CN103873339B - The distribution method and device of a kind of virtual gateway router - Google Patents
The distribution method and device of a kind of virtual gateway router Download PDFInfo
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- CN103873339B CN103873339B CN201410097957.2A CN201410097957A CN103873339B CN 103873339 B CN103873339 B CN 103873339B CN 201410097957 A CN201410097957 A CN 201410097957A CN 103873339 B CN103873339 B CN 103873339B
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Abstract
The present invention provides a kind of distribution method of virtual gateway router, and methods described includes：Edge device learns the MAC Address of the main frame according to the message from main frame, and records the corresponding relation between the MAC Address of the main frame and the mark of the affiliated website of the main frame；When VRRPE backup group main equipments receive the ARP gateway requests from main frame, the mark of the affiliated website of the main frame is inquired about to the edge device of this website；When edge device receives the query message from VRRPE backup group main equipments, according to the MAC Address of main frame in the query message, to VRRPE backup groups main equipment response site identity corresponding with the MAC Address；VRRPE backup groups main equipment is with the ARP gateway requests of main frame described in the virtual MAC address response in the VRRPE backup groups with the main frame positioned at the virtual gateway of same website.The problem of invalid forwarding of three laminar flow amounts in big double layer network between each website can be solved by the present invention.
Description
Technical field
The present invention relates to the distribution method and device of communication technical field, more particularly to a kind of virtual gateway router.
Background technology
In order to realize high reliability and redundant deployment, current most enterprises network and its data center span multiple positions
In the physical site of diverse geographic location, in the similar business of these site deployments.In order to realize the dynamically tune of the resource between website
Match somebody with somebody and manage, virtual machine is wanted between data center being capable of free migration.Because virtual machine (vm) migration process is transparent to user, it is impossible to
Change IP address, so must realize that double layer network is interconnected between the website for being distributed in strange land.Realize that double layer network is mutual at present
Even technology mainly have VPLS, Q-in-Q, MAC-in-MAC, EVI, TRILL, PBB etc., by these technologies can easily
The double layer network of different location interconnects, and whole network logically forms a big double layer network.
The network environment interconnected for big double layer network, still suffers from some intrinsic problems, such as when three layer services at present
When source and destination and gateway are distributed in the double layer network of different physical locations, flow will necessarily do invalid past across tunnel
Return, waste the tunnel bandwidth resource of preciousness.
Fig. 1 is referred to, Fig. 1 is very typical big two layers of internet, and network 1 and network 2 are two independent
Double layer network, is connected by EVI tunnels, and three-layer network is closed in network 1, and network 1 and 2 respectively has one outlet to connect outer net 1 respectively
With outer net 2.Wherein gateway 1 is as the gateway of All hosts in whole big double layer network, and the main frame in network 2 is sent to outer net 2
Flow needs to gateway 1 to do three layers of forwarding, and specially flow first passes through EVI tunnels and is forwarded to gateway 1, and gateway 1 looks into routing table
Find that flow, in network 2, is then forwarded to the outlet of outer net 2 by next-hop again from EVI tunnels afterwards.So data traffic is by nothing
Effect ground has come and gone once on tunnel, wastes bandwidth.
Fig. 2 is referred to, in specific application, one virtual net of each deployment in being netted using VRRP agreements at two two layers
Composition VRRP backup groups are closed, but there is same problem with above-mentioned single gateway device in this scheme.Due in VRRP backup groups
Master gateways only have 1, therefore when the source and destination and Master gateways of three layer services be not in same local network,
Flow invalid on tunnel can still come and go.It is identical actually with VRRP result for VRRPE agreements.VRRPE agreements are based on
When machine selects gateway, only with reference to priority facility, the virtual gateway of highest priority in VRRPE backup groups is distributed into main frame,
Therefore for some main frame, the gateway still may in another double layer network, three laminar flow amounts can still be deactivated in tunnel
Upper round trip.
The content of the invention
In view of this, the present invention proposes the distribution method and device of a kind of virtual gateway router, by big two layers of net
Different websites is marked in network, the mark of website where record main frame, while to VRRPE agreements for Selection of chiller gateway
When equalization algorithm be extended so that VRRPE backup groups main equipment is when for Selection of chiller gateway, and prioritizing selection VRRPE is standby
Mark identical equipment in part group with website where the main frame, can effectively prevent that three laminar flow amounts are between website in big double layer network
Invalid forwarding.
A kind of distribution method of virtual gateway router, the Virtual Router Redundancy Protocol applied to big double layer network is loaded
Balanced mode VRRPE backup group main equipments, methods described includes：
When receiving the ARP gateway requests from main frame, the affiliated website of the main frame is inquired about to the edge device of this website
Mark；The edge device that is designated of the wherein described affiliated website of main frame is recorded when learning the host MAC address；
To be located in the VRRPE backup groups with the main frame described in the virtual MAC address response of the virtual gateway of same website
The ARP gateway requests of main frame
A kind of distributor of virtual gateway router, the Virtual Router Redundancy Protocol applied to big double layer network is loaded
Balanced mode VRRPE backup group main equipments, described device includes：
Enquiry module, for when receiving the ARP gateway requests from main frame, the master to be inquired about to the edge device of this website
The mark of the affiliated website of machine；The edge device that is designated of the wherein described affiliated website of main frame is remembered when learning the host MAC address
Record；
Responder module, for the virtual MAC for the virtual gateway for being located at same website in the VRRPE backup groups with the main frame
The ARP gateway requests of main frame described in the response of address.
On a kind of distribution method of virtual gateway router, the edge device applied to big double layer network, methods described bag
Include：
Learn the MAC Address of the main frame according to the message from main frame, and record MAC Address and the main frame institute of the main frame
Belong to the corresponding relation between the mark of website；
When receiving the query message from VRRPE backup group main equipments, according to the MAC of main frame in the query message
Location, to VRRPE backup groups main equipment response site identity corresponding with the MAC Address, to cause the VRRPE backup groups
Main equipment is with main frame described in the virtual MAC address response in VRRPE backup groups with the main frame positioned at the virtual gateway of same website
ARP gateway requests.
A kind of edge device of big double layer network, the equipment includes：
Logging modle, for learning the MAC Address of the user according to the message from user, and records the MAC of the user
Corresponding relation between the mark of address and the affiliated website of the user；
Responder module, for when receiving the query message from VRRPE backup group main equipments, according in the query message
The MAC Address of user, it is described to cause to VRRPE backup groups main equipment response site identity corresponding with the MAC Address
VRRPE backup groups main equipment with VRRPE backup groups with the main frame be located at same website virtual gateway the response of virtual MAC address
The ARP gateway requests of the main frame.
The problem of invalid forwarding of three laminar flow amounts in big double layer network between each website can be solved by the present invention.
Brief description of the drawings
Fig. 1 is a kind of typical big two layers of internet schematic diagram；
Fig. 2 is a kind of big two layers of internet schematic diagram for deploying VRRP virtual gateways；
Fig. 3 is a kind of flow chart for virtual gateway router distribution method that one embodiment of the invention is provided；
Fig. 4 is general VRRP message formats；
VRRP message formats after a kind of extension that Fig. 5 provides for one embodiment of the invention；
A kind of big two layers of internet for deploying VRRPE virtual gateway backup groups that Fig. 6 provides for one embodiment of the invention
Network networking diagram；
Fig. 7 is a kind of building-block of logic for virtual gateway router distributor that one embodiment of the invention is provided；
Fig. 8 is a kind of building-block of logic for edge device that one embodiment of the invention is provided.
Embodiment
Embodiments herein proposes a kind of distribution method of virtual gateway router, by different in big double layer network
Website be marked, the mark of website where record main frame so that VRRPE backup groups main equipment is for Selection of chiller gateway
When, with the mark identical equipment of website where the main frame in prioritizing selection VRRPE backup groups, it can effectively prevent big double layer network
In invalid forwarding many topological networks of the three laminar flow amounts between website retransmission method.
Present embodiments are described in further detail referring to the drawings.
The embodiment of the application one provides a kind of distribution method of big double layer network virtual gateway router, big two layers of net
Network includes at least two double layer network websites, is connected by two layers of the tunnel set up between edge device between website, wherein each website
Middle to deploy at least one virtual gateway router respectively, all virtual gateway routers being deployed in each website are collectively constituted
One VRRPE backup group.Fig. 3 is referred to, this method includes：
S301, edge device learn the MAC Address of the main frame according to the message from main frame, and record the MAC of the main frame
Corresponding relation between the mark of address and the affiliated website of the main frame；
When S302, VRRPE backup group main equipment receive the ARP gateway requests from main frame, to the edge device of this website
Inquire about the mark of the affiliated website of the main frame；
When S303, edge device receive the query message from VRRPE backup group main equipments, according to main in the query message
The MAC Address of machine, to VRRPE backup groups main equipment response site identity corresponding with the MAC Address；
S304, VRRPE backup group main equipment with the VRRPE backup groups with the main frame be located at same website virtual net
The ARP gateway requests of main frame described in the virtual MAC address response of pass.
In the present embodiment, the big double layer network is in deployment phase, and each double layer network website is by the LLI after mark（This
Ground network identity）On the edge device for being communicated to other websites；In addition, VRRPE virtual gateways are disposed in different websites respectively
Router, and constitute VRRPE backup groups；Meanwhile, each gateway router in the VRRPE backup groups is known this by configuring
The address of the edge device of website, and respective LLI is configured to consistent with the edge device of this website.Wherein, actually should
In, each gateway router in the VRRPE backup groups can merge into same equipment with edge device, pass through distinct interface
Distinguish, i.e., be two in logic, be physically one.
Specifically, exemplified by big double layer network interconnection is realized by EVI technologies, EVI edge devices are by interacting with each other
Based on IS-IS（Intermediate System to Intermediate System, Intermediate System-to-Intermediate System）Agreement
Hello packet find and set up the neighborhood between the edge device of other websites.Therefore, in the present embodiment,
Can be by being extended to the hello packet that EVI edge devices are sent, to realize the purpose for noticing this website LLI.Specifically,
A TLV attribute, the LLI for noticing this website can be increased in the hello packet.Newly-increased TLV attribute formats are as follows：
| Type |
| Length |
| LLI |
The byte of wherein Type=0x12, Length=2, LLI=1~256,0 retains as management purposes.
In the present embodiment, EVI edge devices notice the LLI of our station by sending the hello packet after extension, and protect
Deposit the LLI of other websites carried in the hello packet sent from other EVI edge devices.Meanwhile, EVI edge devices exist
After the message for receiving main frame, when creating MAC address entries for the main frame, distinguish and remember according to the inbound port for the message for receiving the main frame
The LLI of website where recording the main frame.
In the present embodiment, each gateway router is after the completion of deployment in VRRPE backup groups, in the VRRPE backup groups
Main equipment can carry out message interaction between the stand-by equipment in the VRRPE backup groups and the edge device of this website.
In the present embodiment in a kind of exemplary embodiment, the message interaction in VRRPE backup groups between stand-by equipment and main equipment,
All it is to be extended to realize by the form to VRRP messages, the VRRP messages after extension include three types altogether, point
It is not：VRRP notification packets, VRRP query messages and VRRP response messages；
Specifically, by increasing an attribute in VRRP messages, to represent to carry LLI in the VRRP messages.It please join
See that Fig. 4, Fig. 4 are general VRRP message formats, Rsvd fields are 0 in general VRRP message formats, in the present embodiment,
It can be 1 by Rsvd field definitions, represent to have carried LLI in the message.VRRP message formats after extension refer to Fig. 5,
The implication of each field references is as follows:
Count MAC Addr fields, represent inquiry MAC number of addresses；
Opt fields, represent the action type of LLI messages, length is 4bit；When the field value is 0, represent notice originally
The LLI of equipment；When value is 1, inquiry main frame MAC LLI is represented；When value is 2, response main frame MAC LLI is represented；
Local LLI fields, the LLI for carrying this equipment, length is 8bit；
MAC Address fields, the MAC Address of main frame will be inquired about for carrying；Every record accounts for 8 bytes；Wherein MAC
Location is 6 bytes, and LLI is 1 byte, remainder bytes full 0 polishing；
VRRP notification packet Opt fields values are that 0, Count MAC Addr fields values are 0；
VRRP query message Opt fields values are that 1, LLI of MAC fields values are 0；
VRRP response message Opt fields value is that 2, LLI of MAC fields are the LLI inquired, and related note is such as not present
Record is then filled with full 0.
In addition, what deserves to be explained is, in the present embodiment, if in VRRPE backup groups host apparatus and this website EVI
Message interaction between edge device, also using the VRRP messages after extension, then for the intercommunication between guarantee agreement, each website
Edge device on then at least include a port for enabling VRRP agreements.
In the present embodiment, the standby gateway router in VRRPE backup groups is by sending the VRRP notification packets, to
Main equipment in VRRPE backup groups notices the LLI of itself；Meanwhile, the main equipment in VRRPE backup groups receive from it is described other
After the VRRP notification packets of gateway router, preserve the LLI carried in the notification packet and corresponding gateway router is empty
Corresponding relation between MAC Address.
When the main equipment in the VRRPE backup groups receives the ARP gateway requests of main frame, first with the MAC of the main frame
Address sends the LLI that VRRP query messages inquire about the affiliated website of the main frame for index to the edge device of this website.The VRRPE
When main equipment in backup group receives the ARP gateway requests of multiple main frames, also once it can inquire about multiple MAC's to edge device
LLI。
When the edge device of described website receives the VRRP query messages by enabling the interface of VRRP agreements, to
Main equipment in VRRPE backup groups sends VRRP response messages, and the master that Query Result response is given in the VRRPE backup groups sets
It is standby.Main equipment in the VRRPE backup groups is received after the Query Result of our station point edge equipment, in decision-making with which platform gateway road
As described in the virtual MAC response of device during the ARP gateway requests of main frame, prioritizing selection and main frame LLI identical gateway routers, from
And ensureing the main frame and its virtual gateway within same website, it is to avoid gateway router is with the main frame not at same station
When within point, the three laminar flow amounts forwarding invalid between website that the main frame is initiated.
In addition, in the present embodiment, it is when in the affiliated website of the main frame, deploying many virtual gateway routers, i.e., described
When having the LLI of the affiliated website of multiple virtual gateways identical with the LLI of the affiliated website of the main frame in VRRPE backup groups, VRRPE backups
Main equipment in group selects the virtual gateway of highest priority in many LLI and the main frame identical virtual gateway
The ARP gateway requests of the virtual MAC address response main frame.
In the present embodiment, when belonging to the LLI and the main frame for there is no the affiliated website of virtual gateway in the VRRPE backup groups
When the LLI of website is identical, now in the VRRPE backup groups of the main equipment selection in VRRPE backup groups highest priority it is virtual
The ARP gateway requests of the virtual MAC address response of the gateway main frame.
When the main frame is migrated, the main frame moves into the edge device of website according to receiving entering for the main frame message
Port judges that the main frame is migrated, and then updates the MAC address entries of the main frame in local terminal, and notify the edge of other websites
The MAC address entries of the renewal of the equipment main frame.Meanwhile, send VRRP response messages to the main equipment of the VRRPE backup groups（Notify
Message）, the LLI of the current affiliated website of the main frame is notified to the main equipment to the VRRPE backup groups.The VRRPE backup groups
Main equipment receive after the message, reselect LLI and the main frame in the VRRPE backup groups it is current belonging to website LLI phases
The virtual MAC address of same virtual gateway, the main frame is given with ARP message actives response so that the main frame completes ARP gateways and updated.
It is another embodiment of the application below, refers to Fig. 6, the big double layer network shown in Fig. 6 is by website 1 and website
2 compositions, SW1 and SW2 are respectively the edge device of website 1 and website 2.
SW1 and SW2 define and noticed respectively local LLI, and the wherein LLI of website 1 is 1, and the LLI of website 2 is 2；
In the big double layer network, two gateway devices VRRPE-1 and VRRPE-2 of VRRPE backup groups are deployed in respectively
In website 1 and website 2, wherein VRRPE-1 is the main equipment of VRRPE backup groups；
Main frame Host2 needs to communicate with outer net 2, then initiates ARP gateway requests, asks the MAC Address of gateway.SW1 and
SW2 has recorded its LLI=2 when creating Host2 MAC address entries.
When VRRPE backup group main equipments receive Host2 ARP gateway requests, Host2 LLI, inquiry knot are inquired about to SW1
Fruit is 2.Then in ARP gateway requests of the decision-making with the virtual MAC response Host2 of any platform gateway router, selection VRRPE-2's
Virtual MAC response Host2 ARP gateway requests, so as to ensure that Host2 gateway router and Host2 are located at same two layers of net
Within network website, all three laminar flows amounts are sent to VRRPE-2.
When Host2 is moved in network 1, SW1 and SW2 update edge device SW1 in MAC address entries, network 1 to VRRPE-
1 sends VRRP response messages, and the LLI of the current affiliated websites 1 of Host2 is notified to VRRPE-1；After VRRPE-1 is received, again for
Host2 selects gateway, by VRRPE-1 virtual MAC, by arp reply to Host2, Host2 is completed ARP gateways and updates.
Fig. 7 is referred to, a kind of distributor 70 of virtual gateway router is also proposed in the embodiment of the application one, is applied
In the VRRPE backup group main equipments of big double layer network, the hardware structure being related to as the network equipment of carrying apparatus of the present invention 70
In, generally include CPU, internal memory, nonvolatile memory, I/O interface and other hardware.Exemplified by implemented in software, present invention dress
70 are put it is generally understood that being carried in the computer program in internal memory, the software and hardware formed after being run by CPU is combined
Logic device；The device 70 includes：
Enquiry module 71, for when receiving the ARP gateway requests from main frame, being somebody's turn to do to the edge device inquiry of this website
The mark of the affiliated website of main frame；The wherein described affiliated website of main frame be designated edge device learn the host MAC address when
Record；
Responder module 72, for the void for the virtual gateway for being located at same website in the VRRPE backup groups with the main frame
The ARP gateway requests of main frame described in MAC Address response.
In the present embodiment, described device 70 also includes：
Receiving module 73, for receiving the notification packet that other virtual gateways are sent in the VRRPE backup groups, note
Record mark and the virtual MAC address of other virtual gateways of the other affiliated websites of virtual gateway carried in the notification packet
Between corresponding relation.
In the present embodiment, the responder module 72 specifically for：When having multiple virtual gateways in the VRRPE backup groups
When the mark of affiliated website is identical with the mark of the affiliated website of the main frame, with the multiple virtual gateway, highest priority
The ARP gateway requests of main frame described in the virtual MAC address response of virtual gateway；
When do not have in the VRRPE backup groups the affiliated website of virtual gateway mark and the affiliated website of the main frame mark phase
Meanwhile, with the ARP gateways of main frame described in the virtual MAC address response of the virtual gateway of highest priority in the VRRPE backup groups
Request.
In the present embodiment, the receiving module 73 is further used for：Receive and move into website edge device hair from main frame
The notice message gone out, the mark of website, the VRRPE is backed up according to belonging to the main frame carried in the notice message is current
In group the mark of website and the main frame it is current belonging to site identity identical virtual gateway virtual MAC address with arp reply to should
Main frame, to cause the main frame completes ARP gateways to update.
Fig. 8 is referred to, also proposes that a kind of edge of big double layer network is set in a kind of exemplary embodiment of the present invention
Standby 80, in the hardware structure being related to as the network equipment for carrying the edge device 80, generally include CPU, internal memory, non-volatile
Property memory, I/O interface and other hardware.Exemplified by implemented in software, apparatus of the present invention 70 are it is generally understood that be carried in interior
Computer program in depositing, the logic device that the software and hardware formed after being run by CPU is combined；The edge device 80 is wrapped
Include：
Logging modle 81, for learning the MAC Address of the user according to the message from user, and records the user's
Corresponding relation between the mark of MAC Address and the affiliated website of the user；
Responder module 82, for when receiving the query message from VRRPE backup group main equipments, according to the query message
The MAC Address of middle user, to VRRPE backup groups main equipment response site identity corresponding with the MAC Address, to cause
The virtual MAC address that VRRPE backup groups main equipment is stated to be located at the virtual gateway of same website in VRRPE backup groups with the main frame should
Answer the ARP gateway requests of the main frame.
In the present embodiment, the responder module 82 is further used for：It is standby to VRRPE when host migration to this website
Part group main equipment sends notice message, to cause the VRRPE backup groups main equipment can be according to being somebody's turn to do for being carried in the notice message
The mark of website belonging to main frame is current, by the current affiliated site identity of the mark of website in the VRRPE backup groups and the main frame
The main frame is given in the virtual MAC address of identical virtual gateway with arp reply so that the main frame completes ARP gateways and updated.
By the description of above example, it will be appreciated by those skilled in the art that the module in embodiment in device can be closed
And be a module, multiple submodule can also be further split into.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (12)
1. a kind of distribution method of virtual gateway router, the Virtual Router Redundancy Protocol load applied to big double layer network is equal
Weighing apparatus pattern VRRPE backup group main equipments, it is characterised in that methods described includes：
When receiving the ARP gateway requests from main frame, the mark of the affiliated website of the main frame is inquired about to the edge device of this website；
The edge device that is designated of the wherein described affiliated website of main frame is recorded when learning the host MAC address；
To be located at main frame described in the virtual MAC address response of the virtual gateway of same website in the VRRPE backup groups with the main frame
ARP gateway requests.
2. the method as described in claim 1, it is characterised in that methods described also includes：
The notification packet that other virtual gateways are sent in the VRRPE backup groups is received, records in the notification packet and carries
The mark of other affiliated websites of virtual gateway and the virtual MAC address of other virtual gateways between corresponding relation.
3. the method as described in claim 1, it is characterised in that described same to be located in the VRRPE backup groups with the main frame
The ARP gateway requests of main frame are specifically included described in the virtual MAC address response of the virtual gateway of one website：
When the mark for having the affiliated website of multiple virtual gateways in the VRRPE backup groups is identical with the mark of the affiliated website of the main frame
When, with the multiple virtual gateway, the ARP gateways of main frame described in the virtual MAC address response of the virtual gateway of highest priority
Request；
When the mark for not having the affiliated website of virtual gateway in the VRRPE backup groups is identical with the mark of the affiliated website of the main frame
When, please with the ARP gateways of main frame described in the virtual MAC address response of the virtual gateway of highest priority in the VRRPE backup groups
Ask.
4. the method as described in claim 1, it is characterised in that methods described also includes：
Reception moves into the notice message that website edge device is sent from main frame, according to the main frame carried in the notice message
The mark of website belonging to current is identical by the current affiliated site identity of the mark of website in the VRRPE backup groups and the main frame
The virtual MAC address of virtual gateway give the main frame with arp reply, to cause the main frame completes ARP gateways to update.
5. a kind of distributor of virtual gateway router, the Virtual Router Redundancy Protocol load applied to big double layer network is equal
Weighing apparatus pattern VRRPE backup group main equipments, it is characterised in that described device includes：
Enquiry module, for when receiving the ARP gateway requests from main frame, the main frame institute to be inquired about to the edge device of this website
Belong to the mark of website；The edge device that is designated of the wherein described affiliated website of main frame is recorded when learning the host MAC address；
Responder module, for the virtual MAC address for the virtual gateway for being located at same website in the VRRPE backup groups with the main frame
The ARP gateway requests of main frame described in response.
6. device as claimed in claim 5, it is characterised in that described device also includes：
First receiving module, for receiving the notification packet that other virtual gateways are sent in the VRRPE backup groups, record
The mark of the other affiliated websites of virtual gateway carried in the notification packet and the virtual MAC address of other virtual gateways it
Between corresponding relation.
7. device as claimed in claim 5, it is characterised in that the responder module specifically for：
When the mark for having the affiliated website of multiple virtual gateways in the VRRPE backup groups is identical with the mark of the affiliated website of the main frame
When, with the multiple virtual gateway, the ARP gateways of main frame described in the virtual MAC address response of the virtual gateway of highest priority
Request；
When the mark for not having the affiliated website of virtual gateway in the VRRPE backup groups is identical with the mark of the affiliated website of the main frame
When, please with the ARP gateways of main frame described in the virtual MAC address response of the virtual gateway of highest priority in the VRRPE backup groups
Ask.
8. device as claimed in claim 5, it is characterised in that described device also includes：
Second receiving module, the notice message that website edge device is sent is moved into for receiving from main frame, according to the notice report
The mark of the current affiliated website of the main frame carried in text, the mark of website in the VRRPE backup groups and the main frame are worked as
The main frame is given in the virtual MAC address of site identity identical virtual gateway with arp reply belonging to preceding, to cause the main frame to complete ARP
Gateway updates.
9. on a kind of distribution method of virtual gateway router, the edge device applied to big double layer network, it is characterised in that institute
The method of stating includes：
Learn the MAC Address of the main frame according to the message from main frame, and record the MAC Address of the main frame with being stood belonging to the main frame
Corresponding relation between the mark of point；
When receiving the query message from VRRPE backup group main equipments, according to the MAC Address of main frame in the query message, to
VRRPE backup groups main equipment response site identity corresponding with the MAC Address, to cause the VRRPE backup groups master to set
The ARP nets of main frame described in the standby virtual MAC address response to be located at the virtual gateway of same website in VRRPE backup groups with the main frame
Close request.
10. method as claimed in claim 9, it is characterised in that methods described also includes：
When host migration to this website, notice message is sent to VRRPE backup groups main equipment, to cause the VRRPE to back up
Group main equipment can according to belonging to the main frame carried in the notice message is current website mark, by the VRRPE backup groups
The main frame is given in the virtual MAC address of the mark of website and the current affiliated site identity identical virtual gateway of the main frame with arp reply,
So that the main frame completes ARP gateways and updated.
11. a kind of edge device of big double layer network, it is characterised in that the equipment includes：
Logging modle, for learning the MAC Address of the main frame according to the message from main frame, and records the MAC Address of the main frame
Corresponding relation between the mark of the affiliated website of the main frame；
Responder module, for when receiving the query message from VRRPE backup group main equipments, according to main frame in the query message
MAC Address, it is described to cause to VRRPE backup groups main equipment response site identity corresponding with the MAC Address
VRRPE backup groups main equipment with VRRPE backup groups with the main frame be located at same website virtual gateway the response of virtual MAC address
The ARP gateway requests of the main frame.
12. edge device as claimed in claim 11, it is characterised in that the responder module is further used for：
When host migration to this website, notice message is sent to VRRPE backup groups main equipment, to cause the VRRPE to back up
Group main equipment can according to belonging to the main frame carried in the notice message is current website mark, by the VRRPE backup groups
The main frame is given in the virtual MAC address of the mark of website and the current affiliated site identity identical virtual gateway of the main frame with arp reply,
So that the main frame completes ARP gateways and updated.
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| CN106102070A (en) * | 2016-05-31 | 2016-11-09 | 深圳市双赢伟业科技股份有限公司 | Switch running status control method and device |
| US11082492B2 (en) * | 2018-01-10 | 2021-08-03 | EMC IP Holding Company LLC | System and method for dynamic backup sessions |
| CN111447295B (en) * | 2020-02-29 | 2022-04-01 | 新华三信息安全技术有限公司 | Hardware address negotiation method and device |
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