CN109039887B - Stacking system fault processing method and equipment - Google Patents
Stacking system fault processing method and equipment Download PDFInfo
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- CN109039887B CN109039887B CN201811052829.0A CN201811052829A CN109039887B CN 109039887 B CN109039887 B CN 109039887B CN 201811052829 A CN201811052829 A CN 201811052829A CN 109039887 B CN109039887 B CN 109039887B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/58—Association of routers
- H04L45/583—Stackable routers
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Abstract
The embodiment of the invention provides a fault processing method and equipment for a stacking system, relates to the technical field of communication, and is used for reducing the influence on the stacking system when a switching matrix board card of member equipment of the stacking system fails. The method comprises the following steps: receiving a first notification message sent by slave equipment of a stacking system, wherein the first notification message is used for indicating that a switching matrix board card of the slave equipment sending the first notification message has a fault; sending second notification messages to all slave devices of the stacking system; the second notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be an abnormal state, and calculating to obtain a target unicast forwarding path, wherein the target unicast forwarding path does not contain the slave device which sends the first notification message. The embodiment of the invention is used for fault processing of the stacking system.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for processing a failure in a stacking system.
Background
The Stacking technology is a technology of connecting a plurality of physical devices together to form a Stacking System (SS) through Stacking link connection, and selecting one physical device from the plurality of physical devices forming the Stacking System as a Master device (Master), thereby performing unified management on a management plane and a data plane of the plurality of physical devices. Wherein, a plurality of physical devices composing the stacking system are collectively called member devices of the stacking system; the member device selected to uniformly manage the member devices is called a master device of the stacking system, and the other member devices are called Slave devices (Slave) of the stacking system.
A member device may include multiple traffic boards (LPUs), and traffic is forwarded between the LPUs via a switch matrix board (SFU). In the stacking system, when a switching matrix board card of a certain member device fails, other member devices in the stacking system cannot sense the failure, so that control plane management information and data plane data information inside the stacking system can still be transmitted according to an original path, which causes the control plane and the data plane in the stacking system to be abnormal, and further causes a network failure. In the prior art, a processing scheme when a switching matrix board card of a certain device of a stacking system fails is as follows: it is necessary to manually sense the location of the malfunctioning device and switch the malfunctioning device to a stand-alone mode or exit the stack system. However, in the stacking system, if the faulty device is switched to the stand-alone mode or exits from the stacking system, the influence on the stacking system is large, and even the stacking system may be subjected to an abnormality such as splitting. Meanwhile, as fault points need to be found manually, the efficiency and the fault recovery time are long, so that faults of the switching matrix board cards of member equipment of the stacking system are sensed and processed, and the influence on the stacking system is reduced, which is a problem to be solved urgently.
Disclosure of Invention
Embodiments of the present invention provide a method and an apparatus for processing a failure of a stacking system, which are used to reduce an impact on the stacking system when a switching matrix board card of a member device of the stacking system fails.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a method for processing a failure of a stacking system, where the method is applied to a master control device of the stacking system, and the method includes:
receiving a first notification message sent by slave equipment of the stacking system, wherein the first notification message is used for indicating that a switching matrix board card of the slave equipment sending the first notification message has a fault;
sending second notification messages to all slave devices of the stacking system; the second notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be an abnormal state, and calculating and acquiring a target unicast forwarding path, wherein the target unicast forwarding path does not include the slave device which sends the first notification message.
Optionally, if the stacking system is a non-chain stacking system, after receiving a first notification message sent by a slave device, the method further includes:
acquiring a first broadcast forwarding path, wherein slave equipment which sends the first notification message in the first broadcast forwarding path is a broadcast ring-breaking point;
and sending the first broadcast forwarding path to all slave devices of the stacking system, wherein the broadcast forwarding path is used for indicating all the slave devices of the stacking system to forward the messages in the broadcast form according to the broadcast forwarding path.
Optionally, after receiving the first notification message sent by the slave device, the method further includes:
and forbidding to open the service port of the service board card of the slave equipment which sends the first notification message.
Optionally, the method further includes:
receiving a third notification message sent by the slave device sending the first notification message, where the third notification message is used to indicate that the failure of the switch matrix board card of the slave device sending the first notification message is recovered;
sending fourth notification messages to all slave devices of the stacking system; the fourth notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be a normal state, and recalculating a unicast forwarding path.
In a second aspect, an embodiment of the present invention provides a fault handling method for a stacking system, which is applied to a slave device of the stacking system, and the method includes:
detecting whether a switching matrix board card of the equipment fails or not;
if the switching matrix board card is determined to have a fault, closing service ports on all service board cards of the device, and sending a first notification message to the main control device of the stacking system;
the first notification message is used for indicating that the switching matrix board card of the device has a fault.
Optionally, if the stacking system is a non-chain stacking system, after sending the first notification packet to the master control device of the stacking system, the method further includes:
receiving a first broadcast forwarding path sent by the master control device, wherein the slave device in the first broadcast forwarding path is a broadcast ring-breaking point;
and forbidding to forward the message in the broadcast form according to the first broadcast forwarding path.
Optionally, the method further includes:
determining whether a stacking port of the device is arranged on a plurality of service board cards;
if yes, determining whether a target service board card exists, wherein the target service board card is a service board card of member equipment of an opposite end with a stacked port directly connected and including all directly connected member equipment of the equipment;
if only one target service board exists, closing stack ports on other service boards except the target service board on the equipment;
if a plurality of target service board cards exist, selecting a first service board card from the plurality of target service board cards according to a first preset rule, and closing stack ports on other service board cards except the first service board card on the equipment;
if the target service board card does not exist, selecting a target service board card set from the service board cards of the equipment according to a second preset rule, and closing stack ports on other service board cards on the equipment except the service board card in the target service board card set; the aggregate of the member devices at the opposite end of the stacked ports of the service boards in the target service board collection comprises all the directly connected member devices of the device.
Optionally, the method further includes:
after determining that the fault of the switching matrix board card is repaired, sending a third notification message to the master control device and opening all ports of all service board cards; and the third notification message is used for indicating that the fault of the switching matrix board card of the device is recovered.
In a third aspect, an embodiment of the present invention provides a fault handling method for a stacking system, which is applied to a slave device of the stacking system, and the method includes:
receiving a second notification message sent by a master control device of the stacking system after receiving a first notification message, where the first notification message is used to indicate that a switch matrix board of a slave device sending the first notification message fails, the second notification message is used to indicate that the device sets a software state of the slave device sending the first notification message to an abnormal state, and calculates and obtains a target unicast forwarding path, where the target unicast forwarding path does not include the slave device sending the first notification message.
Optionally, when the stacking system is a non-chained stacking system, the calculating and acquiring the target unicast forwarding path includes:
and selecting a path which does not pass through the slave equipment sending the first notification message from the paths from the equipment to the destination equipment as the unicast forwarding path.
In a fourth aspect, an embodiment of the present invention provides a master device of a stacking system, including:
the receiving unit is used for receiving a first notification message sent by slave equipment of the stacking system, wherein the first notification message is used for indicating that a switching matrix board card of the slave equipment fails;
a sending unit, configured to send a second notification message to all slave devices of the stacking system; the second notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be an abnormal state, and calculating and acquiring a target unicast forwarding path, wherein the target unicast forwarding path does not include the slave device.
Optionally, the master control device further includes: an acquisition unit;
if the stacking system is a non-chain stacking system, the obtaining unit is configured to obtain a first broadcast forwarding path after the receiving unit receives the first notification packet, where a slave device in the first broadcast forwarding path that sends the first notification packet is a broadcast ring-breaking point;
the sending unit is further configured to send the first broadcast forwarding path to all slave devices of the stacking system, where the first broadcast forwarding path is used to instruct all slave devices of the stacking system to forward a broadcast-format packet according to the first broadcast forwarding path.
Optionally, the master control device further includes: a processing unit;
the processing unit is configured to prohibit, after the receiving unit receives the first notification packet, starting a service port of a service board of a slave device that sends the first notification packet.
Optionally, the receiving unit is further configured to receive a third notification message sent by a slave device that sends the first notification message, where the third notification message is used to indicate that a failure of a switch matrix board of the slave device has recovered;
the sending unit is further configured to send a fourth notification message to all slave devices of the stacking system; the fourth notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be a normal state, and recalculating a unicast forwarding path.
In a fifth aspect, an embodiment of the present invention provides a slave device of a stacking system, including:
the detection unit is used for detecting whether the switching matrix board card of the equipment fails;
the processing unit is used for closing the service ports on all the service board cards of the equipment when the detection unit determines that the switching matrix board card of the equipment has a fault;
and the sending unit is used for sending a first notification message to the main control equipment of the stacking system when the detection unit determines that the switching matrix board card of the equipment fails, wherein the first notification message is used for indicating that the switching matrix board card of the equipment fails.
Optionally, the slave device further includes a receiving unit;
if the stacking system is a non-chain stacking system, the receiving unit is configured to receive a first broadcast forwarding path sent by a master control device after sending a first notification packet to the master control device of the stacking system, where the device in the first broadcast forwarding path is a broadcast ring-breaking point;
the processing unit is further configured to prohibit forwarding of the broadcast-type packet according to the first broadcast forwarding path.
Optionally, the processing unit is further configured to determine whether a stacking port of the device is set on multiple service boards; if yes, determining whether a target service board card exists, wherein the target service board card is a service board card of member equipment of an opposite end with a stacked port directly connected and including all directly connected member equipment of the equipment; if only one target service board exists, closing stack ports on other service boards except the target service board on the equipment; if a plurality of target service board cards exist, selecting a first service board card from the plurality of target service board cards according to a first preset rule, and closing stack ports on other service board cards except the first service board card on the equipment; if the target service board card does not exist, selecting a target service board card set from the service board cards of the equipment according to a second preset rule, and closing stack ports on other service board cards on the equipment except the service board cards in the target service board card set; the aggregate of the member devices at the opposite end of the stacked ports of the service boards in the target service board collection comprises all the directly connected member devices of the device.
Optionally, the sending unit is further configured to send a third notification message to the main control device after determining that the fault of the switch matrix board card is repaired, where the third notification message is used to indicate that the fault of the switch matrix board card of the device is recovered;
the processing unit is further configured to open all ports of all the service boards after determining that the fault of the switching matrix board is repaired.
In a sixth aspect, there is provided a slave device of a stacked system, comprising:
a receiving unit, configured to receive a second notification message sent by a master device of the stack system after receiving a first notification message, where the first notification message is used to indicate that a switch matrix board of a slave device that sends the first notification message fails, and the second notification message is used to indicate that a software state of the slave device that sends the first notification message is set to an abnormal state by the device, and a unicast forwarding path is recalculated;
and the processing unit is used for setting the software state of the slave equipment which sends the first notification message to be an abnormal state, and calculating and acquiring a target unicast forwarding path, wherein the target unicast forwarding path does not contain the slave equipment which sends the first notification message.
Optionally, when the stacking system is a non-chained stacking system, the processing unit is specifically configured to select, as the target unicast forwarding path, a path that does not pass through a slave device that sends the first notification packet from among paths from the device to the destination device.
In the method for processing faults of a stacking system, when a first notification message which is sent by slave equipment of the stacking system and used for indicating that a switching matrix board card of the slave equipment has a fault is received, sending a second notification message which is sent to all slave equipment of the stacking system and used for setting the software state of the slave equipment sending the first notification message to be abnormal and calculating and acquiring a target unicast forwarding path to all slave equipment of the stacking system, when the switching matrix board card of the slave equipment of the stacking system has the fault, the embodiment of the invention does not directly quit the stacking system from the faulty equipment, but indicates all slave equipment of the stacking system to set the software state of the slave equipment sending the first notification message to be an abnormal state, and calculates and acquires the target unicast forwarding path which does not contain the slave equipment sending the first notification message, therefore, the influence on the stacking system can be reduced when the fault of the switching matrix board card of the member equipment of the stacking system is processed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a stacking system to which a stacking fault handling method according to an embodiment of the present invention is applied;
FIG. 2 is a schematic diagram of another stacking system to which the stacking fault handling method according to the embodiment of the present invention is applied;
FIG. 3 is an interaction flow chart of a stack fault handling method according to an embodiment of the present invention;
FIG. 4 is a second interaction flowchart of the stack fault handling method according to the embodiment of the present invention;
FIG. 5 is a third interaction flowchart of a stack fault handling method according to an embodiment of the present invention;
FIG. 6 is a fourth flowchart illustrating a method for handling stack faults according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a main control device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a slave device provided in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another slave device provided in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, for the convenience of clearly describing the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that words such as "first" and "second" are not limited in number and execution order.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the description of the present invention, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of sensing units means two or more sensing units.
Technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Referring to fig. 1, a stacking system applied to a failure handling method of a stacking system according to an embodiment of the present invention includes: a plurality of member devices (shown in fig. 1 by including 4 member devices as an example), wherein the member device 11 is a master device of the stacking system, and the member devices 12, 13, and 14 are slave devices of the stacking system; the member device 11, the member device 12, the member device 13 and the member device 14 are connected in sequence through the stacking ports to form a chain stacking system.
Referring to fig. 2, another stacking system to which the fault handling method of the stacking system according to the embodiment of the present invention is applied includes: a plurality of member devices (shown in fig. 2 by including 4 member devices as an example), wherein the member device 21 is a master device of the stacking system, and the member device 22, the member device 23, and the member device 24 are slave devices of the stacking system; the member device 21, member device 22, member device 23, member device 24 are connected sequentially through a stacking port, and the member device 21 and member device 24 are connected through a stacking port, forming a ring stacking system (an example of a non-chained stacking system).
Further, the member devices of the above-described stack system may be routers, switches, and the like.
Referring to fig. 3, in fig. 3, taking a failure of a switch matrix board of a first slave device 31 of a stacked system as an example, operations performed by the failed slave device 31, a master device 32 of the stacked system, and a second slave device 33 of the stacked system except for the failed slave device 31 in the stacked system failure processing method will be described.
It should be noted that the stacking system may further include a plurality of second slave devices 33, but the actions performed by each second slave device 33 are the same, and for simplifying the description, the embodiment of the present invention takes the case where the stacking system includes one second slave device 33 as an example.
Specifically, referring to fig. 3, a fault handling method for a stacking system according to an embodiment of the present invention includes:
and S11, the first slave device detects whether the switch matrix board card of the device has a fault.
Specifically, each member device in the stacking system has a keep-alive mechanism for the switch matrix board card, and by using the keep-alive mechanism for the switch matrix board card, each member device can detect the physical in-place state of the switch matrix board card, the forwarding flow monitoring state and other states, so as to determine whether the switch matrix board card in the machine frame of the member device fails.
In the above step S11, if each member device confirms that the switch matrix board in its subrack has not failed, the stacking system operates normally according to the operation mechanism of the prior art, and if the first slave device (which may be any slave device of the stacking system) confirms that the switch matrix board in its subrack has failed, the following steps S12 and S13 are executed.
And S12, the first slave device closes the service ports on all the service boards of the device.
It should be noted that, the service ports on the service boards in the embodiment of the present invention refer to all ports except the stack port on the service board, and therefore, in the step S12, only the service ports on all the service boards of the first slave device are closed, and the stack port on the service board of the first slave device is not included.
Illustratively, if the first slave device includes: a service board 1 and a service board 2, and a port 1 and a port 2 are distributed on the service board 1, and a port 3 and a port 4 are distributed on the service board 2, where the port 2 is a stack port, and the port 1, the port 3, and the port 4 are service ports, then the step S12 is executed as follows: port 1, port 3, port 4 are closed, keeping port 2 open.
S13, the first slave device sends a first notification message to the master device of the stacking system.
The first notification message is used for indicating that the switch matrix board card of the first slave device fails.
Correspondingly, the master control device of the stacking system receives a first notification message sent by the first slave device.
That is, the slave device of the stacking system notifies the master device of the stacking system after confirming that the switch matrix board card in its subrack has a fault, and the master device of the stacking system sets the software state of the first slave device to be in an abnormal state.
And S14, the master control device sends a second notification message to all the slave devices of the stacking system.
The second notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device (first slave device) sending the first notification message to an abnormal state, and calculating and acquiring a target unicast forwarding path.
The target unicast forwarding path does not include a slave device (first slave device) that sends the first notification message.
Correspondingly, the second slave device receives a second notification message sent by the master device.
S15, the second slave device sets the software state of the slave device (the first slave device) that sends the first notification packet to an abnormal state, and calculates and obtains the target unicast forwarding path.
Specifically, after the software state of the first slave device is set to the abnormal state, calculating and acquiring a target unicast forwarding path includes:
1. if the stacking system is a chain stacking system, the original forwarding path is maintained.
Since the unicast forwarding path from any device to the destination device in the chain stacking system is unique, the original forwarding path is maintained when the stacking system is the chain stacking system.
2. If the stacking system is a non-chained stacking system, calculating and acquiring the target unicast forwarding path comprises:
and selecting a path which does not pass through the first slave device from paths from the second slave device to the destination device as a unicast forwarding path.
Specifically, the stacking system is a non-chained stacking system, and specifically, the stacking system may be an annular stacking system shown in fig. 2.
In addition, the selecting a path that does not pass through the first slave device from the paths from the second slave device to the destination device includes the following two cases:
2.1, the second slave device and the target device are direct connection devices.
Since the second slave device and the destination device are direct connection devices, the shortest path from the second slave device to the destination device does not necessarily need to pass through the first slave device, and thus, when the second slave device and the destination device are direct connection devices, the original path calculation principle (which may be the shortest path calculation principle) is maintained.
2.2, the second slave device and the target device are not direct connection devices.
The second slave device and the destination device are not direct connection devices, so that the second slave device to the destination device may include multiple paths, and at this time, one path that does not pass through the first slave device is selected from the multiple paths from the second slave device to the destination device as a unicast path from the second slave device to the destination device. In addition, if the path from the second slave device to the destination device includes a plurality of paths that do not pass through the first slave device, a unicast path may be selected from the plurality of paths that do not pass through the first slave device according to a calculation principle such as a shortest path.
The embodiment of the invention does not directly quit the stacking system but indicates all the slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be in an abnormal state when the switching matrix board card of the slave device of the stacking system fails, and calculates and obtains the target unicast forwarding path which does not contain the slave device which sends the first notification message, therefore, the influence on the stacking system can be reduced when the fault of the switching matrix board card of the member equipment of the stacking system is processed.
Further, referring to fig. 4, if the stacking system is a non-chain stacking system, after step S13, the method for handling a failure of a stacking system according to the embodiment of the present invention further includes:
and S16, the main control equipment acquires the first broadcast forwarding path.
The slave device (first slave device) that sends the first notification packet in the first broadcast forwarding path is a broadcast ring-off point.
S17, the master device sends the first broadcast forwarding path to all slave devices of the stacking system.
The first broadcast forwarding path is used for indicating all slave devices of the stacking system to forward the message in the broadcast form according to the first broadcast forwarding path.
Correspondingly, the first slave device and the second slave device both receive the first broadcast forwarding path sent by the master control device.
And S18, the first slave device forbids forwarding the message in the broadcast form according to the first broadcast forwarding path.
That is, the first slave device turns off the broadcast traffic forwarding capability.
In addition, the second slave device forwards the message in the broadcast form according to the first broadcast forwarding path.
In the foregoing embodiment, when the stacking system is a non-chain stacking system, the master device obtains the first broadcast path that uses the first slave device as the broadcast loop breaking point, and sends the first broadcast path to each slave device of the stacking system, so that the first slave device can be avoided from passing through when the broadcast traffic is forwarded, and thus the foregoing embodiment can avoid an influence on the broadcast traffic forwarding due to a failure of the switching matrix board card of the first slave device.
Optionally, the method for processing a failure of a stacking system provided in the foregoing embodiment further includes:
after receiving the first notification message, the master control device prohibits the opening of the service port of the service board of the slave device (first slave device) that sends the first notification message.
Optionally, referring to fig. 5, on the basis of the foregoing embodiment, the method for processing a failure of a stacking system according to an embodiment of the present invention further includes:
and S51, the first slave device determines whether the stack port of the first slave device is arranged on a plurality of service boards.
In the above step S51, if it is determined that the stack port is set on the same service board, the flow ends, and if it is determined that the stack port is set on a plurality of service boards, the following step S52 is executed.
And S52, determining whether the target service board exists.
The target service board card is an opposite-end member device of the stack port and comprises all service board cards of directly-connected member devices of the first slave device.
In the above step S52, if there is only one target service board, the following step S53 is performed, if there are a plurality of target service boards, the following step S54 is performed, and if there is no target service board, the following step S55 is performed.
And S53, closing the stack ports on the other service boards except the target service board on the first slave device.
And S54, selecting a first business board card from the multiple target business board cards according to a first preset rule, and closing stack ports on other business board cards except the first business board card on the first slave device.
Optionally, selecting a first service board card from the multiple target service board cards according to a first preset rule, where the selecting includes:
and selecting the service board card with the smallest slot position number as the first service board card from the plurality of target service board cards.
And S55, selecting a target service board card set from the service board cards of the first slave device according to a second preset rule, and closing stack ports on other service board cards on the first slave device except the service board cards in the target service board card set.
The aggregate of the opposite-end member devices of the stacked ports of the service boards in the target service board collection comprises all the direct-connected member devices of the first slave device.
Optionally, after the method is performed, the first slave device is further configured to forward, to the service board where the stacking port connected to the destination member device is located, the packet TRAP that needs to be forwarded across the service boards, to the central processing unit through the internal management channel.
It should be noted that, in the embodiment of the present invention, the sequence of steps S51 to S55 shown in fig. 5 and steps S12 to S18 shown in fig. 4 is not limited.
Optionally, selecting a target service board set from the service boards of the first slave device according to a second preset rule, where the selecting includes:
and selecting the board with the largest number of directly connected member equipment from the service boards of the first slave equipment.
For example: if the member device at the opposite end connected with the stacking port on the service board 1 is the member 1 and the member 2, and the member device at the opposite end connected with the stacking port on the service board 2 is the member 1, the stacking port on the service board 2 is closed at this time.
That is, when there is no target service board, on the basis of ensuring that each directly connected member device is connected through the stacking port of the service board, the number of service boards opened by the stacking port is as small as possible.
Still further, referring to fig. 6, after determining that the failure of the switch matrix board card is repaired, the method for processing the failure of the stacking system according to the embodiment of the present invention further includes:
s19, the first slave device opens all ports of all service boards.
And S110, sending a third notification message to the main control equipment.
And the third notification message is used for indicating that the fault of the switching matrix board card of the first slave device is recovered.
Correspondingly, the master control device receives a third notification message sent by the first slave device.
And S111, the master control equipment sends fourth notification messages to all slave equipment of the stacking system.
The fourth notification message is used to instruct all slave devices of the stacking system to set the software state of the slave device that sends the first notification message or the slave device that sends the third notification message (the first slave device) to a normal state, and to recalculate the forwarding path.
Correspondingly, the second slave device receives the fourth notification message sent by the master device.
S112, the second slave device sets the software state of the slave device sending the first notification packet or the slave device sending the third notification packet (the first slave device) to a normal state, and recalculates the unicast forwarding path.
It should be noted that, after the second slave device sets the software state of the first slave device to the normal state in step S112, the forwarding path may be broadcasted from the newly recalculated forwarding path, and the recalculated unicast and broadcast forwarding path may include the first slave device.
Further optionally, the method further includes: the first slave device, the master control device and the second slave device report the fault occurrence log, the fault processing log and the fault recovery log.
Further, the following summarizes the above-described stack failure processing manner of the master device, the first slave device, and the second slave device:
one, master control equipment
1. After the master control device of the stacking system receives the first notification message, the executing action includes:
1.1, if the stacking system is a non-chain stacking system, after presetting a first slave device as a broadcast loop breaking point, recalculating a broadcast forwarding path and informing the whole network of modifying a broadcast forwarding table item;
1.2, notifying each member device in the stacking system of the fault of the switching matrix board card of the first slave device, and indicating each member device in the stacking system to recalculate a unicast forwarding path;
1.3, modifying the software state of the fault equipment into an abnormal state, and forbidding to start the service port of the service board card of the first slave equipment;
and 1.4, reporting a fault occurrence log and a fault processing log.
2. After the master control device of the stacking system receives the third notification message, the performing action includes:
2.1, modifying the software state of the first slave equipment into a normal state;
2.2, notifying each member device in the stacking system that the switch matrix board card of the first slave device is repaired, and instructing each member device in the stack to recalculate the unicast forwarding path.
And 2.3, reporting the fault recovery log.
Second, first slave (slave with failure of switching matrix board card)
1. When the first slave device detects that the switch matrix board card has a fault, the executing action includes:
1.1, sending a first notification message to a master control device of the stacking system;
1.2, closing other ports except the stacking port on the service board card;
1.3, receiving a first broadcast forwarding path sent by a master control device of the stacking system, and forbidding to forward the broadcast traffic according to the first broadcast forwarding path.
1.4, if the stacking ports are distributed on a plurality of service board cards and only one stacking member port exists on one stacking board card, and the member device at the opposite end can cover all the directly connected member devices of the device, only all the stacking ports on the board card are reserved, and the rest stacking member ports are closed; if the stacking ports are distributed on a plurality of service board cards and the stacking member ports on the plurality of stacking board cards exist, if the stacking ports are distributed on the plurality of service board cards and only one stacking member port on one stacking board card exists, one stacking board card is reserved according to a certain selection principle (such as the minimum slot position number), and the rest stacking member ports meeting/not meeting the conditions are closed; if the stacking ports are distributed on a plurality of service board cards, and no stacking member port exists on the stacking board card, and the member device at the opposite end can cover all the directly-connected member devices of the device, the number of the service board cards opened by the stacking ports is reduced as much as possible on the basis of ensuring that each member device can be reached through the stacking port on the service board card; under the premise, a central processing unit on a TRAP (packet transfer protocol) of a message to be forwarded across cards is forwarded to a service board card where a stacking port connected with target member equipment is located by the central processing unit through an internal management channel.
1.5, the internal management channel of the stacking system is still reserved, and the fault equipment is allowed to be accessed through the internal channel and relevant management operation is carried out.
And 1.6, reporting a fault occurrence log and a fault processing log.
2. When it is detected that the fault occurring in the switch matrix board card has been repaired, the actions include:
2.1, sending a third notification message to the master control equipment of the stacking system;
2.2, opening a service port and a stack port;
2.3 reporting fault recovery log
Third, second slave device (any other slave device except the slave device with failure of the switch matrix board card in the stacking system)
1. After receiving a second notification message sent by a master control device of the stacking system, the performing action includes:
1.1, modifying the software state of the fault equipment into an abnormal state;
1.2, recalculating the unicast forwarding path.
2. After receiving a fourth notification message sent by the master control device of the stacking system, the performing action includes:
2.1, modifying the software state of the fault equipment into a normal state;
and 2.2, recalculating the unicast forwarding path.
In another embodiment of the present invention, a master control device of a stacking system is provided, and specifically, as shown in fig. 7, the master control device 700 includes:
a receiving unit 71, configured to receive a first notification message sent by a slave device of the stacked system, where the first notification message is used to indicate that a switch matrix board of the slave device that sends the first notification message fails;
a sending unit 72, configured to send a second notification message to all slave devices of the stacking system; the second notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be an abnormal state, and calculating to obtain a target unicast forwarding path, wherein the target unicast forwarding path does not contain the slave device which sends the first notification message.
Optionally, the main control device 700 further includes: an acquisition unit 73;
if the stacking system is a non-chain stacking system, the obtaining unit 73 is configured to obtain a first broadcast forwarding path after the receiving unit 71 receives the first notification packet, where a slave device in the first broadcast forwarding path that sends the first notification packet is a broadcast ring-breaking point;
the sending unit 72 is further configured to send a first broadcast forwarding path to all slave devices of the stacking system, where the first broadcast forwarding path is used to instruct all slave devices of the stacking system to forward the broadcast message according to the first broadcast forwarding path.
Optionally, the main control device 700 further includes: a processing unit 74;
the processing unit 74 is configured to prohibit, after the receiving unit 71 receives the first notification message, starting a service port of a service board of a slave device that sends the first notification message.
Optionally, the receiving unit 71 is further configured to receive a third notification message sent by the slave device, where the third notification message is used to indicate that the fault of the switch matrix board of the slave device is recovered;
the sending unit 72 is further configured to send a fourth notification message to all slave devices of the stacking system; the fourth notification message is used for indicating all slave devices of the stacking system to set the software state of the slave device which sends the first notification message to be a normal state, and recalculating the unicast forwarding path.
In a further embodiment of the present invention, a slave device of a stacking system is provided, and specifically, referring to fig. 8, the slave device 800 includes:
the detection unit 81 is configured to detect whether a failure occurs in a switch matrix board card of the device;
the processing unit 82 is configured to close service ports on all service boards of the slave device when the detection unit 81 determines that the switching matrix board of the device fails;
a sending unit 83, configured to send a first notification message to the master device of the stacking system when the detecting unit 81 determines that the switch matrix board card has a fault, where the first notification message is used to indicate that the switch matrix board card of the slave device that sends the first notification message has a fault.
Optionally, the slave device 800 further includes: a receiving unit 84;
if the stacking system is a non-chain stacking system, the receiving unit 84 is configured to receive a first broadcast forwarding path sent by a master device after sending a first notification message to the master device of the stacking system, where a slave device sending the first notification message in the first broadcast forwarding path is a broadcast ring-off point;
the processing unit 82 is further configured to prohibit forwarding the broadcast message according to the first broadcast forwarding path.
Optionally, the processing unit 82 is further configured to determine whether the stack port of the device is set on multiple service boards; if yes, determining whether a target service board exists, wherein the target service board is a service board of all member equipment directly connected with the stacking port, and the member equipment directly connected with the stacking port comprises opposite member equipment; if only one target service board exists, closing stack ports on other service boards except the target service board on the equipment; if a plurality of target service board cards exist, selecting a first service board card from the plurality of target service board cards according to a first preset rule, and closing stack ports on other service board cards except the first service board card on the equipment; if the target service board card does not exist, selecting a target service board card set from the service board cards of the equipment according to a second preset rule, and closing stack ports on other service board cards on the equipment except the service board cards in the target service board card set; the aggregate of the member devices at the opposite end of the stacked ports of the service boards in the target service board set comprises all the directly connected member devices of the device.
Optionally, the sending unit 83 is further configured to send a third notification message to the main control device after determining that the fault of the switch matrix board is repaired, where the third notification message is used to indicate that the fault of the switch matrix board of the slave device that sends the first notification message is recovered;
the processing unit 82 is further configured to open all ports of all service boards after determining that the fault of the switch matrix board is repaired.
In a further embodiment of the present invention, a slave device of a stacking system is provided, and specifically, referring to fig. 9, the slave device 900 includes:
a receiving unit 91, configured to receive a second notification message sent by a master device of the stack system after receiving a first notification message, where the first notification message is used to indicate that a switch matrix board of a slave device that sends the first notification message fails, and the second notification message is used to indicate that a software state of the slave device that sends the first notification message is set to an abnormal state, and a unicast forwarding path is recalculated;
the processing unit 92 is configured to set a software state of a slave device that sends the first notification packet to an abnormal state and calculate and acquire a target unicast forwarding path, where the target unicast forwarding path does not include the slave device that sends the first notification packet.
Optionally, when the stacking system is a non-chained stacking system, the processing unit 92 is specifically configured to select, as the target unicast forwarding path, a path that does not pass through the slave device that sends the first notification packet from among paths from the device to the destination device.
In the master control device provided in the embodiment of the present invention, when receiving a first notification message sent by a slave device of a stacking system and used for indicating that a switch matrix board of the slave device fails, sending a second notification message, which is sent to all slave devices of the stacking system and used for setting a software state of the slave device sending the first notification message to be abnormal and calculating and acquiring a target unicast forwarding path, to all the slave devices of the stacking system The impact of the system.
It should be noted that, in a specific implementation process, each step executed by the controller and the network node in the above-described method flow shown in the figure may be implemented by a processor in a hardware form executing a computer execution instruction in a software form stored in a memory, and details are not described here again to avoid repetition. The program corresponding to the action executed by the authentication server can be stored in the memory of the authentication server in a software form, so that the processor can call and execute the operation corresponding to each module.
The memory above may include volatile memory (volatile memory), such as random-access memory (RAM); a non-volatile memory (non-volatile memory) such as a read-only memory (ROM), a flash memory (flash memory), a Hard Disk Drive (HDD) or a solid-state drive (SSD); combinations of the above categories of memory may also be included.
The processor in the above-provided apparatus may be a single processor or may be a collective term for a plurality of processing elements. For example, the processor may be a central processing unit (CPU; other general purpose processors, Digital Signal Processor (DSP), Application Specific Integrated Circuit (ASIC), field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of modules is merely a division of logical functions, and an actual implementation may have another division, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (14)
1. A fault handling method for a stacking system is applied to a master control device of the stacking system, and comprises the following steps:
receiving a first notification message sent by a first slave device of the stacking system, wherein the first notification message is used for indicating that a switching matrix board card of the first slave device fails;
sending second notification messages to all slave devices of the stacking system, and forbidding to start the service port of the service board card of the first slave device; the second notification message is used to instruct all slave devices of the stacking system to set the software state of the first slave device to an abnormal state, and calculate and obtain a target unicast forwarding path, where the target unicast forwarding path does not include the first slave device, and specifically, if the stacking system is a chain stacking system, the original forwarding path is maintained; if the stacking system is a non-chain stacking system, selecting a path from paths from second slave equipment to destination equipment, wherein the path does not pass through the first slave equipment, and the second slave equipment and the destination equipment are normal equipment;
and when the stacking system is a non-chained stacking system, closing the broadcast traffic forwarding capability of the first slave device.
2. The method for handling the failure of the stacking system according to claim 1, wherein if the stacking system is a non-chain stacking system, after receiving the first notification message sent by the first slave device, the method further comprises:
acquiring a first broadcast forwarding path, wherein a first slave device which sends the first notification message in the first broadcast forwarding path is a broadcast loop breaking point;
the broadcast ring-off point closes broadcast traffic forwarding capability at the stacking port of the first slave device;
and sending the first broadcast forwarding path to all slave devices of the stacking system, wherein the first broadcast forwarding path is used for indicating all the slave devices of the stacking system to forward the messages in a broadcast form according to the first broadcast forwarding path.
3. The stacking system fault handling method of claim 1, further comprising:
receiving a third notification message sent by the first slave device, where the third notification message is used to indicate that the failure of the switch matrix board card of the first slave device has recovered;
sending fourth notification messages to all slave devices of the stacking system; the fourth notification message is used for instructing all slave devices of the stacking system to set the software state of the first slave device to be a normal state, and recalculating the unicast forwarding path.
4. A fault handling method for a stacking system is applied to a slave device of the stacking system, and comprises the following steps:
the first slave equipment detects whether a switching matrix board card of the equipment fails;
if the switching matrix board card is determined to have a fault, the first slave device closes service ports on all service board cards of the device and sends a first notification message to the master control device of the stacking system; the first notification message is used for indicating that the switching matrix board card of the first slave device fails;
when the stacking system is a non-chained stacking system, the first slave device closes the broadcast traffic forwarding capability of the device;
a second slave device receives a second notification message sent by a master device of the stacking system after receiving a first notification message, where the second notification message is used to instruct the second slave device to set a software state of the first slave device to an abnormal state, and calculate and obtain a target unicast forwarding path, where the target unicast forwarding path does not include the first slave device, and specifically, if the stacking system is a chain stacking system, the original forwarding path is maintained; if the stacking system is a non-chain stacking system, selecting a path from paths from the second slave device to the destination device, where the path does not pass through the first slave device, and the second slave device and the destination device are normal devices in the slave devices of the stacking system.
5. The method for handling the failure of the stacking system according to claim 4, wherein if the stacking system is a non-chained stacking system, after sending the first notification packet to the master device of the stacking system, the method further comprises:
the first slave equipment receives a first broadcast forwarding path sent by the master control equipment, wherein the first slave equipment in the first broadcast forwarding path is a broadcast loop breaking point;
the broadcast ring-off point closes broadcast traffic forwarding capability at the stacking port of the first slave device;
and the first slave equipment forbids to forward the message in the broadcast form according to the first broadcast forwarding path.
6. The stacking system fault handling method of claim 4, further comprising:
the first slave equipment determines whether a stacking port of the equipment is arranged on a plurality of service board cards;
if so, the first slave device determines whether a target service board card exists, wherein the target service board card is an opposite-end member device with a stack port directly connected and comprises service board cards of all directly connected member devices of the device;
if only one target service board exists, the first slave device closes the stack ports of the service boards on the device except the target service board;
if a plurality of target service board cards exist, the first slave device selects a first service board card from the plurality of target service board cards according to a first preset rule, and closes stack ports on other service board cards except the first service board card on the device;
if the target service board card does not exist, the first slave device selects a target service board card set from the service board cards of the first slave device according to a second preset rule, and closes stack ports on other service board cards on the first slave device except the service board cards in the target service board card set; the aggregate of the member devices at the opposite end of the stacked ports of the service boards in the target service board collection comprises all the directly connected member devices of the device.
7. The stacking system fault handling method of claim 6, further comprising:
after determining that the fault of the switching matrix board card is repaired, the first slave device sends a third notification message to the master device and opens all ports of all service board cards; and the third notification message is used for indicating that the fault of the switching matrix board card of the equipment is recovered.
8. A master device of a stacking system, comprising:
the receiving unit is used for receiving a first notification message sent by a first slave device of the stacking system, wherein the first notification message is used for indicating that a switching matrix board card of the first slave device fails;
a sending unit, configured to send a second notification message to all slave devices of the stacking system, and prohibit starting a service port of a service board of the first slave device; the second notification message is used to instruct all slave devices of the stacking system to set the software state of the first slave device to an abnormal state, and calculate and obtain a target unicast forwarding path, where the target unicast forwarding path does not include the first slave device, and specifically, if the stacking system is a chain stacking system, the original forwarding path is maintained; if the stacking system is a non-chain stacking system, selecting a path from paths from second slave equipment to destination equipment, wherein the path does not pass through the first slave equipment, and the second slave equipment and the destination equipment are normal equipment;
and the processing unit is used for closing the broadcast flow forwarding capacity of the first slave equipment when the stacking system is a non-chained stacking system.
9. The master device of the stacking system of claim 8, further comprising: an acquisition unit;
if the stacking system is a non-chain stacking system, the obtaining unit is configured to obtain a first broadcast forwarding path after the receiving unit receives the first notification packet, where the first slave device in the first broadcast forwarding path is a broadcast ring-breaking point;
the broadcast ring-off point closes broadcast traffic forwarding capability at the stacking port of the first slave device;
the sending unit is further configured to send the first broadcast forwarding path to all slave devices of the stacking system, where the first broadcast forwarding path is used to instruct all slave devices of the stacking system to forward a broadcast-format packet according to the first broadcast forwarding path.
10. The master control device of a stacking system of claim 8,
the receiving unit is further configured to receive a third notification message sent by the first slave device, where the third notification message is used to indicate that the failure of the switch matrix board of the first slave device has recovered;
the sending unit is further configured to send a fourth notification message to all slave devices of the stacking system; the fourth notification message is used for instructing all slave devices of the stacking system to set the software state of the first slave device to be a normal state, and recalculating the unicast forwarding path.
11. A slave device of a stacking system, characterized in that the slave device comprises a first slave device comprising a detection unit, a first processing unit and a transmission unit, and a second slave device comprising a first reception unit and a second processing unit:
the detection unit is used for detecting whether the switching matrix board card of the equipment fails;
the first processing unit is configured to close service ports on all service board cards of the device when the detection unit determines that a failure occurs in a switch matrix board card of the device;
the sending unit is configured to send a first notification message to the master control device of the stacking system when the detection unit determines that the switch matrix board of the device fails, where the first notification message is used to indicate that the switch matrix board of the first slave device fails;
the first processing unit is further configured to close a broadcast traffic forwarding capability of the first slave device when the stacking system is a non-chained stacking system;
the first receiving unit is configured to receive a second notification message sent by a master device of the stacking system after receiving a first notification message, where the second notification message is used to instruct a second slave device to set a software state of sending the first slave device to an abnormal state, and recalculate a unicast forwarding path;
the second processing unit is configured to set a software state of the first slave device to an abnormal state and calculate and acquire a target unicast forwarding path, where the target unicast forwarding path does not include the first slave device, and specifically, if the stacking system is a chained stacking system, the original forwarding path is maintained; if the stacking system is a non-chain stacking system, selecting a path from paths from the second slave device to the destination device, where the path does not pass through the first slave device, and the second slave device and the destination device are normal devices in the slave devices of the stacking system.
12. The slave device of the stacking system of claim 11, wherein the first slave device further comprises a second receiving unit;
if the stacking system is a non-chain stacking system, the second receiving unit is configured to receive a first broadcast forwarding path sent by a master device after sending a first notification packet to the master device of the stacking system, where the first slave device in the first broadcast forwarding path is a broadcast ring-breaking point;
the broadcast ring-off point closes broadcast traffic forwarding capability at the stacking port of the first slave device;
the first processing unit is further configured to prohibit forwarding of a broadcast-type packet according to the first broadcast forwarding path.
13. The slave device of the stacking system of claim 12, wherein the first processing unit is further configured to determine whether the stack port of the first slave device is disposed on multiple service boards; if yes, determining whether a target service board card exists, wherein the target service board card is a service board card of member equipment of an opposite end with a stacked port directly connected and including all directly connected member equipment of the equipment; if only one target service board exists, closing stack ports on other service boards except the target service board on the first slave device; if a plurality of target service board cards exist, selecting a first service board card from the plurality of target service board cards according to a first preset rule, and closing stack ports on other service board cards except the first service board card on the first slave device; if the target service board card does not exist, selecting a target service board card set from the service board cards of the first slave equipment according to a second preset rule, and closing stack ports on other service board cards on the first slave equipment except the service board card in the target service board card set; the aggregate of the member devices at the opposite end of the stacked ports of the service boards in the target service board collection comprises all the directly connected member devices of the first slave device.
14. The slave device of the stacking system of claim 11,
the sending unit is further configured to send a third notification message to the master device after determining that the fault of the switch matrix board card is repaired, where the third notification message is used to indicate that the fault of the switch matrix board card of the first slave device is recovered;
the first processing unit is further configured to open all ports of all the service boards after determining that the fault of the switching matrix board is repaired.
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| CN113472643B (en) * | 2021-06-15 | 2023-08-18 | 新华三信息安全技术有限公司 | Fault processing method and device |
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