CN102208999A - Ethernet looped network link polymerization group protecting method and device - Google Patents
Ethernet looped network link polymerization group protecting method and device Download PDFInfo
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- CN102208999A CN102208999A CN2011101637973A CN201110163797A CN102208999A CN 102208999 A CN102208999 A CN 102208999A CN 2011101637973 A CN2011101637973 A CN 2011101637973A CN 201110163797 A CN201110163797 A CN 201110163797A CN 102208999 A CN102208999 A CN 102208999A
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Abstract
The invention discloses an Ethernet looped network link polymerization group protecting method comprising the steps of: configuring a polymerization group adding mode to a physical port of a physical link in a link polymerization group, wherein the polymerization group adding mode comprises a relevance mode; when the physical link breaks down, detecting whether the physical port of the physical link is in the relevance mode, if not, not triggering looped network switching; and if so, carrying out looped network switching. The invention also provides a corresponding device. By using the Ethernet looped network link polymerization group protecting method and device provided by the invention, islet formation caused by breakdown of the physical links on two link polymerization ports on a looped network device can be prevented, and data loss of users can be reduced to the maximum extent.
Description
Technical field
The present invention relates to the communications field, specially refer to a kind of guard method and device of ethernet ring network link aggregation group.
Background technology
Along with the extensive use of Ethernet in metropolitan area network, the focus that the performance of Ethernet and reliability have become telecom operators more and more to pay close attention to.In the network of switch type, the main means that improve network reliability are to dispose some redundant links.Like this, when losing efficacy, primary link can use backup link.Under the situation of using the redundant link backup, protect networks and recovery capability just become key.Present industry common concern EAPS (Ethernet Automatic Protection Switching, Ethernet resist technology).Simultaneously because bandwidth demand is more and more higher, and single port speed might not satisfy practical application request on the equipment, this moment LACP (Link Aggregation Control Protocol, link aggregate control protocol) obtained extensive use, LACP can be that the user improves higher transmission bandwidth under the prerequisite of upgrading hardware not.
An Ethernet ring protection territory can comprise a host node and several transmission nodes; a control VLAN (Virtual Local Area Network who is used for the transmission of EAPS protocol massages; VLAN), and one group protectedly be used for the service VLAN that user data is transmitted.Wherein, two ports of host node on ring are defined as master port respectively and from port, protected service VLAN is defined as the protection service VLAN.When the ring uplink was intact, host node blocked the protection service VLAN forwarding capability from port, and loop free produces in the network, had prevented because " broadcast storm " that network loop causes; When link occurs fault, host node is decontroled the protection service VLAN forwarding capability from port, and user data can ensure professional connection the passing through from port of host node.Ethernet ring protection control message is communication between the node and a control message in the territory, and it is propagated in control VLAN, and when the node port blocked, message is unaffected still can pass through in looped network control.When Ethernet ring protection is normally moved, on the ring each nodes records current looped network state be intact or fault.
Link aggregation also claims backbone technology or binding technology, its essence is several physical links " combination " one-tenth data path in logic of two equipment rooms, is called an aggregated links.This link logically is an integral body, and the details of inner composition and transmission data is transparent to top service.Its bandwidth that can be multiplied according to the quantity of aggregation group middle port is created the transmission elasticity of link and is realized link redundancy backup.
But in actual applications, there is a more serious problem in the link aggregation group guard method in the present ethernet ring network.In the engineering construction, often in the aggregated links on a certain looped network equipment both sides of appearance physical link being arranged is to be present in the fiber bundle, in this case, if this fiber bundle is by accidental damage, all there is Member Link to break down in the aggregation port on these looped network equipment both sides, if this moment is by looped network switching mode recited above, this equipment can block own both sides all of the port and notify host node to carry out the looped network switching, this equipment just is in island state like this, can not be with miscellaneous equipment communication on the looped network.
Summary of the invention
Guard method and the device of main purpose of the present invention for a kind of ethernet ring network link aggregation group is provided, prevent since on two rings of looped network equipment aggregation port form isolated island when all having physical link to break down, can at utmost reduce user data loss.
The invention provides a kind of guard method of ethernet ring network link aggregation group, comprising:
For the configuration of the physical port of physical link in the link aggregation group adds the pattern of aggregation group, the pattern of described adding aggregation group comprises association mode;
When described physical link broke down, whether the physical port that detects this physical link was association mode, if not, did not then trigger looped network and switched; If then carry out looped network and switch.
Preferably, carrying out describedly when physical link breaks down, whether the physical port that detects this physical link is before the association mode, also comprises:
Judge whether described physical link breaks down.
Preferably, described when physical link breaks down, whether the physical port that detects this physical link is association mode, if then carry out the looped network switching and comprise:
The physical port of physical link is an association mode as described, blocks the port of this physical link place link aggregation group, and the transmission link failure reports to host node;
After receiving described link failure report, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out the looped network switching.
Preferably, carry out described receive the link failure report after, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out also comprising after looped network switches:
Detect described physical link and whether recover normal;
As recovering, block from port, send the intact notice message of looped network to transmission node, and carry out the looped network switching.
The present invention also proposes a kind of protective device of ethernet ring network link aggregation group, comprising:
Configuration module is used to the physical port of physical link in the link aggregation group to dispose the pattern that adds aggregation group, and the pattern of described adding aggregation group comprises association mode;
First detection module is used for when described physical link breaks down, and whether the physical port that detects this physical link is association mode, if not, does not then trigger looped network and switches; If then carry out looped network and switch.
Preferably, said apparatus also comprises:
Judge module is used to judge whether described physical link breaks down.
Preferably, described first handover module comprises:
Transmitting element is used for as described that the physical port of physical link is an association mode, blocks the port of this physical link place link aggregation group, and sends link failure and report to host node;
Switch unit, be used to receive the report of described link failure after, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out looped network and switch.
Preferably, the protective device of ethernet ring network link aggregation group also comprises:
Second detection module is used to detect described physical link and whether recovers normal;
Handover module is used for blocking from port as recovering, and sends the intact notice message of looped network to transmission node, and carries out the looped network switching.
The guard method of a kind of ethernet ring network link aggregation group provided by the invention and device; by being the pattern of the physical port configuration adding aggregation group of physical link in the link aggregation group; when link breaks down, judge that this link adds the pattern of aggregation group, just can determine whether to trigger looped network and switch.Can prevent since on two rings of looped network equipment aggregation port form isolated island when all having physical link to break down, at utmost reduced user data loss.
Description of drawings
Fig. 1 is the schematic flow sheet of guard method one embodiment of ethernet ring network link aggregation group of the present invention;
The schematic flow sheet of Fig. 2 for detecting among guard method one embodiment of ethernet ring network link aggregation group of the present invention;
Fig. 3 is the schematic flow sheet of the another embodiment of guard method of ethernet ring network link aggregation group of the present invention;
Fig. 4 is the guard method of the ethernet ring network link aggregation group of the present invention schematic flow sheet of an embodiment again;
Fig. 5 is the structural representation of protective device one embodiment of ethernet ring network link aggregation group of the present invention;
Fig. 6 is the structural representation of first detection module among protective device one embodiment of ethernet ring network link aggregation group of the present invention;
Fig. 7 is the structural representation of the another embodiment of protective device of ethernet ring network link aggregation group of the present invention;
Fig. 8 is the protective device of the ethernet ring network link aggregation group of the present invention structural representation of an embodiment again;
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, guard method one embodiment of ethernet ring network link aggregation group of the present invention is proposed, this method comprises:
Step S101, for the configuration of the physical port of physical link in the link aggregation group adds the pattern of aggregation group, the pattern of described adding aggregation group comprises association mode;
Configuration ethernet ring network technology all adopts the aggregated links control protocol in the whole ring on node.The pattern that adds aggregation group for the physical port configuration of each physical link in the link aggregation group, be defaulted as association mode, also can be configured to the dereferenced pattern as required, as be configured to the dereferenced pattern, the pairing physical link of this physical port then can not influence the state of link aggregation group as breaking down.It is to be present in a node in the fiber bundle that physical link is arranged in the link aggregation group for both sides, the physical port of a physical link on one side is the dereferenced pattern to need to dispose wherein at least, when optical fiber is damaged, the physical port that just can pass through the detection physical link adds the pattern of aggregation group, and one of them of next definite use node two ends link aggregation group communicated by letter with other nodes continuation.
Step S102, when described physical link broke down, whether the physical port that detects this physical link was association mode, if not, did not then trigger looped network and switched; If then carry out looped network and switch.
When the physical link in the link aggregation group breaks down, just the physical port that needs to detect this physical link adds the pattern of aggregation group, judge whether its pattern that adds aggregation group is association mode, as testing result is the dereferenced pattern, then the state of this physical link can not influence the state of its place link aggregation group, promptly can not trigger looped network and switch, this link aggregation group can continue to communicate with other nodes; If testing result is an association mode, then the state of the link aggregation group at this physical link place is a fault, at this moment, need carry out looped network and switch.
The guard method of a kind of ethernet ring network link aggregation group provided by the invention; by being the pattern of the physical port configuration adding aggregation group of physical link in the link aggregation group; when link breaks down, judge that this link adds the pattern of aggregation group, just can determine whether to trigger looped network and switch.Can prevent since on two rings of looped network equipment aggregation port form isolated island when all having physical link to break down, at utmost reduced user data loss.
With reference to Fig. 2, in guard method one embodiment of ethernet ring network link aggregation group of the present invention, step S102 comprises:
Step S1021, the physical port of physical link is an association mode as described, blocks the port of this physical link place link aggregation group, and the transmission link failure reports to host node;
As the state of all links all is normal, and link aggregation group that master port connected and transmission node by host node communicate, and therefore, when host node detects this physical link and breaks down, then can stop up master port; When transmission node detects this physical link and breaks down, the port of the link aggregation group at its place can be stopped up, and send link failure and report to host node.
Step S1022, receive the report of described link failure after, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out looped network and switch.
After receiving the link failure report, host node slave port is opened, and user data can continue to communicate with other nodes from the link aggregation group that port connected by this.Open behind port, send ring network fault notice message, notify other transmission nodes to carry out looped network and switch, transmission node carries out looped network and switches after receiving ring network fault notice message.
The physical port of the physical link that breaks down by detection adds the pattern of aggregation group, when being association mode, stop up the port of the link aggregation group at its place, the triggering looped network switches, utilize the link aggregation group from port connected of host node to continue to communicate with other transmission nodes, make user data can not interrupt, ensured professional connectedness.
With reference to Fig. 3, the another embodiment of guard method of ethernet ring network link aggregation group of the present invention is proposed, this method also comprises:
Step S103 judges whether this physical link breaks down;
After the port arrangement that is physical link in the link aggregation group adds the pattern of aggregation group, begin each the bar physical link in this link aggregation group is carried out status detection, judge promptly whether it breaks down.
Preestablish one and switch threshold value, in the present embodiment, the switching threshold that can set the link aggregation group on all looped networks is 1, as long as promptly there is a physical link to break down, then the state of this physical link place link aggregation group is fault.Therefore, the state of a physical link is arranged is fault when detecting link aggregation group, can determine that then the state of this link aggregation group also is fault.
By detecting the state of physical link in the link aggregation group, as break down, judge according to pre-set threshold whether link aggregation group is fault, make that the fault detect of link is more convenient, accurate.
With reference to Fig. 4, the guard method that proposes ethernet ring network link aggregation group of the present invention is an embodiment again, and this method also comprises:
Step S104 detects described physical link and whether recovers normal;
When host node is opened from port, and switch to after the aggregated links group that connects from port and other transmission nodes communicate, need to detect the state of the physical link that breaks down, judge whether it recovers normal.
Step S105 as recovering, blocks from port, sends the intact notice message of looped network to transmission node, and described transmission node carries out looped network and switches.
Recovering state as this physical link is normal, then with host node from port block, reopen the master port of host node, and send the intact notice message of looped network to transmission node, carry out looped network and switch, switch to and recover intact link aggregation group and communicate.
Switching to after reserve link communicates, whether the state of the link that breaks down by detection recovers normally, and switches to and recover intact link aggregation group and communicate, and makes data can not interrupt, and has further ensured professional connectedness.
With reference to Fig. 5, protective device one embodiment of ethernet ring network link aggregation group of the present invention is proposed, this device comprises:
Configuration ethernet ring network technology all adopts the aggregated links control protocol in the whole ring on node.Configuration module 10 is the pattern that the physical port configuration of each physical link in the link aggregation group adds aggregation group, be defaulted as association mode, also can be configured to the dereferenced pattern as required, as be configured to the dereferenced pattern, the pairing physical link of this physical port then can not influence the state of link aggregation group as breaking down.It is to be present in a node in the fiber bundle that physical link is arranged in the link aggregation group for both sides, the physical port of a physical link on one side is the dereferenced pattern to need to dispose wherein at least, when optical fiber is damaged, the physical port that just can pass through the detection physical link adds the pattern of aggregation group, and one of them of next definite use node two ends link aggregation group communicated by letter with other nodes continuation.
When the physical link in the link aggregation group breaks down, the physical port that first detection module 20 just needs to detect this physical link adds the pattern of aggregation group, judge whether its pattern that adds aggregation group is association mode, is the dereferenced pattern as detection for the result, then the state of this physical link can not influence the state of its place link aggregation group, can not trigger looped network and switch, this link aggregation group can continue to communicate with other nodes; If testing result is an association mode, then the state of the link aggregation group at this physical link place is a fault, at this moment, need carry out looped network and switch.
The protective device of a kind of ethernet ring network link aggregation group provided by the invention; by being the pattern of the physical port configuration adding aggregation group of physical link in the link aggregation group; when link breaks down, judge that this link adds the pattern of aggregation group, just can determine whether to trigger looped network and switch.Can prevent since on two rings of looped network equipment aggregation port form isolated island when all having physical link to break down, at utmost reduced user data loss.
With reference to Fig. 6, in protective device one embodiment of ethernet ring network link aggregation group of the present invention, described first detection module 20 comprises:
Transmitting element 21 is used for as described that the physical port of physical link is an association mode, blocks the port of this physical link place link aggregation group, and sends link failure and report to host node;
Switch unit 22, be used to receive the report of described link failure after, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out looped network and switch.
As the state of all links all is normal, and link aggregation group that master port connected and transmission node by host node communicate, and therefore, when host node detects this physical link and breaks down, then can stop up master port; When transmission node detects this physical link and breaks down, the port of the link aggregation group at its place can be stopped up, transmitting element 21 sends link failures and reports to host node.
After receiving the link failure report, host node slave port is opened, and user data can continue to communicate with other nodes from the link aggregation group that port connected by this.Open behind port, send ring network fault notice message, notify other transmission nodes to carry out looped network and switch, after transmission node was received ring network fault notice message, switch unit 22 carried out looped network and switches.
The physical port of the physical link that breaks down by detection adds the pattern of aggregation group, when being association mode, stop up the port of the link aggregation group at its place, the triggering looped network switches, utilize the link aggregation group from port connected of host node to continue to communicate with other transmission nodes, make user data can not interrupt, ensured professional connectedness.
With reference to Fig. 7, the another embodiment of the protective device of ethernet ring network link aggregation group of the present invention is proposed, this device also comprises:
Judge module 30 is used to judge whether described physical link breaks down.
After the port arrangement that is physical link in the link aggregation group added the pattern of aggregation group, judge module 30 began each the bar physical link in this link aggregation group is carried out status detection, judges promptly whether it breaks down.
Preestablish one and switch threshold value, in the present embodiment, the switching threshold that can set the link aggregation group on all looped networks is 1, and the state of this physical link place link aggregation group is fault as long as promptly there is a physical link to break down then.Therefore, the state of a physical link is arranged is fault when detecting link aggregation group, can determine that then the state of this link aggregation group also is fault.
By detecting the state of physical link in the link aggregation group, as break down, judge according to pre-set threshold whether link aggregation group is fault, make that the fault detect of link is more convenient, accurate.
With reference to Fig. 8, the protective device that proposes ethernet ring network link aggregation group of the present invention is an embodiment again, and this device also comprises:
When host node is opened from port, and switch to after the aggregated links group that connects from port and other transmission nodes communicate, second detection module 40 needs to detect the state of the physical link that breaks down, and judges whether it recovers normal.
Recovering state as this physical link is normal, then with host node from port block, reopen the master port of host node, and send the intact notice message of looped network to transmission node, handover module 50 carries out looped network and switches, and switches to the intact link aggregation group of recovery and communicates.
Switching to after reserve link communicates, whether the state of the link that breaks down by detection recovers normally, and switches to and recover intact link aggregation group and communicate, and makes data can not interrupt, and has further ensured professional connectedness.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (8)
1. the guard method of an ethernet ring network link aggregation group is characterized in that, comprising:
For the configuration of the physical port of physical link in the link aggregation group adds the pattern of aggregation group, the pattern of described adding aggregation group comprises association mode;
When described physical link broke down, whether the physical port that detects this physical link was association mode, if not, did not then trigger looped network and switched; If then carry out looped network and switch.
2. the guard method of ethernet ring network link aggregation group as claimed in claim 1 is characterized in that, is carrying out describedly when physical link breaks down, and whether the physical port that detects this physical link is before the association mode, also comprises:
Judge whether described physical link breaks down.
3. the guard method of ethernet ring network link aggregation group as claimed in claim 2 is characterized in that, and is described when physical link breaks down, and whether the physical port that detects this physical link is association mode, if then carry out the looped network switching and comprise:
The physical port of physical link is an association mode as described, blocks the port of this physical link place link aggregation group, and the transmission link failure reports to host node;
After receiving described link failure report, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out the looped network switching.
4. as the guard method of each described ethernet ring network link aggregation group in the claim 1 to 3, it is characterized in that, carry out described receive the link failure report after; host node slave port is opened; send ring network fault notice message and give transmission node, and carry out also comprising after the looped network switching:
Detect described physical link and whether recover normal;
As recovering, block host node slave port, send the intact notice message of looped network to transmission node, and carry out the looped network switching.
5. the protective device of an ethernet ring network link aggregation group is characterized in that, comprising:
Configuration module is used to the physical port of physical link in the link aggregation group to dispose the pattern that adds aggregation group, and the pattern of described adding aggregation group comprises association mode;
First detection module is used for when described physical link breaks down, and whether the physical port that detects this physical link is association mode, if not, does not then trigger looped network and switches; If then carry out looped network and switch.
6. the protective device of ethernet ring network link aggregation group as claimed in claim 5 is characterized in that, this device also comprises:
Judge module is used to judge whether described physical link breaks down.
7. the protective device of ethernet ring network link aggregation group as claimed in claim 6 is characterized in that, described first handover module comprises:
Transmitting element is used for as described that the physical port of physical link is an association mode, blocks the port of this physical link place link aggregation group, and sends link failure and report to host node;
Switch unit, be used to receive the report of described link failure after, host node slave port is opened, and sends ring network fault notice message and gives transmission node, and carry out looped network and switch.
8. as the protective device of each described ethernet ring network link aggregation group in the claim 5 to 7, it is characterized in that this device also comprises:
Second detection module is used to detect described physical link and whether recovers normal;
Handover module is used for blocking from port as recovering, and sends the intact notice message of looped network to transmission node, and carries out the looped network switching.
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| CN201110163797.3A CN102208999B (en) | 2011-06-17 | 2011-06-17 | The guard method of ethernet ring network link aggregation group and device |
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| WO2014063571A1 (en) * | 2012-10-24 | 2014-05-01 | 中兴通讯股份有限公司 | Distributed link aggregation group service handover method and device |
| CN110875824A (en) * | 2018-08-30 | 2020-03-10 | 华为技术有限公司 | Fault multilayer link recovery method and controller |
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| US20090141622A1 (en) * | 2007-12-03 | 2009-06-04 | Verizon Serivices Organization Inc. | Pinning and protection on link aggregation groups |
| CN101984606A (en) * | 2010-11-15 | 2011-03-09 | 中兴通讯股份有限公司 | Device-level redundancy protection method and system based on LACP |
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| US20090141622A1 (en) * | 2007-12-03 | 2009-06-04 | Verizon Serivices Organization Inc. | Pinning and protection on link aggregation groups |
| CN101399737A (en) * | 2008-10-21 | 2009-04-01 | 中兴通讯股份有限公司 | Protection method and apparatus used for link convergence group of loop Ethernet |
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| WO2014063571A1 (en) * | 2012-10-24 | 2014-05-01 | 中兴通讯股份有限公司 | Distributed link aggregation group service handover method and device |
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| CN110875824A (en) * | 2018-08-30 | 2020-03-10 | 华为技术有限公司 | Fault multilayer link recovery method and controller |
| CN110875824B (en) * | 2018-08-30 | 2023-10-13 | 华为技术有限公司 | Fault multi-layer link recovery method and controller |
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