CN105897515A - Ethernet loop detecting and processing method based on IPRAN equipment - Google Patents
Ethernet loop detecting and processing method based on IPRAN equipment Download PDFInfo
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- CN105897515A CN105897515A CN201610410024.3A CN201610410024A CN105897515A CN 105897515 A CN105897515 A CN 105897515A CN 201610410024 A CN201610410024 A CN 201610410024A CN 105897515 A CN105897515 A CN 105897515A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
- H04L43/0841—Round trip packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0847—Transmission error
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/12—Network monitoring probes
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention relates to an Ethernet loop detecting and processing method based on IPRAN equipment, relating to the field of data and IP switch networks. The Ethernet loop detecting and processing method comprises the following steps of: configuring a loopback detection global parameter of the IPRAN equipment, including a global MAC address of the IPRAN equipment; configuring the sending interval of a loopback detection frame on a port, where a VPLS is added into the IPRAN equipment, and configuring a processing action adopted after detecting that the port is topological to form a loop; and enabling a loopback detection function on the port, where the VPLS is added, namely, sending a message carrying the loopback detection frame at the port, checking whether the MAC address in the message is the same as the self global MAC address or not when the IPRAN equipment receives the message, if so, correspondingly processing according to the processing action, and otherwise, directly forwarding the message. According to the Ethernet loop detecting and processing method disclosed by the invention, whether a loop exists in an Ethernet can be detected; loop alarm is reported through a network manager; the loop is eliminated; and network failure due to flooding of a network port can be avoided.
Description
Technical field
The present invention relates to data and IP switch network field, in particular to based on
The Ethernet of IPRAN (IP Radio Access Network, wireless access network IPization) equipment
Loop detection and processing method.
Background technology
Along with the development of switch, user is got more and more by Ethernet switch access network.
In enterprise network, user pass through layer 2 ethernet switch access network, they only have on
The demand of internet, the demand of the most internal double layer intercommunication is the most urgent.When user needs
During double layer intercommunication, directly by mac, (media access control, medium is visited in the forwarding of message
Ask control) addressing, the correctness of mac address learning, decide and whether can between user
Correct intercommunication.
Prior art, in Layer2 switching, carries out message by mac addressing of address and turns
Send out.The mac address learning of two-layer equipment is all carried out by source mac address learning.
That is: receive the message of a unknown source mac address when port, this mac address can be added
Be added on receiving port, in order to follow-up for the purpose of this mac address message can directly forward,
The most once learn, repeatedly forward.
The mac address update mechanism of two-layer equipment is:
1, normal aging process.Source or purpose hit is not had, from ground in the ageing time specified
Location table is deleted this mac address.
2, mobile.When mac address, new source, if it find that this mac address has learnt to arrive
On two-layer equipment, but source port is different, can revise the source port of original mac address,
Namely original mac address is moved on new port.
In above-mentioned situation 2, the movement of mac address is inevitable.According to the principle of Ethernet,
When Ethernet switch node receives a broadcast frame or unknown unicast frame, can own to other
Port floods this frame.In a local network, this mode is the most simple and practical, and telephone net node leads to
Cross the mode flooded, it is easy to broadcast frame or unknown unicast frame are transmitted to destination host.But,
In the presence of having loop in network, broadcast frame can on respective switch node in the loop successively
Flood and forward, being eventually returned to source telephone net node；Source telephone net node receives this broadcast
After frame, can't abandon, and be to continue with flooding according to the pass-through mode of broadcast frame；Therefore,
Broadcast frame can forward on the respective switch node of loop endlessly, final flow rate
Increasing, exhaust bandwidth.Ethernet switch node also can be by broadcast frame outside loop
Port floods, the main frame being sent in LAN, along with the increase of flooding traffic, thus causes
Whole LAN and main frame paralysis thereof, cause serious network failure.
Summary of the invention
For defect present in prior art, it is an object of the invention to provide a kind of based on
Whether the Ethernet Circle detection of IPRAN equipment and processing method, deposit in detection Ethernet
At loop, loop is reported to alert by webmaster, and cancellation loop, it is to avoid the network port floods and leads
The network failure caused.
For reaching object above, the present invention is taken based on the Ethernet Circle inspection of IPRAN equipment
Survey and processing method, including: the loopback detection global parameter of S1. configuration of IP RAN equipment, bag
Include the overall MAC Address of IPRAN equipment；S2. the end of VPLS is added at IPRAN equipment
On mouth, the transmission of configuration loopback detection frame is spaced, and configuration detects that described port topology becomes
The process action taked after ring；S3. on the port of described addition VPLS, enable loopback inspection
Brake, i.e. carries the message of loopback detection frame, when IPRAN equipment in the transmission of described port
When receiving described message, check the MAC Address in message whether with oneself overall MAC
Address is identical, if so, according to described process action, makes respective handling；If it is not, directly turn
Transmit messages literary composition.
On the basis of technique scheme, the overall MAC Address of described IPRAN equipment,
It is unique mark of this IPRAN equipment in network, is defaulted as frame MAC of IPRAN equipment
Address.
On the basis of technique scheme, in S2, described process action includes that port is without dynamic
Work, closing motion and isolation action；During port attonity, port only reports network management alarm；Close
When closing action, port does not receive any service message of forwarding and signaling message；During isolation action,
Port not forwarding service message, but receive and send signaling message.
On the basis of technique scheme, when detecting that loop disappears, release port every
From action.
On the basis of technique scheme, when setting up standby monocycle scene, same when being positioned at
Two ports of IPRAN equipment form loop by external network, and two ports all enable ring
Returning detection function, and one of them port numbers is less than another port numbers, configuration process action is
During isolation action, two ports send the message of loopback detection frame simultaneously, and whichever port is first
Receive the message of the loopback detection frame that another port sends, all by port isolation little for port numbers,
And it being set to circling point, another one port keeps connection.
On the basis of technique scheme, when setting up standby monocycle scene, same when being positioned at
Two ports of IPRAN equipment form loop by external network, and only one of which port enables
Loopback detection function, it is circling point that prioritizing selection enable gains the port of detection function, and by this end
Mouth isolation.
On the basis of technique scheme, during many equipment cyclization scene, two equipment have not
Same overall MAC Address, at the first port and the 2nd IPRAN of an IPRAN equipment
Second port of equipment, the 3rd port enable loopback detection function, and configuration process action is isolation
During action, if the first port of an IPRAN equipment finds that loop exists at first, then
Single port is isolated, and is set to circling point；2nd IPRAN equipment is according to setting up at standby monocycle scene
Reason；When ports having isolation, then the first end of an IPRAN equipment in the 2nd IPRAN equipment
Mouth can not receive the message carrying loopback detection frame oneself sent, it is judged that loop disappears, and releases the
The circling point of Single port, and the second port of the 2nd IPRAN equipment or the 3rd port are circling point.
On the basis of technique scheme, during the multi-ring scene of many equipment, an IPRAN sets
Standby and the 2nd IPRAN equipment all of the port is in identical VLAN, an IPRAN equipment
The first port, the second port and the 3rd port respectively with the first end of the 2nd IPRAN equipment
Mouth, the second port and the 3rd port form link, and form multiple loop, configuration process action
During for isolation action, the port of two IPRAN equipment all enables loopback detection function, and shape
Become in link, the port guarantor that the preferential isolation that port numbers is little, only both link ends port numbers are maximum
Hold connection.
On the basis of technique scheme, during the multi-ring scene of many equipment, an IPRAN equipment,
In 2nd IPRAN equipment and the 3rd IPRAN equipment, all there are first port and one
Two-port netwerk, the port of three equipment links formation link successively, and all of the port is in identical
VLAN, when configuration process action is isolation action, in each IPRAN equipment, the first end
The port numbers of mouth is less than the port numbers of the second port, as long as now blocking the loop that many equipment is formed
In a bit, then abolish loop.
The beneficial effects of the present invention is: carried the message of loopback detection frame by transmission, and examine
Survey the return situation of this message, it is judged that the loop in Ethernet, and report loop to accuse by webmaster
It is alert, it is possible to find the loop in Ethernet in time, it is to avoid whole network is caused serious impact,
Can also be automatically switched off or block the port that loop occurs, with cancellation loop.
Accompanying drawing explanation
Fig. 1 is the detection of present invention Ethernet Circle based on IPRAN equipment and processing method stream
Cheng Tu；
Fig. 2 is that the embodiment of the present invention sets up standby monocycle scene schematic diagram；
Fig. 3 is the embodiment of the present invention many equipment cyclization scene schematic diagram；
Fig. 4 is the many equipment of the embodiment of the present invention multi-ring scene schematic diagram；
Fig. 5 is the embodiment of the present invention many equipment monocycle scene schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As it is shown in figure 1, Ethernet Circle based on IPRAN equipment detection and processing method,
Support based on VPLS (VirtualPrivateLanService, VPLS)
Loop detection, and UNI (User Networks interface, user network side interface) is held
Mouthful carry out blocking or turning off, specifically include following steps:
S1. the loopback detection global parameter of configuration of IP RAN equipment, including IPRAN equipment
Overall situation MAC Address.Concrete, the overall MAC Address of IPRAN equipment, is in network
Unique mark of this IPRAN equipment, is defaulted as the frame MAC Address of IPRAN equipment.
S2. add on the port of VPLS in IPRAN equipment, sending out of configuration loopback detection frame
Send interval, and configuration detects the process action taked after described port topology cyclization.Ring
The ethernet type returning detection frame can configure with selectivity；Described process action includes that port is without dynamic
Work, closing motion and isolation action；During port attonity, port only reports network management alarm；Close
When closing action, port does not receive any service message of forwarding and signaling message；During isolation action,
Port not forwarding service message, but receive and send signaling message.
S3. on the port adding VPLS, enable loopback detection function, i.e. send out at described port
Send the message carrying loopback detection frame, when IPRAN equipment receives described message, check report
MAC Address in literary composition is the most identical with the overall MAC Address of oneself, if so, according to institute
State process action, make respective handling.When detecting that loop disappears, release the isolation of port；
If it is not, do not process, directly forward described message.
When setting up standby monocycle scene, when being positioned at two ports of same IPRAN equipment by outward
Portion's network forms loop, and two ports all enable loopback detection function, and one of them port numbers
Less than another port numbers, when configuration process action is isolation action, two ports are sent out simultaneously
Sending the message of loopback detection frame, whichever port first receives the loopback spy that another port sends
Survey the message of frame, all by port isolation little for port numbers, and be set to circling point, another one port
Keep connection.If only one of which port enables loopback detection function, prioritizing selection enables and gains
The port of detection function is circling point, and by this port isolation.
During as in figure 2 it is shown, set up standby monocycle scene, the first port A and the second port B belongs to
Formed by external network in same IPRAN equipment, the first port A and the second port B
Loop.Now the global parameter of the first port A and the second port B is identical, has identical
Overall situation MAC Address, is in same VLAN, and the port numbers of the first port A is less than second
The port numbers of port B, when configuration process action is isolation action, detects frame by loopback and sends out
Time interval is sent to be configured to identical.
If two ports all enable loopback detection function, the first port A and the second port B
Send loopback detection frame simultaneously.So, no matter the first port A and the second port B who first receives
The loopback detection frame sent to the other side, owing to the port numbers of the first port A is less than the second port B
Port numbers, be all isolation by the connectivity changes of the first port A, and A orientated as into
Circling point.Due to the second port B also can receive loopback detection frame, but now the first port A
Isolate, then the second port B will not produce action, keeps the connectedness of oneself.
If the first port A and the second port B only one of which enable loopback detection function,
The port enabling loopback detection is circling point.Such as, only the first port A enables loopback inspection
Brake, the connectivity changes of the first port A is isolation, and A orientates as into circling point,
It is circling point that loopback detection circling point option program prioritizing selection enables the port of loopback detection function.
During many equipment cyclization scene, two equipment have different overall MAC Address,
First port of one IPRAN equipment and the second port of the 2nd IPRAN equipment, the 3rd port
Enable loopback detection function, when configuration process action is isolation action, if an IPRAN
First port of equipment finds that loop exists at first, then the first port isolation, and is set to circling point；
2nd IPRAN equipment is according to setting up standby monocycle scene process；When the 2nd IPRAN equipment has
Port isolation, then the first port of an IPRAN equipment can not receive oneself send carry ring
Return the message of detection frame, it is judged that loop disappears, and releases the circling point of the first port, and the 2nd IPRAN
Second port or the 3rd port of equipment are circling point.
As it is shown on figure 3, during many equipment cyclization scene, an IPRAN equipment and the 2nd IPRAN
Equipment has different overall MAC Address, at the first port A of an IPRAN equipment
Loopback detection is enabled with on the second port B, the 3rd port C of the 2nd IPRAN equipment.As
Really in an IPRAN equipment the first port A prior to the second port B of the 2nd IPRAN equipment
Or the 3rd port C finds the existence of loop, then the first port A in an IPRAN equipment
First oneself can be isolated.The most successfully ring do not positioned and isolate, the 2nd IPRAN
The loopback detection function of equipment still can find the existence of ring, and according to setting up described in standby monocycle
Process ring.Once ring is successfully isolated by the 2nd IPRAN equipment, then in an IPRAN equipment
The loopback detection of the first port A, will can not receive the report carrying loopback detection frame oneself sent
Literary composition, and judge that loop disappears, by the circling point status releasing of oneself.Now the 2nd IPRAN sets
The second standby port B or the 3rd port C is exactly circling point.
During the multi-ring scene of many equipment, an IPRAN equipment and the 2nd all ends of IPRAN equipment
Mouth is in identical VLAN, the first port of an IPRAN equipment, the second port and the 3rd
Port is formed with the first port of the 2nd IPRAN equipment, the second port and the 3rd port respectively
Link, and form multiple loop, when configuration process action is isolation action, two IPRAN
The port of equipment all enables loopback detection function, and is formed in link, port numbers little preferential every
From, the port that only both link ends port numbers is maximum keeps connection.
As shown in Figure 4, during the multi-ring scene of many equipment, an IPRAN equipment and the 2nd IPRAN
As shown in Figure 4, all of the port is in identical VLAN to device network topological connection relation, the
First port A of one IPRAN equipment, the second port B and the 3rd port C, respectively with
First port D of two IPRAN equipment, the second port E and the 3rd port F form link,
As long as A-D, B-E or C-F link is blocked two of which, loop just can be abolished.Assume
Port numbers magnitude relationship on one IPRAN equipment is: first port A ＜ the second port B ＜
3rd port C, the port numbers magnitude relationship on the 2nd IPRAN equipment is: the first port D
＜ the second port E ＜ the 3rd port F.An IPRAN equipment the first port A, second
Port B and the 3rd port C, and the first port D of the 2nd IPRAN equipment, the second end
Loopback detection function is enabled, according to circling point decision logic, port on mouth E and the 3rd port F
Number little preferential obstruction, then have one between the first port A and the first port D and be isolated,
Have one between second port B and the second port E to be isolated, and the 3rd port C and
The connection of three port F keeps normal, a now IPRAN equipment and the 2nd IPRAN equipment
Data link only have C-F link be connection, reach to abolish the purpose of loop.
During the multi-ring scene of many equipment, an IPRAN equipment, the 2nd IPRAN equipment and the 3rd
In IPRAN equipment, all there are first port and second port, the end of three equipment
Mouth link successively forms link, and all of the port is in identical VLAN, when configuration process action
During for isolation action, in each IPRAN equipment, the port numbers of the first port is less than the second end
The port numbers of mouth, as long as a bit now blocked in the loop that many equipment is formed, then abolishes loop.
During as it is shown in figure 5, be many equipment multi-ring scene, an IPRAN equipment, the 2nd IPRAN
Equipment and the connected mode of the 3rd IPRAN apparatus logic entity.All devices port is in
Identical VLAN, it is assumed that the magnitude relationship of each IPRAN equipment end slogan is the first port
A is more than the second port B, as long as the loop that the most equipment is formed can block on loop
Point, just can reach to abolish the purpose of loop.After three IPRAN equipment loops are formed, then
Open loopback detection function, any one port (the first end on three IPRAN equipment simultaneously
Mouthful A or the second port B) to be considered as into circling point be all correct.As a wherein IPRAN
When equipment is firstly received the loopback detection frame oneself sent, can be by the first port A of oneself
Block.Other two IPRAN equipment would not receive the detection frame that oneself sends again, thus
The most a little blocking on loop, loop is abolished.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
Within these improvements and modifications are also considered as protection scope of the present invention.This specification is not made in detail
The content described belongs to prior art known to professional and technical personnel in the field.
Claims (9)
1. Ethernet Circle based on IPRAN equipment detection and processing method, it is characterised in that
Including:
S1. the loopback detection global parameter of configuration of IP RAN equipment, including IPRAN equipment
Overall situation MAC Address；
S2. add on the port of VPLS at IPRAN equipment, the transmission of configuration loopback detection frame
It is spaced, and configuration detects the process action taked after described port topology cyclization；
S3. on the port of described addition VPLS, loopback detection function is enabled, i.e. at described end
Mouth sends the message carrying loopback detection frame, when IPRAN equipment receives described message, inspection
Look into the MAC Address in message the most identical with the overall MAC Address of oneself, if so, root
According to described process action, make respective handling；If it is not, directly E-Packet.
2. Ethernet Circle based on IPRAN equipment detection as claimed in claim 1 and place
Reason method, it is characterised in that: the overall MAC Address of described IPRAN equipment, is network
In unique mark of this IPRAN equipment, be defaulted as the frame MAC Address of IPRAN equipment.
3. Ethernet Circle based on IPRAN equipment detection as claimed in claim 1 and place
Reason method, it is characterised in that: in S2, described process action includes port attonity, closedown
Action and isolation action；During port attonity, port only reports network management alarm；During closing motion,
Port does not receive any service message of forwarding and signaling message；During isolation action, port does not forwards
Service message, but receive and send signaling message.
4. Ethernet Circle based on IPRAN equipment detection as claimed in claim 3 and place
Reason method, it is characterised in that: when detecting that loop disappears, release the isolation action of port.
5. Ethernet Circle based on IPRAN equipment detection as claimed in claim 1 and place
Reason method, it is characterised in that: when setting up standby monocycle scene, when being positioned at same IPRAN equipment
Two ports by external network formed loop, two ports all enable loopback detection function,
And one of them port numbers is less than another port numbers, when configuration process action is isolation action,
Two ports send the message of loopback detection frame simultaneously, and whichever port first receives another end
The message of the loopback detection frame that mouth sends, all by port isolation little for port numbers, and is set to circling point,
Another one port keeps connection.
6. Ethernet Circle based on IPRAN equipment detection as claimed in claim 1 and place
Reason method, it is characterised in that: when setting up standby monocycle scene, when being positioned at same IPRAN equipment
Two ports by external network formed loop, only one of which port enable loopback detection function,
It is circling point that prioritizing selection enable gains the port of detection function, and by this port isolation.
7. Ethernet Circle based on the IPRAN equipment detection as described in claim 5 or 6
And processing method, it is characterised in that: during many equipment cyclization scene, two equipment have different
Overall situation MAC Address, at the first port and the 2nd IPRAN equipment of an IPRAN equipment
The second port, the 3rd port enable loopback detection function, configuration process action is isolation action
Time, if the first port of an IPRAN equipment finds that loop exists at first, then the first end
Mouth isolation, and it is set to circling point；2nd IPRAN equipment is according to setting up standby monocycle scene process；
When ports having isolation in the 2nd IPRAN equipment, then the first port of an IPRAN equipment is received
The message carrying loopback detection frame sent less than oneself, it is judged that loop disappears, and releases the first end
The circling point of mouth, and the second port of the 2nd IPRAN equipment or the 3rd port are circling point.
8. Ethernet Circle based on IPRAN equipment detection as claimed in claim 1 and place
Reason method, it is characterised in that: during the multi-ring scene of many equipment, an IPRAN equipment and second
IPRAN equipment all of the port is in identical VLAN, the first end of an IPRAN equipment
Mouthful, the second port and the 3rd port respectively with the first port of the 2nd IPRAN equipment, second
Port and the 3rd port form link, and form multiple loop, and configuration process action is dynamic for isolation
When making, the port of two IPRAN equipment all enables loopback detection function, and is formed in link,
The port holding connection that the preferential isolation that port numbers is little, only both link ends port numbers are maximum.
9. Ethernet Circle based on IPRAN equipment detection as claimed in claim 1 and place
Reason method, it is characterised in that: during the multi-ring scene of many equipment, an IPRAN equipment, second
In IPRAN equipment and the 3rd IPRAN equipment, all there are first port and second end
Mouthful, the port of three equipment links formation link successively, and all of the port is in identical VLAN,
When configuration process action is isolation action, in each IPRAN equipment, the port of the first port
Number less than the port numbers of the second port, if now block in the loop that many equipment is formed a bit,
Then abolish loop.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410024.3A CN105897515A (en) | 2016-06-12 | 2016-06-12 | Ethernet loop detecting and processing method based on IPRAN equipment |
| PCT/CN2017/075526 WO2017215291A1 (en) | 2016-06-12 | 2017-03-03 | Ipran device-based method for detecting and processing ethernet loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410024.3A CN105897515A (en) | 2016-06-12 | 2016-06-12 | Ethernet loop detecting and processing method based on IPRAN equipment |
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| CN105897515A true CN105897515A (en) | 2016-08-24 |
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|---|---|---|---|
| CN201610410024.3A Pending CN105897515A (en) | 2016-06-12 | 2016-06-12 | Ethernet loop detecting and processing method based on IPRAN equipment |
Country Status (2)
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| WO (1) | WO2017215291A1 (en) |
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| WO2017215291A1 (en) * | 2016-06-12 | 2017-12-21 | 烽火通信科技股份有限公司 | Ipran device-based method for detecting and processing ethernet loop |
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| CN111147286B (en) * | 2019-12-10 | 2022-10-21 | 中盈优创资讯科技有限公司 | IPRAN network loop monitoring method and device |
| CN114884806A (en) * | 2022-04-01 | 2022-08-09 | 国网浙江省电力有限公司杭州供电公司 | Loop identification and blocking method based on high aggregation scene |
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| CN113472562A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Equipment management method and device and computer system |
| CN113472562B (en) * | 2020-03-31 | 2023-09-01 | 华为技术有限公司 | Equipment management method, device and computer system |
| CN113098709A (en) * | 2021-03-24 | 2021-07-09 | 深圳市乙辰科技股份有限公司 | Network recovery method and device based on distributed networking system and computer equipment |
| CN113328910A (en) * | 2021-05-26 | 2021-08-31 | 中国电子科技集团公司第五十四研究所 | Link state monitoring method facing spanning tree protocol |
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