CN105812152A - Ethernet ring network fault notification method - Google Patents
Ethernet ring network fault notification method Download PDFInfo
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- CN105812152A CN105812152A CN201410856661.4A CN201410856661A CN105812152A CN 105812152 A CN105812152 A CN 105812152A CN 201410856661 A CN201410856661 A CN 201410856661A CN 105812152 A CN105812152 A CN 105812152A
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Abstract
An embodiment of the invention provides an Ethernet ring network fault notification method. An Ethernet ring network comprises a first node and a second node, and a second port of the first node is connected with a first port of the second node; when a fault is detected at a first port of the first node, an Ethernet ring network protection switching protocol module of the first node is notified; the first port of the first node is blocked by the Ethernet ring network protection switching protocol module of the first node; upper ring business of the first node is set as broadcast business by the first node, the upper ring business of the first node is broadcast to the first port of the first node and the second port of the first node, the Ethernet ring network protection switching protocol module of the first node sends a signal failure message to the first port of the second node via the second port of the first node, the signal failure message comprises a broadcast mark indication message, an MAC address forwarding table on the first port of the first node is removed by the first node, and an MAC address forwarding table on the second port of the first node is also removed.
Description
Technical field
The present embodiments relate to communication technical field, particularly relate to a kind of ethernet ring network failure notification method.
Background technology
Ethernet ring protection switches (EthernetRingProtectionSwitch; ERPS) it is a kind of pretection switch technology based on Ethernet; owing to Ethernet pretection switch technical configuration is convenient, it is simple to realize, application is reliable, the application in existing network gets more and more.
Ethernet ring protection is switched and is got involved key-course (MediaAccessControl based on port failure detection, the transmission of fault looped network, ERPS port media; MAC) removing of address; ether business relearns, routing, it is achieved quickly switching of Ethernet Private LAN business.
When the link of ethernet ring network of the prior art breaks down, it is necessary to the mac address forwarding table of all EPRS ports on removing ethernet ring network, then just can carry out switching of business.In prior art, the removing of mac address forwarding table depends on the chip processing capabilities of ethernet ring network node, deleting MAC address forward table one by one under normal circumstances, the mac address forwarding table learnt on some EPRS port is bigger, remove the required time also longer, in order to improve elimination efficiency, prior art starts multiple thread concurrently disinfect, expend more resources of chip.
Summary of the invention
The embodiment of the present invention provides a kind of ethernet ring network failure notification method, for notice ethernet ring network fault flexibly.
First aspect, the embodiment of the present invention provides a kind of ethernet ring network failure notification method, and ethernet ring network includes primary nodal point and secondary nodal point, and the second port of primary nodal point is connected with the first port of secondary nodal point, it is characterised in that including:
First Port detecting of primary nodal point, to fault, notifies the Ethernet ring protection turning protocol module of primary nodal point；
The Ethernet ring protection turning protocol module of primary nodal point blocks the first port of primary nodal point；
The upper ring business setting of primary nodal point is broadcasting service by primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point；
The Ethernet ring protection turning protocol module of primary nodal point sends Signal Fail message by the second port of primary nodal point to the first port of secondary nodal point, and described Signal Fail message includes broadcast flag instruction message；
Primary nodal point removes the mac address forwarding table on the first port of primary nodal point, removes the mac address forwarding table on the second port of primary nodal point.
In the implementation that the second of first aspect is possible, secondary nodal point receives described Signal Fail message by the first port of secondary nodal point, message is indicated to be broadcasting service by the upper ring business setting of secondary nodal point according to broadcast flag, by the second port broadcast of the upper ring business of secondary nodal point the first port to secondary nodal point and secondary nodal point；
Secondary nodal point, according to the mac address forwarding table on the first port of Signal Fail message erasing secondary nodal point, removes the mac address forwarding table on the second port of secondary nodal point.
The first possible implementation in conjunction with first aspect, in the implementation that the second of first aspect is possible, if the second port of secondary nodal point is blocked state, it is characterised in that described the upper ring business setting of secondary nodal point is broadcasting service before also include:
Second port of secondary nodal point is set to open mode according to described Signal Fail message by secondary nodal point.
In conjunction with the first possible implementation of first aspect, in the third possible implementation of first aspect, secondary nodal point forwards described Signal Fail message by the second port of secondary nodal point.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, the second port of the 3rd node is blocked state, also includes:
3rd node receives described Signal Fail message by the first port of the 3rd node, according to described Signal Fail message, the second port of the 3rd node is set to open mode；
Message is indicated to be broadcasting service by the upper ring business setting of the 3rd node according to broadcast flag, by the second port broadcast of the upper ring business of the 3rd node the first port to the 3rd node and the 3rd node；
3rd node is according to the mac address forwarding table on the first port of Signal Fail message erasing the 3rd node.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect, described secondary nodal point and described 3rd node are joined directly together, or described secondary nodal point is connected by other node with described 3rd node.
In conjunction with the first possible implementation of first aspect, in the 6th kind of possible implementation of first aspect, also include: whether the mac address forwarding table that secondary nodal point judges on the first port of secondary nodal point and the second port of secondary nodal point has been removed；When the mac address forwarding table on the second port of the first port and secondary nodal point that judge secondary nodal point has been removed, it is general service by the upper ring business setting of secondary nodal point.
Second aspect; the embodiment of the present invention provides a kind of ethernet ring network failure notification primary nodal point; ethernet ring network includes primary nodal point and secondary nodal point; second port of primary nodal point is connected with the first port of secondary nodal point; it is characterized in that, primary nodal point includes the first port, the second port, upper ring service port and Ethernet ring protection turning protocol module:
First port of primary nodal point is used for detecting fault, and notifies the Ethernet ring protection turning protocol module of primary nodal point upon failure detection；
The Ethernet ring protection turning protocol module of primary nodal point is for blocking the first port of primary nodal point；It is broadcasting service by the upper ring business setting of primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point；Sending Signal Fail message by the second port of primary nodal point to the first port of secondary nodal point, described Signal Fail message includes broadcast flag instruction message；Primary nodal point removes the mac address forwarding table on the first port of primary nodal point, removes the mac address forwarding table on the second port of primary nodal point.
The third aspect, the embodiment of the present invention provides a kind of ethernet ring network failure notification system, in conjunction with the implementation of the primary nodal point described in second aspect, also includes secondary nodal point,
Secondary nodal point is for receiving described Signal Fail message by the first port of secondary nodal point, message is indicated to be broadcasting service by the upper ring business setting of secondary nodal point according to broadcast flag, by the second port broadcast of the upper ring business of secondary nodal point the first port to secondary nodal point and secondary nodal point；The mac address forwarding table on the first port according to Signal Fail message erasing secondary nodal point, removes the mac address forwarding table on the second port of secondary nodal point.
In the first possible implementation of the third aspect, if the second port of secondary nodal point is blocked state, it is characterized in that, the upper ring business setting of secondary nodal point is before broadcasting service by secondary nodal point, and secondary nodal point is additionally operable to, according to described Signal Fail message, the second port of secondary nodal point is set to open mode.
In conjunction with the first possible implementation of the third aspect, in the implementation that the second of the third aspect is possible, the second port that secondary nodal point is additionally operable to by secondary nodal point forwards described Signal Fail message.
In the third possible implementation of the third aspect, also including the 3rd node, the second port of the 3rd node is blocked state,
Second port of the 3rd node, for receiving described Signal Fail message by the first port of the 3rd node, is set to open mode according to described Signal Fail message by the 3rd node；Message is indicated to be broadcasting service by the upper ring business setting of the 3rd node according to broadcast flag, by the second port broadcast of the upper ring business of the 3rd node the first port to the 3rd node and the 3rd node；3rd node is according to the mac address forwarding table on the first port of Signal Fail message erasing the 3rd node.
In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation of the third aspect, described secondary nodal point and described 3rd node are joined directly together, or described secondary nodal point is connected by other node with described 3rd node.
In the 5th kind of possible implementation of the third aspect,
Whether the mac address forwarding table that secondary nodal point is additionally operable to judge on the second port of the first port of secondary nodal point and secondary nodal point has been removed；When the mac address forwarding table on the second port of the first port and secondary nodal point that judge secondary nodal point has been removed, it is general service by the upper ring business setting of secondary nodal point.
In the embodiment of the present invention, ethernet ring network includes primary nodal point and secondary nodal point, and the second port of primary nodal point is connected with the first port of secondary nodal point, and the first Port detecting of primary nodal point, to fault, notifies the Ethernet ring protection turning protocol module of primary nodal point；The Ethernet ring protection turning protocol module of primary nodal point blocks the first port of primary nodal point；The upper ring business setting of primary nodal point is broadcasting service by primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point；The Ethernet ring protection turning protocol module of primary nodal point sends Signal Fail message by the second port of primary nodal point to the first port of secondary nodal point, and described Signal Fail message includes broadcast flag instruction message；Primary nodal point removes the mac address forwarding table on the first port of primary nodal point, removes the mac address forwarding table on the second port of primary nodal point.Primary nodal point is when port failure, directly upper ring business is broadcasted to two ports, can the transmission of recovery business in the short time, and the transmission of business do not rely on the disposal ability of EPRS chip, and Signal Fail message carries broadcast flag instruction message.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in the embodiment of the present invention will be briefly described below, apparently, drawings described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of ethernet ring network structure chart in the embodiment of the present invention；
Fig. 2 is a kind of ethernet ring network failure notification method flow chart in the embodiment of the present invention；
Fig. 3 is the another kind of ethernet ring network structure chart in the embodiment of the present invention；
Fig. 4 is the structure chart of a kind of ethernet ring network failure notification primary nodal point in the embodiment of the present invention；
Fig. 5 is a kind of ethernet ring network failure notification system figure in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, all should belong to the scope of protection of the invention.
As shown in Figure 1, for a kind of ethernet ring network structure chart that the embodiment of the present invention provides, including node A, node B, node C and node D, ethernet ring network in existing network is likely to more complicated, including more nodes and link, Fig. 1 is only a kind of simple ethernet ring network schematic diagram, and this is not construed as limiting by the embodiment of the present invention.
Ethernet ring network in Fig. 1 includes AB, BC, CD and DA four two-way link, and generally, ethernet ring network needs to set at least one link as reserve link, for carrying out pretection switch when some link failure, thus not traffic affecting transmission.Such as shown in Figure 1; link between node A and D is reserve link RPL (RingProtectionLink; ring protection link); node A is that host node (RPLOwner is switched in ring protection; RPL host); block the port of node A and node D prepped side in normal operation so that business is transmitted by the opposite side port of node A and D, and now the transmission path of business can be
As shown in Figure 2, for a kind of ethernet ring network failure notification method flow chart that the embodiment of the present invention provides, ethernet ring network includes primary nodal point and secondary nodal point, second port of primary nodal point is connected with the first port of secondary nodal point, with reference to Fig. 3, ethernet ring network includes primary nodal point B and secondary nodal point A, and second port of economize on electricity B is connected with first port of node A.
S201, primary nodal point the first Port detecting to fault, the Ethernet ring protection turning protocol module of notice primary nodal point.
First Port detecting of node B is to fault, and this fault can be that link BC breaks down, for instance disconnected fibre, the fault confidence of the first port is notified the Ethernet ring protection turning protocol module of node B by node B.When link BC breaks down, first port of node C may also detect that fault, and its failure notification method is similar with node B.
S202, primary nodal point Ethernet ring protection turning protocol module block primary nodal point the first port.
The Ethernet ring protection turning protocol module of node B carries out obstruction process first port of node B, it is prevented that business is transmitted by faulty link BC by mistake.
The upper ring business setting of primary nodal point is broadcasting service by S203, primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point.
The upper ring business setting of node B is broadcasting service by node B, by the second port broadcast of the upper ring business of node B the first port to node B and primary nodal point.
If now node B receives ring business, because looped network breaks down, the words carrying out business forwarding according to original mac address forwarding table may result in business bust this, such as, on the node B business of ring under link node C, according to original mac address forwarding table, by B-C transport service, but link BC breaks down and will cause business bust this.
S204, primary nodal point Ethernet ring protection turning protocol module send Signal Fail message by the second port of primary nodal point to secondary nodal point, described Signal Fail message includes broadcast flag instruction message；
The Ethernet ring protection turning protocol module of node B sends Signal Fail message by second port of node B to first port of node A, and described Signal Fail message includes broadcast flag instruction message；
S205, primary nodal point remove the mac address forwarding table on the first port of primary nodal point, remove the mac address forwarding table on the second port of primary nodal point；
Mac address forwarding table on first port of node B just node B and the second port is deleted.
The embodiment of the present invention can also include:
Secondary nodal point receives described Signal Fail message by the first port of secondary nodal point, message is indicated to be broadcasting service by the upper ring business setting of secondary nodal point according to broadcast flag, by the second port broadcast of the upper ring business of secondary nodal point the first port to secondary nodal point and secondary nodal point；
Node A receives described Signal Fail message by first port of node A, indicates message to be broadcasting service by the upper ring business setting of node A according to broadcast flag, is broadcasted by the second port of first port to node A of the ring business A of node on and node A.
If now node A receives ring business, because looped network breaks down, the words carrying out business forwarding according to original mac address forwarding table may result in business bust this, such as, on the node A business of ring under link node D, according to original mac address forwarding table, by A-B-C-D transport service, but link BC breaks down and will cause business bust this.
Secondary nodal point, according to the mac address forwarding table on the first port of Signal Fail message erasing secondary nodal point, removes the mac address forwarding table on the second port of secondary nodal point.
Node A is according to the mac address forwarding table on first port of Signal Fail message erasing node A and the second port.
If secondary nodal point is before receiving Signal Fail message, the second port of secondary nodal point is blocked state, then can also include before being broadcasting service by the upper ring business setting of secondary nodal point:
Secondary nodal point receives described Signal Fail message by the first port of secondary nodal point, according to described Signal Fail message, the second port of secondary nodal point is set to open mode；
As it is shown in figure 1, first port of node A is previously at blocked state receiving Signal Fail message, being before broadcasting service by the upper ring business setting of node A, second port of node A is set to open mode according to Signal Fail message by node A.
With node C for primary nodal point, node D is secondary nodal point is example, as shown in Figure 1, first port of node D is previously at blocked state receiving Signal Fail message, being before broadcasting service by the upper ring business setting of node D, first port of node D is set to open mode according to Signal Fail message by node D.
In the embodiment of the present invention, secondary nodal point can also pass through the second port of secondary nodal point and forward described Signal Fail message.
If the second port of secondary nodal point changes open mode into from blocked state, then do not need forward signal thrashing message, for instance, second port of node A changes open mode into from blocked state, it is not necessary to node D forward signal thrashing message.
The present invention can also include the 3rd node in embodiment, the 3rd node receives described Signal Fail message by the first port of the 3rd node, according to described Signal Fail message, the second port of the 3rd node is set to open mode；
Message is indicated to be broadcasting service by the upper ring business setting of the 3rd node according to broadcast flag, by the upper ring business of the first port of the 3rd node and the second port broadcast the 3rd node of the 3rd node；
3rd node is according to the mac address forwarding table on the first port of Signal Fail message erasing the 3rd node.
Described secondary nodal point and described 3rd node are joined directly together, or described secondary nodal point is connected by other node with described 3rd node.
Additionally, whether the mac address forwarding table that primary nodal point judges on the first port of primary nodal point and the second port of primary nodal point has been removed；When the mac address forwarding table on the second port of the first port and primary nodal point that judge primary nodal point has been removed, it is general service by the upper ring business setting of primary nodal point, starts mac address forwarding table learning functionality.
Whether the mac address forwarding table that secondary nodal point judges on the first port of secondary nodal point and the second port of secondary nodal point has been removed；When the mac address forwarding table on the second port of the first port and secondary nodal point that judge secondary nodal point has been removed, it is general service by the upper ring business setting of secondary nodal point, starts mac address forwarding table learning functionality.
Such as, mac address forwarding table on first port of node A decision node A and the second port has been removed, then when the upper ring business of first time transmission node A by the upper ring business the first port to node A and the broadcast of the second port, node A starts mac address forwarding table learning functionality.Follow-up upper ring business according to study to mac address forwarding table carry out business forwarding.
In the embodiment of the present invention, upper ring business, when port failure, is directly broadcasted by primary nodal point to two ports, it is possible to the transmission of recovery business in the short time, and the transmission of business does not rely on the disposal ability of EPRS chip.And online other node of primary nodal point notification ring sets up broadcast identification, and the transmission of all upper ring business does not rely on mac address forwarding table.
As shown in Figure 4; the embodiment of the present invention provides the structure chart of a kind of ethernet ring network failure notification primary nodal point 40; ethernet ring network includes primary nodal point and secondary nodal point; second port of primary nodal point is connected with the first port of secondary nodal point; it is characterized in that, primary nodal point includes first port the 41, second port 42, upper ring service port 43 and Ethernet ring protection turning protocol module 44:
First port 41 of primary nodal point is used for detecting fault, and notifies the Ethernet ring protection turning protocol module 44 of primary nodal point upon failure detection；
The Ethernet ring protection turning protocol module 44 of primary nodal point is for blocking the first port of primary nodal point；It is broadcasting service by the upper ring business setting of primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point；Sending Signal Fail message by the second port of primary nodal point to the first port of secondary nodal point, described Signal Fail message includes broadcast flag instruction message；Primary nodal point removes the mac address forwarding table on the first port of primary nodal point, removes the mac address forwarding table on the second port of primary nodal point.
As it is shown in figure 5, the embodiment of the present invention provides a kind of ethernet ring network failure notification system figure, including such as above primary nodal point 40, also include secondary nodal point 50,
Secondary nodal point 50 is for receiving described Signal Fail message by the first port of secondary nodal point, message is indicated to be broadcasting service by the upper ring business setting of secondary nodal point according to broadcast flag, by the second port broadcast of the upper ring business of secondary nodal point the first port to secondary nodal point and secondary nodal point；The mac address forwarding table on the first port according to Signal Fail message erasing secondary nodal point, removes the mac address forwarding table on the second port of secondary nodal point.
If the second port of secondary nodal point 50 is blocked state, the upper ring business setting of secondary nodal point is before broadcasting service by secondary nodal point, and secondary nodal point is additionally operable to, according to described Signal Fail message, the second port of secondary nodal point is set to open mode.
The second port that secondary nodal point 50 is additionally operable to by secondary nodal point forwards described Signal Fail message.
In other embodiments, it is also possible to include the 3rd node, the second port of the 3rd node is blocked state,
Second port of the 3rd node, for receiving described Signal Fail message by the first port of the 3rd node, is set to open mode according to described Signal Fail message by the 3rd node；Message is indicated to be broadcasting service by the upper ring business setting of the 3rd node according to broadcast flag, by the second port broadcast of the upper ring business of the 3rd node the first port to the 3rd node and the 3rd node；3rd node is according to the mac address forwarding table on the first port of Signal Fail message erasing the 3rd node.
Secondary nodal point and the 3rd node are joined directly together, or secondary nodal point and the 3rd node are connected by other node.
Whether the mac address forwarding table that secondary nodal point can be also used for judging on the second port of the first port of secondary nodal point and secondary nodal point has been removed；When the mac address forwarding table on the second port of the first port and secondary nodal point that judge secondary nodal point has been removed, it is general service by the upper ring business setting of secondary nodal point.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it is possible to realize by another way.Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is possible to be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
Claims (14)
1. an ethernet ring network failure notification method, ethernet ring network includes primary nodal point and secondary nodal point, and the second port of primary nodal point is connected with the first port of secondary nodal point, it is characterised in that including:
First Port detecting of primary nodal point, to fault, notifies the Ethernet ring protection turning protocol module of primary nodal point；
The Ethernet ring protection turning protocol module of primary nodal point blocks the first port of primary nodal point；
The upper ring business setting of primary nodal point is broadcasting service by primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point；
The Ethernet ring protection turning protocol module of primary nodal point sends Signal Fail message by the second port of primary nodal point to the first port of secondary nodal point, and described Signal Fail message includes broadcast flag instruction message；
Primary nodal point removes the mac address forwarding table on the first port of primary nodal point, removes the mac address forwarding table on the second port of primary nodal point.
2. method according to claim 1, it is characterised in that also include:
Secondary nodal point receives described Signal Fail message by the first port of secondary nodal point, message is indicated to be broadcasting service by the upper ring business setting of secondary nodal point according to broadcast flag, by the second port broadcast of the upper ring business of secondary nodal point the first port to secondary nodal point and secondary nodal point；
Secondary nodal point, according to the mac address forwarding table on the first port of Signal Fail message erasing secondary nodal point, removes the mac address forwarding table on the second port of secondary nodal point.
3. method according to claim 2, if the second port of secondary nodal point is blocked state, it is characterised in that described the upper ring business setting of secondary nodal point is broadcasting service before also include:
Second port of secondary nodal point is set to open mode according to described Signal Fail message by secondary nodal point.
4. method according to claim 2, it is characterised in that also include:
Secondary nodal point forwards described Signal Fail message by the second port of secondary nodal point.
5. method according to claim 4, it is characterised in that the second port of the 3rd node is blocked state, also includes:
3rd node receives described Signal Fail message by the first port of the 3rd node, according to described Signal Fail message, the second port of the 3rd node is set to open mode；
Message is indicated to be broadcasting service by the upper ring business setting of the 3rd node according to broadcast flag, by the second port broadcast of the upper ring business of the 3rd node the first port to the 3rd node and the 3rd node；
3rd node is according to the mac address forwarding table on the first port of Signal Fail message erasing the 3rd node.
6. method according to claim 5, it is characterised in that described secondary nodal point and described 3rd node are joined directly together, or described secondary nodal point is connected by other node with described 3rd node.
7. method according to claim 2, it is characterised in that also include:
Whether the mac address forwarding table that secondary nodal point judges on the first port of secondary nodal point and the second port of secondary nodal point has been removed；
When the mac address forwarding table on the second port of the first port and secondary nodal point that judge secondary nodal point has been removed, it is general service by the upper ring business setting of secondary nodal point.
8. an ethernet ring network failure notification primary nodal point; ethernet ring network includes primary nodal point and secondary nodal point; second port of primary nodal point is connected with the first port of secondary nodal point; it is characterized in that, primary nodal point includes the first port, the second port, upper ring service port and Ethernet ring protection turning protocol module:
First port of primary nodal point is used for detecting fault, and notifies the Ethernet ring protection turning protocol module of primary nodal point upon failure detection；
The Ethernet ring protection turning protocol module of primary nodal point is for blocking the first port of primary nodal point；It is broadcasting service by the upper ring business setting of primary nodal point, by the second port broadcast of the upper ring business of primary nodal point the first port to primary nodal point and primary nodal point；Sending Signal Fail message by the second port of primary nodal point to the first port of secondary nodal point, described Signal Fail message includes broadcast flag instruction message；Primary nodal point removes the mac address forwarding table on the first port of primary nodal point, removes the mac address forwarding table on the second port of primary nodal point.
9. an ethernet ring network failure notification system, including the primary nodal point as described in power 8, also includes secondary nodal point,
Secondary nodal point is for receiving described Signal Fail message by the first port of secondary nodal point, message is indicated to be broadcasting service by the upper ring business setting of secondary nodal point according to broadcast flag, by the second port broadcast of the upper ring business of secondary nodal point the first port to secondary nodal point and secondary nodal point；The mac address forwarding table on the first port according to Signal Fail message erasing secondary nodal point, removes the mac address forwarding table on the second port of secondary nodal point.
10. system according to claim 9, if the second port of secondary nodal point is blocked state, it is characterized in that, the upper ring business setting of secondary nodal point is before broadcasting service by secondary nodal point, and secondary nodal point is additionally operable to, according to described Signal Fail message, the second port of secondary nodal point is set to open mode.
11. system according to claim 10, it is characterised in that:
The second port that secondary nodal point is additionally operable to by secondary nodal point forwards described Signal Fail message.
12. system according to claim 9, it is characterised in that also include the 3rd node, the second port of the 3rd node is blocked state,
Second port of the 3rd node, for receiving described Signal Fail message by the first port of the 3rd node, is set to open mode according to described Signal Fail message by the 3rd node；Message is indicated to be broadcasting service by the upper ring business setting of the 3rd node according to broadcast flag, by the second port broadcast of the upper ring business of the 3rd node the first port to the 3rd node and the 3rd node；3rd node is according to the mac address forwarding table on the first port of Signal Fail message erasing the 3rd node.
13. system according to claim 12, it is characterised in that described secondary nodal point and described 3rd node are joined directly together, or described secondary nodal point is connected by other node with described 3rd node.
14. system according to claim 9, it is characterised in that
Whether the mac address forwarding table that secondary nodal point is additionally operable to judge on the second port of the first port of secondary nodal point and secondary nodal point has been removed；When the mac address forwarding table on the second port of the first port and secondary nodal point that judge secondary nodal point has been removed, it is general service by the upper ring business setting of secondary nodal point.
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| CN108259289A (en) * | 2016-12-29 | 2018-07-06 | 华为技术有限公司 | A kind of looped network abnormal protection method and device |
| CN108366013A (en) * | 2018-02-26 | 2018-08-03 | 新华三技术有限公司 | A kind of message forwarding method and device |
| CN109995541A (en) * | 2017-12-29 | 2019-07-09 | 北京华为数字技术有限公司 | A kind of multicast packet sending method and node device |
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