CN102523113A - Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system - Google Patents

Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system Download PDF

Info

Publication number
CN102523113A
CN102523113A CN2011104203054A CN201110420305A CN102523113A CN 102523113 A CN102523113 A CN 102523113A CN 2011104203054 A CN2011104203054 A CN 2011104203054A CN 201110420305 A CN201110420305 A CN 201110420305A CN 102523113 A CN102523113 A CN 102523113A
Authority
CN
China
Prior art keywords
chip
mep
message
oam
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011104203054A
Other languages
Chinese (zh)
Other versions
CN102523113B (en
Inventor
何志川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Centec Communications Co Ltd
Original Assignee
Centec Networks Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centec Networks Suzhou Co Ltd filed Critical Centec Networks Suzhou Co Ltd
Priority to CN201110420305.4A priority Critical patent/CN102523113B/en
Publication of CN102523113A publication Critical patent/CN102523113A/en
Application granted granted Critical
Publication of CN102523113B publication Critical patent/CN102523113B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a chip realization method for maintenance association end point (MEP) configuration on a cross-chip aggregated link in an operations, administration and maintenance mechanism (OAM) in an Ethernet network. The method comprises the following steps that: S1, an MEP is configured on an aggregated link; S2, a message enters a corresponding chip of switching equipment from a network port through the aggregated link; S3, an MEP look-up table is used to look up an ID of a destination chip for MEP information configuration as well as it is determined whether the destination chip is one that the message enters; S4, if so, after the message enters a forwarding processing module FWD of the chip, the message is sent to an OAM message processing engine, that is, an OAM engine, so that processing is carried out; and S5, if not, after the message enters the forwarding processing module FWD of the chip, the message is sent to the destination chip by an exchange mesh; and the forwarding processing module FWD of the destination chip sends the message to the OAM engine to carry out processing. Therefore, according to the invention, there is no influence on the MEP that is configured on the link when an aggregated link member is increased or deleted.

Description

Stride chip implementation method and the system of configuration MEP on the chip aggregated links in the Ethernet OAM
Technical field
The present invention relates to network communications technology field, relate in particular to the chip implementation method and the system of striding configuration MEP on the chip aggregated links in a kind of Ethernet OAM.
Background technology
OAM (Operations, Administration, and Maintenance) is that Operations, Administration and Maintenance mechanism has been used for a long time in the conventional telecommunications net, mainly is the O&M level that improves network through means such as fault detect, alarm, location and isolation.The application that the OAM technology has been achieved success in SDH and ATM facts have proved that it can reduce operation expense effectively, effectively utilizes investment to greatest extent.Along with the opening of telecommunication control policy, the introducing and the aggravation of Telecom Competition, the OAM technology receives the unprecedented attention of industrial quarters (especially operator).Maintenance field is achieved in that maintenance field has the border on the equipment that network is formed; Its border is exactly a port one by one; Therefore; As long as entity of configuration is just passable on boundary port, this entity is called maintaining end point (Maintenance association End Point or MEP).When all boundary ports have all disposed maintaining end point, the border in territory has just confirmed that the scope in territory has also been confirmed.
In the prior art, in the chip of Ethernet OAM, realize that Ethernet OAM all is based on the implementation of single-chip, do not have a chip to be supported in the system applies that the multicore sheet forms and support to stride in the chip link polymerization to dispose MEP.
In view of this, be necessary to provide the chip implementation method of striding on the chip aggregated links configuration MEP in a kind of Ethernet OAM and system to address the above problem.
Summary of the invention
The object of the present invention is to provide the chip implementation method and the system of striding configuration MEP on the chip aggregated links in a kind of Ethernet OAM.
Stride the chip implementation method of configuration MEP on the chip aggregated links in a kind of Ethernet OAM of the present invention, said method comprising the steps of:
S1, on aggregated links, dispose MEP;
S2, message pass through aggregated links from the chip of the correspondence of network port entering switch;
S3, find the purpose chip number of configuration MEP information, judge whether the purpose chip is the chip of message entering through the MEP look-up table;
If S4 sends to OAM message processing engine OAMEngine with message and handles in the forwarding processing module FWD of message entering chip;
S5, if not sends to the purpose chip with message through switching net in message gets into the forwarding processing module FWD of chip, among the forwarding processing module FWD of purpose chip message is sent to OAM message processing engine OAMEngine and handle.
As further improvement of the present invention, the master chip Master Chip that said purpose chip is upper-layer user's appointment, the remaining chip in the switch is from chip Salve Chip.
As further improvement of the present invention, said master chip Master Chip configuration MEP information table comprises and safeguards that MEP receives and sends messages and the information of state machine; Said from chip Salve Chip configuration MEP look-up table, comprise whether disposing MEP and the final process chip of MEP number on the port.
As further improvement of the present invention, said MEP look-up table comprises purpose chip destChipId and MEP index MEP index information.
As further improvement of the present invention, said step S2 also comprises:
Calculate cryptographic hash according to the MAC DA in the message, MAC SA, VLAN ID, and confirm to receive the network port of message according to the number of members of current aggregated links.
As further improvement of the present invention, " message sends to OAM message processing engine OAMEngine and handles " is specially among said step S4 or the S5:
In OAM message processing engine OAMEngine, obtain MEP information, carry out the renewal of MEP information and state machine according to MEP index.
As further improvement of the present invention, said message is CCM, LBM, LTM or other OAM messages.
Correspondingly, stride the chip of configuration MEP on the chip aggregated links in a kind of Ethernet OAM and realize system, said system comprises:
Switch comprises plurality of chips in the said switch, is provided with the unit that is used for MEP and searches, the forwarding processing module FWD that links to each other with same switching net and OAM message processing engine OAMEngine in the chip;
Aggregated links is made up of the network port of each chip, disposes MEP on the said aggregated links.
As further improvement of the present invention, said switch comprises by the master chip Master Chip of upper-layer user's appointment with from chip Salve Chip.
As further improvement of the present invention, said master chip Master Chip configuration MEP information table comprises and safeguards that MEP receives and sends messages and the information of state machine; Said from chip Salve Chip configuration MEP look-up table, comprise whether disposing MEP and the final process chip of MEP number on the port.
The invention has the beneficial effects as follows: the chip implementation method and the system of striding configuration MEP on the chip aggregated links in the Ethernet OAM of the present invention pass through to separate MEP look-up table and MEP information table; At configuration MEP look-up table from chip; Configuration MEP information table on master chip; In the MEP look-up table, increase the purpose chip id simultaneously, can make to increase or delete the aggregated links member that the MEP that disposes on the link is had no influence.
Description of drawings
Fig. 1 is for striding the chip implementation method flow chart of configuration MEP on the chip aggregated links in the Ethernet OAM in an embodiment of the present invention.
Fig. 2 is the sketch map of MEP look-up table and MEP information table in an embodiment of the present invention.
Fig. 3 is for striding the sketch map of configuration MEP on the chip aggregated links in an embodiment of the present invention.
Configuration MEP receives the sketch map that message is handled to Fig. 4 on the chip aggregated links in order to stride in an embodiment of the present invention.
Embodiment
Below will combine each execution mode shown in the drawings to describe the present invention.But these execution modes do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in protection scope of the present invention.
Joining shown in Figure 1 is the chip implementation method flow chart of striding configuration MEP on the chip aggregated links in an embodiment of the present invention in the Ethernet OAM, and it may further comprise the steps:
S1, on aggregated links, dispose MEP.Comprise plurality of chips in the switch, the network port of each chip is formed in the polymeric chain multi-layer switches;
S2, message pass through aggregated links from the chip of the correspondence of network port entering switch.The message of transmission is other OAM messages such as CCM, LBM, LTM.Calculate cryptographic hash according to the MAC DA in the message, MAC SA, VLAN ID, and confirm to receive the network port of message according to the number of members of current aggregated links;
S3, find the purpose chip number of configuration MEP information, judge whether the purpose chip is the chip of message entering through the MEP look-up table.The purpose chip is the master chip Master Chip of upper-layer user's appointment, and the remaining chip in the switch is from chip Salve Chip.Wherein, join shown in Figure 2ly, master chip Master Chip configuration MEP information table comprises and safeguards that MEP receives and sends messages and the information of state machine, from chip Salve Chip configuration MEP look-up table, comprises whether disposing MEP and the final process chip of MEP number on the port.The MEP look-up table comprises purpose chip destChipId and MEP index MEP index information, finds the purpose chip number of configuration MEP information through the MEP look-up table, and judges whether the purpose chip is the chip of message entering;
If S4 sends to OAM message processing engine OAMEngine with message and handles in the forwarding processing module FWD of message entering chip.Processing procedure is specially: in OAM message processing engine OAMEngine, obtain MEP information according to MEP index, carry out the renewal of MEP information and state machine;
S5, if not sends to the purpose chip with message through switching net in message gets into the forwarding processing module FWD of chip, among the forwarding processing module FWD of purpose chip message is sent to OAM message processing engine OAMEngine and handle.Processing procedure is specially: in OAM message processing engine OAMEngine, obtain MEP information according to MEP index, carry out the renewal of MEP information and state machine.
Accordingly, stride the chip of configuration MEP on the chip aggregated links in a kind of Ethernet OAM and realize system, it comprises:
Switch comprises plurality of chips in the said switch, is provided with the unit that is used for MEP and searches, the forwarding processing module FWD that links to each other with same switching net and OAM message processing engine OAMEngine in the chip.Switch comprises by the master chip Master Chip of upper-layer user's appointment with from chip Salve Chip.Master chip Master Chip configuration MEP information table comprises and safeguards that MEP receives and sends messages and the information of state machine, from chip Salve Chip configuration MEP look-up table, comprises whether disposing MEP and the final process chip of MEP number on the port.The MEP look-up table comprises purpose chip destChipId and MEP index MEP index information;
Aggregated links is made up of the network port of each chip, disposes MEP on the said aggregated links.
In conjunction with shown in Figure 3, the present invention one preferred embodiment is described further.In this preferred implementation; Switch 1 is made up of chip 1# and chip 2#; Chip 1# comprises port Port 1-1 and Port 1-2, and chip 2# comprises port Port 2-1 and Port 2-2, and its middle port Port 1-1 and port Port 2-1 are respectively the network port of chip 1# and chip 2#; Port Port 1-1 and port Port 2-1 form an aggregated links Linkagg1; MEP of configuration on aggregated links Linkag1 supposes that the chip 2# at upper-layer user's designated switch middle port Port 2-1 place is master chip, and the chip 1# at port Port 1-1 place is Salve chip.
In Ethernet OAM; The message that MEP need handle has other OAM messages such as CCM, LBM, LTM; When switch 3 when switch 1 sends the OAM message, switch 2 receives behind the message when aggregated links Linkagg1 goes out, and can calculate cryptographic hash according to the MAC DA in the message, MAC SA, VLAN ID etc.; And confirm the port that finally forwards according to the member's of current aggregated links Linkagg1 number, the OAM message may be from chip 1# and chip 2# entering.For with a kind of message, member's number is different in the aggregated links, and switch 1 receives the inbound port of OAM message maybe also can be different.In the method that the present invention realizes, MEP externally sends OAM message purpose outbound port and fills in aggregated links Linkagg1, and message is delivered to the same cryptographic hash of calculating with the normal data message of handling process behind the forwarding processing module FWD, calculates final outbound port.
Join shown in Figure 4ly, the processing that the OAM message gets into from chip 1# port is as shown in 1.; The processing that the OAM message gets into from chip 1# port specifically illustrates as follows as shown in 2.:
1, suppose being configured to of switch chips 1# and chip 2#:
The configuration destChipId=2 of MEP look-up table in chip 1#; MEP index=1;
The configuration destChipId=2 of MEP look-up table in chip 2#; MEP index=1.
2, suppose that the member is Port 1-1 and Port 2-1 among the current aggregated links Linkagg1; The OAM message gets into from Port 1-1; The forwarding behavior of OAM message in switch 1 be among Fig. 4 1. shown in; In chip 1#; MEP finds and obtains MEP and be configured on the purpose chip 2#, transmits among the processing module FWD at chip 1# and can send to purpose chip 2# to the OAM message through switching net according to destChipId, and chip 2# receives the message from switching net; In transmitting processing module FWD, directly send OAM message processing engine OAMEngine to the OAM message and handle, in OAMEngine, obtain the renewal that MEP information is carried out MEP information and state machine according to MEP index.
3, suppose that the member is Port 1-1 and Port 2-1 among the current aggregated links Linkagg1; The OAM message gets into from Port 2-1; The forwarding behavior of OAM message in switch 1 be among Fig. 4 2. shown in; In chip 2#; MEP finds and obtains MEP and be configured on the purpose chip 2#, transmits at chip 2# and directly sends OAM message processing engine OAMEngine to the OAM message among the processing module FWD and handle, and in OAMEngine, obtains the renewal that MEP information is carried out MEP information and state machine according to MEP index.
In other embodiments, if with member port Port 2-1 deletion among the aggregated links Linkagg1, this moment, the OAM message got into from Port 1-1 all the time, and then handling process is with shown in 1..
The MEP of indication is not limited to Down MEP in the present invention, also comprises UP MEP, and its implementation is all identical with aforesaid way.
The chip of indication is not limited to asic chip in the present invention, also comprises FPGA, NP etc.
Compared with prior art; The chip implementation method and the system of striding configuration MEP on the chip aggregated links in the Ethernet OAM of the present invention pass through to separate MEP look-up table and MEP information table; At configuration MEP look-up table from chip; Configuration MEP information table on master chip increases the purpose chip id simultaneously in the MEP look-up table, can make to increase or delete the aggregated links member MEP that disposes on the link is had no influence.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when implementing the application, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
Description through above execution mode can know, those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform.Based on such understanding; The part that the application's technical scheme contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each execution mode of the application or execution mode.
Device embodiments described above only is schematic; Wherein said unit as the separating component explanation can or can not be physically to separate also; The parts that show as the unit can be or can not be physical locations also; Promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of this execution mode scheme according to the needs selection some or all of module wherein of reality.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
The application can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise DCE of above any system or equipment or the like.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in DCE, put into practice the application, in these DCEs, by through communication network connected teleprocessing equipment execute the task.In DCE, program module can be arranged in this locality and the remote computer storage medium that comprises memory device.
Be to be understood that; Though this specification is described according to execution mode; But be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, and those skilled in the art should make specification as a whole; Technical scheme in each execution mode also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.
The listed a series of detailed description of preceding text only is specifying to feasibility execution mode of the present invention; They are not in order to restriction protection scope of the present invention, allly do not break away from equivalent execution mode or the change that skill of the present invention spirit done and all should be included within protection scope of the present invention.

Claims (10)

1. stride the chip implementation method that disposes MEP on the chip aggregated links in an Ethernet OAM, it is characterized in that, said method comprising the steps of:
S1, on aggregated links, dispose MEP;
S2, message pass through aggregated links from the chip of the correspondence of network port entering switch;
S3, find the purpose chip number of configuration MEP information, judge whether the purpose chip is the chip of message entering through the MEP look-up table;
If S4 sends to OAM message processing engine OAMEngine with message and handles in the forwarding processing module FWD of message entering chip;
S5, if not sends to the purpose chip with message through switching net in message gets into the forwarding processing module FWD of chip, among the forwarding processing module FWD of purpose chip message is sent to OAM message processing engine OAMEngine and handle.
2. method according to claim 1 is characterized in that, the master chip Master Chip that said purpose chip is upper-layer user's appointment, and the remaining chip in the switch is from chip Salve Chip.
3. method according to claim 2 is characterized in that, said master chip Master Chip configuration MEP information table comprises and safeguards that MEP receives and sends messages and the information of state machine; Said from chip Salve Chip configuration MEP look-up table, comprise whether disposing MEP and the final process chip of MEP number on the port.
4. method according to claim 3 is characterized in that, said MEP look-up table comprises purpose chip destChipId and MEP index MEP index information.
5. method according to claim 1 is characterized in that, said step S2 also comprises:
Calculate cryptographic hash according to the MAC DA in the message, MAC SA, VLAN ID, and confirm to receive the network port of message according to the number of members of current aggregated links.
6. method according to claim 5 is characterized in that, " message sends to OAM message processing engine OAMEngine and handles " is specially among said step S4 or the S5:
In OAM message processing engine OAMEngine, obtain MEP information, carry out the renewal of MEP information and state machine according to MEP index.
7. method according to claim 1 is characterized in that, said message is CCM, LBM, LTM or other OAM messages.
8. stride the chip realization system that disposes MEP on the chip aggregated links in an Ethernet OAM according to claim 1, it is characterized in that said system comprises:
Switch comprises plurality of chips in the said switch, is provided with the unit that is used for MEP and searches, the forwarding processing module FWD that links to each other with same switching net and OAM message processing engine OAMEngine in the chip;
Aggregated links is made up of the network port of each chip, disposes MEP on the said aggregated links.
9. system according to claim 8 is characterized in that, said switch comprises by the master chip Master Chip of upper-layer user's appointment with from chip Salve Chip.
10. system according to claim 9 is characterized in that, said master chip Master Chip configuration MEP information table comprises and safeguards that MEP receives and sends messages and the information of state machine; Said from chip Salve Chip configuration MEP look-up table, comprise whether disposing MEP and the final process chip of MEP number on the port.
CN201110420305.4A 2011-12-15 2011-12-15 Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system Active CN102523113B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110420305.4A CN102523113B (en) 2011-12-15 2011-12-15 Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110420305.4A CN102523113B (en) 2011-12-15 2011-12-15 Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system

Publications (2)

Publication Number Publication Date
CN102523113A true CN102523113A (en) 2012-06-27
CN102523113B CN102523113B (en) 2014-12-17

Family

ID=46293912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110420305.4A Active CN102523113B (en) 2011-12-15 2011-12-15 Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system

Country Status (1)

Country Link
CN (1) CN102523113B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102970171A (en) * 2012-12-06 2013-03-13 盛科网络(苏州)有限公司 Method for realizing multiple operations, administration and maintenance (OAM) time precision through chip level
CN105227490A (en) * 2014-05-27 2016-01-06 杭州迪普科技有限公司 A kind of method of many device link polymerizations and device
CN108199913A (en) * 2017-12-18 2018-06-22 瑞斯康达科技发展股份有限公司 A kind of method and apparatus for realizing delay testing
CN108509223A (en) * 2018-03-15 2018-09-07 联想(北京)有限公司 A kind of data processing method, device, system and storage medium
CN108933744A (en) * 2018-06-26 2018-12-04 新华三技术有限公司 A kind of message forwarding method and device
CN111131024A (en) * 2019-12-09 2020-05-08 盛科网络(苏州)有限公司 Processing method and device of aggregated link
CN115065626A (en) * 2022-05-07 2022-09-16 苏州盛科通信股份有限公司 Source port checking method and device in Micro-BFD, electronic equipment and storage medium
CN115914173A (en) * 2022-11-30 2023-04-04 苏州盛科通信股份有限公司 Chip implementation method and application of OAM (operation administration and maintenance) under multi-core architecture

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080016402A1 (en) * 2006-07-11 2008-01-17 Corrigent Systems Ltd. Connectivity fault management (CFM) in networks with link aggregation group connections
CN101699821A (en) * 2009-11-02 2010-04-28 清华大学 Method for realizing address resolution protocol in distribution type multi-kernel network system
CN101729420A (en) * 2009-12-15 2010-06-09 杭州迪普科技有限公司 Data processing method and data processing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080016402A1 (en) * 2006-07-11 2008-01-17 Corrigent Systems Ltd. Connectivity fault management (CFM) in networks with link aggregation group connections
CN101699821A (en) * 2009-11-02 2010-04-28 清华大学 Method for realizing address resolution protocol in distribution type multi-kernel network system
CN101729420A (en) * 2009-12-15 2010-06-09 杭州迪普科技有限公司 Data processing method and data processing device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102970171A (en) * 2012-12-06 2013-03-13 盛科网络(苏州)有限公司 Method for realizing multiple operations, administration and maintenance (OAM) time precision through chip level
CN105227490A (en) * 2014-05-27 2016-01-06 杭州迪普科技有限公司 A kind of method of many device link polymerizations and device
CN105227490B (en) * 2014-05-27 2018-06-12 杭州迪普科技股份有限公司 A kind of method and device of more device link polymerizations
CN108199913A (en) * 2017-12-18 2018-06-22 瑞斯康达科技发展股份有限公司 A kind of method and apparatus for realizing delay testing
CN108199913B (en) * 2017-12-18 2020-10-20 瑞斯康达科技发展股份有限公司 Method and equipment for realizing time delay test
CN108509223A (en) * 2018-03-15 2018-09-07 联想(北京)有限公司 A kind of data processing method, device, system and storage medium
CN108933744A (en) * 2018-06-26 2018-12-04 新华三技术有限公司 A kind of message forwarding method and device
CN108933744B (en) * 2018-06-26 2021-01-26 新华三技术有限公司 Message forwarding method and device
CN111131024A (en) * 2019-12-09 2020-05-08 盛科网络(苏州)有限公司 Processing method and device of aggregated link
CN115065626A (en) * 2022-05-07 2022-09-16 苏州盛科通信股份有限公司 Source port checking method and device in Micro-BFD, electronic equipment and storage medium
CN115914173A (en) * 2022-11-30 2023-04-04 苏州盛科通信股份有限公司 Chip implementation method and application of OAM (operation administration and maintenance) under multi-core architecture

Also Published As

Publication number Publication date
CN102523113B (en) 2014-12-17

Similar Documents

Publication Publication Date Title
CN102523113A (en) Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system
CN103051557B (en) Data flow processing method and system, controller, switching equipment
CN102347905B (en) Network equipment and forwarded information updating method
CN102480358B (en) Centralization virtual switch fabric control method and equipment
EP2608459B1 (en) Router, virtual cluster router system and establishing method thereof
CN105721318B (en) The method and apparatus of network topology are found in a kind of software defined network SDN
CN101800676A (en) Link detection method, device and system
CN105103502B (en) For the method for the node device of configuration mesh communication network, computer program, information-storing device and system
CN104468358A (en) Message forwarding method and device of distributive virtual switch system
CN108365979A (en) Across the controller management method of cluster, SDN controllers and storage medium
CN106850304B (en) SDN framework-based gateway group method and system
CN101557343A (en) Detecting and protecting method of double-layer loop in VRRP topological network
CN103731376B (en) Method and system for selecting chain aggregation root ports on stacked equipment
CN103684953A (en) Method and device for avoiding data traffic loss in an Ethernet ring multihomed, in an active-standby manner, to a virtual private LAN service transport network
CN102185784A (en) Automatic protection switching method and device
CN102780635A (en) Method for realizing protection switching based on TRILL (transparent interconnection of lots of link) network, TOR (top of rack) switchboard and system
CN101989953A (en) Method and equipment for sending bidirectional forwarding detection message
CN103200100A (en) Method and device for packet transmitting
CN109992433A (en) A kind of distribution tgt communication optimization method, apparatus, equipment and storage medium
CN105847153A (en) Message forwarding method and network device
CN108028828A (en) A kind of distributed denial of service ddos attack detection method and relevant device
CN103532863A (en) Method and device for realizing software stacking
CN101692654B (en) Method, system and equipment for HUB-Spoken networking
CN107908560A (en) One kind is based on multiple target cross debugging system in Software Development Platform
CN105490970B (en) A kind of method, apparatus and system of link Fast Convergent

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system

Effective date of registration: 20150629

Granted publication date: 20141217

Pledgee: Zhenhua Group Finance Co. Ltd.

Pledgor: Centec Networks (Suzhou) Inc.

Registration number: 2015320010004

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20160627

Granted publication date: 20141217

Pledgee: Zhenhua Group Finance Co. Ltd.

Pledgor: Centec Networks (Suzhou) Inc.

Registration number: 2015320010004

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Chip realization method for MEP configuration on cross-chip aggregated link in Ethernet network OAM and chip realization system

Effective date of registration: 20160718

Granted publication date: 20141217

Pledgee: Zhenhua Group Finance Co. Ltd.

Pledgor: Centec Networks (Suzhou) Inc.

Registration number: 2016320010011

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20161130

Granted publication date: 20141217

Pledgee: Zhenhua Group Finance Co. Ltd.

Pledgor: Centec Networks (Suzhou) Inc.

Registration number: 2016320010011

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 215000 unit 13 / 16, 4th floor, building B, No.5 Xinghan street, Suzhou Industrial Park, Jiangsu Province

Patentee after: Suzhou Shengke Communication Co.,Ltd.

Address before: 215021 unit 13 / 16, floor 4, building B, No. 5, Xinghan street, Suzhou Industrial Park, Suzhou, Jiangsu

Patentee before: CENTEC NETWORKS (SU ZHOU) Co.,Ltd.