CN102857419B - Method and device for processing fault of link aggregation port - Google Patents
Method and device for processing fault of link aggregation port Download PDFInfo
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- CN102857419B CN102857419B CN201210385736.6A CN201210385736A CN102857419B CN 102857419 B CN102857419 B CN 102857419B CN 201210385736 A CN201210385736 A CN 201210385736A CN 102857419 B CN102857419 B CN 102857419B
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Abstract
The invention relates to a method and a device for processing a fault of a link aggregation port. A transferring chip of a line clamp to which a faulted physical port belongs receives a fault report message when the faulted physical port in a link aggregation group is faulted, wherein the fault report message carries port information of the faulted physical port; an inform message is sent to a transferring chip of a line clamp to which other physical ports except for the faulted physical port belong in the link aggregation group, wherein the inform message carries the port information of the faulted physical port; and the transferring chip of the line clamp to which other physical ports belong can update the stored state of the faulted physical port according to the port information. According to the embodiment of the invention, when a certain physical port in the link aggregation group is faulted, the transferring chip can broadcast the fault message of the port, so that the fault processing time is shortened, and an aim of preventing packet loss caused by fault of the port is fulfilled.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of processing method and device of fault of link aggregation port.
Background technology
Link aggregation (Link Aggregation) bundles one group of physical port as a logic interfacing to increase a kind of method of bandwidth, is also called the balanced group (Load SharingGroup) of multi-port load or trunking (Trunk).By setting up link aggregation group (Link Aggregation Group) between two equipment (as device A and equipment B); higher communication bandwidth and the reliability of Geng Gao can be provided; this raising does not need the upgrading of hardware, and is that communication between two equipment provides redundancy protecting.
When using link aggregation group, if there is a physical port to break down, the physical port broken down is needed to delete from Trunk, namely need to upgrade Trunk information about firms, break down for the physical port 1 adding Trunk of device A below, under introducing prior art, upgrade the process of Trunk information about firms.When the forwarding chip of the line card 1 corresponding to physical port 1 receives the message that physical port 1 breaks down, this message is transmitted to the CPU of this line card 1 by forwarding chip, by the CPU of line card 1, failure message is sent to the CPU of the master control board card of device A, finally notifies that each line card upgrades Trunk information about firms by the CPU of master control board card again.The shortcoming of prior art is, the time of deleting the physical port of fault is longer, and during deletion failed physical port, the message being sent to this non-working port can be dropped, and affects the reliability of equipment.
Summary of the invention
Embodiments provide a kind of processing method and device of fault of link aggregation port, by the failure message of forwarding chip Broadcast Port when certain physical port that can realize in link aggregation group breaks down, shorten fault handling time, to achieve after port failure not packet loss.
On the one hand, embodiments provide a kind of processing method of fault of link aggregation port, described method comprises:
Fault reporting messages when failed physical port in receiver aggregation group breaks down, carries the port information of described failed physical port in described fault reporting messages;
Send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group, the port information of described failed physical port is carried, with the state making the forwarding chip of line card belonging to other physical ports described upgrade the described failed physical port preserved according to described port information in described notification message.
In one preferred embodiment, after fault reporting messages when failed physical port in receiver aggregation group breaks down, before the forwarding chip of line card sends a notification message belonging to other physical ports outside failed physical port described in described link aggregation group, also comprise: receive the message being sent to described failed physical port; An available port is selected, by described message repeating to described available port in the membership table of described link aggregation group.
In conjunction with preferred implementation above, also comprise before described message repeating to described available port: in the heading of described message, add routing label, to make the forwarding chip of line card belonging to described available port no longer by described message repeating extremely described failed physical port.
Particularly, send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group and be specially: the forwarding chip to master control board card sends described notification message, the forwarding chip of line card belonging to other physical ports described notification message being forwarded in described link aggregation group to make the forwarding chip of described master control board card, and make the processor of described master control board card upgrade the information about firms of link aggregation group according to described notification message.
On the other hand, embodiments provide a kind of processing unit of fault of link aggregation port, described device bag receiver, processor, transmitter:
Described receiver, fault reporting messages when breaking down for the failed physical port in receiver aggregation group, carry the port information of described failed physical port in described fault reporting messages, and described fault reporting messages is transferred to described transmitter by described processor;
Described transmitter, for receiving the described fault reporting messages that described receiver sends, send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports described upgrade the described failed physical port preserved according to described port information in described notification message.
Described message also for receiving the message being sent to described failed physical port, and is sent to described processor by described receiver; Described processor is used for selecting an available port in the membership table of described link aggregation group, and by described message transmissions to described transmitter; The described message that described transmitter sends for receiving described processing unit, by described message repeating to described available port.
Preferably, after the message receiving receiver transmission, processor can add routing label in the heading of described message, to make the forwarding chip of line card belonging to described available port no longer by described message repeating extremely described failed physical port.
Described transmitter specifically for: the forwarding chip to master control board card sends described notification message, the forwarding chip of line card belonging to other physical ports described notification message being forwarded in described link aggregation group to make the forwarding chip of described master control board card, and make the processor of described master control board card upgrade the information about firms of link aggregation group according to affiliated notification message.
Embodiments provide a kind of processing method and device of fault of link aggregation port.Wherein, in switch line card belonging to failed physical port forwarding chip receiver aggregation group in the fault reporting messages of failed physical port when breaking down, carry the port information of described failed physical port in this fault reporting messages; Send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports upgrade the described failed physical port preserved according to this port information in this notification message.When thus achieving that in link aggregation group, physical port breaks down, directly forward failure message by forwarding chip and upgrade the state of the member port of link aggregation group, shorten the processing time of port failure, avoid the packet loss phenomenon after port failure, improve the reliability of equipment.
Accompanying drawing explanation
The application scenarios schematic diagram of the processing method of a kind of fault of link aggregation port that Fig. 1 provides for the embodiment of the present invention;
The process flow figure of a kind of fault of link aggregation port that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram that in the link aggregation group that Fig. 3 provides for the embodiment of the present invention, belonging to non-working port, the forwarding chip of line card is broadcasted failure message;
The processing unit flow chart of a kind of fault of link aggregation port that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In below describing, in order to illustrate instead of in order to limit, propose the detail of such as particular system structure, interface, technology and so on, understand the present invention thoroughly to cut.But, it will be clear to one skilled in the art that and also can realize the present invention in other embodiment not having these details.In other situation, omit the detailed description to well-known device, circuit and method, in order to avoid unnecessary details hinders description of the invention.
The application scenarios schematic diagram of the processing method of a kind of fault of link aggregation port that Fig. 1 provides for the embodiment of the present invention.The processing method of the fault of link aggregation port that the embodiment of the present invention provides is when practical application, and the processing method as a kind of new fault of link aggregation port can be applicable in the group network system of ports having link aggregation, converges the scene of port failure.As shown in Figure 1, in the application scenarios that the embodiment of the present invention provides, device A is communicated with equipment C by equipment B, equipment B is connected by link aggregation group with equipment C, when having the member port in link aggregation group to break down in equipment B and equipment C, the embodiment of the present invention carries out the broadcast of failure message by line card belonging to non-working port, can realize the process of port failure, avoid the packet loss phenomenon after port failure, improve the reliability of equipment B or equipment C.
It should be noted that, in the embodiment of the present invention, equipment B can be the equipment of distributed structure/architecture, also can be a logical device be made up of multiple centralized device.For the situation that equipment B is the logical device that is made up of multiple centralized device, using single centralized device as a line card, technical scheme provided by the invention can be equally applicable to.For convenience of description, be that the equipment of distributed structure/architecture is described for example below with equipment B, equipment B comprises a master control board card, multiple line card.
The embodiment of the present invention, for the defect of the processing method of fault of link aggregation port under prior art, provides a kind of processing method and device of new fault of link aggregation port.The present invention is when practical application, when there being physical port to break down in link aggregation group, in switch line card belonging to failed physical port forwarding chip receiver aggregation group in the fault reporting messages of failed physical port when breaking down, carry the port information of described failed physical port in this fault reporting messages; Send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports upgrade the described failed physical port preserved according to this port information in this notification message.When thus achieving that in link aggregation group, physical port breaks down, directly forward failure message by forwarding chip and upgrade the state of the member port of link aggregation group, shorten the processing time of port failure, avoid the packet loss phenomenon after port failure, improve the reliability of switch device.
The process flow figure of a kind of fault of link aggregation port that Fig. 2 provides for the embodiment of the present invention.The executive agent of this embodiment is the forwarding chip of line card belonging to failed physical port, when which describes in detail that failed physical port breaks down, and the processing procedure of the forwarding chip of line card belonging to failed physical port.The present invention, for the equipment B in Fig. 1, introduces technical scheme of the present invention in detail, and as shown in Figure 2, this embodiment comprises the following steps:
Step 201, the fault reporting messages that the failed physical port in receiver aggregation group sends, carries the port information of described failed physical port in described fault reporting messages.
Each line card in data communications equipment B can have multiple physical port, forwarding chip in line card can the state of monitors physical port, also the state of physical port can periodically be detected, when physical port breaks down, the fault reporting messages that failed physical port sends when breaking down can be received.The information such as slot and port numbers of failed physical port is carried, to make forwarding chip can localizing faults physical port in this fault reporting messages.
Certainly, when the line failure of connectivity port, the forwarding chip of line card also can receive fault reporting messages, carries the port information of port corresponding to circuit in this fault reporting messages, and the subsequent treatment of the present invention to this line fault is identical with the subsequent treatment to port failure.
As shown in Figure 3, the message that in its link aggregation group provided for the embodiment of the present invention, belonging to non-working port, non-working port breaks down by the forwarding chip of line card sends to the forwarding chip of master control board card, and the schematic diagram of the message that non-working port breaks down being broadcasted by the forwarding chip of master control board card, wherein, the port 3 of the port one of line card 1, the port 2 of line card 2, line card 3 belongs to same Trunk, and the present embodiment breaks down for the port one of line card 1 and is described.
Step 202, send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports described upgrade the described failed physical port preserved according to described port information in described notification message.
After the forwarding chip of line card 1 receives fault reporting messages, the state that first can upgrade the port one in the Port State Table that local line card 1 is preserved is down (fault) state, makes the state of this non-working port in Trunk be unavailable.Like this, after receiving at line card 1 message being sent to failed physical port, inquiry Port State Table, knows that port one is non-working port, just can forward the packet the available port to other.When port one breaks down, the message that non-working port also can break down by the forwarding chip of line card 1 is by the forwarding chip of notification message notice master control board card, and non-working port to be broken down the forwarding chip of this event broadcast to other all line cards by notification message by the forwarding chip of master control board card again, as the forwarding chip of line card 2 and the forwarding chip of line card 3.
It should be noted that, all forwarding chips here had both comprised the forwarding chip of its physical port in Trunk group, and also comprise the forwarding chip of its physical port not in Trunk group, namely this notification message is broadcast transmission, instead of multicast sends.After the forwarding chip of master control board card receives this notification message, can send a notification message to the forwarding chip of all line cards in equipment B, in this notification message, carry the port information of failed physical port.When other line cards, after the forwarding chip as line card 2 and line card 3 receives notification message, the port status information in the Port State Table preserved separately can be upgraded.
Preferably, break down at port one, and before notification message corresponding for fault being sent to the forwarding chip of other line cards, message may be sent to non-working port by other line cards or master control board card, in this case, it is after the message of non-working port 1 that the forwarding chip of the line card 1 belonging to port one receives destination interface, can reselect an available port, forward the packet to other Trunk ports in Trunk membership table.
After preventing message repeating to other Trunk ports, be re-routed to this non-working port again, the forwarding chip of line card belonging to non-working port is forwarding the packet to before other Trunk ports, need to process message, routing label is added in the heading of message, for identification message route cross this non-working port, avoid other Trunk ports receiving message again by message routing so far non-working port.Thus, by forwarding chip, rerouting forwarding is carried out to the message being sent to non-working port, after Trunk member port fault can be realized, do not lose message; Further, by adding routing label to the message forwarded, can realize avoiding message to re-route to non-working port.
Certainly, the forwarding chip of master control board card upon receiving the notification message, also the message that this port one breaks down can be sent to the central processing unit CPU of master control board card, be upgraded the information about firms of Trunk by this CPU, as this port one deleted from Trunk membership table.
Thus, the fault reporting messages when embodiment of the present invention is broken down by the failed physical port in the forwarding chip receiver aggregation group of line card belonging to failed physical port in switch, carries the port information of described failed physical port in this fault reporting messages; Send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports upgrade the described failed physical port preserved according to this port information in this notification message.When thus achieving that in link aggregation group, physical port breaks down, directly forward failure message by forwarding chip and upgrade the state of the member port of link aggregation group, shortening the processing time of port failure.
Correspondingly, the embodiment of the present invention additionally provides a kind of processing unit of fault of link aggregation port.The processing unit flow chart of a kind of fault of link aggregation port that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, this device comprises transmitter, processor and transmitter, wherein:
Receiver 401, fault reporting messages when breaking down for the failed physical port in receiver aggregation group, carry the port information of described failed physical port in described fault reporting messages, and described fault reporting messages is transferred to described transmitter by described processor.
Each line card in data communications equipment can have multiple physical port, forwarding chip in line card can the state of monitors physical port, also the state of physical port can periodically be detected, when physical port breaks down, the fault reporting messages that failed physical port breaks down can be received.The information such as slot and port numbers of failed physical port is carried, to make forwarding chip can localizing faults physical port in this fault reporting messages.
Certainly, when the line failure of connectivity port, the forwarding chip of line card also can receive fault reporting messages, and the subsequent treatment to this line fault is identical with the subsequent treatment to port failure.
Transmitter 402, for receiving the described fault reporting messages that described receiver sends, send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports described upgrade the described failed physical port preserved according to described port information in described notification message.
Transmitter 402 specifically for: the forwarding chip to master control board card sends described notification message, the forwarding chip of line card belonging to other physical ports described notification message being forwarded in described link aggregation group to make the forwarding chip of described master control board card, and make the processor of described master control board card upgrade the information about firms of link aggregation group according to affiliated notification message.
Particularly, after belonging to non-working port, the forwarding chip of line card receives fault reporting messages, the state that first can upgrade the non-working port in the Port State Table that line card belonging to non-working port is preserved is down (fault) state, makes the state of this non-working port in Trunk be unavailable.Like this, after belonging to non-working port, the forwarding chip of line card receives the message being sent to failed physical port, inquiry Port State Table, knows that the destination interface of message is non-working port, just can forward the packet the Trunk available port to other.When port one breaks down, the message that non-working port also can break down by the forwarding chip of line card 1 is by the forwarding chip of notification message notice master control board card, and non-working port to be broken down the forwarding chip of this event broadcast to other all line cards by notification message by the forwarding chip of master control board card again, as the forwarding chip of line card 2 and the forwarding chip of line card 3.
It should be noted that, all forwarding chips here had both comprised the forwarding chip of its physical port in Trunk group, and also comprise the forwarding chip of its physical port not in Trunk group, namely this notification message is broadcast transmission, instead of multicast sends.After the forwarding chip of master control board card receives this notification message, can send a notification message to the forwarding chip of all line cards in equipment B, in this notification message, carry the port information of failed physical port.When other line cards, after forwarding chip as line card 2 and line card 3 receives notification message, can upgrade port status information in the Port State Table preserved separately preferably, processor 403 is also for upgrading the port status of failed physical port described in local described link aggregation group of preserving.
Preferably, when receiver 401 receives the message being sent to described failed physical port, described message can be sent to processor 403; Processor 403 for selecting an available port in the membership table of described link aggregation group, and by described message transmissions to transmitter 402; After transmitter receives this message, by described message repeating to described available port.Processor 403 is after the message receiving non-working port forwarding, in order to avoid the forwarding chip of line card forwards the packet to this non-working port again belonging to selected available port, forwarding chip can add routing label in the heading of described message, to make the forwarding chip of line card belonging to described available port no longer by described message repeating extremely described failed physical port.
Particularly, be sent to the forwarding chip of other line cards at the notification message that the forwarding chip of line card belonging to non-working port is corresponding by fault before, message may be sent to non-working port by other line cards or master control board card, in this case, it is after the message of non-working port that the forwarding chip of line card belonging to non-working port receives destination interface, an available port can be reselected in Trunk membership table, forward the packet to other Trunk ports.
After preventing message repeating to other Trunk ports, be re-routed to this non-working port again, the forwarding chip of line card belonging to non-working port is forwarding the packet to before other Trunk ports, need to process message, routing label is added in the heading of message, for identification message route cross this non-working port, avoid other Trunk ports receiving message again by message routing so far non-working port.Thus, by forwarding chip, rerouting forwarding is carried out to the message being sent to non-working port, after Trunk member port fault can be realized, do not lose message; Further, by adding routing label to the message forwarded, can realize avoiding message to re-route to non-working port.
Certainly, the forwarding chip of master control board card upon receiving the notification message, also the message that this port one breaks down can be sent to the central processing unit CPU of master control board card, be upgraded the information about firms of Trunk by this CPU, as this port one deleted from Trunk membership table.
Thus, the fault reporting messages when embodiment of the present invention is broken down by the failed physical port in the forwarding chip receiver aggregation group of line card belonging to failed physical port in switch, carries the port information of described failed physical port in this fault reporting messages; Send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports upgrade the described failed physical port preserved according to this port information in this notification message.When thus achieving that in link aggregation group, physical port breaks down, directly forward failure message by forwarding chip and upgrade the state of the member port of link aggregation group, shortening the processing time of port failure.
Professional should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a processing method for fault of link aggregation port, is characterized in that, described method comprises:
When physical port breaks down, the fault reporting messages that described failed physical port in the forwarding chip receiver aggregation group of line card belonging to described failed physical port sends, carries the port information of described failed physical port in described fault reporting messages;
Receive the message being sent to described failed physical port;
An available port is selected, by described message repeating to described available port in the membership table of described link aggregation group;
Send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group, the port information of described failed physical port is carried, with the state making the forwarding chip of line card belonging to other physical ports described upgrade the described failed physical port preserved according to described port information in described notification message.
2. the processing method of fault of link aggregation port according to claim 1, it is characterized in that, after fault reporting messages when failed physical port in described receiver aggregation group breaks down, described method also comprises: the port status upgrading the local described failed physical port preserved.
3. the processing method of fault of link aggregation port according to claim 1, is characterized in that, described by described message repeating to also comprising before described available port:
Routing label is added, to make the forwarding chip of line card belonging to described available port no longer by described message repeating extremely described failed physical port in the heading of described message.
4. the processing method of the fault of link aggregation port according to any one of claim 1-3, it is characterized in that, belonging to described other physical ports outside failed physical port described in described link aggregation group, the forwarding chip of line card sends a notification message and is specially: the forwarding chip to master control board card sends described notification message, the forwarding chip of line card belonging to other physical ports described notification message being forwarded in described link aggregation group to make the forwarding chip of described master control board card, and make the processor of described master control board card upgrade the information about firms of link aggregation group according to described notification message.
5. a processing unit for fault of link aggregation port, is characterized in that, described device comprises receiver, transmitter, processor:
Described receiver, for when physical port breaks down, the fault reporting messages that described failed physical port in receiver aggregation group sends, carry the port information of described failed physical port in described fault reporting messages, and described fault reporting messages is transferred to described transmitter by described processor;
Described processor is used for selecting an available port in the membership table of described link aggregation group, and by message transmissions to described transmitter;
The described message that described transmitter sends for receiving processing unit, by described message repeating to described available port;
Described transmitter, for receiving the described fault reporting messages that described receiver sends, send a notification message to the forwarding chip of line card belonging to other physical ports outside failed physical port described in described link aggregation group, the port information of described failed physical port is carried, with the port status making the forwarding chip of line card belonging to other physical ports described upgrade the described failed physical port preserved according to described port information in described notification message.
6. the processing unit of fault of link aggregation port according to claim 5, is characterized in that, described processor is also for upgrading the port status of failed physical port described in local described link aggregation group of preserving.
7. the processing unit of fault of link aggregation port according to claim 5, is characterized in that, described processor also for:
Routing label is added, to make the forwarding chip of line card belonging to described available port no longer by described message repeating extremely described failed physical port in the heading of described message.
8. the processing unit of the fault of link aggregation port according to any one of claim 5-7, it is characterized in that, described transmitter specifically for: the forwarding chip to master control board card sends described notification message, the forwarding chip of line card belonging to other physical ports described notification message being forwarded in described link aggregation group to make the forwarding chip of described master control board card, and make the processor of described master control board card upgrade the information about firms of link aggregation group according to affiliated notification message.
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| CN105429823B (en) * | 2015-12-17 | 2018-06-01 | 迈普通信技术股份有限公司 | Flux of multicast detection method and device in distributed communication equipment |
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