CN103840972B - The system and method backed up between packet network link aggregation group - Google Patents
The system and method backed up between packet network link aggregation group Download PDFInfo
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- CN103840972B CN103840972B CN201410056644.2A CN201410056644A CN103840972B CN 103840972 B CN103840972 B CN 103840972B CN 201410056644 A CN201410056644 A CN 201410056644A CN 103840972 B CN103840972 B CN 103840972B
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Abstract
The invention discloses the system and method backed up between a kind of packet network link aggregation group, it is related to packet network field, this method comprises the following steps：Trunk1 is configured on the first device, configures the Trunk1 of model identical on the second device, it is ensured that normal work；Trunk2 is configured on the first device, configures the Trunk2 of model identical on the second device, it is ensured that normal work；Trunk1 and Trunk2 pattern is identical or different；System is arbitrarily designated an aggregation group priority task in Trunk1, Trunk2, and another aggregation group is Status of Backups automatically；When the link of the active link aggregation group of two equipment rooms breaks down, system specifies inactive link aggregation group to be changed into working condition, and the business of faulty link, which is switched on the link of inactive link aggregation group, to be transmitted.The service traffics of the link aggregation group to break down can be switched to another standby aggregation group by the present invention, be protected business.
Description
Technical field
The present invention relates to packet network field, it is specifically related to what is backed up between a kind of packet network link aggregation group
System and method.
Background technology
With the development of society, the growth of data business volume, the high request of service quality, in packet network, at present
MPLS is used（Multi-Protocol Label Switching, multiprotocol label switching）、MPLS_TP（MPLS-
Transport Profile, towards the multiprotocol label switching of transmission）、VLAN（Virtual Local Area Network,
VLAN）The technology such as exchange and realize traffic engineering.Before user data transmission, service of formulating etc. is required according to user
Level agreement, allocate the forward-path of data in advance by control protocol, bandwidth resources, being formed has the quality of service guarantee such as bandwidth
Service flow, and when network resource status changes, the forward-path of service flow is further adjusted, so as to meet user
QoS（Quality of Service, service quality）It is required that so TE（Traffic Engineering, traffic engineering）Skill
Art is more and more extensive in the application of carrier network at present.High bandwidth, that high availability has become packet network is most important
Feature.Link aggregation is an important technology for meeting packet network high availability and high bandwidth.
Link aggregation technology is to bundle a plurality of physical link of two LA Management Rooms in packet network, forms logic
On a link so that the link is logically an entirety, appears to be a link in miscellaneous equipment, shields inside
Composition and transmit data details, there is provided bigger bandwidth and redundancy backup ability.Obviously, link aggregation technology can reach letter
Change the purpose of network topology.In addition, the physical link of polymeric internal can complete data transmit-receive task jointly and mutually back up, as long as
Also exist can normal work Member Link, the data flow on faulty link can be switched to the Member Link of other normal works,
Whole aggregated links would not fail, so as to reach the purpose of protection business inside aggregated links.But if due to certain
Reason causes aggregated links to fail, then link aggregation group can not provide enough bandwidth and support or can not provide bandwidth support, that
Even if there is alarm report, business is still inevitably interrupted.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of packet network link polymerization
The system and method backed up between group, when some Member Links break down in the aggregated links of packet network, aggregation group chain
Road burden reaches the upper limit, and either no Member Link breaks down and aggregation group link burden exceeds the upper limit or because of certain
When reason causes the link aggregation group to fail, it is standby the service traffics of the link aggregation group to break down to be switched to another
Aggregation group, protected business.
The present invention provides the system backed up between a kind of packet network link aggregation group, including the first equipment and second is set
Standby, the first equipment, the inside configuration of the second equipment are identical, and the system configures the first link aggregation group on the first device
Trunk1, the first link aggregation group Trunk1 of configuration model identical is corresponded on the second device, it is ensured that normal work；Then exist
The second link aggregation group Trunk2 is configured in first equipment, corresponds to the second link aggregation of configuration model identical on the second device
Group Trunk2, it is ensured that normal work；First link aggregation group Trunk1 it is identical with the second link aggregation group Trunk2 pattern or
It is different；System is arbitrarily designated a link aggregation group priority task in Trunk1, Trunk2, another in Trunk1, Trunk2
One link aggregation group is automatically Status of Backups, i.e., under original state, one in Trunk1, Trunk2 polymerize for active link
Group, in running order, forwarding service data flow, another in Trunk1, Trunk2 is inactive link aggregation group, is in
Status of Backups；
First equipment, the second equipment identical are internally configured as：By the first link aggregation group Trunk1 of configuration,
Two link aggregation group Trunk2 are added in another higher level aggregation group Super Trunk as subordinate aggregation group Sub Trunk,
When configuration service, only by business configuration to higher level aggregation group Super Trunk, Business Stream is actual by subordinate's aggregation group
Sub Trunk are carried, and higher level aggregation group Super Trunk are a virtual aggregation groups, and subordinate aggregation group Sub Trunk are entities
Aggregation group, system is arbitrarily designated a subordinate aggregation group Sub Trunk as carrying aggregation group during initialization, if Trunk1 is
Active link aggregation group, in running order, then another subordinate aggregation group Sub Trunk are then inactive link aggregation group,
In Status of Backups；
When the link of the active link aggregation group between the first equipment, the second equipment breaks down, system is specified non-live
Dynamic link aggregation group is changed into working condition, and the business of faulty link, which is switched on the link of inactive link aggregation group, to be passed
Defeated, business is effectively protected.
On the basis of above-mentioned technical proposal, the first link aggregation group Trunk1 is active link aggregation group, is in
Working condition, Trunk2 is inactive link aggregation group, in Status of Backups.
On the basis of above-mentioned technical proposal, the active link aggregation group between first equipment, the second equipment
When certain link in Trunk1 multilink breaks down, system specifies inactive link aggregation group Trunk2 to be changed into work
State, the business of faulty link, which is switched on Trunk2 link, to be transmitted, and business is effectively protected.
On the basis of above-mentioned technical proposal, the active link aggregation group when between the first equipment, the second equipment
When extreme case occurs in Trunk1 link failure, active link aggregation group Trunk1 all links can not all work, activity
Link aggregation group Trunk1 is in failure state, and system specifies inactive link aggregation group Trunk2 to be changed into working condition,
Trunk2 provides effective physical link, and the link that faulty link aggregation group Trunk1 all business are switched to Trunk2 is enterprising
Row transmission, business are effectively protected.
The present invention also provides the method backed up between the packet network link aggregation group based on said system, including following
Step：
S1, configure the first link aggregation group Trunk1 on the first device first, it is identical to correspond to configuration on the second device
First link aggregation group Trunk1 of pattern, it is ensured that normal work；Then the second link aggregation group is configured on the first device
Trunk2, the second link aggregation group Trunk2 of configuration model identical is corresponded on the second device, it is ensured that normal work；First chain
Road aggregation group Trunk1 and the second link aggregation group Trunk2 pattern are identical or different；System be arbitrarily designated Trunk1,
A link aggregation group priority task in Trunk2, another link aggregation group in Trunk1, Trunk2 is automatically backup
Under state, i.e. original state, one in Trunk1, Trunk2 is active link aggregation group, in running order, forwarding service
Data flow, another in Trunk1, Trunk2 is inactive link aggregation group, in Status of Backups；
First equipment, the second equipment identical are internally configured as：By the first link aggregation group Trunk1 of configuration,
Two link aggregation group Trunk2 are added in another higher level aggregation group Super Trunk as subordinate aggregation group Sub Trunk,
When configuration service, only by business configuration to higher level aggregation group Super Trunk, Business Stream is actual by subordinate's aggregation group
Sub Trunk are carried, and higher level aggregation group Super Trunk are a virtual aggregation groups, and subordinate aggregation group Sub Trunk are entities
Aggregation group；System is arbitrarily designated a subordinate aggregation group Sub Trunk as carrying aggregation group during initialization, if Trunk1 is
Active link aggregation group, in running order, then another subordinate aggregation group Sub Trunk are then inactive link aggregation group,
In Status of Backups；
S2, when the active link aggregation group between the first equipment, the second equipment link break down when, system is specified non-
Active link aggregation group is changed into working condition, and the business of faulty link, which is switched on the link of inactive link aggregation group, to be carried out
Transmission, business are effectively protected.
On the basis of above-mentioned technical proposal, the first link aggregation group Trunk1 is active link aggregation group, is in
Working condition, Trunk2 is inactive link aggregation group, in Status of Backups.
On the basis of above-mentioned technical proposal, the active link aggregation group between first equipment, the second equipment
When certain link in Trunk1 multilink breaks down, system specifies inactive link aggregation group Trunk2 to be changed into work
State, the business of faulty link, which is switched on Trunk2 link, to be transmitted, and business is effectively protected.
On the basis of above-mentioned technical proposal, the active link aggregation group between first equipment, the second equipment
When extreme case occurs in Trunk1 link failure, active link aggregation group Trunk1 all links can not all work, activity
Link aggregation group Trunk1 is in failure state, and system specifies inactive link aggregation group Trunk2 to be changed into working condition,
Trunk2 provides effective physical link, and the link that faulty link aggregation group Trunk1 all business are switched to Trunk2 is enterprising
Row transmission, business are effectively protected.
Compared with prior art, advantages of the present invention is as follows：
The present invention opens two aggregation groups, aggregation group pattern, the member port speed of aggregation group, port directly in equipment
Medium can be with different, and two aggregation groups are respectively at working condition and Status of Backups, according to the change of Link State and reality
Border needs, and backup link can be transformed into working condition, and originally in running order link aggregation group may be at work shape
State and off position, this is determined according to whether original aggregation group fails, and finally realizes switching for business, so as to reach protection
Effect, minimally reduce influence of the link failure to user.The present invention is by the backup between aggregation group, in packet network
Aggregated links in some Member Links when breaking down, aggregation group link burden reaches the upper limit, or is sent out without Member Link
Raw failure and aggregation group link burden exceed the upper limit, or when causing the link aggregation group to fail because of certain reason, can gather this
Charge-coupled service traffics are switched to another standby aggregation group, are protected business so that link aggregation group data transfer
Relatively reliable, business is more reliable and more stable, effectively improves the competitiveness of equipment, adapts to the demand of era development.
Brief description of the drawings
Fig. 1 is the structured flowchart of the system backed up in the embodiment of the present invention between packet network link aggregation group.
Fig. 2 is the first equipment in the embodiment of the present invention, the inside configuration schematic diagram of the second equipment.
Fig. 3 is certain of the active link aggregation group Trunk1 between the first equipment, the second equipment in the embodiment of the present invention
Link schematic diagram when link breaks down.
Fig. 4 is all of the active link aggregation group Trunk1 between the first equipment, the second equipment in the embodiment of the present invention
Link schematic diagram when link can not all work.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides the system backed up between a kind of packet network link aggregation group, bag
The first equipment and the second equipment are included, the first equipment, the inside configuration of the second equipment are identical.
The embodiment of the present invention also provides the side backed up between a kind of packet network link aggregation group based on said system
Method, comprise the following steps：
S1, system configure the first link aggregation group Trunk1 on the first device, and it is identical to correspond to configuration on the second device
First link aggregation group Trunk1 of pattern, it is ensured that can normal work；Then the second link aggregation group is configured on the first device
Trunk2, the second link aggregation group Trunk2 of configuration model identical is corresponded on the second device, it is ensured that can normal work.First
Link aggregation group Trunk1 can be with identical with the second link aggregation group Trunk2 pattern, can also be different, such as：Trunk1 is transported
The LACP of dynamic protocol is gone（Link Aggregation Control Protocol, Link Aggregation Control Protocol）Aggregation group,
Trunk2, which is configured to manual aggregation group, to be allowed.The link aggregation group that system is arbitrarily designated in Trunk1, Trunk2 is excellent
First working, another link aggregation group in Trunk1, Trunk2 is automatically Status of Backups, i.e., under original state, Trunk1,
One in Trunk2 is active link aggregation group, in running order, forwarding service data flow, in Trunk1, Trunk2
Another is inactive link aggregation group, in Status of Backups.
Shown in Figure 2, the first equipment, the second equipment identical are internally configured as：By the first link aggregation group of configuration
Trunk1, the second link aggregation group Trunk2 are as subordinate's aggregation group（Sub Trunk）It is added to another higher level's aggregation group
（Super Trunk）In, when configuration service, only by business configuration to higher level aggregation group Super Trunk, Business Stream
It is actual to be carried by subordinate aggregation group Sub Trunk, rather than carried by higher level aggregation group Super Trunk.That is, higher level
Aggregation group Super Trunk are a virtual aggregation groups, and subordinate aggregation group Sub Trunk are entity aggregation groups.It is during initialization
System is arbitrarily designated a subordinate aggregation group Sub Trunk as carrying aggregation group, if Trunk1 is active link aggregation group, place
In working condition, then another subordinate aggregation group Sub Trunk are then inactive link aggregation group, in Status of Backups.
S2, when the active link aggregation group between the first equipment, the second equipment link break down when, system is specified non-
Active link aggregation group is changed into working condition, and the business of faulty link, which is switched on the link of inactive link aggregation group, to be carried out
Transmission, business are effectively protected.
Shown in Figure 1, the first link aggregation group Trunk1 is active link aggregation group, in running order, the second chain
Road aggregation group Trunk2 is inactive link aggregation group, in Status of Backups.
It is shown in Figure 3, when in the multilink of the active link aggregation group Trunk1 between the first equipment, the second equipment
Certain link break down when, according to the operation principle of link aggregation group, the business of this link is switched to Trunk1's
On other links, still, if each bar link switches past business and will appear from packet drop, industry all in full load condition
Business transmission quality is damaged, and in order to avoid packet loss, system specifies inactive link aggregation group Trunk2 to be changed into working condition, failure chain
The business on road is switched on Trunk2 link and is transmitted, and business is effectively protected.
It is shown in Figure 4, when the link failure of the active link aggregation group Trunk1 between the first equipment, the second equipment goes out
During existing extreme case, active link aggregation group Trunk1 all links can not all work, at active link aggregation group Trunk1
In failure state, active link can not be provided and carried out data transmission, such case is existing in actual applications, is especially transported
The aggregation groups of link aggregation protocols is gone, has occurred in the case of both sides can not consult successfully because of certain reason, in order to overcome
This problem, because the mode of operation of two link aggregation groups can be different, system specifies inactive link aggregation group Trunk2
It is changed into working condition, Trunk2 provides effective physical link, and faulty link aggregation group Trunk1 all business are switched to
It is transmitted on Trunk2 link, business is effectively protected.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change
Type is within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (4)
1. the system backed up between a kind of packet network link aggregation group, including the first equipment and the second equipment, the first equipment,
The inside configuration of second equipment is identical, it is characterised in that：The system configures the first link aggregation group on the first device
Trunk1, the first link aggregation group Trunk1 of configuration model identical is corresponded on the second device, it is ensured that normal work；Then exist
The second link aggregation group Trunk2 is configured in first equipment, corresponds to the second link aggregation of configuration model identical on the second device
Group Trunk2, it is ensured that normal work；First link aggregation group Trunk1 it is identical with the second link aggregation group Trunk2 pattern or
It is different；System is arbitrarily designated a link aggregation group priority task in Trunk1, Trunk2, another in Trunk1, Trunk2
One link aggregation group is automatically Status of Backups, i.e., under original state, one in Trunk1, Trunk2 polymerize for active link
Group, in running order, forwarding service data flow, another in Trunk1, Trunk2 is inactive link aggregation group, is in
Status of Backups；
First equipment, the second equipment identical are internally configured as：By the first link aggregation group Trunk1, the second chain of configuration
Road aggregation group Trunk2 is added in another higher level aggregation group Super Trunk as subordinate aggregation group Sub Trunk, with
When the purchase of property is engaged in, only by business configuration to higher level aggregation group Super Trunk, Business Stream is actual by subordinate aggregation group Sub
Trunk is carried, and higher level aggregation group Super Trunk are a virtual aggregation groups, and subordinate aggregation group Sub Trunk are entity polymerizations
Group, system is arbitrarily designated a subordinate aggregation group Sub Trunk as carrying aggregation group during initialization, if Trunk1 is activity
Link aggregation group, in running order, then another subordinate aggregation group Sub Trunk are then inactive link aggregation group, are in
Status of Backups；
The first link aggregation group Trunk1 is active link aggregation group, and in running order, Trunk2 is inactive link
Aggregation group, in Status of Backups；
When event occurs in certain link in the multilink of the active link aggregation group Trunk1 between the first equipment, the second equipment
During barrier, the business of this link is switched on Trunk1 other links；But if all locate on Trunk1 other links
In full load condition, switch past business and will appear from packet drop, system specifies inactive link aggregation group Trunk2 to be changed into
Working condition, the business of faulty link, which is switched on Trunk2 link, to be transmitted, and business is effectively protected.
2. the system backed up between packet network link aggregation group as claimed in claim 1, it is characterised in that：It is described when the
When extreme case occurs in the link failure of active link aggregation group Trunk1 between one equipment, the second equipment, active link gathers
Charge-coupled Trunk1 all links can not all work, and active link aggregation group Trunk1 is in failure state, and system is specified non-live
Dynamic link aggregation group Trunk2 is changed into working condition, and Trunk2 provides effective physical link, faulty link aggregation group Trunk1's
All business are switched on Trunk2 link and are transmitted, and business is effectively protected.
3. the method backed up between the packet network link aggregation group based on system any one of claim 1 or 2, its
It is characterised by, comprises the following steps：
S1, configure the first link aggregation group Trunk1 on the first device first, correspond to configuration model identical on the second device
The first link aggregation group Trunk1, it is ensured that normal work；Then the second link aggregation group Trunk2 is configured on the first device,
The second link aggregation group Trunk2 of configuration model identical is corresponded on the second device, it is ensured that normal work；First link aggregation
Group Trunk1 and the second link aggregation group Trunk2 pattern are identical or different；System is arbitrarily designated in Trunk1, Trunk2
One link aggregation group priority task, another link aggregation group in Trunk1, Trunk2 is Status of Backups automatically, i.e., initial
Under state, one in Trunk1, Trunk2 is active link aggregation group, in running order, forwarding service data flow,
Another in Trunk1, Trunk2 is inactive link aggregation group, in Status of Backups；
First equipment, the second equipment identical are internally configured as：By the first link aggregation group Trunk1, the second chain of configuration
Road aggregation group Trunk2 is added in another higher level aggregation group Super Trunk as subordinate aggregation group Sub Trunk, with
When the purchase of property is engaged in, only by business configuration to higher level aggregation group Super Trunk, Business Stream is actual by subordinate aggregation group Sub
Trunk is carried, and higher level aggregation group Super Trunk are a virtual aggregation groups, and subordinate aggregation group Sub Trunk are entity polymerizations
Group；System is arbitrarily designated a subordinate aggregation group Sub Trunk as carrying aggregation group during initialization, if Trunk1 is activity
Link aggregation group, in running order, then another subordinate aggregation group Sub Trunk are then inactive link aggregation group, are in
Status of Backups；
S2, the first link aggregation group Trunk1 are active link aggregation group, in running order, and Trunk2 is inactive chain
Road aggregation group, in Status of Backups；When the multilink of the active link aggregation group Trunk1 between the first equipment, the second equipment
In certain link break down when, the business of this link is switched on Trunk1 other links；But if
All in full load condition on Trunk1 other links, switch past business and will appear from packet drop, system is specified non-live
Dynamic link aggregation group Trunk2 is changed into working condition, and the business of faulty link, which is switched on Trunk2 link, to be transmitted,
Business is effectively protected.
4. the method backed up between packet network link aggregation group as claimed in claim 3, it is characterised in that：Described first
When there is extreme case in the link failure of active link aggregation group Trunk1 between equipment, the second equipment, active link polymerization
Group Trunk1 all links can not all work, and active link aggregation group Trunk1 is in failure state, and system is specified inactive
Link aggregation group Trunk2 is changed into working condition, and Trunk2 provides effective physical link, faulty link aggregation group Trunk1 institute
There is business to be switched on Trunk2 link to be transmitted, business is effectively protected.
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| CN201410056644.2A CN103840972B (en) | 2014-02-20 | 2014-02-20 | The system and method backed up between packet network link aggregation group |
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| CN103840972B true CN103840972B (en) | 2018-03-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105703922A (en) * | 2014-11-24 | 2016-06-22 | 中兴通讯股份有限公司 | Link bundling method and system |
| CN106603276B (en) * | 2016-11-22 | 2020-08-25 | 华为技术有限公司 | Fault processing method and fault processing device for SERDES link group |
| CN109995567A (en) * | 2017-12-29 | 2019-07-09 | 北京华为数字技术有限公司 | Method, equipment and the system of link aggregation group progress automatic protection |
| CN110336742B (en) * | 2019-06-20 | 2021-08-27 | 网联清算有限公司 | Information sending method and device, computer equipment and storage medium |
| CN113141268A (en) * | 2020-01-20 | 2021-07-20 | 华为技术有限公司 | Method and device for realizing redundancy backup of link aggregation group of manual aggregation |
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| CN102231703A (en) * | 2011-06-24 | 2011-11-02 | 中兴通讯股份有限公司 | Method for realizing Virtual Switch Cluster (VSC) cross equipment data forwarding and equipment thereof |
| CN102970172A (en) * | 2012-12-06 | 2013-03-13 | 华为技术有限公司 | Communication link switching method, device and communication system |
| CN103095568A (en) * | 2013-01-30 | 2013-05-08 | 迈普通信技术股份有限公司 | System and method for achieving stacking of rack type switching devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231703A (en) * | 2011-06-24 | 2011-11-02 | 中兴通讯股份有限公司 | Method for realizing Virtual Switch Cluster (VSC) cross equipment data forwarding and equipment thereof |
| CN102970172A (en) * | 2012-12-06 | 2013-03-13 | 华为技术有限公司 | Communication link switching method, device and communication system |
| CN103095568A (en) * | 2013-01-30 | 2013-05-08 | 迈普通信技术股份有限公司 | System and method for achieving stacking of rack type switching devices |
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