CN102801820A - MAC address publishing method and device in EVI network - Google Patents
MAC address publishing method and device in EVI network Download PDFInfo
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- CN102801820A CN102801820A CN2012102852191A CN201210285219A CN102801820A CN 102801820 A CN102801820 A CN 102801820A CN 2012102852191 A CN2012102852191 A CN 2012102852191A CN 201210285219 A CN201210285219 A CN 201210285219A CN 102801820 A CN102801820 A CN 102801820A
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Abstract
The invention provides an MAC (Media Access Control) address publishing method and device in an EVI (Ethernet Virtualization Interconnection) network. The method comprises the following steps: when an ED (Edge Device) configures a static MAC address or dynamically learns a local MAC address, MAC list items corresponding to the configured static MAC address or the dynamically learned MAC address are generated, and the configured static MAC address or the dynamically learned local MAC address are published to an ED of a far-end website; when a static MAC address or a dynamic MAC address published by the ED of the far-end website is received, MAC list items corresponding to the static MAC address or the dynamic MAC address which is published by the ED of the far-end website are generated; and messages are forwarded according to the generated MAC list items. According to the invention, the access rate of the far-end website is effectively guided.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of Ethernet virtual interconnected (Ethernet Virtualization Interconnection, EVI) media interviews control (MAC) address dissemination method and device in the network.
Background technology
Data center is the center that provides of miscellaneous service, is the center of data processing, storage and exchanges data.For better service is provided, provider disposes a plurality of data centers usually in the strange land, realizes load balancing and high reliability, and realizes the free migration of virtual machine between data center.Because the virtual machine (vm) migration process is to user transparent, can not change the IP address, so must realize between the data center in strange land that double layer network is interconnected being distributed in.EVI is a kind of two layers of interconnected technology of data center that realize.
The EVI network is made up of station network and core network; The edge device of each website (ED) is connected to core network; And through generic route encapsulation (GRE) tunnel between the ED of core network foundation and remote station; The completion message via the mapping and the forwarding that are based upon the gre tunneling arrival remote station the core network, can carry many virtual ethernet links (EVI link) from station network on the gre tunneling.
In the EVI network, the ED dynamic learning local mac address of each website, and be published to the ED of remote station through the local mac address that the ISIS agreement will be learnt, so that the MAC Address in this website of the ED of remote station study.The ED of each website carries out the message forwarding according to the MAC Address of the remote station of the ED issue of local mac address of learning and remote station.
Referring to Fig. 1; Fig. 1 is a MAC Address issue sketch map between the network in the prior art EVI networking; Comprise website A, website B, website C, website A, website B, website C edge device ED1, ED2, the ED3 through separately respectively are connected to core network, and the topology in each website is not drawn.The ED dynamic learning of each website behind local mac address, can through the ISIS Routing Protocol with dynamic learning to local mac address outwards issue.As shown in Figure 1; The ED1 dynamic learning has arrived local mac: MAC1 and MAC2, then can use the ISIS protocol massages with dynamic learning to MAC Address be published to ED2 and ED3, like this; ED2 and ED3 will learn to obtain the MAC Address of ED1 issue; Wherein, dotted line 11 expression ED1 with dynamic learning to MAC Address be published to website B through core network, dotted line 12 expression ED1 with dynamic learning to MAC Address be published to website C through core network.
The ED of each website through with dynamic learning to MAC Address be published to the ED of remote station; Can effectively guide the flowing of access of remote station; But and be not suitable for the MAC Address of some specific protocols, multicast mac address for example since can't dynamic learning to multicast mac address; Thereby can not multicast mac address be published to the ED of remote station, and then can not effectively guide the corresponding flowing of access of remote station.And, the ED of each website only with dynamic learning to the MAC Address ED that is published to remote station also brought the visit integrity problem, the source MAC that for example receives remote station is easily attacked, this can cause the flowing of access of each website unusual.
Summary of the invention
In view of this, the object of the present invention is to provide MAC Address dissemination method in a kind of EVI network, this method can effectively guide the flowing of access of remote station.
In order to achieve the above object, the invention provides MAC Address dissemination method in a kind of EVI network, this method comprises:
When edge device ED receives static MAC configuration order; Generate the corresponding MAC address entries of this static mac address based on static mac address information of carrying in the static MAC configuration order and outgoing interface information, and carry the IGP protocol massages of the static mac address information of carrying in the static MAC configuration order to the ED of remote station transmission;
When ED received the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends, the static mac address that carries in the study IGP protocol massages also generated the corresponding MAC address entries of static mac address that carries in the IGP protocol massages;
The ED dynamic learning generates the corresponding MAC address entries of local mac address that this dynamic learning arrives during to local mac address, and sends the IGP protocol massages that carries the local mac address information that this dynamic learning arrives to the ED of remote station;
When ED receives the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives, the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate the corresponding MAC address entries of local mac address of this remote station that the ED dynamic learning of this remote station arrives.
The present invention also provides a kind of route exchange device, is applicable as the edge device of website, and this route exchange device comprises: receiving element, list item processing unit, transmitting element; When this route exchange device is applied as ED,
Said receiving element is used to receive static MAC configuration order; Be used to receive the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends; Be used to receive the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives;
Said list item processing unit; Be used for when receiving element receives static MAC configuration order; Generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information, and the notice transmitting element carries the IGP protocol massages of the static mac address information of carrying in the static MAC configuration order to the ED of remote station transmission; Be used for when receiving element receives the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends, the static mac address that carries in the study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages; Be used for the dynamic learning local mac address, generate the corresponding MAC address entries of local mac address that this dynamic learning arrives, and the notice transmitting element sends the IGP protocol massages that carries the local mac address information that list item processing unit dynamic learning arrives to the ED of remote station; Be used for when receiving element receives the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives, the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate the corresponding MAC address entries of local mac address of this remote station that this remote station dynamic learning arrives.
In sum; Among the present invention; The ED configuring static MAC Address of current stop or dynamic learning are during to local mac address; With static mac address or the dynamic learning of configuration to local mac address be published to the ED of remote station; The ED that makes the ED of remote station may learn current stop goes up the static mac address and the local mac address of configuration, thereby the ED of guiding remote station is the message transmission current stop of the local mac address of the ED of the current stop static mac address and the current stop that go up configuration with destination address, thereby can effectively guide the flowing of access of remote station.
Description of drawings
Fig. 1 is a MAC Address issue sketch map between the network in the prior art EVI networking;
Fig. 2 is the schematic flow sheet of MAC Address dissemination method in the embodiment of the invention EVI network;
Fig. 3 is the structural representation of the route exchange device that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, technical scheme of the present invention is elaborated below in conjunction with the accompanying drawing embodiment that develops simultaneously.
Among the present invention, data center's website of having used the EVI technology is called the EVI website, sets up the tunnel via public network between the ED of different EVI websites, for example generic route encapsulation (GRE) tunnel is interconnected through two layers of the tunnel realizations of setting up, and constitutes the EVI network.
Referring to Fig. 2, Fig. 2 is the schematic flow sheet of MAC Address dissemination method in the embodiment of the invention EVI network, may further comprise the steps:
When step 201, ED receive static MAC configuration order; Generate the corresponding MAC address entries of static mac address that carries in the static MAC configuration order, and carry the IGP protocol massages of the static mac address information of carrying in the static MAC configuration order to the ED of remote station transmission.
This step; When needs on ED equipment during the configuring static MAC Address; Can import static MAC configuration order through order line, carry information such as static mac address information, outgoing interface in the static MAC configuration order, described mac address information is MAC Address or MAC Address and VLAN.After ED receives static MAC configuration order; Can generate the corresponding MAC address entries of the static mac address that carries in the static MAC configuration order, the generation method is: with carrying static mac address information, outgoing interface in the static MAC configuration order respectively as mac address information, the outgoing interface of this MAC address entries.For example; Suppose that the static mac address, the outgoing interface that carry in the static MAC configuration order are respectively MAC_A, port1; In the MAC address entries that then generates; MAC Address is that MAC_A, outgoing interface are port1, if receive the message that destination address is MAC_A, then can this message be forwarded from port1.
In addition; After ED receives static MAC configuration order; Also need the static mac address that carry in the static MAC configuration order be announced the ED to each remote station, concrete notifying method can be: the static mac address information of carrying in the static MAC configuration order is carried at the ED that sends to remote station in the IGP protocol massages.After the ED of remote station receives this IGP protocol massages, just can the static mac address that carry in this IGP protocol massages be learnt to receive the interface of this IGP protocol massages, generate the corresponding MAC address entries of static mac address that carries in the IGP protocol massages.
When step 202, ED received the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends, the static mac address that carries in the study IGP protocol massages also generated the corresponding MAC address entries of static mac address that carries in the IGP protocol massages.
When ED receives static MAC configuration order; Can the static mac address information of carrying in the static MAC configuration order be carried at the ED that sends to each remote station in the IGP protocol massages; Equally, also can receive the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends.
When ED receives the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends; With the interface of the static mac address information learning that carries in the IGP protocol massages to reception IGP protocol massages; And the corresponding MAC address entries of static mac address that carries in the generation IGP protocol massages; Like this, ED can be the message of this MAC Address according to this MAC address entries forwarding target MAC (Media Access Control) address just.
In practical application, also need carry out the announcement of dynamic MAC address between the ED of ED and remote station.ED during from the message in this website, can carry out MAC address learning in transmitting-receiving, and the local mac address that will learn announces the ED to remote station, and is same, also can receive the local mac address that the dynamic learning of the ED announcement of remote station arrives.
Therefore, the invention described above embodiment further comprises:
When step 204, ED receive the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives, the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives.
Above-mentioned steps 201-204 belongs to coordination, in no particular order order.
In the embodiment of the invention shown in Figure 2, after the ED of a certain website had disposed static mac address, if the host migration of this this MAC Address of site configuration has arrived another website, then another website can arrive this MAC Address by dynamic learning, and this MAC Address conflict will occur.In addition, two site configuration during identical static mac address, also can produce the MAC Address conflict.
In order to solve this kind MAC Address collision problem; Static mac address and dynamic MAC address are distinguished, increased MAC sign, distinguish corresponding MAC address entries of static mac address and the corresponding MAC address entries of dynamic MAC address through MAC sign at MAC address entries; If the corresponding MAC address entries of static mac address; Then a MAC of MAC address entries sign is static MAC, if the corresponding MAC address entries of dynamic MAC address, then a MAC of MAC address entries sign is dynamic MAC.
In addition, set priority that a MAC is designated the MAC address entries of static MAC is designated dynamic MAC greater than a MAC MAC address entries.To same MAC Address, if there are two corresponding MAC address entries of this MAC Address simultaneously, then identify when identical as a MAC of two MAC address entries, the MAC address entries that the back generates covers the MAC address entries of generation earlier; When a MAC of two MAC address entries identifies when inequality, the low MAC address entries of deletion priority keeps the high MAC address entries of priority.
Like this,
In step 201, after the MAC address entries of the static mac address correspondence of carrying in the said generation static configuration order, further a MAC of this MAC address entries sign is set to static MAC.
In step 202, after static mac address that carries in the said study IGP protocol massages and the MAC address entries that generates the static mac address correspondence of carrying in the IGP protocol massages, further a MAC of this MAC address entries sign is set to static MAC.
In step 203, after the MAC address entries of the local mac address correspondence that said generation dynamic learning arrives, the MAC that this MAC address entries can also further be set is designated dynamic MAC.
In step 204; The ED dynamic learning of the remote station that carries in the said study IGP protocol massages to local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, the MAC that this MAC address entries can also further be set is designated dynamic MAC.
In addition; After generating the corresponding MAC address entries of MAC Address and the MAC sign of this MAC address entries be set; Also need further carry out the MAC address entries conflict and judge, if the priority of the MAC address entries that existence conflicts with this MAC address entries and this MAC address entries greater than the priority of the MAC address entries of conflict, is then deleted the MAC address entries of conflict; If the MAC address entries that existence conflicts with this MAC address entries and the priority of this MAC address entries are not more than the priority of the MAC address entries of conflict, then delete this MAC address entries.
In the embodiment of the invention shown in Figure 2; After ED has disposed static mac address; Can also be with the static mac address deletion of configuration, the webmaster personnel can import static MAC delete command through order line, carry the static mac address information that needs deletion in the static MAC delete command.When ED received static MAC delete command, the corresponding MAC of static mac address that can search the needs deletion of carrying in the static MAC delete command was designated the MAC address entries of static MAC, in the MAC address entries that deletion finds; In addition, also need send the IGP protocol massages that carries the static mac address that needs deletion to the ED of remote station.
ED can receive the IGP protocol massages of the static mac address that the ED that carries remote station that the ED of remote station sends need delete too; At this moment; ED can search the MAC address entries that the corresponding MAC of this static mac address that need delete is designated static MAC, the MAC address entries that deletion finds.
In practical application; The webmaster personnel of website are when the configuring static MAC Address; May dispose identical static mac address and cause the situation of address conflict, this just need carry out the static mac address configuration conflict handles, and can adopt the processing that conflicts of following three kinds of modes:
Mode one, first configuration person are preferential.
Under this mode; ED is after receiving static MAC configuration order; Disposed the static mac address that carries in the static MAC configuration order if find the ED of this locality or remote station; Then can point out the webmaster personnel static MAC configuration failure, otherwise, the configuration of the static mac address that carries out carrying in the static MAC configuration order.
In concrete the realization; ED receives after the static MAC configuration order, generates before the MAC address entries of the static mac address correspondence of carrying in the static MAC configuration order, need further judge whether to exist the corresponding MAC of this MAC Address to be designated the MAC address entries of static MAC; If; Explain that then the ED of this website or the ED of remote station have disposed this static mac address, therefore can keep already present MAC address entries constant, and export local static MAC configuration failure message; Otherwise; Then explanation does not have this static mac address of ED configuration of website as yet, therefore can generate the corresponding MAC address entries of static mac address that carries in the static MAC configuration order, the static mac address configuration take-effective.
Mode two, local static MAC configuration preference.
Under this mode; ED is after receiving static MAC configuration order; No matter whether the ED of remote station has disposed this static mac address; The configuration of the static mac address that all can carry out carrying in the static MAC configuration order if exist the ED of a remote station to dispose this static mac address, then also can point out the webmaster personnel to have the static MAC conflict of far-end.
In order detecting whether the static MAC conflict of far-end to be arranged, need to distinguish local mac address and far-end MAC Address.Can in MAC address entries, add the 2nd MAC sign; Distinguish corresponding MAC address entries of local mac address and the corresponding MAC address entries of far-end MAC Address through the 2nd MAC sign; If the corresponding MAC address entries of local static state or dynamic MAC address; Then the 2nd MAC of MAC address entries sign is a local mac, if the corresponding MAC address entries of the static state of far-end or dynamic MAC address, then the 2nd MAC of MAC address entries sign is far-end MAC.
Therefore; Generating the corresponding MAC address entries of local dynamic MAC address that dynamic learning arrives; Perhaps; After generation received the MAC address entries of the static mac address correspondence of carrying in the static MAC configuration order, the 2nd MAC sign that the MAC address entries that all can further generate is corresponding was set to local mac.And after the corresponding MAC address entries of the static mac address that the static mac address that carries in the IGP protocol massages that receives of study and generating carries in the IGP protocol massages; Perhaps; The ED dynamic learning of the remote station that in the IGP protocol massages that study receives, carries to local mac address and generate after the corresponding MAC address entries of the local mac address of this remote station that the ED dynamic learning of this remote station arrives, the 2nd MAC of the MAC address entries that all can further generate identifies and is set to far-end MAC.
Like this; In the concrete realization that static MAC configuration conflict is handled; ED receives after the static MAC configuration order, generates before the MAC address entries of the static mac address correspondence of carrying in the static MAC configuration order, need further judge whether to exist a MAC corresponding with this MAC Address to be designated the MAC address entries of static MAC; If; Then, then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address, if the 2nd MAC of this already present MAC address entries is designated far-end MAC if the 2nd MAC of this already present MAC address entries is designated local mac; Then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address, and the static MAC collision message of output far-end.No matter exist MAC address entries that the corresponding MAC of this MAC Address is designated static MAC whether, all can generate the corresponding MAC address entries of static mac address that carries in the static MAC configuration order.
Correspondingly; ED receives after the IGP protocol massages that carries static mac address that the ED of remote station sends; The static mac address that carries in the study IGP protocol massages also generates before the MAC address entries of the static mac address correspondence of carrying in the IGP protocol massages, need further judge whether to exist a MAC corresponding with this MAC Address to be designated the MAC address entries of static MAC, if; Then if the 2nd MAC of this already present MAC address entries is designated local mac; Explain that then this website has disposed this static mac address, keep already present MAC address entries constant, and the static MAC collision message of output far-end; If the 2nd MAC of this already present MAC address entries is designated far-end MAC; Then explanation is that remote station has disposed this static mac address, therefore can delete this already present MAC address entries, and learns the static mac address that carries in the IGP protocol massages and generate the corresponding MAC address entries of static mac address that carries in the IGP protocol massages.
Carry out collision detection earlier before mode three, the configuration.
Under this mode, ED carries out the static mac address collision detection earlier after receiving static MAC configuration order; If do not detect the static mac address conflict; The configuration of the static mac address that then carries out carrying in the static MAC configuration order, otherwise, webmaster personnel static mac address configuration failure can be pointed out.
In concrete the realization; ED receives after the static MAC configuration order; Generate before the corresponding MAC address entries of the static mac address that carries in the static MAC configuration order, send the collision detection message that carries the static mac address that carries in the static MAC configuration order, receive the conflict back message using that the ED of remote station returns to the ED of remote station; If there is the collision flag value of carrying in the conflict back message using to be the corresponding value of conflict; The ED that remote station then is described has been configured this static mac address, thereby exports local static MAC configuration failure message, if the collision flag value of carrying in all conflict back message usings all is the corresponding value of not conflicting; The ED that remote station then is described does not dispose this static mac address, thereby generates the corresponding MAC address entries of static mac address that carries in the static MAC configuration order.In addition, when this locality has existed a MAC corresponding with this MAC Address to be designated the MAC address entries of static MAC sign, generate new list item one and refresh original list item.
When ED receives the collision detection message that the ED of remote station sends; Judge whether to exist the corresponding MAC of static mac address that carries in the collision detection message to be designated the MAC address entries of static MAC; If; Then the ED to the remote station that sends this collision detection message sends the conflict back message using that carries the corresponding collision flag value of conflict, otherwise, send the conflict back message using that carries the corresponding collision flag value of not conflicting to the ED of the remote station that sends this collision detection message.
More than MAC Address dissemination method in the embodiment of the invention EVI network is specified, the present invention also provides a kind of route exchange device, is applicable as the edge device ED in the EVI website, describes below in conjunction with Fig. 3.
Fig. 3 is the structural representation of the route exchange device that provides of the embodiment of the invention, and this route exchange device comprises: receiving element 301, list item processing unit 302, transmitting element 303; When this route exchange device is applied as ED,
Receiving element 301 is used to receive static MAC configuration order; Be used to receive the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends; Be used to receive the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives;
List item processing unit 302; Be used for when receiving element 301 receives static MAC configuration order; Generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information, and notice transmitting element 303 carries the IGP protocol massages of the static mac address information of carrying in the static MAC configuration order to the ED of remote station transmission; Be used for when receiving element 301 receives the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends, the static mac address that carries in the study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages; Be used for the dynamic learning local mac address; Generate the corresponding MAC address entries of local mac address that this dynamic learning arrives, and notice transmitting element 303 sends the IGP protocol massages that carries the local mac address information that list item processing unit 302 dynamic learnings arrive to the ED of remote station; Be used for when receiving element 301 receives the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives, the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate the corresponding MAC address entries of local mac address of this remote station that this remote station dynamic learning arrives.
Static mac address that said list item processing unit 302 carries in based on static MAC configuration order and outgoing interface information generate the corresponding MAC address entries of this static mac address; Or after the corresponding MAC address entries of the static mac address that carries in the IGP protocol massages of the static mac address that carries in the study IGP protocol massages and generating, be further used for: the MAC that this MAC address entries is set is designated static MAC;
Said list item processing unit 302 is generating the corresponding MAC address entries of local mac address that this dynamic learning arrives; Or the ED dynamic learning of the remote station that carries in the study IGP protocol massages to this remote station local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, be further used for: the MAC that this MAC address entries is set is designated dynamic MAC
Said list item processing unit 302 is after generating the corresponding MAC address entries of MAC Address and the MAC sign of this MAC address entries is set; Be further used for: if the priority of the MAC address entries that existence conflicts with this MAC address entries and this MAC address entries greater than the priority of the MAC address entries of conflict, is then deleted the MAC address entries of conflict; If the MAC address entries that existence conflicts with this MAC address entries and the priority of this MAC address entries are less than the priority of the MAC address entries of conflict; Then delete this MAC address entries; Wherein, the MAC priority that is designated the list item of static MAC is higher than the list item that a MAC is designated dynamic MAC.
In the above-mentioned route exchange device,
Said receiving element 301 is further used for receiving static MAC delete command; Be used to receive the IGP protocol massages of the static mac address that the ED that carries remote station that the ED of remote station sends need delete;
Said list item processing unit 302; Be further used for when receiving element 301 receives static MAC delete command; The corresponding MAC of static mac address that searches the needs deletion of carrying in the static MAC delete command is designated the MAC address entries of static MAC; The MAC address entries that deletion finds, and notice transmitting element 303 sends the IGP protocol massages of the static mac address information of carrying the needs deletion of carrying in the static MAC delete command to the ED of remote station; Be used for when receiving element 301 receives the IGP protocol massages of the static mac address information that the ED that carries remote station that the ED of remote station sends need delete; Search the MAC address entries that the corresponding MAC of this static mac address that need delete is designated static MAC, the MAC address entries that deletion finds.
In the above-mentioned route exchange device,
Said list item processing unit 302 is after receiving element 301 receives static MAC configuration order; Before the MAC address entries according to the static mac address information of carrying in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Be further used for: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; Then export local static MAC configuration failure message; Otherwise, generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information.
In the above-mentioned route exchange device,
Static mac address information that said list item processing unit 302 carries in based on static MAC configuration order and outgoing interface information generate the corresponding MAC address entries of this static mac address; Or generate after the corresponding MAC address entries of local mac address that this dynamic learning arrives, be further used for: the 2nd MAC that this MAC address entries is set is designated local mac;
The static mac address that said list item processing unit 302 carries in study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages; Or the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, be further used for: the 2nd MAC that this MAC address entries is set is designated far-end MAC;
Static mac address information that said list item processing unit 302 carries in according to static MAC configuration order and outgoing interface information generate before the corresponding MAC address entries of this static mac address; Be further used for: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; If the 2nd MAC of this already present MAC address entries is designated local mac; Then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address; If the 2nd MAC of this already present MAC address entries is designated far-end MAC; Then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address, and the static MAC conflicting information of output far-end;
Said list item processing unit 302 is after receiving element 301 receives the IGP protocol massages that the ED of remote station sends; The static mac address that carries in the study IGP protocol massages also generates before the MAC address entries of the static mac address correspondence of carrying in the IGP protocol massages; Be further used for: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; If the 2nd MAC of this already present MAC address entries is designated local mac; Then export the static MAC collision message of far-end; If the 2nd MAC of this already present MAC address entries is designated far-end MAC, the static mac address that carries in then this already present MAC address entries of deletion, and then study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages.
In the above-mentioned route exchange device,
Said receiving element 301 is further used for receiving the collision detection message, is used for receiving the conflict back message using;
Said list item processing unit 302 is after receiving element 301 receives static MAC configuration order; Before the MAC address entries according to the static mac address information of carrying in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Be further used for: notice transmitting element 303 sends the collision detection message that carries the static mac address that carries in the static MAC configuration order to the ED of remote station; After receiving element 301 receives the conflict back message using that the ED of remote station returns; If have and carry the corresponding collision flag value of conflict in the conflict back message using; Then export local static MAC configuration failure message; If all conflict back message usings all carry the corresponding collision flag value of not conflicting, then generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information;
Said list item processing unit 302 is when receiving element 301 receives the collision detection message; Judge whether to exist the corresponding MAC of static mac address that carries in the collision detection message to be designated the MAC address entries of static MAC; If; Then notify transmitting element 303 to send the conflict back message using that carries the corresponding collision flag value of conflict to the ED of the remote station that sends this collision detection message; Otherwise notice transmitting element 303 sends the conflict back message using that carries the corresponding collision flag value of not conflicting to the ED of the remote station that sends this collision detection message.
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 (12)
1. MAC Address dissemination method in the interconnected EVI network of Ethernet virtual is characterized in that this method comprises:
When edge device ED receives static MAC configuration order; Generate the corresponding MAC address entries of this static mac address based on static mac address information of carrying in the static MAC configuration order and outgoing interface information, and carry the IGP protocol massages of the static mac address information of carrying in the static MAC configuration order to the ED of remote station transmission;
When ED received the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends, the static mac address that carries in the study IGP protocol massages also generated the corresponding MAC address entries of static mac address that carries in the IGP protocol massages;
The ED dynamic learning generates the corresponding MAC address entries of local mac address that this dynamic learning arrives during to local mac address, and sends the IGP protocol massages that carries the local mac address information that this dynamic learning arrives to the ED of remote station;
When ED receives the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives, the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate the corresponding MAC address entries of local mac address of this remote station that the ED dynamic learning of this remote station arrives.
2. MAC Address dissemination method in the EVI network according to claim 1 is characterized in that,
Said based on static mac address information of carrying in the static MAC configuration order and the corresponding MAC address entries of this static mac address of outgoing interface information generation; Or after the corresponding MAC address entries of the static mac address that carries in the IGP protocol massages of the static mac address that carries in the study IGP protocol massages and generating, further comprise: the MAC that this MAC address entries is set is designated static MAC;
The MAC address entries that the local mac address that this dynamic learning of said generation arrives is corresponding; Or the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, further comprise: the MAC that this MAC address entries is set is designated dynamic MAC;
ED generates the corresponding MAC address entries of MAC Address and is provided with after the MAC sign of this MAC address entries; Further comprise: if the priority of the MAC address entries that existence conflicts with this MAC address entries and this MAC address entries is greater than the priority of the MAC address entries of conflict; Then delete the MAC address entries of conflict; If the MAC address entries that existence conflicts with this MAC address entries and the priority of this MAC address entries are not more than the priority of the MAC address entries of conflict; Then delete this MAC address entries, wherein, the priority that a MAC is designated the list item of static MAC is higher than the list item that a MAC is designated dynamic MAC.
3. MAC Address dissemination method in the EVI network according to claim 2 is characterized in that, this method further comprises:
When ED receives static MAC delete command; Search the corresponding MAC address entries of static mac address of the needs deletion of carrying in the static MAC delete command; Delete the MAC address entries that finds, and send the IGP protocol massages that carries the said static mac address that need delete to the ED of remote station;
When ED receives the IGP protocol massages of the static mac address that the ED that carries remote station that the ED of remote station sends need delete, search the said corresponding MAC address entries of static mac address that needs deletion, the MAC address entries that deletion finds.
4. MAC Address dissemination method in the EVI network according to claim 2 is characterized in that,
ED receives after the static MAC configuration order; Before the MAC address entries according to the static mac address information of carrying in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Further comprise: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; Then export local static MAC configuration failure message; Otherwise, generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information.
5. MAC Address dissemination method in the EVI network according to claim 2 is characterized in that,
Said based on static mac address information of carrying in the static MAC configuration order and the corresponding MAC address entries of this static mac address of outgoing interface information generation; Or generate after the corresponding MAC address entries of local mac address that this dynamic learning arrives, further comprise: the 2nd MAC that this MAC address entries is set is designated local mac;
The static mac address that carries in the said study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages; Or the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, further comprise: the 2nd MAC that this MAC address entries is set is designated far-end MAC;
Before the said MAC address entries based on the static mac address that carries in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Further comprise: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; If the 2nd MAC of this already present MAC address entries is designated local mac; Then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address; If the 2nd MAC of this already present MAC address entries is designated far-end MAC, then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address, and the static MAC collision message of output far-end;
Before static mac address that carries in the ED study IGP protocol massages and the MAC address entries that generates the static mac address correspondence of carrying in the IGP protocol massages; Further comprise: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; If the 2nd MAC of this already present MAC address entries is designated local mac; Then export the static MAC collision message of far-end; If the 2nd MAC of this already present MAC address entries is designated far-end MAC, the static mac address that carries in then this already present MAC address entries of deletion, and then study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages.
6. MAC Address dissemination method in the EVI network according to claim 2 is characterized in that,
ED receives after the static MAC configuration order; Before the MAC address entries based on the static mac address that carries in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Further comprise: the ED to remote station sends the collision detection message that carries the static mac address that carries in the static MAC configuration order; The conflict back message using that the ED of reception remote station returns; If have and carry the corresponding collision flag value of conflict in the conflict back message using; Then export local static MAC configuration failure message,, then generate the corresponding MAC address entries of this static mac address based on static mac address that carries in the static MAC configuration order and outgoing interface information if all carry the corresponding collision flag value of not conflicting in all conflict back message usings;
When ED receives the collision detection message that the ED of remote station sends; Judge whether to exist the corresponding MAC of static mac address that carries in the collision detection message to be designated the MAC address entries of static MAC; If; Then the ED to the remote station that sends this collision detection message sends the conflict back message using that carries the corresponding collision flag value of conflict, otherwise, send the conflict back message using that carries the corresponding collision flag value of not conflicting to the ED of the remote station that sends this collision detection message.
7. a route exchange device is applicable as the edge device ED in the interconnected EVI website of Ethernet virtual, it is characterized in that this route exchange device comprises: receiving element, list item processing unit, transmitting element; When this route exchange device is applied as ED,
Said receiving element is used to receive static MAC configuration order; Be used to receive the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends; Be used to receive the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives;
Said list item processing unit; Be used for when receiving element receives static MAC configuration order; Generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information, and the notice transmitting element carries the IGP protocol massages of the static mac address information of carrying in the static MAC configuration order to the ED of remote station transmission; Be used for when receiving element receives the IGP protocol massages of the static mac address information of carrying that the ED of remote station sends, the static mac address that carries in the study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages; Be used for the dynamic learning local mac address, generate the corresponding MAC address entries of local mac address that this dynamic learning arrives, and the notice transmitting element sends the IGP protocol massages that carries the local mac address information that list item processing unit dynamic learning arrives to the ED of remote station; Be used for when receiving element receives the IGP protocol massages of the local mac address information that the ED dynamic learning that carries remote station that the ED of remote station sends arrives, the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate the corresponding MAC address entries of local mac address of this remote station that this remote station dynamic learning arrives.
8. route exchange device according to claim 7 is characterized in that,
Static mac address that said list item processing unit carries in based on static MAC configuration order and outgoing interface information generate the corresponding MAC address entries of this static mac address; Or after the corresponding MAC address entries of the static mac address that carries in the IGP protocol massages of the static mac address that carries in the study IGP protocol massages and generating, be further used for: the MAC that this MAC address entries is set is designated static MAC;
Said list item processing unit is generating the corresponding MAC address entries of local mac address that this dynamic learning arrives; Or the ED dynamic learning of the remote station that carries in the study IGP protocol massages to this remote station local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, be further used for: the MAC that this MAC address entries is set is designated dynamic MAC
Said list item processing unit is after generating the corresponding MAC address entries of MAC Address and the MAC sign of this MAC address entries is set; Be further used for: if the priority of the MAC address entries that existence conflicts with this MAC address entries and this MAC address entries greater than the priority of the MAC address entries of conflict, is then deleted the MAC address entries of conflict; If the MAC address entries that existence conflicts with this MAC address entries and the priority of this MAC address entries are less than the priority of the MAC address entries of conflict; Then delete this MAC address entries; Wherein, the MAC priority that is designated the list item of static MAC is higher than the list item that a MAC is designated dynamic MAC.
9. route exchange device according to claim 8 is characterized in that,
Said receiving element is further used for receiving static MAC delete command; Be used to receive the IGP protocol massages of the static mac address that the ED that carries remote station that the ED of remote station sends need delete;
Said list item processing unit; Be further used for when receiving element receives static MAC delete command; The corresponding MAC of static mac address that searches the needs deletion of carrying in the static MAC delete command is designated the MAC address entries of static MAC; The MAC address entries that deletion finds, and the notice transmitting element sends the IGP protocol massages of the static mac address information of carrying the needs deletion of carrying in the static MAC delete command to the ED of remote station; Be used for when receiving element receives the IGP protocol massages of the static mac address information that the ED that carries remote station that the ED of remote station sends need delete; Search the MAC address entries that the corresponding MAC of this static mac address that need delete is designated static MAC, the MAC address entries that deletion finds.
10. route exchange device according to claim 8 is characterized in that,
Said list item processing unit is after receiving element receives static MAC configuration order; Before the MAC address entries according to the static mac address information of carrying in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Be further used for: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; Then export local static MAC configuration failure message; Otherwise, generate the corresponding MAC address entries of this static mac address according to static mac address information of carrying in the static MAC configuration order and outgoing interface information.
11. route exchange device according to claim 8 is characterized in that,
Static mac address information that said list item processing unit carries in based on static MAC configuration order and outgoing interface information generate the corresponding MAC address entries of this static mac address; Or generate after the corresponding MAC address entries of local mac address that this dynamic learning arrives, be further used for: the 2nd MAC that this MAC address entries is set is designated local mac;
The static mac address that said list item processing unit carries in study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages; Or the ED dynamic learning of the remote station that carries in the study IGP protocol massages to local mac address and generate after the corresponding MAC address entries of local mac address that the ED dynamic learning of this remote station arrives, be further used for: the 2nd MAC that this MAC address entries is set is designated far-end MAC;
Static mac address information that said list item processing unit carries in according to static MAC configuration order and outgoing interface information generate before the corresponding MAC address entries of this static mac address; Be further used for: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; If the 2nd MAC of this already present MAC address entries is designated local mac; Then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address; If the 2nd MAC of this already present MAC address entries is designated far-end MAC; Then delete this already present MAC address entries and then generate the corresponding MAC address entries of this static mac address, and the static MAC conflicting information of output far-end;
Said list item processing unit is after receiving element receives the IGP protocol massages that the ED of remote station sends; The static mac address that carries in the study IGP protocol massages also generates before the MAC address entries of the static mac address correspondence of carrying in the IGP protocol massages; Be further used for: if existed a MAC corresponding to be designated the MAC address entries of static MAC with this MAC Address; If the 2nd MAC of this already present MAC address entries is designated local mac; Then export the static MAC collision message of far-end; If the 2nd MAC of this already present MAC address entries is designated far-end MAC, the static mac address that carries in then this already present MAC address entries of deletion, and then study IGP protocol massages also generates the corresponding MAC address entries of static mac address that carries in the IGP protocol massages.
12. route exchange device according to claim 8 is characterized in that,
Said receiving element is further used for receiving the collision detection message, is used for receiving the conflict back message using;
Said list item processing unit is after receiving element receives static MAC configuration order; Before the MAC address entries based on the static mac address information of carrying in the static MAC configuration order and this static mac address correspondence of outgoing interface information generation; Be further used for: the notice transmitting element sends the collision detection message that carries the static mac address that carries in the static MAC configuration order to the ED of remote station; After receiving element receives the conflict back message using that the ED of remote station returns; If have and carry the corresponding collision flag value of conflict in the conflict back message using; Then export local static MAC configuration failure message,, then generate the corresponding MAC address entries of this static mac address based on static mac address information of carrying in the static MAC configuration order and outgoing interface information if all conflict back message usings all carry the corresponding collision flag value of not conflicting;
Said list item processing unit is when receiving element receives the collision detection message; Judge whether to exist the corresponding MAC of static mac address that carries in the collision detection message to be designated the MAC address entries of static MAC; If; Then notify transmitting element to send the conflict back message using that carries the corresponding collision flag value of conflict to the ED of the remote station that sends this collision detection message; Otherwise the notice transmitting element sends the conflict back message using that carries the corresponding collision flag value of not conflicting to the ED of the remote station that sends this collision detection message.
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