CN103780437A - Information synchronization method and device - Google Patents
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- CN103780437A CN103780437A CN201410058470.3A CN201410058470A CN103780437A CN 103780437 A CN103780437 A CN 103780437A CN 201410058470 A CN201410058470 A CN 201410058470A CN 103780437 A CN103780437 A CN 103780437A
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Abstract
The invention discloses an information synchronization method. The method comprises the steps that when selection of specified devices in a multi-home network is finished, the specified devices are specified VLAN forwarders configured for multi-home edge bridge devices, and specified results are sent to the multi-home edge bridge devices through LSP flooding. On the basis of the same inventive concept, the invention further provides a device. According to the device, the problem that due to the fact that a hello message can not carry the specified results completely when the hello message is received and sent, fragmentation recombination flows are increased is avoided, and therefore the realization complexity of the network is lowered.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of information synchronization method and device.
Background technology
The website of different physical locations is all crossed in the deployment of current a lot of enterprise network and data center.Multilink transparent interconnection (TRansparent Interconnection of Lots of Links, TRILL) virtual interconnected (the Ethernet virtualization Interconnection of technology and Ethernet, EVI) technology, the technology of two layers of interconnecting function all can be provided for the physical site of disperseing, by set up virtual network between website edge device, provide two layers between station network interconnected, by large interconnected multiple websites formation two layers forward territories.
In order to guarantee the reliability of transfer of data between website, and realize load balancing simultaneously, tend to use multiple edge bridge equipment in website, by many attributable system access public networks, these edge bridge equipment can be called many ownership edge bridge equipment.On many ownership edge bridge equipment, carry out the flow of division equipment carrying by VLAN, make all local flow of each VLAN by same many ownership edge bridge equipment turnover public networks.In TRILL network, belong to edge bridge equipment is routing bridge (Routing Bridge, the RB) equipment of many ownership more.And in EVI network, belong to edge bridge equipment is edge device (Edge Device, the ED) equipment of many ownership more.
In many home network of TRILL, routing bridge (the Routing Bridge of many ownership, RB) equipment is being specified routing bridge (Designated Routing Bridge, DRB) elected, and be that each Virtual Local Area Network is specified assigned vlan forwarding person (Appointed VLAN-x Forwarder, AVF) afterwards,, while sending designated result to each RB, by shaking hands, (Hello) message is sent completely.
In many home network of EVI, edge device (the Edge Device of many ownership, ED) equipment is at designated edge equipment (Designated Edge Device, DED) elected, and be that each VLAN specifies designated edge forwarding person (Apointed Edge Forwarder, AEF), while sending designated result to other each ED, be sent completely by hello packet afterwards.
Therefore, no matter be in many home network of TRILL or EVI, be all the allocation result of transmitting AVF or LAV by hello packet, and a hello packet cannot completely carry these VLAN, completes transmission so hello packet will be carried out to burst.Therefore, the transmitting-receiving of the hello packet between each many ownership edge bridge equipment will increase the IP fragmentation and reassembly flow process of hello packet, thereby has increased the complexity that network is realized.
Summary of the invention
In view of this, the invention provides a kind of information synchronization method and device, avoid a hello packet completely to carry designated result and when hello packet, increase IP fragmentation and reassembly flow process in transmitting-receiving, thereby reduced the complexity that network is realized.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of information synchronization method, is applied on the arbitrary many ownership edge bridge equipment in many home network, and described method comprises:
How ownership edge bridge equipment is by the port of the LAN network segment being connected to, and configuration allows the VLAN passing through, and the information of the VLAN enabling separately of other many ownership edge bridge equipment transmissions stores in a LSDB of described port;
This many ownership edge bridge equipment carries out designated equipment election;
In the time that this many ownership edge bridge equipment election is designated equipment, for the each VLAN in a described LSDB specifies forwarding person, and after specifying forwarding person to finish, generate LSP message and flood to other many ownership edge bridge equipment according to designated result, and the VLAN that specifies forwarding person to be this equipment being stored into the forwarding for guide data message in the 2nd LSDB of described port;
In the time that this many ownership edge bridge equipment election is non-designated equipment, receive after all LSP messages that designated equipment floods, obtain the VLAN that specifies forwarding person to be this equipment in described LSP message, be updated to the forwarding for guide data message in the 2nd LSDB of described port.
A kind of device, can be applicable on the arbitrary many ownership edge bridge equipment in many home network, and this device comprises: memory cell, election unit and processing unit;
Described memory cell, for by the port of the LAN network segment being connected to, configuration allows the VLAN passing through, and information of the VLAN that enable separately that send of other many ownership edge bridge equipment store in a LSDB of described port; The VLAN of the equipment that the appointment forwarding person that described processing unit is specified is this place, unit stores the forwarding for guide data message in the 2nd LSDB of described port into;
Described election unit, for carrying out designated equipment election;
Described processing unit, for in the time that described election unit elects this place, unit equipment to be designated equipment, for the each VLAN in the LSDB in described memory cell specifies forwarding person, and after specifying forwarding person to finish, generate LSP message and flood to other many ownership edge bridge equipment according to designated result; In the time that described election unit elects this place, unit equipment to be non-designated equipment, receive after all LSP messages that designated equipment floods, obtain the VLAN that specifies forwarding person to be this equipment in described LSP message, trigger the forwarding for guide data message in the 2nd LSDB that described memory cell is updated to described port.
In sum, the present invention is when in many home network, designated equipment has been elected, designated equipment is that each VLAN of each many ownership edge bridge equipment configuration specifies forwarding person, and designated result is flooded to each many ownership edge bridge equipment by LSP, avoid a hello packet completely to carry designated result and in transmitting-receiving when hello packet, increase IP fragmentation and reassembly flow process, thereby reduced the complexity that network is realized.
Accompanying drawing explanation
Fig. 1 is information synchronization method schematic flow sheet in the specific embodiment of the invention;
Fig. 2 is the multi-home networking schematic diagram of TRILL;
Fig. 3 is the specific embodiment of the invention is noticed VLAN forwarding person schematic diagram for DRB;
Fig. 4 is the schematic diagram of Appointed Information in Fig. 3;
Fig. 5 is the apparatus structure schematic diagram that is applied to above-mentioned technology in the specific embodiment of the invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, scheme of the present invention is described in further detail.
A kind of information synchronization method is proposed in the embodiment of the present invention, be applied on the arbitrary many ownership edge bridge equipment in many home network, when in many home network, designated equipment has been elected, designated equipment is that each VLAN of each many ownership edge bridge equipment configuration specifies forwarding person, and designated result is passed through to Link State Protocol Data Unit (Link State PDU, LSP) message floods to each many ownership edge bridge equipment, avoid a hello packet completely to carry designated result and in transmitting-receiving when hello packet, increase IP fragmentation and reassembly flow process, thereby reduce the complexity that network is realized.
Many home network in the specific embodiment of the invention, can be many home network of TRILL, can be also many ownership networking of EVI.
In many home network of TRILL, many ownership edge bridge equipment is RB, and in many home network of EVI, many ownership edge bridge equipment is ED.
Referring to Fig. 1, Fig. 1 is information synchronization method schematic flow sheet in the specific embodiment of the invention.Concrete steps are:
The information of each VLAN comprises VLAN ID and device identification, and in the time of specific implementation, device identification can be the MAC Address of equipment.
In the time of existing realization, the VLAN that the permission of configuration is passed through sends by hello packet, if the VLAN number that the permission of configuration is passed through is more, and when discontinuous, while transmission with hello packet, need to complete with the hello packet of multiple bursts, also need the hello packet carrying out each burst to recombinate at receiving terminal like this.
In the specific embodiment of the invention, on the port of the LAN network segment that can use LSP message to be sent in to be connected to, configuration allows the VLAN passing through, and is specifically treated to:
This many ownership edge bridge equipment is on the port of the LAN network segment being connected to, and after the VLAN that configuration allows to pass through, the VLAN that the permission of configuration is passed through is encapsulated in LSP message, and sends to other many ownership edge bridge equipment.
When the VLAN that the permission of configuration is passed through is encapsulated in LSP message, with TLV form encapsulation, the content of TLV is carried at the TLV in hello packet during with existing realization.
This many ownership edge bridge equipment also can receive the LSP message that other many ownership edge bridge equipment send by this port, and this equipment that carries the port arrangement of the local LSP of transmission message in the LSP message that each many ownership edge bridge equipment sends allows the VLAN passing through.
The information of the VLAN enabling separately that in this step, many ownership edge bridge equipment sends other many ownership edge bridge equipment stores in a LSDB of described port, specifically comprise: while receiving the LSP message of other many ownership edge bridge equipment transmissions by described port, the information of the VLAN that this LSP message is carried stores in a LSDB.
Like this, this port, this many ownership edge bridge equipment connection to the LSDB of port of the LAN network segment in just stored the VLAN that permissions that all many ownership edge bridge equipment in these many home network configure on the port of the LAN network segment being connected to are passed through.Be elected as many ownership edge bridge equipment of designated equipment, according to a LSDB, specify the forwarding person of each VLAN, that is, a LSDB is used to specify equipment and carries out VLAN forwarding person's appointment.
When initial, be that designated equipment is not while completing forwarding person's appointment, although having configured on the port of the LAN network segment being connected to, each equipment allows the VLAN that passes through, but in order to prevent loop, can block these VLAN temporarily, the 2nd LSDB of the port of the LAN network segment being connected to is for empty, and the data which VLAN the 2nd LSDB is used to specify in can send.
In the specific embodiment of the invention, each many ownership edge bridge equipment sends while being used for electing the priority of designated equipment, still uses hello packet to send, and reduces the change to original realization, does not also waste resource.
Each many ownership edge bridge equipment, in the time sending hello packet to other many ownership edge bridge equipment, carries this priority facility.
Each many ownership edge bridge equipment carries out designated equipment election according to the priority of carrying in the hello packet receiving, if there is identical can conducting an election according to MAC Address in priority, concrete election process, with existing realization, does not limit in the specific embodiment of the invention.
In TRILL network, designated equipment is DRB, and in EVI network, designated equipment is DED.
Designated equipment is that the each VLAN in a LSDB specifies forwarding person's process with existing realization, as by which kind of rule specified etc.For TRILL network, be for each VLAN specifies AVF, be to specify LAV for each VLAN for EVI network.
After specifying forwarding person to finish, in the concrete enforcement of the present invention, use LSP that designated result is flooded to all many ownership edge bridge equipment.
Each many ownership edge bridge equipment is follow-up while carrying out data message forwarding, determine whether to forward according to the VLAN in the 2nd LSDB of this locality, if the VLAN under the data message that needs to forward is in described the 2nd LSDB, by port repeat corresponding to the 2nd LSDB; Otherwise, not by port repeat corresponding to the 2nd LSDB.
In step 104, obtain in described LSP and specify the VLAN that forwarding person is this equipment, store in the 2nd local LSDB, comprising:
For the arbitrary VLAN obtaining, if there is not this VLAN in the 2nd LSDB of definite this port, this VLAN is increased in the 2nd LSDB.
Store VLAN in the 2nd LSDB into, be issued to the VLAN of datum plane, this port can forward the data message in this VLAN.
When the VLAN existing in the 2nd LSDB of this port does not exist in the current VLAN obtaining, block this VLAN in the 2nd LSDB.
If the forwarding person who originally specifies for VLAN1 is this many ownership edge bridge equipment, after redistributing, when the appointment forwarding person of VLAN1 is no longer this many ownership edge bridge equipment, VLAN1 is deleted from datum plane, block VLAN1.
If there is the VLAN redistributing in the 2nd LSDB, remained unchanged.
In the time of arbitrary many ownership edge bridge equipment faults, do not send Hello keep-alive message, other many ownership edge bridge equipment just can not receive the Hello keep-alive message that this many ownership edge bridge equipment sends.
In the time that this many ownership edge bridge equipment election is designated equipment, if do not receive in the given time the Hello keep-alive message that arbitrary non-designated equipment sends, delete the information of the VLAN that in a LSDB, this non-designated equipment sends, and be that in a current LSDB, each VLAN specifies forwarding person, wherein, the forwarding person of appointment does not comprise described non-designated equipment;
In the time that this many ownership edge bridge equipment election is non-designated equipment, if do not receive in the given time the Hello keep-alive message that designated equipment sends, the information deletion of the VLAN designated equipment in a LSDB being sent, and re-start designated equipment election.
The process re-electing, and after election, carry out the forwarding person's of VLAN the same description above of appointment, repeat no longer one by one here.
This many ownership edge bridge equipment is in the time determining that the LSP storing in a LSDB changes, again be that in a LSDB, each VLAN specifies forwarding person, and after specifying forwarding person to finish, generate LSP message and flood to other many ownership edge bridge equipment according to designated result; Meanwhile, the VLAN that is this equipment by the forwarding person who reassigns is updated in the 2nd LSDB of this port.
LSP in the one LSDB changes, may be that certain many ownership edge bridge equipment in many home network is on the port of the LAN network segment being connected to, configuration allows the VLAN passing through that variation has occurred, also may be certain many ownership edge bridge equipment fault, can not receive carrying of its transmission and enable the LSP message of VLAN.
The one LSDB and the 2nd LSDB can be stored in a LSDB, also can not store in same LSDB.
Below in conjunction with accompanying drawing, take TRILL network as example, describe information synchronizing process in the specific embodiment of the invention in detail.
Referring to Fig. 2, the multi-home networking schematic diagram that Fig. 2 is TRILL.In Fig. 2, RB1, RB2, RB3 and RB4 are many ownership edge bridge equipment, and on the port of the LAN1 network segment being connected in this locality respectively, configuration allows the VLAN passing through.
As RB1 configures on port one, to allow the VLAN that passes through be VLAN1-VLAN5, VLAN10-VLAN15; RB2 configures and allows the VLAN passing through on port one is the odd vlan between VLAN1-VLAN30; RB3 configures and allows the VLAN passing through on port one is the even-numbered vlans between VLAN1-VLAN30; The VLAN that the permission that RB4 configures on port one is passed through is VLAN-VLAN30.The VLAN configuring on switch is VLAN1-VLAN30.
The VLAN that the permission that each RB configures on port one according to this locality is passed through, generates LSP with the form of TLV, and is carried at and in LSP message, sends to other RB; The LSP of generation is stored in a LSDB of port one simultaneously.
Each RB also can receive the LSP message that other RB send, and the TLV information that the LSP message of sending carries is the information of the VLAN that passes through of the permission of transmitting apparatus configuration.
Take RB1 as example, RB1 receives after the LSP message that RB2, RB3 and RB4 send, and the LSP that message is carried stores in a LSDB.
At this moment, the 2nd LSDB of the port one of each RB, is used for database that guide data forwards for empty, has blocked the VLAN that the local permission configuring on port one is passed through temporarily.
The priority of carrying each equipment by sending hello packet between each RB, each RB carries out DRB election according to the priority of carrying in the hello packet receiving, and election process, rule, with existing realization, do not limit in the specific embodiment of the invention.
In the time that DRB has elected, if RB1 election is DRB, RB1 is that the VLAN1-VLAN30 in a LSDB specifies AVF.
Specified rule and process are with existing realization, and if RB1 is by RB1, this equipment is appointed as the AVF of VLAN1-VLAN5; RB2 is appointed as to the AVF of the odd vlan of VLNA6-VLAN20; RB3 is appointed as to the AVF of the even-numbered vlans of VLAN6-VLAN20; RB4 is appointed as to the AVF of the VLAN of VLAN21-VLAN30.
RB1, after appointment finishes, is encapsulated into designated result in LSP message with the form of TLV, and the LSP message of generation is flooded to all RB.Meanwhile, the VLAN1-VLAN5 that distributes to this RB is stored in the 2nd LSDB, for the forwarding of guide data message.
Be encapsulated in the structure of the TLV in LSP message referring to Fig. 3, Fig. 3 is the specific embodiment of the invention is noticed VLAN forwarding person schematic diagram for DRB.
Type in Fig. 3: specify forwarding person (AppointedFwrdrs), 3;
Length:10 × N, N is appointed information (Appointed Information) quantity.
The structure of Appointed Information in Fig. 3 is referring to Fig. 4, and Fig. 4 is the schematic diagram of Appointed Information in Fig. 3.
In Fig. 4, des's MAC Address (Appointee Mac Address): the MAC Address that is designated as certain VLAN forwarding person's RB;
RESV: retain position, fill out 0;
Start.VLAN: initial VLAN;
End.VLAN: finish VLAN.
Send LAN network segment CSNP at RB1 to the LAN1 network segment, carry out LSP message synchronize with other RB, CSNP has carried the summary info of all LSP messages, sends the process co-occurrence of LSP message owing to sending the process of LSP message at the LAN network segment.
RB2, RB3 and RB4 election are common RB, i.e. non-designated RB, in the time receiving the LSP message of RB1 transmission, obtain and specify the VLAN that AVF is this equipment, be one's own TLV, as interim TLV database, compare with the VLAN in the 2nd LSDB of local port 1.
Take RB2 as example, to receive for the first time the LSP that DRB sends if current, VLAN(TLV corresponding to MAC Address that the MAC Address of obtaining appointment forwarding person is this RB), it is the odd vlan of VLNA6-VLAN20, directly store in the 2nd LSDB, be issued to datum plane by these VLAN, be set to allow to pass through VLAN.
If not the LSP that receives for the first time DRB transmission, VLAN(TLV corresponding to MAC Address that the MAC Address of obtaining the appointment forwarding person who carries in the current LSP receiving is this RB), and storage temporarily, compare with the VLAN in the 2nd LSDB of port one, for arbitrary VLAN of interim storage, if store in the 2nd LSDB, remain unchanged; If not storage, stores in the 2nd LSDB in LSDB, travel through after the VLAN of each interim storage, determine whether to exist the VLAN having in the 2nd LSDB, and do not have in the VLAN of interim storage, if existed, delete this VLAN in LSDB, on RB2, block this VLAN.
Also can be current after the LSP that sends of this time DRB all receives, obtain all belonging to after the VLAN of this equipment as forwarding person, the VLAN all replacing in the 2nd LSDB realizes.
The processing of RB3 and RB4 is similar with RB2, gives an example no longer one by one here.
In the time of RB2 fault; RB1, RB3 and RB4 all do not receive the Hello keep-alive message that RB2 sends in the given time; RB1 re-starts the appointment of each VLAN is forwarded according to the information of the VLAN in a LSDB; but do not comprise the VLAN of the upper configuration of RB2; the VLAN not configuring on other RB; in the time specifying forwarding person, do not specify RB2 yet.
In the time of RB1 fault, RB2, RB3 and RB4 all do not receive the Hello keep-alive message that RB1 sends in the given time, re-start DRB election, and are VLAN appointment forwarding person.
Based on same inventive concept, the application also proposes a kind of device, can be applicable on the arbitrary many ownership edge bridge equipment in many home network.Referring to Fig. 5, Fig. 5 is the apparatus structure schematic diagram that is applied to above-mentioned technology in the specific embodiment of the invention.This device comprises: memory cell 501, election unit 502 and processing unit 503.
Preferably,
Preferably,
Preferably,
Preferably,
The unit of above-described embodiment can be integrated in one, and also can separate deployment; Can merge into a unit, also can further split into multiple subelements.
In sum, the present invention is when in many home network, designated equipment has been elected, designated equipment is that each VLAN of each many ownership edge bridge equipment configuration specifies forwarding person, and designated result is flooded to each many ownership edge bridge equipment by LSP, avoid a hello packet completely to carry designated result and in transmitting-receiving when hello packet, increase IP fragmentation and reassembly flow process, thereby reduced the complexity that network is realized.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an information synchronization method, is applied on the arbitrary many ownership edge bridge equipment in many home network, it is characterized in that, described method comprises:
Many ownership edge bridge equipment will be connected on the port of the local area network (LAN) LAN network segment, configuration allows the virtual LAN VLAN of passing through, and the information of the VLAN enabling separately of other many ownership edge bridge equipment transmissions stores in the first LSD LSDB of described port;
This many ownership edge bridge equipment carries out designated equipment election;
In the time that this many ownership edge bridge equipment election is designated equipment, for the each VLAN in a described LSDB specifies forwarding person, and after specifying forwarding person to finish, according to designated result link generation status protocol data cell LSP message and flood to other many ownership edge bridge equipment, and the VLAN that specifies forwarding person to be this equipment is stored into the forwarding for guide data message in the 2nd LSDB of described port;
In the time that this many ownership edge bridge equipment election is non-designated equipment, receive after all LSP messages that designated equipment floods, obtain the VLAN that specifies forwarding person to be this equipment in described LSP message, be updated to the forwarding for guide data message in the 2nd LSDB of described port.
2. method according to claim 1, is characterized in that, described method further comprises: the VLAN that the permission of described configuration is passed through is encapsulated in LSP message, and gives other many ownership edge bridge equipment;
The information of the VLAN enabling separately that described many ownership edge bridge equipment sends other many ownership edge bridge equipment stores in a LSDB of described port, comprise: while receiving the LSP message of other many ownership edge bridge equipment transmissions by described port, the information of the VLAN that this LSP message is carried stores in a LSDB.
3. method according to claim 1 and 2, is characterized in that, described method further comprises:
In the time that this many ownership edge bridge equipment election is designated equipment, if do not receive in the given time the Hello keep-alive message that arbitrary non-designated equipment sends, delete the information of the VLAN that in a LSDB, this non-designated equipment sends, and be that in a current LSDB, each VLAN specifies forwarding person, wherein, the forwarding person of appointment does not comprise described non-designated equipment;
In the time that this many ownership edge bridge equipment election is non-designated equipment, if do not receive in the given time the Hello keep-alive message that designated equipment sends, the information deletion of the VLAN designated equipment in a LSDB being sent, and re-start designated equipment election.
4. method according to claim 1 and 2, is characterized in that, described method further comprises:
This many ownership edge bridge equipment is in the time determining that the LSP storing in a LSDB changes, again be that in a LSDB, each VLAN specifies forwarding person, and after specifying forwarding person to finish, generate LSP message and flood to other many ownership edge bridge equipment according to designated result; Meanwhile, the VLAN that is this equipment by the forwarding person who reassigns is updated in the 2nd LSDB of this port.
5. method according to claim 1 and 2, is characterized in that, described in obtain the VLAN that specifies forwarding person to be this equipment in described LSP message, be updated in the 2nd LSDB of described port, comprising:
For the arbitrary VLAN obtaining, if there is not this VLAN in the 2nd LSDB of definite this port, this VLAN is increased in the 2nd LSDB;
When the VLAN existing in the 2nd LSDB of this port does not exist in the current VLAN obtaining, block this VLAN in the 2nd LSDB.
6. a device, can be applicable to, on the arbitrary many ownership edge bridge equipment in many home network, it is characterized in that, this device comprises: memory cell, election unit and processing unit;
Described memory cell, be used for the port of the local area network (LAN) LAN network segment being connected to, configuration allows the virtual LAN VLAN of passing through, and the information of the VLAN enabling separately of other many ownership edge bridge equipment transmissions stores in the first LSD LSDB of described port; The VLAN of the equipment that the forwarding person that described processing unit is specified is this place, unit stores the forwarding for guide data message in the 2nd LSDB of described port into;
Described election unit, for carrying out designated equipment election;
Described processing unit, for in the time that described election unit elects this place, unit equipment to be designated equipment, for the each VLAN in the LSDB in described memory cell specifies forwarding person, and specifying after forwarding person finishes, according to designated result link generation status protocol data cell LSP message and flood to other many ownership edge bridge equipment; In the time that described election unit elects this place, unit equipment to be non-designated equipment, receive after all LSP messages that designated equipment floods, obtain the VLAN that specifies forwarding person to be this equipment in described LSP message, trigger the forwarding for guide data message in the 2nd LSDB that described memory cell is updated to described port.
7. device according to claim 6, is characterized in that,
Described processing unit, the VLAN that is further used for that the permission of described configuration is passed through is encapsulated in LSP message, and gives other many ownership edge bridge equipment; In a LSDB who the information of the VLAN enabling separately of other many ownership edge bridge equipment transmissions is stored into described port time, when receive LSP messages that other many ownership edge bridge equipment send by described port, the information of the VLAN that this LSP message is carried stores in a LSDB.
8. according to the device described in claim 6 or 7, it is characterized in that,
Described processing unit, be further used in the time that this place, unit equipment election is designated equipment, if do not receive in the given time the Hello keep-alive message that arbitrary non-designated equipment sends, trigger described memory cell and delete the information of the VLAN that in a LSDB, this non-designated equipment sends, and be that in a current LSDB, each VLAN specifies forwarding person, wherein, the forwarding person of appointment does not comprise described non-designated equipment; In the time that this place, unit equipment election is non-designated equipment; if do not receive in the given time the Hello keep-alive message that designated equipment sends; trigger the information deletion of the VLAN that described memory cell sends designated equipment in a LSDB, and trigger described election unit and re-start designated equipment election.
9. according to the device described in claim 6 or 7, it is characterized in that,
Described processing unit, be further used for determining when the LSP storing in a LSDB changes, again be that in a LSDB, each VLAN specifies forwarding person, and after specifying forwarding person to finish, generate LSP message and flood to other many ownership edge bridge equipment according to designated result; Meanwhile, triggering the VLAN that described memory cell is this equipment by the forwarding person who reassigns is updated in the 2nd LSDB of this port.
10. according to the device described in claim 6 or 7, it is characterized in that,
Described processing unit, specifically for obtaining the VLAN that specifies forwarding person to be this equipment in described LSP message, while being updated in the 2nd LSDB of described port, for the arbitrary VLAN obtaining, if there is not this VLAN in the 2nd LSDB of definite this port, this VLAN be increased in the 2nd LSDB; When the VLAN existing in the 2nd LSDB of this port does not exist in the current VLAN obtaining, block this VLAN in the 2nd LSDB.
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| CN105721395A (en) * | 2014-12-03 | 2016-06-29 | 华为数字技术（苏州）有限公司 | Data synchronization configuration method, apparatus and system |
| CN108494701A (en) * | 2018-03-30 | 2018-09-04 | 新华三技术有限公司 | Load sharing method and device |
| CN109104364A (en) * | 2017-11-27 | 2018-12-28 | 新华三技术有限公司 | One kind is specified to turn originator electoral machinery and device |
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| CN102882784A (en) * | 2012-10-16 | 2013-01-16 | 杭州华三通信技术有限公司 | LSP (Layered Service Provider) information flooding method and equipment in SPBM (Shortest Path Bridging MAC) |
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| CN108494701B (en) * | 2018-03-30 | 2021-12-10 | 新华三技术有限公司 | Load sharing method and device |
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