CN108306992B - Blind starting method of base station, base station and centralized DHCP server - Google Patents
Blind starting method of base station, base station and centralized DHCP server Download PDFInfo
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- CN108306992B CN108306992B CN201610648891.0A CN201610648891A CN108306992B CN 108306992 B CN108306992 B CN 108306992B CN 201610648891 A CN201610648891 A CN 201610648891A CN 108306992 B CN108306992 B CN 108306992B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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Abstract
The invention discloses a method for blind start of a base station, the base station and a centralized DHCP server.A centralized DHCP server is deployed in RAN, and each RNC in the RAN does not start a DHCP function; the method comprises the following steps: the base station initiates a DHCP process to receive the OM channel IP address distributed by the DHCP server; the base station initiates an OM channel establishing process carrying EID information to the DHCP server based on the OM channel IP address; the base station sends a base station configuration file request message to the DHCP server through the OM channel so as to extract the storage information of the base station configuration file carried in the response message of the DHCP server; the base station acquires a base station configuration file based on the storage information; and the base station establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station. The invention reduces the risk of network storm by deploying a centralized DHCP server.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a method for blind start of a base station, the base station and a centralized DHCP server.
Background
A Universal Terrestrial Radio Access Network (UTRAN) in a third generation mobile communication (3G) Network is composed of a Radio Network Controller (RNC) and a base station (Node B, NB), and the RNC is an exchange and control element of the UTRAN. The RNC, also known as a base station controller, is mainly used to manage and control the plurality of base stations to which it is connected.
In the blind start process of the base station, the base station serves as a client to send Dynamic Host Configuration Protocol (DHCP) discovery information in a broadcast mode, namely, DHCP discover information to search for a DHCP server. Each host installed with TCP/IP protocol on the Network will receive the broadcast information, and if multiple RNCs in a Radio Access Network (RAN) all have a DHCP service function, these RNCs will process and respond to the DHCP discover information sent from the base station.
It can be seen that, in the existing base station blind start technology, when the number of the base stations which are started blindly is large, the network overhead of the RAN is increased sharply, and a network storm is caused.
Disclosure of Invention
In view of the above problems, the present invention provides a method for blind start of a base station, a base station and a centralized DHCP server to overcome the above problems, so as to reduce the risk of network storm.
In a first aspect, the present invention provides a method for blind start of a base station, where a centralized dynamic host configuration protocol DHCP server is deployed in a radio access network RAN, and each radio network controller RNC included in the RAN does not start a DHCP function; the method comprises the following steps:
the base station initiates a DHCP process to receive the operation and maintenance OM channel IP address distributed by the DHCP server;
the base station initiates an OM channel establishing process carrying base station identity identification (EID) information to the DHCP server based on the OM channel IP address so as to establish an OM channel with the DHCP server;
the base station sends a base station configuration file request message to the DHCP server through the OM channel so as to receive a response message of the DHCP server and extract the storage information of the base station configuration file carried in the response message;
the base station acquires the base station configuration file based on the storage information of the base station configuration file;
and the base station establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station.
In a second aspect, the present invention further provides a base station, where a centralized dynamic host configuration protocol DHCP server is deployed in a radio access network RAN, and each radio network controller RNC included in the RAN does not start a DHCP function, where the base station includes:
the first initiating unit is used for initiating a DHCP process so as to receive the operation and maintenance OM channel IP address distributed by the DHCP server;
a second initiating unit, configured to initiate an OM channel establishing process with base station identity identification EID information to the DHCP server based on the OM channel IP address, so as to establish an OM channel with the DHCP server;
a sending unit, configured to send a base station configuration file request message to the DHCP server through the OM channel, so as to receive a response message of the DHCP server, and extract storage information of a base station configuration file carried in the response message;
an obtaining unit, configured to obtain the base station configuration file based on storage information of the base station configuration file;
and the connection establishing unit is used for establishing connection with the RNC in the RAN based on the base station configuration file so as to realize blind start of the base station.
In a third aspect, the present invention further provides a method for blind start of a base station, where a centralized dynamic host configuration protocol DHCP server is deployed in a radio access network RAN, and each radio network controller RNC included in the RAN does not start a DHCP function; the method comprises the following steps:
the DHCP server distributes an operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station;
the DHCP server establishes an OM channel with the base station through an OM channel establishing process which is initiated by the base station based on the IP address of the OM channel and carries base station identity identification (EID) information;
and the DHCP server receives a base station configuration file request message sent by the base station through the OM channel, sends a response message carrying storage information of a base station configuration file to the base station so that the base station acquires the base station configuration file based on the storage information of the base station configuration file, and establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station.
In a fourth aspect, the present invention further provides a centralized DHCP server, where the centralized DHCP server is deployed in a radio access network RAN, and each radio network controller RNC included in the RAN does not start a DHCP function; the centralized DHCP server includes:
the distribution unit is used for distributing the operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station;
the establishment unit is used for establishing an OM channel with the base station through an OM channel establishment process which is initiated by the base station based on the IP address of the OM channel and carries base station identity identification (EID) information;
and the communication unit is used for receiving a base station configuration file request message sent by the base station through the OM channel, sending a response message carrying storage information of the base station configuration file to the base station so that the base station acquires the base station configuration file based on the storage information of the base station configuration file, and establishing connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station.
Compared with the prior art, the blind start method of the base station, the base station and the centralized DHCP server provided by the invention have the advantages that the centralized dynamic host configuration protocol DHCP server is deployed in the RAN, and the RNC in the RAN does not start the DHCP function, so that the problems that in the blind start technology of the base station, when the number of the base stations in the network is large and a plurality of RNCs which start the DHCP service function exist, a large amount of data interaction is generated, the network overhead is increased suddenly, and even a network storm is caused are solved.
Drawings
Fig. 1 is a flowchart of a method for blind start of a base station according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a base station according to a second embodiment of the present invention;
fig. 3 is a flowchart of a method for blind start of a base station according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a centralized DHCP server according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention.
It should be noted that the words "first", "second", "third", etc. are used herein only to distinguish the same names from each other, and do not imply a relationship or order between the names.
As shown in fig. 1, an embodiment of the present invention discloses a method for blind start of a base station, where an execution subject of the method is the base station. A centralized DHCP server is deployed in a radio access network RAN, and each radio network controller RNC contained in the RAN does not start a DHCP function; the method comprises the following steps 101-105:
101. the base station initiates a DHCP process to receive an Operation and Maintenance (OM) channel IP address allocated by the DHCP server.
102. And the base station initiates an OM channel establishing process carrying base station identity (ID, EID) information to the DHCP server based on the OM channel IP address so as to establish an OM channel with the DHCP server.
103. And the base station sends a base station configuration file request message to the DHCP server through the OM channel so as to receive a response message of the DHCP server and extract the storage information of the base station configuration file carried in the response message.
In this embodiment, the base station configuration file is a base station transmission parameter configuration file.
In the embodiment, the DHCP server searches the base station configuration file record according to the EID information reported by the base station, if the base station configuration file record exists, the DHCP server responds a success message to the base station and informs the storage information of the base station configuration file in the message; and if not, responding to a failure message and waiting for manual intervention.
104. And the base station acquires the base station configuration file based on the storage information of the base station configuration file.
In this embodiment, step 104 specifically includes: the base station initiates a File Transfer Protocol (FTP) process based on the storage information of the base station configuration File, and acquires the base station configuration File from a DHCP server.
In this embodiment, in step 104, the storage information of the base station configuration file includes: and the storage path, the file name, the login user name, the password and other information of the base station configuration file.
105. And the base station establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station.
In this embodiment, in step 101, the DHCP process adopts a Client/Server (C/S) mode, where the Client plays a leading role in the DHCP process, the Client must actively initiate the DHCP process, and the Server passively responds. In this embodiment, the base station serves as a client.
The DHCP process is divided into two phases, specifically described as a first phase and a second phase as follows:
the first stage is as follows: also called discovery phase, i.e. the phase in which the base station looks for a DHCP server. The base station sends the DHCP discover information in a broadcast manner to find the DHCP server, i.e., sends specific broadcast information to the address 255.255.255.255. The DHCP server receives the DHCP discover information and responds.
And a second stage: also called provisioning phase, i.e. the phase in which the DHCP server provisions the IP address. The DHCP server receives the DHCP discover information and makes a response, specifically: the DHCP server selects one of IP addresses that have not been leased to be allocated to the base station, and transmits DHCP offer (offer) information, i.e., DHCP offer information, including the leased IP address or the permanent IP address and other settings to the base station to inform the DHCP client that it can use the IP address it provides. The IP address is an OM channel IP address.
It can be seen that, in this embodiment, after the base station is accessed to the network, local transmission parameter and wireless parameter configuration are not required, the base station automatically allocates an OM channel IP address of the base station by using a DHCP server through the DHCP, and after the base station acquires an OM channel IP address belonging to the base station, the base station initiates an FTP process by using the OM channel IP address, acquires a base station configuration file of the base station from the DHCP server, that is, a base station transmission parameter configuration file, and establishes transmission with the RNC by using transmission parameters in the configuration file.
Compared with the prior art, the method for blind start of the base station disclosed in this embodiment deploys a centralized dynamic host configuration protocol DHCP server in the RAN, and each radio network controller RNC included in the RAN does not open the DHCP function, so as to solve the problems that in the existing base station blind start technology, when the number of base stations in the network is large and there are many RNCs that open the DHCP service function, a large amount of data interaction is generated, the network overhead is increased rapidly, and even a network storm is caused.
In a specific example, considering transmission evolution of an operator at present, a Transport Network mainly adopts a Packet Transport Network (PTN) networking mode, and when a layer two PTN Transport Network device is networked, a certain physical port of an RNC is connected with a plurality of base stations through a Virtual Local Area Network (VLAN) aggregation mode.
In this embodiment, when a transport network networking mode of the base station, each RNC in the RAN, and the DHCP server is PTN, before the base station initiates a DHCP process in step 101 shown in fig. 1, the method for blindly starting a base station disclosed in this embodiment further includes steps 100 and 100' not shown in fig. 1:
100. after a base station is accessed into a RAN through a PTN access device connected with the base station, a first Address Resolution Protocol (ARP) message sent by the DHCP server is monitored on each interface of the base station.
100' and after monitoring the first ARP message, the base station acquires a virtual local area network identity (VLAN ID) carried in the first ARP message.
In this embodiment, the DHCP server is configured with a VLAN information table in advance, and the VLAN information table includes the ID of each VLAN and the RNC information included in each VLAN. The DHCP server broadcasts a first ARP message carrying VLAN IDs periodically, and different VLAN IDs correspond to different first ARP messages.
In this embodiment, in step 100, the PTN access device connected to the base station may filter each first ARP message. When the VLAN ID carried in a certain first ARP message is the same as the VLAN ID of the port of the PTN access equipment connected with the base station, the first ARP message can successfully reach the base station, and other first ARP messages are discarded due to different VLAN IDs, so that the base station learns the VLAN ID belonging to the base station.
Correspondingly, in this embodiment, the base station initiates a DHCP process in step 101 shown in fig. 1, which specifically includes: and the base station initiates a DHCP process carrying the VLAN ID information, namely, the base station sends the DHCP discover information carrying the VLAN ID information in a broadcasting mode to search a DHCP server.
In a specific example two, in step 105 shown in fig. 1 in this embodiment, the establishing, by the base station, a connection with an RNC in the RAN based on the base station profile specifically includes the following steps 1051 to 1054 not shown in fig. 1:
1051. and the base station broadcasts a second ARP message to each RNC in the RAN based on the base station configuration file, wherein the second ARP message is used for requesting interface Media Access Control (MAC) address information of each RNC in the RAN.
In this embodiment, in step 1051, after obtaining the configuration file of the base station, the base station updates its transmission configuration parameter by using the transmission parameter in the configuration file, and broadcasts a second ARP message to each RNC in the RAN by using the transmission configuration parameter, so as to obtain interface MAC address information of each RNC in the RAN.
1052. And the base station acquires the interface MAC address information of the target RNC carried in the first response message in the received response messages fed back by the RNCs.
1053. And the base station sends a message carrying the MAC address information of the base station to the target RNC so that the target RNC can acquire the MAC address information of the base station.
Of course, the interface of each RNC in the RAN may also initiate an ARP request procedure to obtain the MAC address information of the base station. At this time, the base station only sends a message carrying the MAC address information of the base station to the target RNC.
1054. And the base station initiates a Stream Control Transmission Protocol (SCTP) coupling to the target RNC based on the interface MAC address information of the target RNC.
Of course, SCTP association can also be initiated by the target RNC.
It can be seen that, in the method for blind-starting a base station disclosed in this embodiment, after obtaining a configuration file of the base station, the base station updates its transmission configuration parameter by using a transmission parameter in the configuration file, and broadcasts a second ARP message to each RNC in the RAN by using the transmission configuration parameter, so as to obtain MAC address information of a target RNC interface. And the target RNC interface can also initiate an ARP request process to acquire the MAC address of the base station, and the target RNC can initiate SCTP coupling after success.
In a specific example three, considering the transmission evolution of the current operator, the transmission network mainly adopts a PTN networking mode, and when the layer two PTN transmission network device is networked, a certain physical port of the RNC is connected with a plurality of base stations in a VLAN aggregation mode.
Based on the above specific example one, in this embodiment, when the transport network networking method of the base station, each RNC in the RAN, and the DHCP server is PTN, the step 105 shown in fig. 1 includes that the base station establishes a connection with the RNC in the RAN based on the base station configuration file, and specifically includes steps 1051 'to 1054' not shown in fig. 1:
1051' and the base station broadcasts a third ARP message to the VLAN corresponding to the VLAN ID based on the configuration file of the base station, wherein the third ARP message is used for requesting interface MAC address information of each RNC in the VLAN.
In this embodiment, in step 1051', after obtaining the configuration file of the base station, the base station updates its own transmission configuration parameter by using the transmission parameter in the configuration file, and broadcasts the third ARP message to the VLAN corresponding to the VLAN ID by using the transmission configuration parameter, so as to obtain the interface MAC address information of each RNC in the VLAN corresponding to the VLAN ID.
1052' the base station obtains the interface MAC address information of the target RNC carried in the first response message in the response messages fed back by each RNC.
1053' and the base station send the message carrying the MAC address information of the base station to the target RNC, so that the target RNC can obtain the MAC address information of the base station.
Of course, the interface of each RNC in the VLAN corresponding to the VLAN ID may also initiate an ARP request process to obtain the MAC address information of the base station. At this time, the base station only sends a message carrying the MAC address information of the base station to the target RNC.
1054' and the base station initiate SCTP coupling to the target RNC based on the interface MAC address information of the target RNC.
Of course, SCTP association can also be initiated by the target RNC.
It can be seen that in the method for blind start of a base station disclosed in this embodiment, after obtaining a configuration file of the base station, the base station updates its own transmission configuration parameter by using a transmission parameter in the configuration file, and broadcasts a third ARP message to a VLAN corresponding to the VLAN ID by using the transmission configuration parameter, so as to obtain interface MAC address information of each RNC in the VLAN corresponding to the VLAN ID. And the target RNC interface can also initiate an ARP request process to acquire the MAC address of the base station, and the target RNC can initiate SCTP coupling after success.
It can be seen that, with the method for blind start of a base station disclosed in each of the embodiments, by deploying a centralized DHCP server in a radio access network RAN, and not opening a DHCP function by each radio network controller RNC included in the RAN, the problems that in the existing blind start technology of a base station, when the number of base stations in a network is large and there are many RNCs opening a DHCP service function, a large amount of data interaction occurs, network overhead is increased, and even a network storm is caused are solved.
Further, the method for blind start of a base station disclosed in each of the above embodiments solves the problem that in the prior art, each host installed with a TCP/IP protocol on a network receives broadcast information, and the system overhead of processing is increased for the host of each network node.
As shown in fig. 2, the present embodiment discloses a base station. A centralized DHCP server is deployed in the RAN, and each radio network controller RNC included in the RAN does not open a DHCP function, and the base station includes the following units: a first initiating unit 21, a second initiating unit 22, a sending unit 23, an obtaining unit 24 and a connection establishing unit 25. The units are specifically described as follows:
the first initiating unit 21 is configured to initiate a DHCP process to receive an operation and maintenance OM channel IP address allocated by the DHCP server.
And a second initiating unit 22, configured to initiate an OM channel establishing process with the base station identity EID information to the DHCP server based on the OM channel IP address, so as to establish an OM channel with the DHCP server.
The sending unit 23 is configured to send a base station configuration file request message to the DHCP server through the OM channel to receive a response message of the DHCP server, and extract storage information of the base station configuration file carried in the response message.
An obtaining unit 24, configured to obtain the base station profile based on the storage information of the base station profile.
And a connection establishing unit 25, configured to establish a connection with the RNC in the RAN based on the base station configuration file, so as to implement blind start of the base station.
The base station disclosed in this embodiment can implement the method flow for blind start of the base station shown in fig. 1, and therefore, the effect and description of the base station in this embodiment can refer to the method embodiment shown in fig. 1, which is not described herein again.
As shown in fig. 3, the present embodiment discloses a method for blind start of a base station, where an execution subject of the method is a centralized DHCP server. A centralized DHCP server is deployed in a radio access network RAN, and each radio network controller RNC contained in the RAN does not start a DHCP function; the method comprises the following steps 301-303:
301. and the DHCP server allocates an OM channel IP address to the base station through a DHCP process initiated by the base station.
302. And the DHCP server establishes an OM channel with the base station through an OM channel establishing process which is initiated by the base station based on the IP address of the OM channel and carries EID information.
303. And the DHCP server receives a base station configuration file request message sent by the base station through the OM channel, sends a response message carrying storage information of a base station configuration file to the base station so that the base station acquires the base station configuration file based on the storage information of the base station configuration file, and establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station.
In the method for blind start of a base station disclosed in this embodiment, a centralized DHCP server is used as an execution main body, and interaction between the centralized DHCP server and the execution main body shown in fig. 1 and the base station shown in fig. 2 is described.
In a specific example four, when a transport network networking manner of a base station, each RNC in a RAN, and a DHCP server is PTN, the base station accesses to the RAN through a packet transport network PTN access device connected to the base station, and before an operation and maintenance OM channel IP address is allocated to the base station by the DHCP server through a DHCP process initiated by the base station in step 301 shown in fig. 3, the method for blindly starting a base station disclosed in this embodiment further includes the following step 300 not shown in fig. 3:
300. the DHCP server sends a first Address Resolution Protocol (ARP) message to the base station so that the base station monitors the first ARP message on each interface of the base station; the first ARP message carries a virtual local area network identity (VLAN ID).
Correspondingly, in step 301 shown in fig. 3, the DHCP server allocates an OM channel IP address to the base station through a DHCP process initiated by the base station, specifically: and the DHCP server allocates an OM channel IP address to the base station through a DHCP process which is initiated by the base station and carries the VLAN ID information.
As shown in fig. 4, the present embodiment discloses a centralized DHCP server, where the centralized DHCP server is deployed in a radio access network RAN, and each radio network controller RNC included in the RAN does not start a DHCP function; the centralized DHCP server may include: an assigning unit 41, a establishing unit 42 and a communication unit 43. The specific description of each unit is as follows:
the allocating unit 41 is configured to allocate an operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station.
The establishing unit 42 is configured to establish an OM channel with the base station through an OM channel establishing process that is initiated by the base station based on the OM channel IP address and carries base station identity identification EID information.
A communication unit 43, configured to receive a base station configuration file request message sent by the base station through the OM channel, send a response message carrying storage information of a base station configuration file to the base station, so that the base station acquires the base station configuration file based on the storage information of the base station configuration file, and establish a connection with an RNC in the RAN based on the base station configuration file, thereby implementing blind start of the base station.
The DHCP server disclosed in this embodiment may implement the method flow for blind start of the base station shown in fig. 3, and therefore, the effect and description of the DHCP server in this embodiment may refer to the method embodiment shown in fig. 3, which is not described herein again.
In a specific example, in a fifth embodiment, when a transport network networking manner of the base station, each RNC in the RAN, and the DHCP server is PTN, the base station accesses to the RAN through a packet transport network PTN access device connected to the base station, and the centralized DHCP server shown in fig. 4 further includes a sending unit 40 not shown in fig. 4:
a sending unit 40, configured to send a first address resolution protocol, ARP, message to the base station, so that the base station monitors the first ARP message on each interface of the base station; the first ARP message carries a Virtual Local Area Network Identity (VLANID).
Correspondingly, the allocating unit 41 is configured to allocate an operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station and carrying the VLAN ID information.
Compared with the existing blind start scheme, the DHCP servers disclosed in the embodiments shown in fig. 3 and fig. 4 are centralized servers, that is, only one DHCP server is needed, and the requirements for engineering installation, construction, environment and the like are low, so that the deployment is convenient. Further, the centralized server is inexpensive to build. Further, the possibility of network storms is reduced, making the transport network more stable. Further, it is simpler and more convenient to build and maintain a large network, thereby reducing the cost of maintaining the network.
It will be appreciated by a person skilled in the art that the units of the embodiments may be combined into one unit and furthermore that they may be divided into a plurality of sub-units. All of the features disclosed in this specification, and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification may be replaced by an alternative feature serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A method for blind start of base station is characterized in that a centralized dynamic host configuration protocol DHCP server is deployed in a radio access network RAN, and each radio network controller RNC contained in the RAN does not start DHCP function; the method comprises the following steps:
the base station initiates a DHCP process to receive the operation and maintenance OM channel IP address distributed by the DHCP server;
the base station initiates an OM channel establishing process carrying base station identity identification (EID) information to the DHCP server based on the OM channel IP address so as to establish an OM channel with the DHCP server;
the base station sends a base station configuration file request message to the DHCP server through the OM channel so as to receive a response message of the DHCP server and extract the storage information of the base station configuration file carried in the response message;
the base station acquires the base station configuration file based on the storage information of the base station configuration file;
the base station establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station;
the base station establishing a connection with an RNC in the RAN based on the base station profile, including:
the base station broadcasts a second ARP message to each RNC in the RAN based on the base station configuration file, wherein the second ARP message is used for requesting interface Media Access Control (MAC) address information of each RNC in the RAN;
the base station acquires interface MAC address information of a target RNC carried in a first response message in response messages fed back by each RNC;
the base station sends a message carrying the MAC address information of the base station to the target RNC so that the target RNC can acquire the MAC address information of the base station;
and the base station initiates a Stream Control Transmission Protocol (SCTP) coupling to the target RNC based on the interface MAC address information of the target RNC.
2. The method of claim 1, wherein when the transport network networking mode of the base station, each RNC in the RAN, and the DHCP server is a Packet Transport Network (PTN), before the base station initiates a DHCP procedure, the method further comprises:
after a base station is accessed into RAN through packet transport network PTN access equipment connected with the base station, monitoring a first address resolution protocol ARP message sent by a DHCP server on each interface of the base station;
after monitoring the first ARP message, the base station acquires a virtual local area network identity (VLAN ID) carried in the first ARP message;
accordingly, the base station initiates a DHCP procedure, comprising:
and the base station initiates a DHCP process carrying the VLAN ID information.
3. The method of claim 2, wherein the base station establishes a connection with an RNC in the RAN based on the base station profile, comprising:
the base station broadcasts a third ARP message to the VLAN corresponding to the VLAN ID based on the base station configuration file, wherein the third ARP message is used for requesting interface MAC address information of each RNC in the VLAN;
the base station acquires interface MAC address information of a target RNC carried in a first response message in response messages fed back by each RNC;
the base station sends a message carrying the MAC address information of the base station to the target RNC so that the target RNC can acquire the MAC address information of the base station;
and the base station initiates a Stream Control Transmission Protocol (SCTP) coupling to the target RNC based on the interface MAC address information of the target RNC.
4. The method according to any one of claims 1 to 3, wherein the base station obtaining the base station profile based on the storage information of the base station profile comprises:
and the base station initiates a File Transfer Protocol (FTP) process based on the storage information of the base station configuration file to acquire the base station configuration file.
5. A base station, wherein a centralized dynamic host configuration protocol, DHCP, server is deployed in a radio access network, RAN, and a DHCP function is not enabled by radio network controllers, RNCs, included in the RAN, the base station comprising:
the first initiating unit is used for initiating a DHCP process so as to receive the operation and maintenance OM channel IP address distributed by the DHCP server;
a second initiating unit, configured to initiate an OM channel establishing process with base station identity identification EID information to the DHCP server based on the OM channel IP address, so as to establish an OM channel with the DHCP server;
a sending unit, configured to send a base station configuration file request message to the DHCP server through the OM channel, so as to receive a response message of the DHCP server, and extract storage information of a base station configuration file carried in the response message;
an obtaining unit, configured to obtain the base station configuration file based on storage information of the base station configuration file;
a connection establishing unit, configured to establish a connection with an RNC in the RAN based on the base station configuration file, so as to implement blind start of a base station;
wherein the connection establishing unit is specifically configured to:
broadcasting a second ARP message to each RNC in the RAN based on the base station configuration file, wherein the second ARP message is used for requesting interface Media Access Control (MAC) address information of each RNC in the RAN;
acquiring interface MAC address information of a target RNC carried in a first response message in response messages fed back by each RNC;
sending a message carrying the MAC address information of the base station to the target RNC so that the target RNC can acquire the MAC address information of the base station;
and initiating Stream Control Transmission Protocol (SCTP) coupling to the target RNC based on the interface MAC address information of the target RNC.
6. A method for blind start of base station is characterized in that a centralized dynamic host configuration protocol DHCP server is deployed in a radio access network RAN, and each radio network controller RNC contained in the RAN does not start DHCP function; the method comprises the following steps:
the DHCP server distributes an operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station;
the DHCP server establishes an OM channel with the base station through an OM channel establishing process which is initiated by the base station based on the IP address of the OM channel and carries base station identity identification (EID) information;
the DHCP server receives a base station configuration file request message sent by the base station through the OM channel, sends a response message carrying storage information of a base station configuration file to the base station so that the base station acquires the base station configuration file based on the storage information of the base station configuration file, and establishes connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station;
when a transport network networking mode of the base station, each RNC in the RAN, and the DHCP server is a packet transport network PTN, the base station accesses to the RAN through a packet transport network PTN access device connected to the base station, and the DHCP server allocates an operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station, the method further includes:
the DHCP server sends a first Address Resolution Protocol (ARP) message to the base station so that the base station monitors the first ARP message on each interface of the base station; the first ARP message carries a virtual local area network identity (VLAN ID);
correspondingly, the operation and maintenance OM channel IP address allocated to the base station by the DHCP server through a DHCP process initiated by the base station includes:
and the DHCP server distributes an operation and maintenance OM channel IP address to the base station through a DHCP process which is initiated by the base station and carries the VLAN ID information.
7. A centralized DHCP server is characterized in that the centralized DHCP server is deployed in a Radio Access Network (RAN), and each Radio Network Controller (RNC) contained in the RAN does not start a DHCP function; the centralized DHCP server includes:
the distribution unit is used for distributing the operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station;
the establishment unit is used for establishing an OM channel with the base station through an OM channel establishment process which is initiated by the base station based on the IP address of the OM channel and carries base station identity identification (EID) information;
the communication unit is used for receiving a base station configuration file request message sent by the base station through the OM channel, sending a response message carrying storage information of a base station configuration file to the base station so that the base station acquires the base station configuration file based on the storage information of the base station configuration file, and establishing connection with the RNC in the RAN based on the base station configuration file to realize blind start of the base station;
wherein, when the transport network networking mode of the base station, each RNC in the RAN and the DHCP server is packet transport network PTN, the base station is accessed to the RAN through a packet transport network PTN access device connected to the base station, and the centralized DHCP server further includes:
a sending unit, configured to send a first address resolution protocol, ARP, message to the base station, so that the base station monitors the first ARP message on each interface of the base station; the first ARP message carries a virtual local area network identity (VLAN ID);
correspondingly, the allocating unit is configured to allocate an operation and maintenance OM channel IP address to the base station through a DHCP process initiated by the base station and carrying the VLAN ID information.
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| CN111262955A (en) * | 2018-11-30 | 2020-06-09 | 华为技术有限公司 | Communication method and device |
| CN110677336A (en) * | 2019-09-02 | 2020-01-10 | 京信通信系统（中国）有限公司 | Station opening method and device, computer equipment and storage medium |
| CN112866309B (en) * | 2019-11-12 | 2022-10-04 | 大唐移动通信设备有限公司 | Communication method and device |
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