CN101827030B - Method and device for processing MPLS message - Google Patents
Method and device for processing MPLS message Download PDFInfo
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- CN101827030B CN101827030B CN2010101521703A CN201010152170A CN101827030B CN 101827030 B CN101827030 B CN 101827030B CN 2010101521703 A CN2010101521703 A CN 2010101521703A CN 201010152170 A CN201010152170 A CN 201010152170A CN 101827030 B CN101827030 B CN 101827030B
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Abstract
The invention discloses a method and a device for processing a multiprotocol label switching (MPLS) message, which are applied to an MPLS message processing system comprising an interface board and a main control board, wherein at last one of the single boards serving as the interface board and the main control board supports the MPLS. The method comprises the following steps of: configuring a proxy mode for processing the MPLS message for the single board which does not support the MPLS; and when the single board not supporting the MPLS receives the MPLS message, forwarding the MPLS message to a corresponding single board supporting the MPLS for processing according to the proxy mode configured to the single board. By using the device and the method, the single board not supporting the MPLS can realize the forwarding of the message based on the MPLS so as to improve the utilization ratio of the single board resource.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of MPLS message processing method and device thereof.
Background technology
MPLS (Multiprotocol Label Switching, multiprotocol label switching) is a kind of emerging IP backbone technology.MPLS introduces connection-oriented label switching concept in connectionless IP network, and the 3rd layer of route technology and second layer switching technology are combined, and has given full play to the simple and direct property of flexibility and two layers of exchange of IP route.
The MPLS system has multiple label distribution protocol, LDP (Label Distribution Protocol, tag distribution protocol) be use in these agreements wider a kind of.The LDP protocol definition process of negotiating tags implication between the LSR (LabelSwitched Router, LSR), label is for carrying out data retransmission between two LSR.LSR is the main processing unit in the MPLS technology, mainly finishes the work such as the foundation of the foundation of selection, Label Forwarding Information Base of division (being the distribution of label), the route of FEC (forwarding equivalence class) and label switched path and dismounting.The ip router of employing MPLS technology and ATM (Asynchronous Transfer Mode, asynchronous transfer mode), FR (frame relay) switch are referred to as LSR.Use the network of LSR relatively to simplify the network layer complexity, compatible existing main flow network technology has reduced the cost of network upgrade.
Utilize LDP can realize that the routing iinformation with network layer maps directly to the switching and routing of data link layer, and then set up label switched path (LSP).The information such as label, next-hop node, outgoing label that enter corresponding to a specific FEC in will transmitting according to this locality between the LSR link together, thereby form the label switched path of crossing over whole mpls domain.
In the environment of MPLS, at first the LDP agreement must be set up, form effective session.Then just to the FEC distributing labels, set up the path of label exchange, at last the label that distributes is issued in ASIC (Application Specific Integrated Circuits, the application-specific integrated circuit (ASIC)) hardware, and message is carried out hardware transmit.
The inventor finds that there is following defective at least in prior art in realizing process of the present invention:
In existing implementation, only have and support the veneer of MPLS characteristic LDP could be set up session connection, and do not support the veneer of MPLS characteristic, although configuration can issue the LDP agreement, the LDP agreement can't be set up.And in the MPLS environment, support the veneer of MPLS characteristic seldom, and price comparison is expensive.In this case, if the veneer of supporting the MPLS characteristic is only arranged, could set up the LDP session connection, so just wasted the own resource of not supporting MPLS characteristic veneer, such as abundant port resource, abundant QACL (or claiming ACL, i.e. Access Control List (ACL)) resource etc.
Summary of the invention
The invention provides a kind of MPLS message processing method and device thereof, with so that do not support the veneer of MPLS characteristic to realize the message repeating based on MPLS, thereby improve the veneer resource utilization.
MPLS message processing method provided by the invention is applied to comprise the MPLS message handling system of interface board and master control borad, wherein, has at least one to support MPLS in the veneer as interface board and master control borad, and the method comprises:
Configure the proxy mode of MPLS message for the veneer of not supporting MPLS;
After the described veneer of not supporting MPLS receives the MPLS message, according to the proxy mode for this veneer configuration, described MPLS message repeating is processed to the veneer of corresponding support MPLS.
According to said method of the present invention, after the proxy mode for the veneer configuration process MPLS message of not supporting MPLS, also comprise: to the single board interface of supporting MPLS and the veneer that has configured MPLS message proxy mode, enable the MPLS tag distribution protocol ability of interface, and the mpls protocol configuration of carrying out interface.
According to said method of the present invention, described proxy mode comprises: interface board proxy mode and master control borad proxy mode, described interface board proxy mode refers to do not supported by the veneer agency as interface board and support MPLS the veneer processing MPLS message of MPLS, and described master control borad proxy mode refers to do not supported by the veneer agency as master control borad and support MPLS the veneer processing MPLS message of MPLS;
Configure the proxy mode of MPLS message for the veneer of not supporting MPLS, comprising:
During the described single board starting of not supporting MPLS, not having the configuring interface board proxy mode if detect this veneer, when master control borad is supported MPLS, is this veneer configuration master control borad proxy mode then.
According to said method of the present invention, described proxy mode comprises interface board proxy mode and master control borad proxy mode;
The described veneer of not supporting MPLS is processed described MPLS message repeating according to being the proxy mode of its configuration to corresponding agency board, comprising:
The described veneer of not supporting MPLS is according to be the interface board proxy mode of its configuration, with the MPLS message repeating to processing as the veneer of interface board and support MPLS;
Perhaps, the described veneer of not supporting MPLS is according to be the master control borad proxy mode of its configuration, with the MPLS message repeating to processing as the veneer of master control borad and support MPLS.
In the said method, with the MPLS message repeating to as interface board and support the veneer of MPLS to process, comprise: the described veneer of MPLS of not supporting arrives the MPLS message repeating described as interface board and after supporting the veneer of MPLS, the veneer of this support MPLS carries out mpls protocol to the message that receives to be processed, and the message repeating after will processing is to master control borad; Described master control borad sends to protocol process module with the message that receives and processes.
In the said method, the proxy mode of configuration MPLS message comprises: will and support veneer sign and the port numbers of the veneer of MPLS to be stored in the proxy mode configuration information as master control borad or interface board;
The MPLS message repeating to the veneer of supporting MPLS, is specially: according to veneer sign and the port numbers of appointment in the proxy mode configuration information, the MPLS message repeating is arrived corresponding veneer.
The veneer of not supporting MPLS provided by the invention is applied to comprise the MPLS message handling system of interface board and master control borad, wherein, has at least one to support MPLS in the veneer as interface board and master control borad, and this veneer comprises:
Configuration module is used to described veneer to configure the proxy mode of MPLS message;
The message receiver module is used for receiving the MPLS message;
Packet forwarding module is used for the proxy mode according to described configuration module configuration, with the veneer of described MPLS message repeating to corresponding support MPLS.
According to veneer of the present invention, described proxy mode comprises: interface board proxy mode and master control borad proxy mode, described interface board proxy mode refers to do not supported by the veneer agency as interface board and support MPLS the veneer processing MPLS message of MPLS, and described master control borad proxy mode refers to do not supported by the veneer agency as master control borad and support MPLS the veneer processing MPLS message of MPLS;
Described configuration module specifically is used for, and when described single board starting, does not have the configuring interface board proxy mode if detect this veneer, then when master control borad is supported MPLS, is this veneer configuration master control borad proxy mode.
In the above-mentioned veneer, described proxy mode comprises interface board proxy mode and master control borad proxy mode;
Described packet forwarding module specifically is used for, according to the interface board proxy mode of described configuration module configuration, with the MPLS message repeating to processing as the veneer of interface board and support MPLS; Perhaps, according to the master control borad proxy mode of described configuration module configuration, with the MPLS message repeating to processing as the veneer of master control borad and support MPLS.
According to veneer of the present invention, described configuration module specifically is used for, and when configuring the proxy mode of MPLS message, will and support veneer sign and the port numbers of the veneer of MPLS to be stored in the proxy mode configuration information as master control borad or interface board; Described packet forwarding module specifically is used for, and veneer sign and port numbers according to appointment in the proxy mode configuration information of described configuration module configuration arrive corresponding veneer with the MPLS message repeating.
The veneer of support provided by the invention MPLS is applied to comprise the MPLS message handling system of interface board and master control borad wherein, to have one to support MPLS in the veneer as interface board and master control borad at least, and this veneer comprises:
Receiver module is used for the MPLS message that reception does not support that the veneer of MPLS is transmitted according to the proxy mode of the MPLS message of configuration on it;
Processing module is used for utilizing mpls protocol to process the MPLS message that described receiver module receives.
Veneer of the present invention also comprises: sending module, be used at described veneer during as interface board, and the message after described processing module is processed sends to master control borad and processes.
Beneficial effect of the present invention comprises:
By for not support the veneer of MPLS to configure out the proxy mode of MPLS message, so that this veneer of not supporting MPLS is when receiving the MPLS message, can be according to the proxy mode of configuration on it, the MPLS message repeating is processed to the veneer that can correspondingly support MPLS, thereby make the veneer of not supporting the MPLS characteristic realize message repeating based on MPLS, thereby improved the veneer resource utilization.
Description of drawings
The schematic flow sheet of the single-board starting process that Fig. 1 provides for the embodiment of the invention;
The flow chart that the MPLS LDP agreement that Fig. 2 provides for the embodiment of the invention enables;
The veneer that Fig. 3 provides for the embodiment of the invention is transmitted the schematic flow sheet of MPLS message;
The schematic diagram of the MPLS message handling process that Fig. 4 provides for the embodiment of the invention;
The structural representation of the veneer of not supporting MPLS that Fig. 5 provides for the embodiment of the invention;
The structural representation of the veneer of the support MPLS that Fig. 6 provides for the embodiment of the invention.
Embodiment
The problems referred to above for prior art exists the invention provides a kind of message treatment technology scheme based on MPLS.This technical scheme is by being the proxy mode of not supporting the veneer configuration process MPLS message of MPLS, after the veneer of not supporting MPLS receives the MPLS message, enable the MPLS tag distribution protocol ability of each interface to set up the LDP session connection, according to the proxy mode that is the configuration of this veneer the MPLS message repeating is processed to the veneer of the corresponding MPLS of support, thereby guarantee under predictable condition, as long as veneer of supporting the MPLS characteristic of configuration, then whole equipment (such as frame device) just can support the MPLS message to process.
The below is described in detail implementation procedure of the present invention by reference to the accompanying drawings take frame device as example.But it should be appreciated by those skilled in the art that following examples are not limited to frame device, also applicable to the computer equipment that includes veneer or the network equipment of other types.
Can comprise a plurality of veneers in the frame device of the embodiment of the invention, comprise the veneer as master control borad in described a plurality of veneers, also comprise the veneer as interface board, wherein, master control borad is connected backboard with interface board and connects.Have at least a veneer to support MPLS in described a plurality of veneer.
For the veneer of not supporting MPLS, need to configure for it proxy mode of MPLS message.The configuration mode of proxy mode can comprise:
Mode one: for not supporting the veneer configured in advance proxy mode of MPLS.If support that the veneer of MPLS is master control borad, then configurable master control borad proxy mode; If support that the veneer of MPLS is interface board, then configurable interface plate proxy mode; When perhaps the master control borad in frame device and at least one interface board are all supported MPLS, also can select generation reason pattern to be configured.
Mode two: be the veneer Configuration Agent pattern of not supporting MPLS in single-board starting process.In this single-board starting process, for the veneer of not supporting MPLS that does not have the Configuration Agent pattern, if master control borad is supported MPLS, then do not support the veneer configuration master control borad proxy mode of MPLS for this.
Described interface board proxy mode refers to, does not support the veneer of MPLS to process the MPLS message by the veneer agency as interface board and support MPLS; Described master control borad proxy mode refers to, does not support the veneer of MPLS to process the MPLS message by the veneer agency as master control borad and support MPLS.
Fig. 1 shows a kind of flow chart of single-board starting process, and behind single board starting, this flow process can comprise:
Step 101, check whether this plate has the MPLS ability, if having, then execution in step 102; Otherwise, execution in step 103;
Step 102, minute book plate disposal ability, but wherein the minute book version is supported MPLS;
Step 103, judge whether to start the interface board agent functionality, if start, then execution in step 104; Otherwise, execution in step 105;
In this step, can use interface board agency or master control borad agency by the configuration file configuration, and can be further in configuration file the relevant information of record agency board, MOD such as agency board identifies and PORT number, wherein, the MOD sign of agency board can be used the MOD sign that is different from other veneers, such as MOD=255.Like this, this veneer can obtain current proxy mode and definite agency board by reading configuration file in start-up course, in order to send it to corresponding agency board when receiving the MPLS message.
Step 104, the current proxy mode of minute book plate are the interface board proxy mode;
Step 105, judge whether master control borad has the MPLS ability, if having, then execution in step 106; Otherwise, process ends;
Because veneer has veneer name or type information usually, and veneer name or type information can identify this veneer and whether support MPLS.Interface board usually can be mutual with master control borad when starting, and obtains the relevant configuration information (such as master control borad title or model) of master control borad, and therefore, interface board can be judged master control borad and whether have the MPLS ability.
Step 106, the current proxy mode of minute book plate are the master control borad proxy mode, process ends.
In the above-mentioned flow process, in the process of single board starting, can carry the information of version, such as board type, titles etc. can know by version information (such as title) whether this veneer supports the MPLS ability, have the MPLS ability if support just to be initialized as, just can directly process the protocol massages of MPLS, if do not support just to can be its Configuration Agent pattern.
In order to realize the route based on MPLS, also need to enable the MPLS LDP ability of each interface, set up MPLS LDP.Setting up MPLS LDP needs global configuration MPLS, enables the MPLSLDP agreement, is then enabling MPLS and MPLS LDP agreement under interface.
Fig. 2 shows the flow chart that a kind of MPLS LDP agreement enables, and this flow process can comprise:
Step 201, interface enable MPLS LDP;
Step 202, check whether veneer can issue MPLS LDP agreement, if can, then execution in step 203; Otherwise, process ends;
In this step, if this veneer is supported MPLS, perhaps this veneer is not supported MPLS, but this veneer configured the interface board agency or configured the master control borad agency, then can issue MPLS LDP agreement.
Step 203, issue MPLS LDP agreement.
In this step, the process that issues MPLS LDP agreement can be: at VLAN (Virtual LocalArea Network, VLAN) issue (or configuration) MPLS and MPLS LDP in the interface, this VLAN interface will send, receive the protocol massages of MPLS like this.
After the veneer Configuration Agent pattern of not supporting MPLS and the MPLS LDP ability that enables interface, after this veneer receives the MPLS message, can according to the proxy mode of configuration, the MPLS message repeating be processed to the veneer of corresponding support MPLS.
Fig. 3 shows the schematic flow sheet that a kind of veneer is transmitted the MPLS message, and this flow process can comprise:
In this step, if this veneer is supported MPLS, then can process the MPLS message; If this veneer is not supported MPLS, then need to process this MPLS message by agency board.
Judging whether this veneer can process the foundation of MPLS message, can be the disposal ability information of this veneer of recording when this single board starting, perhaps judges according to the version information of veneer whether this veneer can process the MPLS message.
Because the MPLS message has obvious feature, their ethernet type is 8847, thus can be by QACL in this step with all 8847 message redirecting to the veneer with MPLS ability.
In the above-mentioned flow process, if this veneer is not supported the MPLS message, then the proxy mode of this veneer be can know according to the proxy mode configuration file of this veneer, and sign and the port numbers (such as MOD=255, PORT=255) of agency board known.Like this, when transmitting according to proxy mode in the MPLS message process, will by checking MOD+PORT information, message be sent to corresponding agency board process.
After originally MPLS LDP agreement is set up, approximately among the 5s within, do not support the veneer of MPLS after receiving the Keepalive message of LDP agreement, will carry and deliver to agency board on the MPLS label and process.
If the MPLS message is directly processed from delivering to CPU as the agency board of interface board, can be because the MOD of the source port of message, PORT information not on this agency board, cause the MPLS message to process, message is dropped.For addressing this problem, in the embodiment of the invention, as the agency board of interface board with the MPLS message repeating to master control borad, by information (master control borad can be identified above-mentioned information) such as the source MOD in the master control borad analytic message, source PORT, source interface indexs, and then on deliver to CPU and process.
Wherein, a kind of situation is: if master control borad do not support the MPLS message and adopt the interface board proxy mode, then after this master control borad receives the MPLS message, this MPLS message repeating is processed to agency board; Agency board can carry out mpls protocol to this message to be processed, namely use mpls protocol decapsulation MPLS message (such as decapsulation LDP label), then the message content after the decapsulation is sent to this master control borad, this master control borad is further resolved this message according to the information such as source MOD, source PORT that keep on it, then will deliver to CPU on the message content that parse or protocol module is processed;
Another kind of situation is: if interface board do not support the MPLS message and adopt the interface board proxy mode, then after this does not support that the interface board of MPLS message receives the MPLS message, this MPLS message repeating is processed to agency board; Agency board can carry out mpls protocol to this message to be processed, namely use mpls protocol decapsulation MPLS message (such as decapsulation LDP label), then the message content after the decapsulation is sent to this master control borad, this master control borad is further resolved this message according to the information such as source MOD, source PORT that keep on it, then will deliver to CPU on the message content that parse or protocol module is processed.
Fig. 4 shows a kind of schematic diagram of MPLS message handling process, and this flow process can comprise:
In this step, if this agency board is interface board, then can not process the LDP message; If this agency board is master control borad, then can process the LDP message.
Softly turn operation and can realize by ACL, wherein, the coupling destination of LDP message is the CPU mouth, that is, with source MOD be not this plate message all more again the agency deliver to protocol module on the CPU by master control borad and carry out LDP and process to master control borad.
Can find out by above description, by for not support the veneer (such as SA, SC) of MPLS that the agency is set, make and also can set up MPLS LDP session connection on the veneer of not supporting the MPLS characteristic, and can realize the encapsulation of MPLS message, decapsulation by the veneer (such as EA, TR) of supporting MPLS, and handled message is carried out the forwarding of full line speed, thereby realized MPLS agency's complete scheme, and the business quotation of the total solution that provides to the user has been provided, has taken full advantage of and support MPLS characteristic single plate ability.
Based on identical technical conceive, the embodiment of the invention also provides following single plate structure, and this veneer can be applicable to comprise the MPLS message handling system of interface board and master control borad, wherein, has at least one to support MPLS in the veneer as interface board and master control borad.
Fig. 5 shows a kind of veneer that the embodiment of the invention provides, and this veneer is not supported MPLS, and this veneer can comprise: configuration module 501, message receiver module 502, message sending module 503, wherein:
Described proxy mode can comprise: interface board proxy mode and master control borad proxy mode, wherein, the interface board proxy mode refers to do not supported by the veneer agency as interface board and support MPLS the veneer processing MPLS message of MPLS, and the master control borad proxy mode refers to do not supported by the veneer agency as master control borad and support MPLS the veneer processing MPLS message of MPLS.Accordingly, configuration module 501 can not have the configuring interface board proxy mode if detect this veneer when described single board starting, then when master control borad is supported MPLS, is this veneer configuration master control borad proxy mode.
Described proxy mode comprises interface board proxy mode and master control borad proxy mode.Accordingly, packet forwarding module 503 can be according to the interface board proxy mode of configuration module 501 configuration, with the MPLS message repeating to processing as the veneer of interface board and support MPLS; Perhaps, according to the master control borad proxy mode of configuration module 501 configuration, with the MPLS message repeating to processing as the veneer of master control borad and support MPLS.
In the above-mentioned veneer, configuration module 501 can when the proxy mode of configuration MPLS message, will and support veneer sign and the port numbers of the veneer of MPLS to be stored in the proxy mode configuration information as master control borad or interface board; Packet forwarding module 503 can according to veneer sign and the port numbers of appointment in the proxy mode configuration information of configuration module 501 configurations, arrive corresponding veneer with the MPLS message repeating.
Fig. 6 shows the another kind of veneer that the embodiment of the invention provides, and this veneer can be supported MPLS, and this veneer can comprise: receiver module 601, processing module 602, wherein:
This veneer can use as master control borad in system, also can use as interface board in this system.If this veneer uses as interface board in this system, then this veneer also can comprise sending module 603, is used for when this veneer uses as interface board, and the message after processing module 602 is processed sends to master control borad and processes.
In sum; the embodiment of the invention is transformed the treatment mechanism of existing MPLS; so that the veneer of not supporting the MPLS characteristic also enables MPLS LDP agreement, and can set up normal conversation and connect so that the veneer of not supporting the MPLS characteristic also " support " the MPLS characteristic.Concerning the user, provide a kind of simple upgrading scheme like this, as long as the user buys a veneer of supporting the MPLS ability, the disposal ability of the MPLS that equipment originally just has, from but the user has obtained maximum interests.In addition, using MPLS to carry out adopting the embodiment of the invention in the design of networking, can reduce cost.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode in a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (6)
1. MPLS message processing method is applied to comprise the MPLS message handling system of interface board and master control borad wherein, to have one to support MPLS in the veneer as interface board and master control borad at least, it is characterized in that, the method comprises:
Configure the proxy mode of MPLS message for the veneer of not supporting MPLS; Wherein, will and support veneer sign and the port numbers of the veneer of MPLS to be stored in the proxy mode configuration information as master control borad or interface board, described proxy mode comprises interface board proxy mode and master control borad proxy mode;
After the described veneer of not supporting MPLS receives the MPLS message, according to the proxy mode for this veneer configuration, and the veneer sign of appointment in the proxy mode configuration information and port numbers, the MPLS message repeating is processed to the veneer of corresponding support MPLS; Wherein, the described veneer of not supporting MPLS is according to be the interface board proxy mode of its configuration, with the MPLS message repeating to processing as the veneer of interface board and support MPLS; Perhaps, the described veneer of not supporting MPLS is according to be the master control borad proxy mode of its configuration, with the MPLS message repeating to processing as the veneer of master control borad and support MPLS;
Wherein, described with the MPLS message repeating to as interface board and support the veneer of MPLS to process, specifically comprise: the described veneer of MPLS of not supporting arrives the MPLS message repeating described as interface board and after supporting the veneer of MPLS, the veneer of this support MPLS uses mpls protocol that the message that receives is carried out decapsulation and processes, and the message repeating after will processing is to master control borad; The source MOD that keeps on the message of described master control borad after according to described processing, source PORT information are further resolved the message after the described processing, then will deliver to CPU on the message content that parse or protocol module is processed.
2. the method for claim 1 is characterized in that, after the proxy mode for the veneer configuration MPLS message of not supporting MPLS, also comprises:
To the single board interface of supporting MPLS and the veneer that has configured MPLS message proxy mode, enable the MPLS tag distribution protocol ability of interface, and the mpls protocol configuration of carrying out interface.
3. method as claimed in claim 1 or 2, it is characterized in that, described proxy mode comprises: interface board proxy mode and master control borad proxy mode, described interface board proxy mode refers to do not supported by the veneer agency as interface board and support MPLS the veneer processing MPLS message of MPLS, and described master control borad proxy mode refers to do not supported by the veneer agency as master control borad and support MPLS the veneer processing MPLS message of MPLS;
Configure the proxy mode of MPLS message for the veneer of not supporting MPLS, comprising:
During the described single board starting of not supporting MPLS, not having the configuring interface board proxy mode if detect this veneer, when master control borad is supported MPLS, is this veneer configuration master control borad proxy mode then.
4. veneer of not supporting MPLS is applied to comprise the MPLS message handling system of interface board and master control borad wherein, to have one to support MPLS in the veneer as interface board and master control borad at least, it is characterized in that, comprising:
Configuration module is used to described veneer to configure the proxy mode of MPLS message, wherein, during the proxy mode of configuration MPLS message, will and support veneer sign and the port numbers of the veneer of MPLS to be stored in the proxy mode configuration information as master control borad or interface board;
The message receiver module is used for receiving the MPLS message;
Packet forwarding module is used for veneer sign and port numbers according to the proxy mode configuration information appointment of described configuration module configuration, with the veneer of described MPLS message repeating to corresponding support MPLS; Wherein, described packet forwarding module specifically is used for, the MPLS message repeating is arrived described veneer as interface board and support MPLS, veneer by this support MPLS uses mpls protocol that the message that receives is carried out the decapsulation processing, and the message repeating after will processing is to master control borad, so that the source MOD that keeps on the message of described master control borad after according to described processing, source PORT information further resolve the message after the described processing, then will deliver to CPU on the message content that parse or protocol module is processed; Perhaps, according to the master control borad proxy mode of described configuration module configuration, with the MPLS message repeating to processing as the veneer of master control borad and support MPLS.
5. veneer as claimed in claim 4, it is characterized in that, described proxy mode comprises: interface board proxy mode and master control borad proxy mode, described interface board proxy mode refers to do not supported by the veneer agency as interface board and support MPLS the veneer processing MPLS message of MPLS, and described master control borad proxy mode refers to do not supported by the veneer agency as master control borad and support MPLS the veneer processing MPLS message of MPLS;
Described configuration module specifically is used for, and when described single board starting, does not have the configuring interface board proxy mode if detect this veneer, then when master control borad is supported MPLS, is this veneer configuration master control borad proxy mode.
6. veneer of supporting MPLS is applied to comprise the MPLS message handling system of interface board and master control borad wherein, to have one to support MPLS in the veneer as interface board and master control borad at least, it is characterized in that, comprising:
Receiver module is used for the MPLS message that reception does not support that the veneer of MPLS is transmitted according to the proxy mode of the MPLS message of configuration on it;
Processing module is used for utilizing mpls protocol that the message that receives is carried out decapsulation and processes;
Sending module, be used at described veneer during as interface board, message after the described processing module processing is sent to master control borad to be processed, so that the source MOD that keeps on the message of described master control borad after according to described processing, source PORT information further resolve the message after the described processing, then will deliver to CPU on the message content that parse or protocol module is processed.
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| CN101115005A (en) * | 2007-08-13 | 2008-01-30 | 中兴通讯股份有限公司 | Method and apparatus for implementing edge-to-edge pseudo-line simulation |
| CN101529814A (en) * | 2006-06-12 | 2009-09-09 | 北方电讯网络有限公司 | Supporting multi-protocol label switching (MPLS) applications over Ethernet switch paths |
| CN101692646A (en) * | 2009-09-17 | 2010-04-07 | 杭州华三通信技术有限公司 | Method for handling layer-2 forwarding and distributed device |
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| CN101529814A (en) * | 2006-06-12 | 2009-09-09 | 北方电讯网络有限公司 | Supporting multi-protocol label switching (MPLS) applications over Ethernet switch paths |
| CN101115005A (en) * | 2007-08-13 | 2008-01-30 | 中兴通讯股份有限公司 | Method and apparatus for implementing edge-to-edge pseudo-line simulation |
| CN101692646A (en) * | 2009-09-17 | 2010-04-07 | 杭州华三通信技术有限公司 | Method for handling layer-2 forwarding and distributed device |
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