CN1383288A - Network device management protocol - Google Patents

Network device management protocol Download PDF

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Publication number
CN1383288A
CN1383288A CN 01115607 CN01115607A CN1383288A CN 1383288 A CN1383288 A CN 1383288A CN 01115607 CN01115607 CN 01115607 CN 01115607 A CN01115607 A CN 01115607A CN 1383288 A CN1383288 A CN 1383288A
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China
Prior art keywords
server
client
data
package
network
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CN 01115607
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Chinese (zh)
Inventor
余维哲
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D Link Corp
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D Link Corp
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Priority to CN 01115607 priority Critical patent/CN1383288A/en
Publication of CN1383288A publication Critical patent/CN1383288A/en
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Abstract

A network device management protocol is to set up a mode of a single client terminal to multiplex server by a network management facility and all the network devices on a same network. The said management facility can play the part of the single client terminal and these network devices can play the part of the multiple server., thus each said network device with assign a specific communication port number as its port number from the UDP table in line with the protocol and when the request packaging of the client terminal is treated in accordance with the said protocol, its port number of destination and that of source can be exchanged and sent back to the client terminal in the way of broadcast, so the client terminal gets the aim of managing all network devices of the same network.

Description

Network device management protocol
The present invention relates to a kind of network device management protocol, especially finger is a kind of can be in order to the agreement of all-network equipment on the management consolidated network, the Request Packet that client is sent, can be according to the specified UDP communication terminal slogan of this agreement, destination slogan as UDP, and according to client mechanism, set the source port number of UDP, to receive that at the network equipment this one requires package, and when finishing the processing that requires to carry out, the order ground port numbers of this UDP and the source port number of UDP can be exchanged,, send it back to client again with broadcast mode.
In recent years, because network world is flourish, the network equipment miscellaneous constantly is developed, and be used in widely in its life and the operational environment by all trades and professions, this development trend, not only quickened the speed and the efficient of information flow, and be that people bring great convenience in life and work.Yet the various network equipment of One's name is legion brings many managerial problems for the network management personnel also.
Many now use Local Area Networks or world-wide web, the dealer who carries out the circulation of enterprise internal information is for making its network management personnel, the effective numerous network equipment on the supervising the network, generally all be to utilize following manner,, set and manage the network equipment on its network:
(1) provides a RS-232 connectivity port by these network equipments, make administrative staff can use the hyper terminal machine, directly pass through holding wire, with the RS-232 connectivity port of this network equipment respectively line mutually, utilize the webmaster application program of being installed on this terminating machine again, login the respectively setting picture of this network equipment, directly it is carried out every setting or modification.The shortcoming of this way to manage, be that administrative staff must be directly to respectively setting or revise on this network equipment, so respectively where this network equipment is furnished, administrative staff just must be to this position, it is set or revises, cause manpower and time to go up waste greatly, can't make the network management personnel realize control far-end network equipment.
(2) adopt simple network management protocol (Simple Network Management Protocol, be called for short SNMP), make the network management personnel utilize online computing at far-end, and pass through network, login the respectively setting picture of this network equipment, it is set, revise and management, the shortcoming of this setting means, it is the IP address that administrative staff must know each network equipment really, could correctly login the respectively setting picture of this network equipment, and arbitrary the network equipment can not have identical IP address with another network equipment, so the network management personnel not only must know the respectively default IP address of this network equipment, also need possess notion and ability that IP sets and manages.
(3) adopt the TELNET agreement, by world-wide web, this network equipment is respectively carried out every setting and management, its shortcoming also is that the webmaster personnel not only must know the respectively default IP address of this network equipment, and need possess that IP sets and the notion and the ability of management.
(4) respectively setting up Web server in this network equipment, make the network management personnel can be by Web browser (Browser), pass through world-wide web, this network equipment is respectively carried out every setting and management, its shortcoming also is must possess the notion that IP sets and manages the webmaster personnel, and the default IP address of each network equipment.
In addition and since aforementioned webmaster personnel by network when respectively this network equipment is set or is revised, the setting picture is logined in the IP address that need find first network equipment earlier, and it is set, and leaves then; Find the IP address of next network equipment again, login, set, leave then; So, carry out repeatedly, till all-network equipment is all finished setting.So, similarly set action if having ten network equipments, these administrative staff promptly must carry out ten times, in case and these are set with change in the future, aforementioned setting action (containing management end and use side) all must be carried out once again, and real genus one is labor intensive and the engineering of time very.So, how to make the setting and the management operations of these network equipments more become to simplifying, significantly to simplify manpower, shorten the activity duration, make management end can be easily at the various network equipment that distributes everywhere, carry out every management apace, promptly become an important topic extremely to be solved on network device management.
The purpose of this invention is to provide a kind of network device management protocol, to improve many shortcomings that the aforementioned conventional network equipment is taken place on setting and managing.Network device management protocol of the present invention (Network Equipment Arrangement Protocol, hereinafter to be referred as the NEAP agreement) be to use so that a network-management tool, can with the all-network equipment on the consolidated network, be construed as the pattern of a single client jointly to multiple server (one-client-multi-server), this management tool can be played the part of the role of single client in this pattern, these network equipments are then played the part of the role of multiple server, but and make respectively this NEAP agreement of this network equipment mat, specify a user data section protocol (UserDatagram Protocol, hereinafter to be referred as UDP) a special communication terminal slogan (portnumber) in the gauge outfit is as its port numbers, and accept requirement according to this from client, so that but this NEAP agreement of this client mat reaches the purpose of managing all-network equipment on the consolidated network.
Another purpose of the present invention provides a kind of network device management protocol, this agreement can make the Request Packet of client, according to the destination slogan of specified UDP communication terminal slogan as UDP, and according to client mechanism, set the source port number of UDP, to receive this Request Packet at this network equipment respectively, and when finishing the processing that requires to carry out, the order ground port numbers of this UDP and the source port number of UDP can be exchanged, again with broadcast mode, it is sent back client, make this client can read or set the respectively interior data of this network equipment by this easily.
The object of the present invention is achieved like this: a kind of network device management protocol, it is characterized in that: this agreement is to use so that a network-management tool, can with the all-network equipment on the consolidated network, be construed as the pattern of a single client jointly to multiple server, management tool can be played the part of the role of single client in this pattern, these network equipments are then played the part of the role of multiple server, but make respectively this this agreement of network equipment mat, specify the special communication terminal slogan in user data section protocol (UDP) gauge outfit, as its port numbers, and make the Request Packet of client can be according to the specified UDP communication terminal slogan of this agreement, destination slogan as UDP, and according to client mechanism, set the source port number of UDP, to receive this Request Packet at this network equipment respectively, and when finishing the processing that requires to carry out, the order ground port numbers of this UDP and the source port number of UDP can be exchanged, again with broadcast mode, it is sent back client, make this client can reach the purpose of all-network equipment on the management consolidated network by this easily.
Comprise field in the gauge outfit of this agreement in order to definition packet type and MAC address of server class data, wherein this packet type can be according to the difference of its destination address, be divided into and search type, read type and set the type three major types, this MAC address of server then is in order to represent client to require to search, specify the server that reads or set the class action.
Comprise a succession of data field in the data segment of this agreement, utilize these attribute datas in order to defined attribute, describe desire the data value that reads or set.
When this client desire is carried out data read to this server, this client can be with the data items of desiring to read, in the attribute mode, insert one by one in this data segment earlier, again this Request Packet is sent, after this server receives this package, untie the attribute data in this data segment one by one, and according to its attribute type with in this server corresponding to the data of this attribute type, insert in the property value field of this package, and this package sent back client, make this client may be read into data in this server.
When wherein this client desire is carried out data setting to this server, the data items that this client can be set desire, in the attribute mode, insert this data segment one by one earlier, again this Request Packet is sent, after this server is received this package, untie the attribute data in this data segment one by one, and according to its attribute type, with the setting data in the property value field, be set to the correspondence position in this server, make this client can finish setting work easily this server.
This client is before sending this and requiring package, can be earlier to the coded system of this package according to a setting, to whole package, the field that does not comprise authentication field and MAC address of server, encrypt, again it is inserted this authentication field, and this package is sent, after respectively this server is received this package by client, again in the same manner, provide default this coded system by this server respectively, this package encrypted, and with this package in data in the authentication field compare, if the two is identical, the action of just reading or setting, otherwise, the request of declining this package.
This client reaches respectively, and the package between this server all is with the broadcast mode sending and receiving.
Wherein the purpose IP address of server can be set as 255.255.255.255 in this broadcasting packages, and its target MAC (Media Access Control) address can be set as FF; FF; FF; FF:FF; FF.
Fig. 1 utilizes the network schemer schematic diagram of a single client of NEAP agreement of the present invention institute construction to multiple server.
Fig. 2 is the configuration diagram of NEAP agreement of the present invention.
Fig. 3 is the gauge outfit field schematic diagram of NEAP agreement of the present invention.
Fig. 4 is the data segment field schematic diagram of NEAP agreement of the present invention.
Fig. 5 is that client utilizes NEAP agreement of the present invention when respectively this network equipment manages, the action schematic diagram that package comes and goes.
The present invention is a kind of management agreement (Network Equipment ArrangementProtocol of the network equipment, hereinafter to be referred as the NEAP agreement), this NEAP agreement be with so that the management tool of a network equipment (as: network-management application) can with the all-network equipment on the consolidated network, as: router, hub, interchanger, printing server, Fax Server and networking telephone lock ... etc., be construed as the pattern of a single client jointly to multiple server (one-client-multi-server), consult shown in Figure 1, and make this management tool in this pattern, the role who plays the part of single client, other network equipment on the consolidated network is then played the part of the role of multiple server.
This NEAP agreement of the present invention, mainly be a user data section protocol (the User Datagram Protocol that utilizes transport layer (Transport Layer) in the ISO/OSI pattern (model), hereinafter to be referred as UDP), consult shown in Figure 2, but make respectively this NEAP agreement of this server mat, specify a special communication terminal slogan in this UDP gauge outfit (as: port number), as the port numbers of this server (as: OXFC00) respectively, in order to wait for the requirement of accepting from client, in this pattern, client reaches the respectively package between this server, all be with the broadcast mode sending and receiving, also promptly respectively the purpose IP address of this server (Destination Address) all be set as 255.255.255.255, and its target MAC (Media Access Control) address all is set as FF; FF; FF; FF; FF; FF.
In the present invention, in the gauge outfit of this NEAP agreement (header), include field in order to data such as definition packet type (Code) and MAC address of server, consult shown in Figure 3, wherein this packet type can be divided into and search type (Discover), reads type (Get) and set type three major types such as (Set) according to the difference of its destination address.This MAC address of server then is search in order to represent client to require, to specify and read or the server of action such as setting.The data segment of this NEAP agreement (data) then comprises a succession of data field in order to defined attribute (Attributes), consults shown in Figure 4ly, utilizes these attribute datas, describe desire the data value that reads or set.
In the pattern of aforementioned single client to multiple server, the Request Packet of this client (request packet), be with a specified special UDP communication terminal slogan (port number) according to this NEAP agreement, destination slogan as UDP, and according to client mechanism, set the source port number of UDP, and after this server respectively receives that this requires package, can making respectively, this server carries out desired processing according to this package content, and with the order ground port numbers of this UDP and the source port number exchange of UDP, with broadcast mode, send this package back to this client again.Therefore, but the client mat is set in a certain reasonable time at interval interior (as: every 3 seconds), send out the package that three requirements are searched continuously, after this server respectively receives that these require package, can be immediately respectively the related data of this server (as: model of server product and MAC Address thereof) insert this package, and this package sent back client, its process is consulted shown in Figure 5, make the client that this NEAP agreement is installed, can search rapidly that all can carry out the network equipment of this NEAP agreement on the network.
In the present invention, if desire is by this NEAP agreement, when respectively this server reads or sets, respectively this server apparatus must possess the ability of identification and affirmation password, these passwords need elder generation encoded before being sent by this client, and the person snatches password to prevent the network interception.Coded system commonly used is the coded system of a kind of MDS of being called, this MDS coded system is the whole Request Packet that client is sent, the field that does not comprise authentication field (Authenticator) and MAC address of server, it is added password, be encoded into the data of one 16 bit groups, then, again it is inserted this authentication field, by client this Request Packet is sent again.After respectively this server (being that its MAC Address is identical with MAC address of server field in this Request Packet) receives that this requires package, will be in an identical manner, provide default password by this server respectively, coded system with MDS, whole Request Packet is encoded into the data of one 16 bit groups, and the data in the authentication field compare in the Request Packet of sending here with client, if the two identical, as just to read or set action; Otherwise, the request of declining this package.So, the client that this NEAP agreement is installed be can make, when this webserver respectively being read and set operation, safety and confidentiality had more.
In the present invention, if the client of this NEAP agreement is installed, when desire is carried out data read to a certain specific server that this NEAP agreement is installed, this client can be with the data items of desiring to read, in the attribute mode, insert one by one in the data segment of this NEAP earlier, again this Request Packet is sent, after this server (being that its MAC Address is identical with the MAC Address field of server in this Request Packet) receives this package, with the attribute data of untiing one by one in this data segment, and according to its attribute type (Type), with in this server corresponding to the data of this attribute type, insert in property value (AttributeValue) field of this package, and this package is sent back client, make this client can read the interior data of this server easily.
In addition, when if this client desire is carried out data setting to a certain specific server, the data items that client can be set desire, in the attribute mode, insert earlier the data segment of this NEAP agreement one by one, again this Request Packet is sent, after this server is received this package, with the attribute data of untiing one by one in this data segment, and according to its attribute type, with the setting data in the property value field, be set to the correspondence position in this server, make this client can finish setting work easily to data in this server.
The above only is of the present invention one best specific embodiment, but design of the present invention is not limited thereto, and anyly is familiar with this skill person in field of the present invention, can think easily and variation or modification, all can be encompassed in the claim scope of the present invention.

Claims (8)

1, a kind of network device management protocol, it is characterized in that: this agreement is to use so that a network-management tool, can with the all-network equipment on the consolidated network, be construed as the pattern of a single client jointly to multiple server, management tool can be played the part of the role of single client in this pattern, these network equipments are then played the part of the role of multiple server, but make respectively this this agreement of network equipment mat, specify the special communication terminal slogan in user data section protocol (UDP) gauge outfit, as its port numbers, and make the Request Packet of client can be according to the specified UDP communication terminal slogan of this agreement, as the destination slogan of UDP, and, set the source port number of UDP according to client mechanism, to receive this Request Packet at this network equipment respectively, and when finishing the processing that requires to carry out, can be with the order ground port numbers of this UDP and the source port number exchange of UDP, again with broadcast mode, it is sent back client, make this client can reach the purpose of all-network equipment on the management consolidated network by this easily.
2, network device management protocol as claimed in claim 1, it is characterized in that: comprise field in the gauge outfit of this agreement in order to definition packet type and MAC address of server class data, wherein this packet type can be according to the difference of its destination address, be divided into and search type, read type and set the type three major types, this MAC address of server then is in order to represent client to require to search, specify the server that reads or set the class action.
3, network device management protocol as claimed in claim 2 is characterized in that: comprise a succession of data field in the data segment of this agreement, utilize these attribute datas in order to defined attribute, describe desire the data value that reads or set.
4, network device management protocol as claimed in claim 3, it is characterized in that: when this client desire is carried out data read to this server, this client can be with the data items of desiring to read, in the attribute mode, insert one by one in this data segment earlier, again this Request Packet is sent, after this server receives this package, untie the attribute data in this data segment one by one, and according to its attribute type, with in this server corresponding to the data of this attribute type, insert in the property value field of this package, and this package sent back client, make this client may be read into data in this server.
5, network device management protocol as claimed in claim 3, it is characterized in that: when this client desire is carried out data setting to this server, the data items that this client can be set desire, in the attribute mode, insert earlier this data segment one by one, again this Request Packet is sent, after this server is received this package, untie the attribute data in this data segment one by one, and according to its attribute type, with the setting data in the property value field, be set to the correspondence position in this server, make this client can finish setting work easily to this server.
6, network device management protocol as claimed in claim 3, it is characterized in that: this client is before sending this and requiring package, can be earlier to this package, according to a coded system of setting,, do not comprise the field of authentication field and MAC address of server to whole package, encrypt, again it is inserted this authentication field, and this package is sent, after respectively this server is received this package by client, again in the same manner, provide default this coded system by this server respectively, this package encrypted, and with this package in data in the authentication field compare, if the two is identical, the action of just reading or setting, otherwise, the request of declining this package.
7, as claim 1 or 2 or 3 or 4 or 5 or 6 described network device management protocols, it is characterized in that: this client reaches the respectively package between this server, all is with the broadcast mode sending and receiving.
8, network device management protocol as claimed in claim 7 is characterized in that: the purpose IP address of server can be set as 255.255.255.255 in this broadcasting packages, and its target MAC (Media Access Control) address can be set as FF; FF; FF; FF:FF; FF.
CN 01115607 2001-04-26 2001-04-26 Network device management protocol Pending CN1383288A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101227329B (en) * 2008-02-18 2011-04-06 华为技术有限公司 System, apparatus and method for managing network device
CN101129021B (en) * 2005-02-25 2012-06-27 诺基亚公司 Device management broadcast operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101129021B (en) * 2005-02-25 2012-06-27 诺基亚公司 Device management broadcast operation
CN101227329B (en) * 2008-02-18 2011-04-06 华为技术有限公司 System, apparatus and method for managing network device

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