CN102821023A - Method and device for dynamically migrating VLAN (virtual local area network) configuration - Google Patents
Method and device for dynamically migrating VLAN (virtual local area network) configuration Download PDFInfo
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Abstract
The invention provides a method and device for dynamically migrating VLAN (virtual local area network) configuration. The method comprises the following steps of: storing virtual machine ID and corresponding VLAN configuration information in a network management system in advance; transmitting the VLAN configuration of a virtual machine to an upstream physical switch corresponding to a migrated physical server of the virtual machine when the network management system senses out a network migration event of the virtual machine, wherein the migrated physical server transmits an RARP (reverse address resolution protocol) message so as to update ARP tables of all the upstream physical switches after the migration of the virtual machine is finished; and if the migration event is finished before the network management system finishes transmitting the VLAN configuration, the network management system ages the ARP table on a physical switch by an SNMP (simple network management protocol) or command line so as to update the ARP tables of all the upstream physical switches of the migrated physical server. According to the invention, the VLAN configuration of the virtual machine can be migrated dynamically along with the migration of the virtual machine.
Description
Technical field
The present invention relates to data communication technology field, relate in particular to a kind of under virtualized environment the method and the device of VLAN configuration dynamic migration along with the migration of virtual machine.
Background technology
Intel Virtualization Technology more and more comes into one's own at present, a lot of manufacturers produce of industry a lot of virtual machine products, like VMWare, HyperV, KVM etc.The user can be on physical server virtual a plurality of main frames, supply different user to use.When main frame virtual on certain physical server is too much, inadequate resource will take place, move situation slowly.For fear of the generation of this situation, each manufacturer all provides the function of virtual machine (vm) migration, with virtual machine from the bigger server migration of load to the little server of load, and then realize making full use of of resource.
In the network application of reality, from network security and otherwise consideration, enterprise generally can dispose different VLAN as required on different virtual machines, so that the virtual machine access external network is done certain restriction.Through above configuration, realize safeguard protection to a certain extent to virtual network.
Yet, when migration takes place in virtual machine, if the VLAN configuration that does not have pre-configured this virtual machine to use on the purpose switch of virtual machine (vm) migration, can cause virtual machine (vm) migration to be accomplished after, this virtual machine can't be visited proper network.
Summary of the invention
In view of this; The present invention provides a kind of method and device of VLAN configuration dynamic migration; Through the present invention; The VLAN configuration that need not be on the purpose switch of virtual machine (vm) migration pre-configured this virtual machine uses, the VLAN configuration meeting of said virtual machine is along with migration is accomplished in the migration of virtual machine dynamically.
For realizing the object of the invention, implementation of the present invention is specific as follows:
A kind of method of VLAN configuration dynamic migration; Be applied in the network system that comprises two physical servers and ascending physical signal switch formation thereof at least; Wherein said every physical server can be as required, virtually turns to a plurality of different virtual machines, and wherein said method comprises:
Step 1, in network management system the in advance ID of storage virtual machine and the corresponding relation between the VLAN configuration information;
Step 2, when network management system perceives the network migration incident of virtual machine, the ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration of this virtual machine.
Further, the corresponding ascending physical signal switch of physical server that said step 2 network management system is moved into to virtual machine issues the VLAN configuration information of this virtual machine, is specially:
Said network management system is obtained ID and the id information of the physical server of moving into of the virtual machine of migration according to the migration event of virtual machine; Said network management system further obtains the corresponding VLAN configuration information of this virtual machine according to the ID of this virtual machine; The network equipment topological relation of searching storage according to the id information of the physical server of moving into obtains the ascending physical signal switch corresponding port of this physical server of moving into, and then the VLAN configuration information of this virtual machine is handed down on the corresponding ascending physical signal switch corresponding port of the physical server of moving into.
Further, said step 2 network management system issues the migration action completion of the VLAN configuration information of this migration virtual machine prior to virtual machine to the ascending physical signal switch corresponding port of the physical server of moving into.And after virtual machine (vm) migration is accomplished; The physical server of moving into further sends the RARP message to its gateway physical switches; Wherein carry IP address and the mac address information of virtual machine VM1; Make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine VM1.
Further; If after virtual machine (vm) migration is accomplished; Said step 2 network management system just issues the VLAN configuration information of the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server of moving into; At this moment, network management system further calculates the information of the gateway switch at the physical server place of moving into through network topology, and through the ARP table on SNMP or the aging gateway physical switches of order line.Said gateway physical switches is after the ARP table is aging; Further the edge switch to the physical server place of moving into sends probe messages; After the message of receiving edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of the virtual machine of moving into, said virtual machine VM1 can access external network.
Further, said virtual machine ID is specially the MAC Address of this virtual machine, the information that IP address or other can this virtual machines of unique identification.
The present invention provides a kind of device of VLAN configuration dynamic migration simultaneously; Said device is applied in the network system that comprises two physical servers and ascending physical signal switch formation thereof at least; Wherein said every physical server can be as required; Virtually turn to a plurality of different virtual machines, it is characterized in that said device comprises:
Logging modle is used for the ID of the prior storage virtual machine of said device and the corresponding relation between the VLAN configuration information;
Issue module, be used for after said device perceives the network migration incident of virtual machine, the ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration information of this virtual machine.
Further, saidly issue the VLAN configuration information that the corresponding ascending physical signal switch of physical server that module moves into to virtual machine issues this virtual machine, be specially:
Said device obtains ID and the id information of the physical server of moving into of the virtual machine of migration according to the migration event of virtual machine; Said device further obtains the corresponding VLAN configuration information of this virtual machine according to the ID of this virtual machine; The network equipment topological relation of searching storage according to the id information of the physical server of moving into obtains the ascending physical signal switch corresponding port of this physical server of moving into, and then the VLAN configuration information of this virtual machine is handed down on the corresponding ascending physical signal switch corresponding port of the physical server of moving into through issuing module.
Further, the said module that issues issues the migration action completion of the VLAN configuration information of this migration virtual machine prior to virtual machine to the ascending physical signal switch corresponding port of the physical server of moving into.And after virtual machine (vm) migration is accomplished; The physical server of moving into further sends the RARP message to its gateway physical switches; Wherein carry IP address and the mac address information of virtual machine VM1; Make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine VM1.
Further; If after virtual machine (vm) migration is accomplished; Saidly issue module just issues VLAN configuration information from the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server of moving into; At this moment, said device further calculates the information of the gateway switch at the physical server place of moving into through network topology, and through the ARP table on SNMP or the aging gateway physical switches of order line.Said gateway physical switches is after the ARP table is aging; Further the edge switch to the physical server place of moving into sends probe messages; After the message of receiving edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of the virtual machine of moving into, said virtual machine VM1 can access external network.
Further, said virtual machine ID is specially the MAC Address of this virtual machine, the information that IP address or other can this virtual machines of unique identification.。
Compare with existing technical scheme; The present invention is through in virtual machine generation transition process; The virtual machine of migration and the purpose switch of moving into take place through the migration event perception in network management system; Said network management system is through in time issuing the VLAN configuration of this virtual machine to this virtual machine place purpose switch, after guaranteeing that virtual machine (vm) migration is accomplished, the RARP message that the physical server at virtual machine place sends can normally pass through; ARP table on the ascending physical signal switch of this physical server correspondence is able to upgrade, so that virtual function normal access network.
Description of drawings
Fig. 1 is that the migration sketch map takes place virtual machine under the present invention's application scenarios.
Fig. 2 is the method flow diagram of VLAN configuration dynamic migration provided by the invention.
Fig. 3 is the device sketch map of VLAN configuration dynamic migration provided by the invention.
Embodiment
In order to realize the object of the invention, the core concept that the present invention adopts is: prior storage virtual machine ID and corresponding VLAN configuration information in network management system; When network management system perceives the network migration incident of virtual machine; The ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration of this virtual machine; After virtual machine (vm) migration is accomplished; The physical server of moving into through send the RARP message make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine.Because the ARP of the virtual machine normal access network on all ascending physical signal switches of the physical server of moving into table is able to upgrade, thereby virtual machine can the normal access network.
For making technical scheme of the present invention clear more and clear, specify below in conjunction with the specific embodiment of the invention.As shown in Figure 2, be the method flow diagram of VLAN configuration dynamic migration of the present invention.Wherein said method is applied in and comprises at least in the network system that two physical servers and ascending physical signal switch thereof constitute, and wherein said every physical server can be as required, virtually turns to a plurality of different virtual machines.Mainly comprise the steps:
Step 1, in network management system the in advance ID of storage virtual machine and the corresponding relation between the VLAN configuration information.
Particularly, in embodiments of the present invention, network management system can obtain the corresponding relation between each virtual machine ID and VLAN configuration information through modes such as polls.Wherein said virtual machine ID specifically can be the MAC Address of this virtual machine, the information that IP address or other can this virtual machines of unique identification.Behind the ID and the corresponding relation between the VLAN configuration information that obtain all virtual machines, network management system also needs further this corresponding relation of storage, as storing through modes such as forms.
The VLAN configuration information corresponding with VM1 shown in Figure 1 is that VLAN1 is an example, and network management system is after obtaining this corresponding relation, with the ID of record VM 1 and the corresponding relation between the VLAN1 configuration information.
Step 2, when network management system perceives the network migration incident of virtual machine, the ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration of this virtual machine.
Particularly; When resource in certain the physical server running (comprise CPU, internal memory, disk and network handle up etc.) bottleneck occurs or breaks down; Need be to other physical server with the virtual machine (vm) migration that moves on this physical server, thus reach the purpose of load balancing and efficent use of resources.When migration took place virtual machine, network management system can detect this migration event, directly obtained ID and the id information of the physical server of moving into of the virtual machine of migration then according to this migration event.Said network management system obtains the corresponding VLAN configuration information of this virtual machine according to the ID of this virtual machine, and the network equipment topological relation of searching storage according to the id information of the physical server of moving into obtains the ascending physical signal switch corresponding port of this physical server of moving into.Then the VLAN configuration information with this virtual machine is handed down on the ascending physical signal switch corresponding port of the physical server correspondence of moving into.
Need to prove that in order to realize the present invention, the preferred implementation VLAN configuration information that to be said network management system issue this migration virtual machine to the ascending physical signal switch corresponding port of the physical server of moving into will be accomplished prior to the migration of virtual machine.Like this; After virtual machine (vm) migration is accomplished; The physical server of moving into sends RARP (Reverse Address Resolution Protocol to its gateway physical switches; Reverse address resolution protocol) message; Wherein carry the information such as IP address and MAC Address of virtual machine, make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine.
If after virtual machine (vm) migration is accomplished; Said network management system is just accomplished the VLAN configuration information that issues the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server of moving into; At this moment, the RARP message can't be through the ascending physical signal switch of the physical server of moving into.As the other a kind of implementation among the present invention, network management system can calculate the information of the gateway switch at the physical server place of moving into through network topology.Further; Said network management system is through the ARP table on SNMP or the aging gateway physical switches of order line; And through the edge switch transmission probe messages of said gateway physical switches to the physical server place of moving into; After the message of receiving edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of virtual machine, said virtual machine and then can access external network.
Be example still with application scenarios shown in Figure 1; If bottleneck appears in physical server A resource in running; At this moment; Need the VM 1 on this physical server A is moved on the physical server B, at this moment, network management system can obtain the ID (for example being the mac address information of this virtual machine) of this VM 1 according to the migration event of VM 1 and the id information of the physical server B that moves into.Further obtain the corresponding VLAN configuration information VLAN1 of this VM 1 according to the id information of this VM 1, the network equipment topological relation of searching storage according to the id information of physical server B obtains ascending physical signal switch (the Edge Switch 2) port Ethernet 2/1 of physical server B.At last, the said network management system VLAN configuration information VLAN1 that the VM1 that obtains is corresponding is handed down to corresponding ascending physical signal switch (the Edge Switch 2) port Ethernet 2/1 of physical server B of moving into.
When the VLAN configuration information VLAN1 that issues VM1 to corresponding ascending physical signal switch (Edge Switch2) port Ethernet 2/1 of the physical server B that moves into when network management system accomplishes prior to the virtual machine (vm) migration action; With application scenarios shown in Figure 1 is example; After virtual machine VM1 accomplishes migration; The physical server B that moves into further sends RARP (Reverse Address Resolution Protocol to its up gateway physical switches; Reverse address resolution protocol) message; In this RARP message, carry the VLAN configuration information VLAN1 of this virtual machine; Make local edge switch (Edge Switch2), gateway switch and between all physical switches (not shown) obtain the VLAN configuration information of this virtual machine through study, and make ARP table separately be able to upgrade, and then make all ascending physical signal switches of the physical server B that this is moved into all get access to the latest configuration of this virtual machine.
If after virtual machine (vm) migration is accomplished; Said network management system is just accomplished the VLAN configuration information that issues the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server B that moves into; At this moment, the RARP message can't be through the edge switch (Edge Switch 2 as shown in fig. 1) of moving into.As the other a kind of implementation among the present invention, network management system at first calculates the information of the gateway switch at the physical server B place of moving into through network topology.Further; Said network management system is through the ARP table on SNMP or aging this gateway physical switches of order line; And through edge switch (Edge Switch2) the transmission probe messages of said gateway physical switches to the physical server B place of moving into; After the message of receiving edge switch Edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of virtual machine VM1, said virtual machine VM1 can access external network.
Through two concrete embodiment said method is described in detail below.
Embodiment 1
As shown in Figure 1, virtual machine 1 (VM1) passes through the ethernet1/1 mouth that VLAN1 inserts edge switch (Edge Switch 1) before the migration on physical server A, thus accesses network.It is VLAN1 that network management system becomes to allow the VLAN that passes through with the ethernet1/1 port arrangement, then disposes on the ethernet2/1 port of switch (Edge Switch 2) on the edge of not allow VLAN1 to pass through.
When physical server A excess load, need VM 1 be moved on the physical server B.After migration event took place, network management system can perceive two kinds of message in different phase, and one is to move to carry out, and another is that migration is accomplished, and wherein these two kinds of message are sent by physical server B.
After network management system perceives the ongoing message of migration (migration event); Inquire about the database of self storing; Obtain VLAN 1 configuration information of this VM1 through the ID of VM1, the network equipment topological relation of searching storage according to the ID of physical server B obtains ascending physical signal switch (the Edge Switch 2) port Ethernet 2/1 of physical server B.At last, the said network management system VLAN configuration information VLAN1 that the VM1 that obtains is corresponding is handed down to corresponding ascending physical signal switch (the Edge Switch 2) port Ethernet 2/1 of physical server B of moving into.
Said network management system is further monitored the message that migration is accomplished, and after physical server B sends the message that migration accomplishes, in the LAN at its place, sends the RARP message, makes each physical switches of local area network (LAN) upgrade ARP table separately.
The ARP table of edge switch 2 and up all physical switches thereof is able to upgrade, and has got access to the latest position of virtual machine 1, and virtual machine 1 can the normal access network.
Need to prove; In the present embodiment, require network management system will accomplish prior to the virtual machine (vm) migration action to the VLAN configuration information VLAN1 that corresponding ascending physical signal switch (the Edge Switch 2) port Ethernet 2/1 of the physical server B that moves into issues VM1.Otherwise the RARP message of physical server B can't pass through edge switch 2, can only wait ARP table on the edge switch aging after, could generate new ARP and show, VM1 during this period can't accesses network.
Embodiment 2
As shown in Figure 1, virtual machine 1 (VM1) passes through the ethernet1/1 mouth that VLAN1 inserts edge switch (Edge Switch 1) before the migration on physical server A, thus accesses network.It is VLAN1 that network management system becomes to allow the VLAN that passes through with the ethernet1/1 port arrangement, then disposes on the ethernet2/1 port of switch (Edge Switch 2) on the edge of not allow VLAN1 to pass through.
When physical server A excess load, need VM 1 be moved on the physical server B.After migration event took place, network management system can perceive two kinds of message in different phase, and one is to move to carry out, and another is that migration is accomplished, and wherein these two kinds of message are sent by physical server B.
Send the message of migration completion as physical server B after, said physical server B can send out the ARP table that RARP message removes to upgrade local each physical server in the LAN at its place.At this moment, because ethernet2/1 is configured to not allow VLAN1 to pass through, so RARP is dropped.
Perceive the message of migration completion when Network Management Equipment after; Inquire about the database of self storing; Obtain VLAN 1 configuration information of this VM1 through the ID of VM1, the network equipment topological relation of searching storage according to the ID of physical server B obtains ascending physical signal switch (Edge Switch2) port Ethernet 2/1 of physical server B.At last, the said network management system VLAN configuration information VLAN1 that the VM1 that obtains is corresponding is handed down to corresponding ascending physical signal switch (Edge Switch2) port Ethernet 2/1 of physical server B of moving into.With the trunk mouth is example, and said network management system is configured to the VLAN that the permission of ethernet2/1 is passed through with VLAN1.
Network management system further calculates the information of the gateway switch of the physical server B that VM1 moves into through topology.After accomplishing the VLAN configuration, network management system is through the ARP table of the virtual machine VM1 of SNMP and the aging gateway switch of order line (telnet/ssh) dual mode.With the command line mode is example, and network management system telnet issues the order of aging ARP to gateway switch.Behind the aging ARP table of said gateway switch, further send probe messages and give virtual machine VM1, if can detect virtual machine VM1, show that then virtual machine a can the normal access network.
Other physical switches ARP table of edge switch 2 and upper strata thereof is able to upgrade, and gets access to the latest position of virtual machine VM1, and virtual machine VM1 can the normal access network.
Compare with existing technical scheme; The present invention is through in virtual machine generation transition process; The virtual machine of migration and the physical switches of moving into take place through the migration event perception in network management system; And the corresponding ascending physical signal switch of the physical server of moving into to virtual machine issues the VLAN configuration of this virtual machine; After virtual machine (vm) migration is accomplished; The physical server of moving into through send the RARP message make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then all ascending physical signal switches of realizing the physical server that this is moved into get access to the latest configuration of this virtual machine, virtual function normal access network on all.
The present invention provides a kind of device of VLAN configuration dynamic migration simultaneously; Said device is applied in the network system that comprises two physical servers and ascending physical signal switch formation thereof at least; Wherein said every physical server can be as required, virtually turns to a plurality of different virtual machines.Said device comprises:
Logging modle is used for the ID of the prior storage virtual machine of said device and the corresponding relation between the VLAN configuration information.
Particularly, in embodiments of the present invention, said device can obtain the corresponding relation between each virtual machine ID and VLAN configuration information through modes such as polls.Wherein said virtual machine ID specifically can be the MAC Address of this virtual machine, the information that IP address or other can this virtual machines of unique identification.Behind the ID and the corresponding relation between the VLAN configuration information that obtain all virtual machines, network management device specifically can be stored through modes such as forms through the ID of this virtual machine of logging modle storage and the corresponding relation between the VLAN configuration information.
The VLAN configuration information corresponding with VM1 shown in Figure 1 is that VLAN1 is an example, and said device is behind the corresponding relation between ID that obtains VM 1 and VLAN1 configuration information, and storage is stored this corresponding relation through the mode of form on its logging modle.
Issue module, be used for after said device perceives the network migration incident of virtual machine, the ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration information of this virtual machine.
Particularly; When resource in certain the physical server running (comprise CPU, internal memory, disk and network handle up etc.) bottleneck occurs or breaks down; Need be to other physical server with the virtual machine (vm) migration that moves on this physical server, thus reach the purpose of load balancing and efficent use of resources.When migration took place virtual machine, said device can detect this migration event, directly obtained ID and the id information of the physical server of moving into of the virtual machine of migration then according to this migration event.Said device obtains the corresponding VLAN configuration information of this virtual machine according to the ID of this virtual machine, and the network equipment topological relation of searching storage according to the id information of the physical server of moving into obtains the ascending physical signal switch corresponding port of this physical server of moving into.Then the VLAN configuration information with this virtual machine is handed down on the ascending physical signal switch corresponding port of the physical server correspondence of moving into through issuing module.
Need to prove that in order to realize the present invention, preferred implementation is that the said module that issues will be accomplished prior to the migration of virtual machine to the VLAN configuration information that the ascending physical signal switch corresponding port of the physical server of moving into issues this migration virtual machine.Like this; After virtual machine (vm) migration is accomplished; The physical server of moving into sends RARP (Reverse Address Resolution Protocol to its gateway physical switches; Reverse address resolution protocol) message; Wherein carry the information such as IP address and MAC Address of virtual machine VM1, make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine VM1.
If after virtual machine (vm) migration is accomplished; The said module that issues is just accomplished the VLAN configuration information that issues the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server of moving into; At this moment, the RARP message can't be through the edge switch (Edge Switch 2 as shown in fig. 1) of moving into.As the other a kind of implementation among the present invention, said device can calculate the information of the gateway switch at the physical server place of moving into through network topology.Further; Said network management system is through the ARP table on SNMP or the aging gateway physical switches of order line; And through the edge switch transmission probe messages of said gateway physical switches to the physical server place of moving into; After the message of receiving edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of the virtual machine of moving into, said virtual machine of moving into can access external network.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (14)
1. the method for VLAN configuration dynamic migration; Be applied in and comprise at least in the network system that two physical servers and ascending physical signal switch thereof constitute, wherein said every physical server can be as required, virtually turns to a plurality of different virtual machines; It is characterized in that said method comprises:
Step 1, in network management system the in advance ID of storage virtual machine and the corresponding relation between the VLAN configuration information;
Step 2, when network management system perceives the network migration incident of virtual machine, the ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration of this virtual machine.
2. the method for claim 1 is characterized in that, the corresponding ascending physical signal switch of physical server that said step 2 network management system is moved into to virtual machine issues the VLAN configuration information of this virtual machine, is specially:
Said network management system is obtained ID and the id information of the physical server of moving into of the virtual machine of migration according to the migration event of virtual machine; Said network management system further obtains the corresponding VLAN configuration information of this virtual machine according to the ID of this virtual machine; The network equipment topological relation of searching storage according to the id information of the physical server of moving into obtains the ascending physical signal switch corresponding port of this physical server of moving into, and then the VLAN configuration information of this virtual machine is handed down on the corresponding ascending physical signal switch corresponding port of the physical server of moving into.
3. method as claimed in claim 2 is characterized in that, said step 2 network management system issues the migration action completion of the VLAN configuration information of this migration virtual machine prior to virtual machine to the ascending physical signal switch corresponding port of the physical server of moving into.
4. method as claimed in claim 3; It is characterized in that; After virtual machine (vm) migration was accomplished, the physical server of moving into further sent the RARP message to its gateway physical switches, wherein carries IP address and the mac address information of virtual machine VM1; Make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine VM1.
5. method as claimed in claim 2; It is characterized in that; If after virtual machine (vm) migration is accomplished, said step 2 network management system just issues the VLAN configuration information of the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server of moving into, at this moment; Network management system further calculates the information of the gateway switch at the physical server place of moving into through network topology, and through the ARP table on SNMP or the aging gateway physical switches of order line.
6. method as claimed in claim 5; It is characterized in that said gateway physical switches is after the ARP table is aging, further the edge switch to the physical server place of moving into sends probe messages; After the message of receiving edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of the virtual machine of moving into, said virtual machine VM1 can access external network.
7. the method for claim 1 is characterized in that, said virtual machine ID is specially the MAC Address of this virtual machine, the information that IP address or other can this virtual machines of unique identification.
8. the device of VLAN configuration dynamic migration; Said device is applied in the network system that comprises two physical servers and ascending physical signal switch formation thereof at least; Wherein said every physical server can be as required; Virtually turn to a plurality of different virtual machines, it is characterized in that said device comprises:
Logging modle is used for the ID of the prior storage virtual machine of said device and the corresponding relation between the VLAN configuration information;
Issue module, be used for after said device perceives the network migration incident of virtual machine, the ascending physical signal switch that the physical server of moving into to virtual machine is corresponding issues the VLAN configuration information of this virtual machine.
9. device as claimed in claim 8 is characterized in that, saidly issues the VLAN configuration information that the corresponding ascending physical signal switch of physical server that module moves into to virtual machine issues this virtual machine, is specially:
Said device obtains ID and the id information of the physical server of moving into of the virtual machine of migration according to the migration event of virtual machine; Said device further obtains the corresponding VLAN configuration information of this virtual machine according to the ID of this virtual machine; The network equipment topological relation of searching storage according to the id information of the physical server of moving into obtains the ascending physical signal switch corresponding port of this physical server of moving into, and then the VLAN configuration information of this virtual machine is handed down on the corresponding ascending physical signal switch corresponding port of the physical server of moving into through issuing module.
10. device as claimed in claim 9 is characterized in that, the said module that issues issues the migration action completion of the VLAN configuration information of this migration virtual machine prior to virtual machine to the ascending physical signal switch corresponding port of the physical server of moving into.
11. device as claimed in claim 10; It is characterized in that; After virtual machine (vm) migration was accomplished, the physical server of moving into further sent the RARP message to its gateway physical switches, wherein carries IP address and the mac address information of virtual machine VM1; Make local edge switch, gateway switch and between the ARP table of all physical switches be able to upgrade, and then make all ascending physical signal switches of the physical server that this is moved into all get access to the latest configuration of this virtual machine VM1.
12. device as claimed in claim 9; It is characterized in that; If after virtual machine (vm) migration is accomplished, saidly issue module just issues VLAN configuration information from the virtual machine of migration to the corresponding port of ascending physical signal switch of the physical server of moving into, at this moment; Said device further calculates the information of the gateway switch at the physical server place of moving into through network topology, and through the ARP table on SNMP or the aging gateway physical switches of order line.
13. device as claimed in claim 12; It is characterized in that said gateway physical switches is after the ARP table is aging, further the edge switch to the physical server place of moving into sends probe messages; After the message of receiving edge switch is replied; Show that the ARP table on said edge switch and gateway switch and all physical switches between them all is able to upgrade, all got access to the latest position of the virtual machine of moving into, said virtual machine VM1 can access external network.
14. device as claimed in claim 1 is characterized in that, said virtual machine ID is specially the MAC Address of this virtual machine, the information that IP address or other can this virtual machines of unique identification.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279211.4A CN102821023B (en) | 2012-08-07 | 2012-08-07 | A kind of method and device of VLAN configuration dynamic migration |
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| CN201210279211.4A CN102821023B (en) | 2012-08-07 | 2012-08-07 | A kind of method and device of VLAN configuration dynamic migration |
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| CN107205058A (en) * | 2016-03-16 | 2017-09-26 | 中兴通讯股份有限公司 | A kind of media intervention control MAC Address processing method and processing device |
| CN106878052A (en) * | 2016-12-21 | 2017-06-20 | 新华三技术有限公司 | A kind of customer shift method and device |
| CN107370679A (en) * | 2017-07-20 | 2017-11-21 | 郑州云海信息技术有限公司 | A kind of method and device for realizing migration process |
| CN109842692A (en) * | 2018-11-13 | 2019-06-04 | 联想企业解决方案(新加坡)有限公司 | VxLAN switch, system and method for obtaining host information in physical network |
| CN110401729A (en) * | 2019-06-28 | 2019-11-01 | 苏州浪潮智能科技有限公司 | A kind of cloud platform server network moving method, system, terminal and storage medium |
| CN110401729B (en) * | 2019-06-28 | 2022-12-23 | 苏州浪潮智能科技有限公司 | Cloud platform server network migration method, system, terminal and storage medium |
| CN115297055A (en) * | 2022-07-25 | 2022-11-04 | 紫光云技术有限公司 | Public cloud host migration arp table entry updating method |
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