CN102281195B - Switch and switch system - Google Patents
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- CN102281195B CN102281195B CN201110220545.XA CN201110220545A CN102281195B CN 102281195 B CN102281195 B CN 102281195B CN 201110220545 A CN201110220545 A CN 201110220545A CN 102281195 B CN102281195 B CN 102281195B
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Abstract
The invention relates to a switch and a switch system. The switch comprises a multiple spanning tree algorithm and protocol (MSTP) unit, a state query unit, a configuration management unit and a configuration agent unit, wherein the MSTP unit is used for generating and transmitting MSTP running state information according to the received state query information; the state query unit is used for receiving the MSTP running state information and transmitting the MSTP running state information to an external switch; the configuration management unit is used for storing and managing command configuration information; and the configuration agent unit is used for transmitting the command configuration information to the external switch. According to the switch and the switch system of the embodiment, the switch can transmit or receive the command configuration information and the MSTP running state information, so that a random switch can independently operate an MSTP, each switch can process respective received message, rather than all the message is processed by the single switch, the service load of the switch does not need to be increased, the cost of the equipment is reduced, and the processing efficiency is effectively improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of switch and switch system.
Background technology
Multiple Spanning Tree Protocol (Multiple Spanning Tree Algorithm and Protocol, MSTP) is a kind of LMP Link Manager Protocol, for network provides path redundancy and prevents loop.For Ethernet can be worked better, between two work stations, can only there is an active path.
Existing exchange piling technology is the technology for Extended Capabilities Port on Ethernet switch, and stacking pattern is that each manufacturer formulates, and does not support topological structure, and one group of switch is managed as an object.
It is stacking that existing exchange piling is called daisy chain type, is a kind of Stack Technology based on cascade structure, builds the stepped construction of a multi-exchange, by loop, can realize to a certain extent redundancy.Fig. 1 is the schematic diagram of prior art exchange piling, comprises host exchange (Master) 90 and from switch (Slave) 91.A certain in exchanger loop arrives host exchange 90 from switch 91 and can only be undertaken by a high-speed port, need to exchange by all upstream switches.
Fig. 2 is prior art host exchange and the schematic diagram from switch, as shown in Figure 2, host exchange 90 is modeled as the master control borad (Main Board) of frame-type switch, and is modeled as the interface board (Line Board) of frame-type switch from switch 91.Because MSTP itself is a centralized agreement, in the time carrying out Spanning-Tree Protocol calculating, need complete information, on frame-type switch, in master control borad (host exchange) operation, when receiving protocol massages, interface board (from switch) send master control borad processing.So MSTP operation and calculating on host exchange completely, is that host exchange or the message receiving from switch are all delivered to host exchange, only makes MSTP protocol message transmission from switch.
So message processing and agreements all in prior art are calculated and must be carried out at host exchange completely, and after exchange piling, the interface quantity of many switches is very many, message on these interfaces and operation MSTP agreement are all processed on host exchange, make the load of host exchange very large, CPU takies very high, and failure rate is high, bottleneck is serious, and operational efficiency is low.
Summary of the invention
The embodiment of the present invention relates to a kind of switch and switch system, and its switch can move MSTP, processes separately the message receiving, and avoids the large traffic load to single switch, improves treatment effeciency.
On the one hand, the embodiment of the present invention provides a kind of switch, and described switch comprises:
Configuration management element, for sending configuration information and status poll information;
Status poll unit, for issuing the described status poll information receiving;
Multiple Spanning Tree Protocol MSTP unit, for receiving described state configuration information, and returns to MSTP running state information according to described status poll information to described status poll unit; Described status poll unit sends to described configuration management element to be spliced into complete protocol running state information the described MSTP running state information receiving.
On the other hand, the embodiment of the present invention also provides a kind of switch, and described switch comprises:
Configuration Agent unit, for sending the configuration information and the status poll information that receive;
MSTP unit, for receiving described configuration information, and returns to MSTP running state information according to described status poll information to described Configuration Agent unit; Described MSTP running state information is returned to external switch by described Configuration Agent unit, by described external switch, described MSTP running state information is spliced into complete protocol running state information.
The embodiment of the present invention provides a kind of switch system that uses above-mentioned arbitrary switch.
The switch of the embodiment of the present invention and switch system, its switch can send or receive command configuration information and MSTP running state information, make any one switch can independent operating MSTP, thereby each switch can be processed the message receiving separately, but not all processed by single switch, do not need to increase the traffic load of switch, reduce equipment cost, effectively improved treatment effeciency.
Brief description of the drawings
Fig. 1 is the schematic diagram of prior art exchange piling;
Fig. 2 is prior art host exchange and the schematic diagram from switch;
Fig. 3 is the schematic diagram of embodiment of the present invention switch;
Fig. 4 is the schematic diagram of another switch of the embodiment of the present invention;
Fig. 5 A is the physical schematic of embodiment of the present invention switch system;
Fig. 5 B is the logical schematic of embodiment of the present invention switch system;
Fig. 6 is the schematic diagram of embodiment of the present invention switch system;
Fig. 7 is the functional schematic of embodiment of the present invention switch system.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The embodiment of the present invention is to provide a kind of on the basis of complete compatible MSTP, make the switch of piling poststack support distributed MSTP operational mode, make thus message processing and protocol processes be distributed in completely on respective switch, and do not need host exchange to increase traffic load, so can improve MSTP performance and the convergence rate of switch system.
Fig. 3 is the schematic diagram of embodiment of the present invention switch, and as shown in Figure 3, the switch 10 of the embodiment of the present invention comprises: MSTP unit 11, status poll unit 12 and configuration management element 13.The switch 10 of the embodiment of the present invention can be the host exchange in stacked switchboard system, and corresponding external switch 20 be exactly in stacked switchboard system from switch.
Configuration management element 13 is interfaces of switch 10 and user, and configuration management element 13 is store and management command configuration information also.In the time that needs send command configuration information, directly send the command configuration information of this switch to the MSTP unit 11 of this switch 10; Also send the command configuration information of external switch to external switch 20.MSTP unit 11 can be configured processing to self according to command configuration information like this, and same external switch 20 can be configured self according to the command configuration information of this switch.
When user logins after switch 10, need to inquire about the concrete state of MSTP agreement of switch system time, inquire about by configuration management element 13, configuration management element 13 sends status poll information to status poll unit 12, and status poll unit 12 sends to status poll information MSTP unit 11 and external switch of this switch.
The independently MSTP of the interior operation in MSTP unit 11 of switch 10, and safeguard there is the concrete running state information of MSTP, MSTP unit 11 is according to the MSTP running state information of status poll acquisition of information self, and returns to status poll unit 12.In like manner, external switch 20 also can return to status poll unit 12 by the MSTP running state information of external switch 20, all MSTP running state information are all sent to configuration management element 13 by status poll unit 12, configuration management element 13 will be obtained the MSTP running state information of all switches like this, just can utilize all MSTP running state information to be spliced into complete protocol running state information, then complete protocol running state information be returned to user.Described complete protocol running state information, refers to the running state information of the port of the switch of all operations MSTP in this switch system.
The switch of the embodiment of the present invention can send to command configuration information the MSTP unit of self to be configured, also send to external switch to be configured, make thus external switch can independent operating MSTP, in the time that receiving message, external switch do not need to send to switch to process, but process in this locality, do not need to increase the traffic load of switch.
Fig. 4 is the schematic diagram of another switch of the embodiment of the present invention, and as shown in Figure 4, the switch 30 of the embodiment of the present invention comprises: MSTP unit 31 and Configuration Agent unit 32.The switch 30 of the embodiment of the present invention can be in stacked switchboard system from switch, and corresponding external switch 40 is exactly the host exchange in switch system.
Configuration Agent unit 32 is used for receiving the configuration information that external switch 40 sends, and then configuration information is sent to MSTP unit 31, and MSTP unit 31 can carry out self configuration according to configuration information like this.Independently MSTP of the interior operation in MSTP unit 31, and safeguard the concrete running state information that has MSTP, in the time that user inquires about the concrete state of switch MSTP agreement to external switch 40, external switch 40 can send after status poll information to Configuration Agent unit 32, Configuration Agent unit 32 can send to MSTP unit 31 by status poll information, MSTP unit 31 is according to the MSTP running state information of status poll acquisition of information self like this, and return to external switch 40, by described external switch 40, described MSTP running state information is spliced into complete protocol running state information.Described complete protocol running state information, refers to the running state information of the port of the switch of all operations MSTP in this switch system.
The switch of the embodiment of the present invention can receive command configuration information and MSTP running state information from external switch, make thus external switch can independent operating MSTP, in the time that receiving message, switch do not need to send to external switch to process, but process in this locality, thereby the traffic load that does not need to increase external switch, has improved overall treatment efficiency.
Fig. 5 A and Fig. 5 B are respectively physical schematic and the logical schematic of embodiment of the present invention switch system, as shown in Figure 5 A and 5B, in switch system, can comprise a host exchange 50 and multiple from switch 60, adopt annular link, and logically invent Y-connection.
The schematic diagram of embodiment of the present invention switch system as shown in Figure 6 again, host exchange 50 is by virtual interconnecting interface 58 and to set up virtual link from switch 60 by virtual interconnecting interface 65 direct-connected.
Existing stacked switchboard system is that all switches are invented to a switch device, but because MSTP itself is the agreement of centralized calculation, carries out Distributed Calculation difficulty very large in agreement.And the switch system of the embodiment of the present invention is that the each switch in switch system is taken apart once more, not to invent a switch device, but invent a switch network.
Because the physical connection of real switch system is that annular connects, and the switch system of the embodiment of the present invention has invented the network of star, so be all connected with host exchange 50 by a virtual link from switch 60, according to the virtual link with host exchange 50 from switch 60, take out " virtual interconnecting interface " at host exchange 50 with from switch 60, one is only had a virtual interconnecting interface 65 from switch 60, host exchange 50 has multiple virtual interconnecting interfaces 58, each virtual interconnecting interface 58 and a virtual interconnecting interface 65 from switch are linked, virtual interconnecting interface belongs to switch separately.Virtual interconnecting interface switch this locality possesses the highest interface priority, can be all the time in forwarding Forwarding state.
The system priority of host exchange is configured by user, and automatically distribute lower system priority from switch, the device id of each switch in the time of operation MSTP agreement can use each switch MAC (Media Access Control separately, media access control, MAC) address, also can adopt the MAC Address of host exchange.
Fig. 7 is the functional schematic of embodiment of the present invention switch system, and as shown in Figure 7, the switch system of the embodiment of the present invention comprises host exchange 50 and one or more is from switch 60.Host exchange 50 comprises MSTP unit 51, status poll unit 52 and configuration management element 53, packet sending and receiving unit 55, message interface 56, Eth-Trunk (ether-Trunk) interface 57 and one or more virtual interconnecting interface 58.Comprise MSTP unit 61, packet sending and receiving unit 62, message interface 63, Eth-Trunk 64, virtual interconnecting interface 65 and Configuration Agent unit 66 from switch 60.Due to every switch independent operating MSTP agreement, so the packet sending and receiving unit of every switch is used for receiving and dispatching MSTP protocol massages.
The switch system of the embodiment of the present invention is used as all switches as a switch and is carried out command configuration, and command configuration and device status inquiries realize on host exchange 50, is outwards to show with the form of a switch device thereby make in management.Host exchange 50 moves independently MSTP agreement by the MSTP unit 51 of host exchange 50, and moves independently MSTP agreement from switch 60 by the MSTP unit 61 from switch 60.Need to obtain command configuration information from the MSTP unit 61 of switch 60.
The command configuration information of all switches of configuration management element 53 store and management of host exchange 50, the command configuration information of all switches comprises host exchange and the command configuration information from switch.Configuration management element 53 sends command configuration information to the MSTP unit 51 of host exchange 50, and MSTP unit 51 is configured according to command configuration information.And while obtaining command configuration information from switch 60, utilize virtual interconnecting interface 65, obtain to configuration management element 53 by the virtual interconnecting interface 58 of host exchange 50.The command configuration information from switch 50 is utilized virtual interconnecting interface 58 by configuration management element 53, send to Configuration Agent unit 66 by the virtual interconnected mouth 65 from switch 60, then by Configuration Agent unit 66, the command configuration information from switch is sent to from the MSTP unit 61 of switch 60 and is configured.The command configuration information that configuration management element 53 sends to the MSTP unit 51 of host exchange 50 comprises the command configuration information of host exchange self, or comprises the command configuration information of all switches.
Configuration management element 53 is interfaces of switch system and user, and user just can login host exchange 50 like this.When user logins after host exchange 50, need to inquire about the concrete state of switch MSTP agreement time, to inquire about by configuration management element 53 and status poll unit 52, configuration management element 53 sends status poll information to status poll unit 52.
The independently MSTP of the interior operation in MSTP unit 51 of host exchange 50, and maintenance has the concrete running state information of MSTP, in the time that user requires the concrete state of the MSTP agreement of inquiring about host exchange 50, status poll unit 52 directly sends status poll information to the MSTP unit 51 of host exchange 50, MSTP unit 51 is according to the MSTP running state information of status poll acquisition of information self, and returns to status poll unit 52.
From the independently MSTP of the interior same operation in MSTP unit 61 of switch 60, and maintenance has the concrete running state information of the MSTP of self, when inquiry is during from the concrete state of the MSTP agreement of switch 60, status poll unit 52 utilizes virtual interconnecting interface 58, send status poll information by the virtual interconnecting interface 65 from switch 60 to the MSTP unit 61 from switch 60, MSTP unit 51 is according to the MSTP running state information of status poll acquisition of information self, utilize virtual interconnecting interface 65, virtual interconnecting interface 58 by host exchange 50 sends to status poll unit 52.
All MSTP running state information are all sent to configuration management element 53 by status poll unit 52, configuration management element 53 will be obtained host exchange and all MSTP running state information from switch like this, utilize all MSTP running state information to be spliced into complete protocol running state information, then complete protocol running state information is returned to user by status poll unit 52.
The effect of virtual interconnecting interface is for host exchange with from the virtual link of switch, so from large angle, host exchange and all carry out sending and receiving by virtual interface from the control information between switch and message information, can certainly be set to receive only and send message information by virtual interconnected mouth, and control information is by host exchange with from the physical link sending and receiving between switch.
Together with the concrete state information of command configuration information and MSTP agreement, be shown to user from switch 60, make thus switch system externally show as a switch.
Message interface 56 on host exchange 50 and Eth-Trunk 57, and message interface 63 and Eth-Trunk 64 are unified configuration by host exchange 50 from switch 60, owing to distinguishing independent operating MSTP agreements at host exchange 50 with from switch 60, so the message interface 56 on host exchange 50 is managed by host exchange 50, the message interface 63 from switch 60 is by managing from switch 60.
So host exchange 50 receives message by message interface 56, send to MSTP unit 51 to process, by message interface 56, message after treatment is sent equally.Equally, receive message from switch 60 by message interface 63, send to MSTP unit 61 to process, by message interface 63, message after treatment is sent equally.
But the Eth-Trunk 57 on host exchange 50 is managed by host exchange 50, Eth-Trunk 64 from switch 60 is also managed by host exchange 50 but not is managed from switch 60, because Eth-Trunk can be the virtual interface being fictionalized by multiple physical interfaces, these physical interfaces receive message simultaneously, physical interface under the Eth-Trunk fictionalizing like this may be on host exchange, may be also from switch, owing to can not receiving and process all message informations from switch, only may receive and process these message informations by host exchange, so the Eth-Trunk on all switches is all managed by host exchange 50, so as long as the message being received by Eth-Trunk, capital sends to the packet sending and receiving unit 55 of host exchange and processes.
Stacked switchboard system of the prior art is on host exchange, to move MSTP agreement, manage and comprised host exchange and the total interface from switch, interface on member switch is received after MSTP protocol massages, must directly pass through host exchange, processes by host exchange is unified.And each switch in the switch system of the embodiment of the present invention (comprise host exchange and from switch) independent operating MSTP agreement, interface separately in each switch management, instead of all there is a host exchange processing, thus can do not transform MSTP agreement ensure complete compatible situation be issued to the distributed effect of switch MSTP in switch system, thereby can obviously improve power system capacity and performance, greatly reduce the requirement to host exchange performance, obviously reduce equipment cost and networking cost, effectively improved the treatment effeciency of system.
In the above embodiment of the present invention, switch system can be stacked switchboard system, and this switch system can comprise host exchange, standby switch and from switch Three role, wherein, host exchange and standby switch all can only have one, can have one or more from switch.
Professional should further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can realize described function with distinct methods 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 for describing in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form 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; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a switch, is characterized in that, described switch comprises:
Configuration management element, for sending configuration information and status poll information;
Status poll unit, for issuing the described status poll information receiving;
Multiple Spanning Tree Protocol MSTP unit, for receiving described configuration information, and returns to MSTP running state information according to described status poll information to described status poll unit; Described status poll unit sends to described configuration management element to be spliced into complete protocol running state information the described MSTP running state information receiving;
Described switch also comprises: virtual interconnecting interface, and described configuration management element sends to external switch by described virtual interconnecting interface by described configuration information, so that described external switch is configured self according to described configuration information; Described status poll unit sends to described external switch by described virtual interconnecting interface by described status poll information, and receives by described virtual interconnecting interface the MSTP running state information that described external switch returns.
2. switch according to claim 1, is characterized in that, described switch also comprises: packet sending and receiving unit, for the message receiving being sent to described MSTP unit, and sends message.
3. switch according to claim 2, is characterized in that, described switch also comprises: message interface, described packet sending and receiving unit receives and send message by described message interface.
4. according to the switch described in claim 2 or 3, it is characterized in that, described switch also comprises: Eth-Trunk, for jointly receiving message with the Eth-Trunk of external switch, and sends to described packet sending and receiving unit.
5. a switch, is characterized in that, described switch comprises:
Configuration Agent unit, for sending the configuration information and the status poll information that receive;
Multiple Spanning Tree Protocol MSTP unit, for receiving described configuration information, and returns to MSTP running state information according to described status poll information to described Configuration Agent unit; Described MSTP running state information is returned to external switch by described Configuration Agent unit, by described external switch, described MSTP running state information is spliced into complete protocol running state information;
Described switch also comprises: virtual interconnecting interface, described Configuration Agent unit receives described configuration information and status poll information by described virtual interconnecting interface, and send described MSTP running state information, wherein, described configuration information is configured self according to described configuration information for described switch.
6. switch according to claim 5, is characterized in that, described switch also comprises: packet sending and receiving unit, for the message receiving being sent to described MSTP unit process, and sends the message that described MSTP unit generates.
7. switch according to claim 6, is characterized in that, described switch also comprises: message interface, described packet sending and receiving unit receives and send message by described message interface.
8. according to arbitrary described switch in claim 5-7, it is characterized in that, described switch also comprises: Eth-Trunk, for jointly receiving message with the Eth-Trunk of described external switch, and sends to described external switch.
9. a switch system, is characterized in that, comprises switch claimed in claim 1 and one or more switch claimed in claim 5.
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| CN201110220545.XA CN102281195B (en) | 2011-08-03 | 2011-08-03 | Switch and switch system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102497324B (en) * | 2011-12-22 | 2015-09-23 | 杭州华三通信技术有限公司 | Data transmission method between a kind of different Multiple Spanning Tree (MST) region and equipment |
| CN104796269A (en) * | 2014-01-16 | 2015-07-22 | 中兴通讯股份有限公司 | Control information setting method, communication establishing method, management controller, and controller |
| CN105007188A (en) * | 2015-07-28 | 2015-10-28 | 上海斐讯数据通信技术有限公司 | Method for configuring switches and applicable virtual switching network |
| CN111600779B (en) * | 2020-06-24 | 2022-03-04 | 厦门长江电子科技有限公司 | Test platform compatible with various switches |
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Effective date of registration: 20201118 Address after: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201118 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: Office building of Huawei headquarters, Bantian, Longgang District, Shenzhen City, Guangdong Province Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: No.13 caodang Road, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |