwards is received, according to purpose MAC
Address search is sent to local subscriber apparatus.
The embodiment of the invention also provides apparatus for forwarding message in a kind of VXLAN network, are applied to the tunnel VXLAN opposite end
VTEP, the device include: receiving unit, for receiving the carrying local subscriber apparatus of the transmission of the main equipment Master in aggregate set
The protocol massages of MAC Address and the corresponding GROUP ID of Master；Storage unit, for saving the MAC of the user equipment
The corresponding relationship of location and GROUP ID, wherein be equative route between the tunnel established with the VETP in same GROUP ID；Place
Unit is managed, for being closed according to the correspondence when local reception to target MAC (Media Access Control) address is the data message of the user equipment
System selects the tunnel a VXLAN outgoing interface of equal value to be forwarded to the VTEP in the data center.
The beneficial effects of the present invention are, same aggregate set is added in the VTEP equipment in same data center, mutually it
Between constitute alternate device access VXLAN network.Main equipment is elected in aggregate set and from equipment, backup is acted on from equipment.Far
End VTEP can be selected to the path of aggregate set by bi-conditional operation, to realize the multipath point of aggregate set
Load.
Detailed description of the invention
Fig. 1 is VXLAN networking schematic diagram；
Fig. 2 is the flow diagram of message forwarding method in a kind of VXLAN network provided by the invention；
Fig. 3 is application of embodiment of the present invention networking scene schematic diagram；
Fig. 4 is the structural schematic diagram of apparatus for forwarding message in a kind of VXLAN network provided in an embodiment of the present invention；
Fig. 5 is apparatus for forwarding message in a kind of VXLAN network provided in an embodiment of the present invention, when VTEP is as VXLAN tunnel
The structural schematic diagram of road opposite end VTEP.
Specific embodiment
Referring to the drawings, the embodiment of the present invention is described in further detail.
As shown in Fig. 2, the present invention provides message forwarding method in a kind of VXLAN network, same data center it is multiple
Virtual channel terminal VTEP has identical and unique GROUP ID, this method comprises:
Step 21, when VTEP is as master (Master) equipment in aggregate set, learn the MAC Address of local subscriber apparatus
Later, by protocol massages into VXLAN example the tunnel VXLAN opposite end VTEP notice the user equipment MAC Address and
The corresponding GROUP ID of Master, so that opposite end VTEP saves the MAC Address of the user equipment and the corresponding relationship of GROUP ID,
It wherein, is equative route between the tunnel established with the VETP in same GROUP ID；
Step 22, when be forwarded to from the tunnel VXLAN opposite end VTEP notebook data center data message reach aggregate set in
From equipment, then Master receives the data message from device forwards, is searched according to target MAC (Media Access Control) address, is sent to local use
Family equipment.
Master in the data message arrival aggregate set for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP,
Then Master is searched according to target MAC (Media Access Control) address, is sent to local subscriber apparatus.
Before message forwarding, the tunnel VXLAN in the election of Master and VXLAN example is needed to carry out in aggregate set
Creation, then implement are as follows:
Each VTEP in VXLAN example carries own IP address and said polymeric set identifier, sends registration to ENDS and asks
Message is sought, so that the VTEP in same polymeric collection is carried out Master election by ENDS, selects one of VTEP equipment as this
Master equipment in aggregate set.
Each VTEP in VXLAN example receives each VTEP IP address of carrying, the said polymeric set identifier that ENDS is sent
And the registration reply message of locating role；The creation in the tunnel VXLAN is triggered according to registration information.VTEP in VXLAN example
It include: in VTEP and this aggregate set in VXLAN example according to the method that registration information triggers the creation in the tunnel VXLAN
Master establishes the tunnel VXLAN；The tunnel VXLAN is established with each VTEP in other aggregate sets, the VTEP in VXLAN example
The tunnel the VXLAN of equal value outgoing interface between each VTEP in upper formation and other aggregate sets.
Message forwarding side in VXLAN network of the present invention is further illustrated below by the embodiment of the present invention one and embodiment two
Method.Fig. 3 is that the embodiment of the present invention one and embodiment two apply networking scene schematic diagram.
Embodiment one
Firstly, ENDS (EVI neighbours have found server) receives ENDC's (EVI neighbours have found client) in VXLAN example
ENDC in same polymeric collection is carried out Master election, selects one of them by registration information according to the registration information of each ENDC
VTEP equipment is all out of (Backup) equipment, aggregate set as master (Master) equipment in aggregate set, other equipment
Master equipment is responsible for other being advertised to the user's MAC address at notebook data center with ESADI protocol massages in VXLAN example
VTEP remote equipment.
Wherein, when configuring VXLAN example, it is also in the VXLAN example that ENDS, ENDS can be specified in VXLAN example
A VTEP equipment, other VTEP equipment be ENDC.ENDC passes through ENDP (EVI Neighbor Discovery
Protocol, EVI Neighbor Discovery Protocol) registration request message actively registered to ENDS, all ENDC are registered letter by ENDS
Breath is advertised to ENDC by the registration reply message timing of ENDP.
When, there are when multiple VTEP access devices, these VTEP equipment can be by way of backup in same data center
VXLAN network is accessed, the VTEP equipment mutually backed up can will be constituted in these same data centers, the same polymerization is added
It concentrates, each aggregate set is identified using a GROUP ID, the static specified affiliated aggregate set in each VTEP equipment
GROUP ID, identical aggregate set must specify identical GROUP ID number, and the GROUP ID in the same VXLAN example is necessary
Uniquely, multiple aggregate sets are allowed in a VXLAN example, but a VTEP equipment can only in a VXLAN example
Uniquely belong to an aggregate set, does not allow to exist simultaneously in multiple aggregate sets.The multiple VXLAN of one VTEP device configuration are real
When example, it can reside in the aggregate set of each example.
EDNP registration request message and ENDP registration reply message, are referred to as ENDP logon message, carry the IP of ENDC
Address, affiliated GROUP ID, locating role (Master or Backup).Specifically, ENDC is affiliated by own IP address
GROUP ID, which is carried, to be registered in EDNP registration request message to ENDS, and ENDS receives the EDNP registration that each ENDC is sent and asks
After seeking message, the registration information of each ENDC is saved, and elects Master equipment, it is logical by ENDP registration reply message timing
It accuses to all ENDC, the IP address of each ENDC, affiliated GROUP ID and locating role is carried in registration reply message.
Next, after the VTEP equipment in VXLAN network introduces the concept of GROUP by ENDP agreement, each VTEP
Which can grasp in network in member device and each aggregate set there are ENDC aggregate set, in each aggregate set
Master equipment.VTEP equipment triggers the creation in the tunnel VXLAN after learning to ENDC equipment.
Wherein, the member device in a VTEP equipment and each ENDC aggregate set establishes the tunnel VXLAN, these tunnels
Outgoing interface is tunnel outgoing interface of equal value.It can pass through from the message of VTEP device forwards one member device into aggregate set
Any one tunnel outgoing interface forwarding of equal value, after message reaches the VTEP equipment in aggregate set, the VTEP equipment can bullet fall tunnel
The tunnel message packaging V XLAN is sent to the Master equipment at notebook data center again behind road, by Master equipment by message most
It is transmitted to the user side access device of data center eventually.
Each member device in ENDC aggregate set requires to establish the tunnel VXLAN, Backup member with Master equipment
Between do not need to establish the tunnel VXLAN, Backup member directly abandons when receiving message from user side equipment, flanks from public network
Bullet falls the tunnel VXLAN head and the again tunnel packaging V XLAN when receiving VXLAN tunnel packet, forwards the message to Master equipment,
Master equipment bullet falls to forward the message to behind the tunnel VXLAN the customer access equipment of local data center.
Master equipment is the main entrance that notebook data central user effluent amount enters public network, and all user side flows all pass through
Master is forwarded to public network side.Public network effluent amount also enters user side eventually by Master equipment simultaneously.
When the Master equipment in aggregate set breaks down, registration information is not sent to ENDS at the appointed time,
Then ENDS can select a Master equipment again for the aggregate set, updated ENDP registration reply message is sent to all
VTEP equipment.VTEP equipment in aggregate set creates the tunnel VXLAN according to newly assigned Master.Distal end VTEP equipment is providing
It is not received by the keep alive Packet of failure Master in time, then deletes and is connect with the tunnel VXLAN of failure Master, Xiang Ju
Remaining VTEP device forwards message in intersection.
When the Master equipment and user's sidelinks exception in aggregate set, Master equipment is actively originally set to ENDS notice
Standby user sidelinks failure specifically carries the IP address of this equipment, affiliated GROUP ID, Yi Jitong in ENDP notification packet
It accuses reason (User Error).At this time ENDS also can retriggered Master selection operation, in time to all ENDC notice
The registration information of ENDC.When Master equipment not failure power down itself, only when user side interface failure, distal end VTEP is set
It is standby not perceive this event, message is sent still through the tunnel VXLAN outgoing interface of equal value, local VTEP receives VXLAN tunnel
Message Master new in aggregate set can be transmitted to again after road message to be forwarded.
According to foregoing description, the embodiment of the present invention just like in VXLAN network shown in Fig. 3, VTEP10, VTEP11 and
VTEP12 accesses VXLAN network in data center 1, and VTEP2 accesses VXLAN network in data center 2, and VTEP3 is in data
VXLAN network is accessed in center 3.Identical VXLAN example 1 is created on VTEP10, VTEP11, VTEP12, VTEP2 and VTEP3,
User equipment PC10, PC11, PC12, PC13, PC20 and PC30 belong to same VXLAN example 1.VTEP10, VTEP11 and
VTEP12, which passes through, hangs user equipment PC10, PC11, PC12 and PC13 under Layer 2 switch；User equipment PC20 is hung under VTEP2；
User equipment PC30 is hung under VTEP3.The VTEP10 of aggregate set is used as Mater equipment by electing in data center 1, in aggregate set
Other equipment VTEP11, VTEP12 be used as Backup equipment.The tunnel VXLAN is established between VTEP10 and VTEP11,
The tunnel VXLAN is established between VTEP10 and VTEP12, VTEP2 establishes the tunnel VXLAN with VTEP10,11,12 respectively, and VTEP3 divides
The tunnel VXLAN is not established with VTEP10,11,12.
It is illustrated by taking the communication between PC10 and PC30 as an example below.
1) user equipment PC10 issues the MAC Address of ARP request message request PC30.
2) VTEP10 receives the ARP request message of PC10 transmission as Master, executes source MAC study and purpose
MAC is searched.
The MAC Address MAC10 of VTEP10 study user equipment PC10.
VTEP10 broadcasts ARP request message in VXLAN example, and by the tunnel VXLAN, ARP request message is carried out
VXLAN tunnel encapsulation is sent to VTEP2 and VTEP3.The technology of VXLAN tunnel encapsulation with it is existing identical, details are not described herein.
When VTEP10 notices MAC10 to VTEP2 by protocol massages, 1 and of MAC10, VXLAN is carried in notice message
The affiliated GROUP ID of VTEP10.
When VTEP10 notices MAC10 to VTEP3 by protocol massages, 1 and of MAC10, VXLAN is carried in notice message
The affiliated GROUP ID of VTEP10.
The step Notable, VTEP10 will not again the VTEP11 by ARP request message into same aggregate set and
VTEP12 broadcast.VTEP11 and VTEP12 abandons the ARP request message after receiving the ARP request message that PC10 is sent.
3) when VTEP2 receives the VXLAN tunnel packet for encapsulating ARP request message, solution VXLAN tunnel encapsulation is carried out,
By the ARP request message after decapsulation, broadcasted in local VXLAN example, ARP request message is broadcast to PC20 equipment.
It is determining that there is identical GROUP ID also with VTEP10 after VTEP2 receives the notice message of VTEP10 transmission
VTEP11 and VTEP12, therefore MAC10 is stored in the corresponding mac address table of VXLAN example, outgoing interface is of equal value
The tunnel VXLAN outgoing interface is VTEP2 and VTEP10, VTEP2 and VTEP11, the VXLAN tunnel between VTEP2 and VTEP12 respectively
Road outgoing interface.
When VTEP3 receives the VXLAN message for encapsulating ARP request message, solution VXLAN tunnel encapsulation is carried out, will be unsealed
ARP request message after dress is broadcasted in local VXLAN example, and ARP request message is broadcast to PC30 equipment.
It is determining that there is identical GROUP ID also with VTEP10 after VTEP3 receives the notice message of VTEP10 transmission
VTEP11 and VTEP12, therefore MAC10 is stored in the corresponding mac address table of VXLAN example, outgoing interface is of equal value
The tunnel VXLAN outgoing interface is VTEP3 and VTEP10, VTEP3 and VTEP11, the VXLAN tunnel between VTEP3 and VTEP12 respectively
Road outgoing interface.
4) PC30 receives ARP request message, learns the ARP of user equipment PC10, generates arp reply message, wherein ARP
The target MAC (Media Access Control) address of response message is the MAC Address MAC10 of user equipment PC10；
5) VTEP3 receives arp reply message, executes source MAC study and purpose MAC is searched.
The MAC Address MAC30 of VTEP3 study PC30.
VTEP3 executes purpose MAC and searches, and acquisition MAC10 outgoing interface is the equivalence tunnel VXLAN outgoing interface, is transported by equivalence
It is forwarded after calculation from the outgoing interface of VTEP3 and VTEP11.Therefore, arp reply message is carried out VXLAN tunnel encapsulation by VTEP3, is passed through
The VXLAN message for encapsulating arp reply message is sent VTEP11 by the tunnel VXLAN.
Carried when VTEP3 notices MAC30 to VTEP10,11,12 by protocol massages, in notice message MAC30,
VXLAN1。
6) VTEP11 receives the VXLAN tunnel packet for encapsulating arp reply message, carries out solution VXLAN tunnel encapsulation, and
The tunnel VXLAN in encapsulation between VTEP11 and VTEP10, forwards the message to VTEP10；
VTEP10 decapsulates the tunnel VXLAN after receiving, and forwards the packet to Customer Premises Network.
After VTEP10 receives the notice message of VTEP3 transmission, MAC30 is stored in the corresponding MAC Address of VXLAN example
In table, outgoing interface is the tunnel VXLAN.
After VTEP11 receives the notice message of VTEP3 transmission, MAC30 is stored in the corresponding MAC Address of VXLAN example
In table, outgoing interface is the tunnel VXLAN.
After VTEP12 receives the notice message of VTEP3 transmission, MAC30 is stored in the corresponding MAC Address of VXLAN example
In table, outgoing interface is the tunnel VXLAN.
7) user equipment PC10 receives arp reply message, learns the MAC Address of PC30.
8) after user equipment PC10 and PC30 obtains the MAC Address of other side respectively, IP unicast message will be sent between the two
It is communicated.
9) after as the VTEP10 local reception to data message of master, purpose MAC lookup is carried out, determines the datagram
The target MAC (Media Access Control) address of text is MAC30, obtains VXLAN tunnel of the MAC30 outgoing interface between VTEP3 and VTEP10.
Data message is carried out VXLAN tunnel encapsulation by VTEP10, is sent to VTEP3 by the tunnel VXLAN.
VTEP3 decapsulates the tunnel VXLAN after receiving, and by the PC30 of data message forwarding to Customer Premises Network.
10) after VTEP3 local reception to data message, purpose MAC lookup is carried out, determines the purpose MAC of the data message
Address is MAC10, and obtaining MAC10 outgoing interface is the tunnel VXLAN outgoing interface of equal value, by after bi-conditional operation from VTEP3 and
The outgoing interface of VTEP11 forwards.Therefore, data message is carried out VXLAN tunnel encapsulation by VTEP3, is sent to by the tunnel VXLAN
VTEP11。
VTEP11 receives VXLAN tunnel packet, carries out solution VXLAN tunnel encapsulation, and encapsulates upper VTEP11 and VTEP10
Between the tunnel VXLAN, by data message forwarding to VTEP10.
VTEP10 decapsulates the tunnel VXLAN after receiving, and by the PC10 of data message forwarding to Customer Premises Network.
So far, the communication between PC10 and PC30 is completed.
It can thus be seen that same aggregate set is added in the VTEP equipment in data center 1, backup is constituted between each other and is set
Standby access VXLAN network.Main equipment is elected in aggregate set and from equipment, backup is acted on from equipment, when master-failure,
Main equipment is re-elected in a slave device.Master equipment is the main entrance that notebook data central user effluent amount enters public network, institute
There is user's effluent amount all to pass through Master and is forwarded to public network side.Public network effluent amount also enters use eventually by Master equipment simultaneously
Family side.In this way, ensure that the symmetry of flow, and avoids and become due to entering public network or entering the VTEP equipment of user side
Layer 2 switch needs the problem of constantly carrying out MAC Address migration caused by change.Distal end VTEP3 is to the path of data center 1
It can be selected by bi-conditional operation, so that the multipath for realizing data center 1 is shared.
In addition, different VTEP equipment should be selected as Master for different VXLAN examples, it is ensured that network
In customer flow according to VXLAN example realize load balancing.It is illustrated below by embodiment two.
Embodiment two
In the VXLAN network as shown in Figure 3 of the embodiment of the present invention two, VTEP10, VTEP11 and VTEP12 are in data center 1
Interior access VXLAN network, VTEP2 access VXLAN network in data center 2, and VTEP3 accesses VXLAN net in data center 3
Network.VTEP10, VTEP11 and VTEP12, which pass through, hangs user equipment PC10, PC11, PC12 and PC13 under Layer 2 switch；VTEP2
Lower extension user equipment PC20；User equipment PC30 is hung under VTEP3.It is created on VTEP10, VTEP11, VTEP12, VTEP2 and VTEP3
Identical VXLAN example 1 is built.Meanwhile identical VXLAN is further created on VTEP10, VTEP11, VTEP12, VTEP2 and VTEP3
Example 2.
User equipment PC10, PC11 are connected on VTEP10 by user side interface, belong to VXLAN example 1.
User equipment PC10, PC11 are connected on VTEP11 by user side interface, belong to VXLAN example 1.
User equipment PC10, PC11 are connected on VTEP12 by user side interface, belong to VXLAN example 1.
User equipment PC12, PC13 are connected on VTEP10 by user side interface, belong to VXLAN example 2.
User equipment PC12, PC13 are connected on VTEP11 by user side interface, belong to VXLAN example 2.
User equipment PC12, PC13 are connected on VTEP12 by user side interface, belong to VXLAN example 2.
PC20 is connected on VTEP2 by user side interface, belongs to VXLAN example 2.
PC30 is connected on VTEP3 by user side interface, belongs to VXLAN example 1.
User equipment PC10, PC11, PC30 are in VXLAN example 1, in VXLAN example 1, aggregate set in data center 1
VTEP10 by election be used as Mater equipment.User equipment PC12, PC13, PC20 are in VXLAN example 2, in VXLAN reality
In example 2, the VTEP11 of aggregate set is used as Mater equipment by election in data center 1.PC in identical VXLAN example can be with
It is communicated.PC10 and PC30 is communicated in VXLAN example 1, and PC12 and PC20 are communicated in VXLAN example 2.
When PC10 and PC30 is communicated in VXLAN example 1, as Mater equipment VTEP10 become user side flow into
Enter the main entrance of public network, all user side flows all pass through Master and are forwarded to public network side.Public network effluent amount is also finally led to simultaneously
It crosses Master equipment VTEP10 and enters user side.
When PC12 and PC20 is communicated in VXLAN example 2, as Mater equipment VTEP11 become user side flow into
Enter the main entrance of public network, all user side flows all pass through Master and are forwarded to public network side.Public network effluent amount is also finally led to simultaneously
It crosses Master equipment VTEP11 and enters user side.
In this way, the VTEP in same aggregate set is implemented based on different VXLAN, load balancing is realized.
Based on same inventive concept, the embodiment of the present invention also proposes apparatus for forwarding message in a kind of VXLAN network, such as schemes
Shown in 4, multiple virtual channel terminal VTEP of same data center have identical and unique polymerization set identifier GROUP ID, when
When VTEP is as main Master equipment in aggregate set, which includes:
Notification unit 401, after the MAC Address for learning local subscriber apparatus, by protocol massages to VXLAN example
The interior tunnel VXLAN opposite end VTEP notices the MAC Address and the corresponding GROUP ID of Master of the user equipment, so that opposite end
VTEP saves the MAC Address of the user equipment and the corresponding relationship of GROUP ID, wherein builds with the VETP in same GROUP ID
It is equative route between vertical tunnel；
Retransmission unit 402, for gathering when the data message for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP reaches
Slave equipment in intersection then receives the data message from device forwards, is searched according to target MAC (Media Access Control) address, be sent to local
User equipment.
Further, when VTEP is as main Master equipment in aggregate set, the retransmission unit 402 is also used to work as
The data message that opposite end VTEP is forwarded to notebook data center from the tunnel VXLAN reaches the Master in aggregate set, then according to purpose
MAC Address is searched, and local subscriber apparatus is sent to.
For each VTEP in VXLAN example, which further comprises: registering unit 403, for forwarding in message
Before, own IP address and said polymeric set identifier are carried, interconnection neighbours is virtualized to Ethernet and finds that server ENDS is sent
Registration request message, so that Ethernet virtualization interconnection neighbours have found that client ENDS carries out the VTEP in same polymeric collection
Master election, selects one of VTEP equipment as the Master equipment in the aggregate set.
For each VTEP in VXLAN example, the registering unit 403 is also used to: it is each to receive the carrying that ENDS is sent
A VTEP IP address, said polymeric set identifier and the registration reply message of locating role；VXLAN is triggered according to registration information
The creation in tunnel.
The registering unit 403 is specifically used for when triggering the creation in the tunnel VXLAN according to registration information:
The tunnel VXLAN is established with the Master in this aggregate set；VXLAN tunnel is established with each VTEP in other aggregate sets
Road, the tunnel VXLAN of equal value between each VTEP on the VTEP in VXLAN example in formation and other aggregate sets go out to connect
Mouthful.
The embodiment of the invention also provides apparatus for forwarding message in a kind of VXLAN network, when VTEP is as the tunnel pair VXLAN
VTEP is held, as shown in figure 5, the device includes:
Receiving unit 501, for receiving the carrying local subscriber apparatus MAC of the transmission of the main equipment Master in aggregate set
The protocol massages of location and the corresponding GROUP ID of Master；
Storage unit 502, for saving the MAC Address of the user equipment and the corresponding relationship of GROUP ID, wherein with it is same
It is equative route between the tunnel that VETP in one GROUP ID is established；
Processing unit 503, for when local reception to target MAC (Media Access Control) address be the user equipment data message when, root
According to the corresponding relationship, the tunnel a VXLAN outgoing interface of equal value is selected to be forwarded to the VTEP in the data center.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (13)
1. message forwarding method in a kind of VXLAN network, which is characterized in that multiple virtual channel terminals of same data center
VTEP has identical and unique polymerization set identifier GROUPID, this method comprises:
When VTEP is as main Master equipment in aggregate set, after learning the MAC Address of local subscriber apparatus, pass through agreement
The message tunnel VXLAN opposite end VTEP into VXLAN example notice the user equipment MAC Address and Master it is corresponding
GROUPID, so that opposite end VTEP saves the MAC Address of the user equipment and the corresponding relationship of GROUPID, wherein with it is same
It is equative route between the tunnel that VETP in GROUP ID is established；
Slave equipment in the data message arrival aggregate set for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP, then
Master receives the data message from device forwards, is searched according to target MAC (Media Access Control) address, is sent to local subscriber apparatus.
2. the method as described in claim 1, which is characterized in that when being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP
Data message reach aggregate set in Master, then Master is searched according to target MAC (Media Access Control) address, is sent to local user and is set
It is standby.
3. the method as described in claim 1, which is characterized in that before message forwarding, this method further comprises:
Each VTEP in VXLAN example carries own IP address and said polymeric set identifier, and it is adjacent to virtualize interconnection to Ethernet
It occupies discovery server ENDS and sends registration request message, so that Ethernet virtualization interconnection neighbours have found that server ENDS will be identical
VTEP in aggregate set carries out Master election, selects one of VTEP equipment as the Master equipment in the aggregate set.
4. method as claimed in claim 3, which is characterized in that different VXLAN examples are different as the VTEP equipment of Master,
A Master equipment is only existed in same VXLAN example.
5. method as claimed in claim 3, which is characterized in that this method further comprises:
Each VTEP in VXLAN example receive each VTEP IP address of carrying that ENDS sends, said polymeric set identifier and
The registration reply message of locating role；The creation in the tunnel VXLAN is triggered according to registration information.
6. method as claimed in claim 5, which is characterized in that the VTEP in VXLAN example triggers VXLAN according to registration information
The method of the creation in tunnel includes:
The Master in VTEP and this aggregate set in VXLAN example establishes the tunnel VXLAN；Each of with other aggregate sets
VTEP establishes the tunnel VXLAN, the equivalence between each VTEP on the VTEP in VXLAN example in formation and other aggregate sets
The tunnel VXLAN outgoing interface.
7. message forwarding method in a kind of VXLAN network is applied to the tunnel VXLAN opposite end virtual channel terminal VTEP, same number
There is identical and unique polymerization set identifier GROUPID according to multiple VTEP at center, this method comprises:
Opposite end VTEP receives the carrying local subscriber apparatus MAC Address and Master that the main equipment Master in aggregate set is sent
The protocol massages of corresponding GROUPID；
Opposite end VTEP saves the MAC Address of the user equipment and the corresponding relationship of GROUPID, wherein in same GROUPID
It is equative route between the tunnel that VETP is established；
When opposite end VTEP local reception to target MAC (Media Access Control) address is the data message of the user equipment, according to the corresponding pass
System selects the tunnel a VXLAN outgoing interface of equal value to be forwarded to the VTEP in data center.
8. apparatus for forwarding message in a kind of VXLAN network, which is characterized in that multiple virtual channel terminals of same data center
VTEP has identical and unique polymerization set identifier GROUPID,
When VTEP is as main Master equipment in aggregate set, which includes:
Notification unit, after the MAC Address for learning local subscriber apparatus, by protocol massages into VXLAN example VXLAN
Tunnel opposite end VTEP notices the MAC Address and the corresponding GROUPID of Master of the user equipment, is somebody's turn to do so that opposite end VTEP is saved
The MAC Address of user equipment and the corresponding relationship of GROUPID, wherein in same GROUP ID VETP establish tunnel it
Between be equative route；
Retransmission unit, for being reached in aggregate set when the data message for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP
Slave equipment, then receive the data message from device forwards, searched according to target MAC (Media Access Control) address, be sent to local user and set
It is standby.
9. device as claimed in claim 8, which is characterized in that when VTEP is as main Master equipment in aggregate set, institute
Retransmission unit is stated, is also used to reach in aggregate set when the data message for being forwarded to notebook data center from the tunnel VXLAN opposite end VTEP
Master, then searched according to target MAC (Media Access Control) address, be sent to local subscriber apparatus.
10. device as claimed in claim 8, which is characterized in that
For each VTEP in VXLAN example, which further comprises: registering unit, for taking before message forwarding
Band own IP address and said polymeric set identifier virtualize interconnection neighbours to Ethernet and find that server ENDS sends registration request
Message, so that Ethernet virtualization interconnection neighbours have found that the VTEP in same polymeric collection is carried out Master choosing by server ENDS
It lifts, selects one of VTEP equipment as the Master equipment in the aggregate set.
11. device as claimed in claim 10, which is characterized in that
For each VTEP in VXLAN example, the registering unit is also used to: receiving each VTEP of carrying that ENDS is sent
The registration reply message of IP address, said polymeric set identifier and locating role；The wound in the tunnel VXLAN is triggered according to registration information
It builds.
12. device as claimed in claim 11, which is characterized in that the registering unit triggers VXLAN tunnel according to registration information
It is specifically used for when the creation in road:
The tunnel VXLAN is established with the Master in this aggregate set；The tunnel VXLAN is established with each VTEP in other aggregate sets,
The tunnel the VXLAN of equal value outgoing interface between each VTEP on the VTEP in VXLAN example in formation and other aggregate sets.
13. apparatus for forwarding message in a kind of VXLAN network is applied to the tunnel VXLAN opposite end virtual channel terminal VTEP, same number
There is identical and unique polymerization set identifier GROUPID according to multiple VTEP at center, which includes:
Receiving unit, for receive the main equipment Master in aggregate set transmission carrying local subscriber apparatus MAC Address and
The protocol massages of the corresponding GROUPID of Master；
Storage unit, for saving the MAC Address of the user equipment and the corresponding relationship of GROUPID, wherein with it is same
It is equative route between the tunnel that VETP in GROUPID is established；
Processing unit, for when local reception to target MAC (Media Access Control) address be the user equipment data message when, according to described right
It should be related to, the tunnel a VXLAN outgoing interface of equal value is selected to be forwarded to the VTEP in data center.
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| CN108259300B (en) * | 2017-06-30 | 2020-11-06 | 新华三技术有限公司 | Method and device for forwarding broadcast message |
| CN107612808B (en) * | 2017-09-13 | 2020-09-08 | 新华三技术有限公司 | Tunnel establishment method and device |
| CN110999230B (en) * | 2017-10-18 | 2021-06-01 | 华为技术有限公司 | Method, network equipment and system for transmitting multicast message |
| CN109728990A (en) * | 2017-10-31 | 2019-05-07 | 中兴通讯股份有限公司 | A kind of method for building up in tunnel, device and software defined network controller |
| CN108494686B (en) * | 2018-02-28 | 2021-05-28 | 新华三技术有限公司 | Route processing method and device |
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