CN101034938B - Configuration method for remote management IP address of the ONU in the EPON network - Google Patents
Configuration method for remote management IP address of the ONU in the EPON network Download PDFInfo
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Abstract
This invention discloses a network EPON ONU in the remote management of IP address allocation methods. It includes the following steps: a. OLT in the optical line terminal on the pre-configured ONU remote management IP address information; B. through the expansion of the definition of maintenance operations management OAM frame, when on-line at ONU plus, or on line, according to OLT configuration of the IP address information ONU configured; Or, through the expansion of the definition of maintenance operations management OAM frame, when the system is used configured with a static IP address ONU remote management or IP address of the increase or enable or disable a particular IP address section; c . ONU receiving frame was extended OAM IP address configuration information, and then finish the allocation. This invention simplifies the ONU remote management IP address configuration, and makes full use of the limitedIP addresses.
Description
Technical field
The present invention relates to the network element device in the communication system, relate in particular to a kind of EPON (Ethernet Passive OpticalNetworks, the Ethernet passive optical network system) collocation method of the remote management IP address of ONU (Optical Network Unit, optical network unit) in the network.
Background technology
In Ethernet passive optical network EPON system, need dispose the remote management IP address of ONU when optical network unit ONU being carried out telemanagement by the mode of in-band management, network management also needs to know this IP address of ONU.Because the IP address resource in the network is limited, need effectively utilize existing resources.Existing method is that to utilize DHCP (Dynamic HostConfiguration Protocol, DHCP) server be ONU distributing IP address, and ONU gives NM server by the mode of alarm with this IP address report.The shortcoming of this method is to implement more complicated realizing the dhcp client agreement on the ONU and will increasing alarm type on ONU and NM server.
Summary of the invention
Therefore technical problem to be solved by this invention provides the collocation method of the remote management IP address of ONU in a kind of EPON network, and this method can be simplified the configuration of ONU remote management IP address, makes full use of limited IP address resource.
The present invention specifically is achieved in that
The collocation method of the remote management IP address of optical network unit ONU in a kind of Ethernet passive optical network comprises the steps: a. pre-configured ONU remote management IP address information on optical line terminal OLT; B. by self-defining extended operation management maintenance OAM frame, when ONU is online or power up when reaching the standard grade, OLT is configured ONU according to the IP address information of configuration; Perhaps, in service by self-defining extended operation management maintenance OAM frame in system, configuring static ONU remote management IP address or increase the IP address field or enable or forbid certain IP address field; C.ONU receives expansion OAM frame and obtains the IP address configuration information, finishes configuration.
Press such scheme, step a comprises the steps: that OLT sets up IP address pool table according to the information of the IP address pool of configuration, and IP address pool table storing IP address realm information is to the IP address of ONU dynamic assignment that does not have static configuration IP address; OLT sets up IP address and ONU mapping table, and IP address and ONU mapping table are stored ONU and its remote management IP address information when online; OLT sets up the static ip address table, and the static ip address table is stored effective ONU and static ip address configuration information.
Press such scheme, comprise start ip address in the described IP address pool table, stop the IP address, subnet mask, enable field whether, index is start ip address and stops the IP address; Described IP address and ONU mapping table comprise IP address, OLT passive optical network port number, ONU number, enable field whether, and index is IP address, OLT passive optical network port number and ONU number; Described static ip address table comprises IP address, OLT passive optical network port number, ONU number, subnet mask, and index is IP address, OLT passive optical network port number and ONU number.
Press such scheme, among the step b, described OLT according to the IP address information of configuration to ONU be configured comprise the steps: the ONU electrifying startup or reset after, finish registration and authentication on OLT; On OLT, search the static ip address table; If exist,, ONU be configured by self-defining expansion OAM frame according to the information in the static ip address table; If there is no, on OLT, search IP address pool table, from start ip address, take out an IP address, according to this IP address search IP address and ONU mapping table; If there is no, by self-defining expansion OAM frame ONU is configured; If exist, IP address and ONU mapping table are repeated to search according to this IP address in the IP address of reentrying during then the secondary IP address pond is shown again.
Press such scheme, among the step b, described configuring static ONU remote management IP address comprises the steps: that OLT searches the static ip address table according to OLTPON port numbers and ONU; If the configuration of this ONU is arranged in the static ip address table, then upgrade the static ip address table, judge this ONU registration of whether having reached the standard grade then, if register then ONU is configured; If the not configuration of this ONU in the static ip address table is then according to IP address search IP address and ONU mapping table; If there is and does not belong to this ONU in this IP address, then return error message, if there is and belongs to this ONU in this IP address, then in the static ip address table, increase these clauses and subclauses, if this IP address does not exist, then in IP address and ONU mapping table, increase a record, upgrade the static ip address table, judge this ONU registration of whether having reached the standard grade then, if register then ONU is configured.
Press such scheme, among the step b, described increase IP address field comprises the steps: according to start ip address and to stop the IP address be index search IP address pool table, if exist then make mistakes, if there is no then newly-increased one record in the IP address pool table.
Press such scheme, among the step b, describedly enable or forbid the taboo information that enables that certain IP address field comprises the steps: to upgrade this IP address field in the IP address pool table; Search IP address and ONU mapping table,, then dispose the IP address enable information of ONU if there is the IP address to be in this IP address field in this table.
Press such scheme,, then upgrade IP address and ONU mapping table if to the ONU configuration successful.
Press such scheme, described self-defining expansion OAM frame is that the numerical value to the Ext.Opcode subdomain in standard OAM frame payload/region filling defines, with expression: OLT respectively issue IP address date, ONU IP address date upgrade confirm, OLT inquiry ONU data, ONU return data query; And the Payload subdomain in standard OAM frame payload/region filling expanded, to carry remote management IP address information.
Press such scheme, described the Payload subdomain is expanded, comprising: minor matters point, leaf node, data length and data; Wherein, minor matters point and leaf node are used for identifying this IP address information, carry IP address, subnet mask and enables/disables information in the data.
Owing to adopted above-mentioned processing procedure, the present invention compared with prior art has the following advantages:
Adopt the method for the invention, needn't on ONU, realize the dhcp client agreement, need on ONU and NM server, not increase alarm type, thereby simplify the configuration of ONU remote management IP address.Simultaneously, the present invention can reuse the IP address by enabling or forbid the IP address, just enables when needs manage it, has made full use of limited IP address resource.Therefore, adopt the present invention can realize by modes such as inband network management such as WEB or telnet telemanagement ONU easily.
Description of drawings
Fig. 1 be ONU when reaching the standard grade OLT to the configuration flow figure of ONU remote management IP address;
Fig. 2 is the configuration flow figure of configuration ONU telemanagement static ip address;
Fig. 3 increases IP address field configuration flow figure;
Fig. 4 enables or forbids IP address field configuration flow figure;
Fig. 5 is the flow chart of ONU side when realizing the IP address configuration;
Fig. 6 is the OAM frame format schematic diagram that is used for the self-defined expansion of producer of standard IEEE 802.3-2005 definition;
Fig. 7 is the expansion schematic diagram of the subdomain Payload of payload/region filling shown in Figure 6.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described:
The present invention includes following treatment step:
The first step: configuration ONU remote management IP address information.Set up three tables according to configuration information: static ip address table, IP address pool table and IP address and ONU mapping table.The static ip address table is stored effective ONU and static ip address configuration information; IP address pool table storing IP address realm information is to the IP address of ONU dynamic assignment that does not have static configuration IP address; IP address and ONU mapping table are stored ONU and its remote management IP address information when online.
Second step: when ONU is online or power up when reaching the standard grade, OLT (Optical Line Terminal, optical line terminal) selecting an IP address to administer and maintain (OAM, OperationAdministration and Maintenance) frame by self-defining extended operation according to the IP address information of configuration is configured ONU.In service in system, can dispose single ONU static ip address, enable or forbid certain IP address or IP address field.
The 3rd step: ONU receives expansion OAM frame and obtains the IP address configuration information, is configured.
The above-mentioned first step can comprise the following steps: again
1, the information according to the IP address pool of configuration is set up IP address pool table during the OLT power-up initializing.Comprise start ip address in the IP address pool table, stop the IP address, subnet mask, enable field whether, index is start ip address and stops the IP address.The IP address field can be increased or delete, also certain address field can be enabled or forbid;
2, set up IP address and ONU mapping table.Comprise in this table IP address, OLT passive optical network port number, ONU number and enable field whether that index is IP address, OLT passive optical network port number and ONU number;
3, set up the static ip address table.Comprise IP address, OLT passive optical network port number, ONU number, subnet mask in this table, index is IP address, OLT passive optical network port number and ONU number.Can prevent from when IP address conflict occurring on the network, can't conduct interviews by forbidding certain IP address to ONU.
Above-mentioned second step can comprise the following steps: again
1, OLT carries out the automatic configuration flow of remote management IP address when ONU is online;
2, configuring static IP address flow process;
3, increase IP address field flow process;
4, enable or forbid IP address field flow process.
Below be the specific embodiment of following according to above-mentioned steps:
Present embodiment mainly based on existing IEEE802.3-2005OAM expanded definition, carries out the configuration of ONU remote management IP address, when ONU is online or power up when reaching the standard grade configuration or the renewal that realizes remote management IP address automatically.
Describe the concrete steps that are configured below in detail.
Shown the realization principle flow chart of realizing the method for ONU remote management IP address configuration in the present embodiment as shown in Figure 1.
The first step, pre-configured ONU remote management IP address data, for example configuration of IP address pond and static ip address information etc. on OLT;
Second the step, the ONU electrifying startup or reset after, finish registration and authentication on OLT;
In the 3rd step, OLT goes up local configuration according to OLT in the first step, searches the static ip address table, if exist, according to the information in the static ip address table, begins ONU is configured; If there is no, search IP address pool table,, take out an IP address,, see that whether this IP address is used by other ONU, if do not have, is configured ONU according to this IP address search IP address and ONU mapping table from the IP segment base; If be used, this process is repeated in the IP address of reentrying during then the secondary IP address pond is shown again.If to the ONU configuration successful, then upgrade IP address and ONU mapping table; If unsuccessful, system no longer is configured.As can be seen from the figure, if do not have configuration of IP address pond information and static ip address on the OLT, then can not be configured ONU.Whether the information that is configured to ONU in force comprises IP address, subnet mask, enables.If the IP address field of configuration is forbidding, then all IP addresses that are configured to ONU are forbidding, and this is to prevent to exist in the network IP address of repeating.
Fig. 2 has introduced the handling process of configuring static ONU remote management IP address.As shown in the drawing, during configuring static IP address date, OLT searches the static ip address table according to OLT PON port numbers and ONU.Just upgrade this clauses and subclauses if found, then upgrade the static ip address table, judge this ONU registration of whether having reached the standard grade, if register then ONU is configured; If the not configuration of this ONU in the static ip address table, then according to IP address search IP address and ONU mapping table, there are three kinds of situations this moment, the one,, this IP address exists and does not belong to this ONU, illustrates that this IP address used by other ONU, returns error message, can't be configured, needing is this ONU distributing IP address again; The 2nd,, the IP address exists and belongs to this ONU, illustrates that this IP address has been configured to this ONU, does not need ONU to be configured again, and increases these clauses and subclauses in the static ip address table; The 3rd,, do not exist, in IP address and ONU mapping table, increase a record, upgrade the static ip address table, judge this ONU registration of whether having reached the standard grade then, if register then ONU is configured.
Fig. 3 has introduced the configuration flow of the inventive method when increasing the IP address field.According to start ip address with to stop the IP address is index search IP address pool table, if exist then make mistakes, if there is no then newly-increased one record in the IP address pool table.
Fig. 4 has introduced the configuration flow of the inventive method when enabling or forbidding the IP address field.As shown in the drawing, at first, upgrade the taboo information that enables of this IP address field in the IP address pool table, search IP address and ONU mapping table then, if there is the IP address to be in this IP address field in this table, then dispose the IP address enable information of ONU; If do not have then the flow process end.
Fig. 5 has shown in the remote management IP address layoutprocedure that realizes ONU, the realization flow of ONU equipment.As shown in the drawing, the ONU electrifying startup or reset after, carry out ONU registration and authentication, imperfect tense, then repeat, finish up to registration and authentication; Receive the remote management IP address data that OLT issues,, return ONU confirmation of receipt message after configuration finishes and give OLT,, then return failure information, be not configured if do not support if support then carry out ONU remote management IP address data configuration.
What Fig. 6 showed is the OAM frame format that is used for the self-defined expansion of producer of existing standard IEEE802.3-2005 definition, comprising following territory: destination address (Destination Address), source address (Source Address), length/type (Length/Type), subtype (Subtype), status bits (Flags), code (Code=0xFE), payload/region filling (Data/Pad), Frame Check Sequence (FCS).In the described Data/Pad territory, preceding 3 bytes are OUI (tissue unique identification) subdomain, be used to represent producer's sign, Ext.Opcode (extended operation sign indicating number) subdomain comprises and extended attribute is set, extended attribute return value etc. is set, Payload (net load) subdomain is expanded, to carry the IP address information.Described Code territory is 0xFE, and identifying this OAM frame is self-defining OAM frame.
Fig. 7 shows is expansion to standard OAM frame payload/region filling, comprise: minor matters point (Branch), leaf node (Leaf), data length (DataLength) and data (Data), expansion minor matters point and leaf node are to identify this IP address date.
For example related definition such as the following table of Ext.Opcode (extended operation sign indicating number):
| Ext.Opcode | Definition |
| 0x01 | OLT issues the IP address date |
| 0x02 | ONU IP address date upgrades to be confirmed |
| 0x03 | OLT inquiry ONU data |
| 0x04 | ONU returns the OLT data |
Here, when definition Ext.Opcode value was 0x01, expression OLT issued the IP address date; During for 0x02, expression ONU upgrades the IP address date and confirms; 0x03 represents to inquire about the ONU data; 0x04 represents that ONU returns data query.
For example each territory in the Payload subdomain is defined as follows table:
| Value | Length (byte) | |
| Branch minor matters point | 0x01 | 1 |
| The Leaf leaf node | 0x0001 | 2 |
| The DataLength data length | 0x09 (success (0x80) when returning confirmation, failure (0xFF)) | 1 |
| The IP address | 192.168.3.1 | 4 |
| Subnet mask | 255.255.255.0 | 4 |
| Enables/disables | 1 (enabling)/0 (forbidding) | 1 |
Carry information such as IP address, subnet mask in the data (Data).And return when confirmation is set as ONU, described Branch, Leaf and DataLength be table definition as above, and data (Data) are filled to 0; Return data length during successful inquiring, data are filled to 0 during failure.
Certainly, described Ext.Opcode subdomain and Payload subdomain are not to adopt top numerical value, can adopt other numerical value yet.Equally, also can define other subdomain extended operation sign indicating number, not define the synchronous dependent instruction of realization and do not limit the numerical value that only utilizes Ext.Opcode.Also can adopt other mode to the expansion of Payload.
Claims (9)
1. the collocation method of the remote management IP address of optical network unit ONU in the Ethernet passive optical network comprises the steps:
1-1, on optical line terminal OLT pre-configured ONU remote management IP address information, and set up static ip address table, IP address pool table and IP address and ONU mapping table according to described IP address information; Wherein, described static ip address table is stored effective ONU and static ip address configuration information; Described IP address pool table storing IP address realm information, and IP address of ONU dynamic assignment to there not being static configuration IP address; Described IP address and ONU mapping table are stored ONU and its remote management IP address information when online;
1-2, by self-defining extended operation management maintenance OAM frame, when ONU is online or power up when reaching the standard grade, OLT is configured ONU according to the IP address information of configuration; Perhaps, in service by self-defining extended operation management maintenance OAM frame in system, configuring static ONU remote management IP address or increase the IP address field or enable or forbid certain IP address field;
1-3, ONU receive expansion OAM frame and obtain the IP address configuration information, finish configuration.
2. collocation method as claimed in claim 1 is characterized in that,
Comprise start ip address in the described IP address pool table, stop the IP address, subnet mask, enable field whether, index is start ip address and stops the IP address;
Described IP address and ONU mapping table comprise IP address, OLT passive optical network port number, ONU number, enable field whether, and index is IP address, OLT passive optical network port number and ONU number;
Described static ip address table comprises IP address, OLT passive optical network port number, ONU number, subnet mask, and index is IP address, OLT passive optical network port number and ONU number.
3. collocation method as claimed in claim 2 is characterized in that, among the step 1-2, described OLT is configured ONU according to the IP address information that disposes and comprises the steps:
The ONU electrifying startup or reset after, finish registration and authentication on OLT; On OLT, search the static ip address table; If exist,, ONU be configured by self-defining expansion OAM frame according to the information in the static ip address table; If there is no, on OLT, search IP address pool table, from start ip address, take out an IP address, according to this IP address search IP address and ONU mapping table; If there is no, by self-defining expansion OAM frame ONU is configured; If exist, IP address and ONU mapping table are repeated to search according to this IP address in the IP address of reentrying during then the secondary IP address pond is shown again.
4. collocation method as claimed in claim 2 is characterized in that, among the step 1-2, described configuring static ONU remote management IP address comprises the steps:
OLT searches the static ip address table according to OLT PON port numbers and ONU; If the configuration of this ONU is arranged in the static ip address table, then upgrade the static ip address table, judge this ONU registration of whether having reached the standard grade then, if register then ONU is configured; If the not configuration of this ONU in the static ip address table is then according to IP address search IP address and ONU mapping table; If there is and does not belong to this ONU in this IP address, then return error message, if there is and belongs to this ONU in this IP address, then in the static ip address table, increase these clauses and subclauses, if this IP address does not exist, then in IP address and ONU mapping table, increase a record, upgrade the static ip address table, judge this ONU registration of whether having reached the standard grade then, if register then ONU is configured.
5. collocation method as claimed in claim 2 is characterized in that, among the step 1-2, described increase IP address field comprises the steps:
According to start ip address with to stop the IP address is index search IP address pool table, if exist then make mistakes, if there is no then newly-increased one record in the IP address pool table.
6. collocation method as claimed in claim 2 is characterized in that, among the step 1-2, describedly enables or forbids certain IP address field and comprise the steps:
Upgrade the taboo information that enables of this IP address field in the IP address pool table; Search IP address and ONU mapping table,, then dispose the IP address enable information of ONU if there is the IP address to be in this IP address field in this table.
7. as any described collocation method in the claim 3 to 6, it is characterized in that,, then upgrade IP address and ONU mapping table if to the ONU configuration successful.
8. as any described collocation method in the claim 1 to 6, it is characterized in that, described self-defining expansion OAM frame is that the numerical value to the Ext.Opcode subdomain in standard OAM frame payload/region filling defines, with expression: OLT respectively issue IP address date, ONU IP address date upgrade confirm, OLT inquiry ONU data, ONU return data query; And the Payload subdomain in standard OAM frame payload/region filling expanded, to carry remote management IP address information.
9. collocation method as claimed in claim 8 is characterized in that, described the Payload subdomain is expanded, and comprising: minor matters point, leaf node, data length and data; Wherein, minor matters point and leaf node are used for identifying this IP address information, carry IP address, subnet mask and enables/disables information in the data.
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| CN101141194B (en) * | 2007-09-24 | 2010-06-16 | 中兴通讯股份有限公司 | Method of remote managing user side equipment in passive optical network system |
| CN101174898B (en) * | 2007-11-16 | 2011-05-11 | 中国电信股份有限公司 | Tele-management method and system for optical network unit |
| CN101567799B (en) * | 2008-04-21 | 2011-07-27 | 上海未来宽带技术及应用工程研究中心有限公司 | Automatic configuring method of optical network unit |
| CN101873515B (en) * | 2009-04-21 | 2013-12-04 | 华为技术有限公司 | IPV6 message transmission method, system and device of passive optical network |
| CN101552937B (en) * | 2009-05-19 | 2011-12-21 | 中国电信股份有限公司 | Network address multiplexing realizing method and device in EPON network |
| CN101925109B (en) | 2009-06-16 | 2012-12-26 | 华为技术有限公司 | Method and device for controlling channel mapping |
| CN101931831B (en) * | 2009-06-18 | 2014-03-19 | 中兴通讯股份有限公司 | Optical network unit and IP managing method of optical network unit |
| CN102149028A (en) * | 2010-02-08 | 2011-08-10 | 中兴通讯股份有限公司 | Method, equipment and system for controlling optical network unit accessing authority |
| CN102572617B (en) * | 2010-12-17 | 2015-06-03 | 中兴通讯股份有限公司 | Private network server access method and optical network unit |
| CN102624538B (en) * | 2011-01-27 | 2016-06-15 | 中兴通讯股份有限公司 | The method of a kind of initialize process exception process and system |
| US8700747B2 (en) * | 2011-04-19 | 2014-04-15 | Schneider Electric It Corporation | System and method for automatically addressing devices in a multi-drop network |
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| CN102970383B (en) * | 2012-11-13 | 2018-07-06 | 中兴通讯股份有限公司 | A kind of method and device, method and device of information processing for distributing IP address |
| CN102970072B (en) * | 2012-12-24 | 2016-12-28 | 上海斐讯数据通信技术有限公司 | A kind of method judging device authentication state |
| CN103108261B (en) * | 2013-02-06 | 2016-11-16 | 上海电信工程有限公司 | The activating method of EPON access device |
| CN105515772B (en) | 2014-06-09 | 2020-04-03 | 华为技术有限公司 | Information processing method, network node, verification method and server |
| CN104980432A (en) * | 2015-05-15 | 2015-10-14 | 深圳市双翼科技有限公司 | Method for dual-PON port ONU to register and manage protocol stack at OLT |
| CN106100916B (en) * | 2016-08-30 | 2019-11-29 | 武汉丰天鼎业信息网络有限公司 | A method of the Remote configuration CBAT management parameters based on the bis- IP address of ONU |
| CN107566155A (en) * | 2017-07-28 | 2018-01-09 | 江西山水光电科技股份有限公司 | A kind of remote management method based on efm Extended Protocols |
| CN108039967A (en) * | 2017-12-12 | 2018-05-15 | 江西山水光电科技股份有限公司 | A kind of remote management method of Packet Transport Network based on efm Extended Protocols |
| CN108184174B (en) * | 2017-12-29 | 2021-05-18 | 武汉长光科技有限公司 | Method for customizing OAM (operation administration and maintenance) under EPON (Ethernet Passive optical network) system |
| CN108737196B (en) * | 2018-06-15 | 2021-04-06 | 无锡雷华网络技术有限公司 | Method for managing PON equipment |
| CN110768876B (en) * | 2018-07-25 | 2021-11-23 | 中兴通讯股份有限公司 | Method, device, server and storage medium for automatically triggering user to be online |
| CN112367416B (en) * | 2021-01-15 | 2021-03-12 | 湖南高至科技有限公司 | System, method and computer equipment for remotely setting equipment IP address |
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