KR20040020518A - Method for auto allocation and setting of MAC address in CDMA2000 system - Google Patents

Abstract

PURPOSE: A method for automatically allocating and setting a MAC(Medium Access Control) address in a CDMA2000 system is provided to prevent a failure in an IP packet communication in mounting a new hardware in a system or replacing hardware of a slot with a different hardware by applying setting a single MAC address for each project, system, shelf and slot by software. CONSTITUTION: When a hardware is mounted or replaced in a standby state(ST11,ST12), a CPU(Central Processor Unit) reads each identifier(a project identifier, a system identifier, a shelf identifier and a slot identifier) by software(ST13). The CPU stores the identifiers in a storing unit of the hardware(ST14). The hardware is set(ST15). Different MAC addresses are set and automatically allocated to each slot(ST16).

Description

Method for auto allocation and setting of MAC address in CDMA2000 system}

The present invention automatically assigns a MAC address in a CDMA2000 system that can automatically assign a MAC address to hardware capable of transmitting and receiving IP (Internet Protocol) packets in a system capable of performing IP communication, such as in a CDMA2000 system or an ATM switch. And a setting method, and more specifically, product identifiers (projects, systems, shelves, slots) are divided into three of six bytes of the MAC address in a systematic manner, and each hardware is mounted to initialize the hardware. The present invention relates to a method of automatically allocating and configuring MAC addresses in a CDMA2000 system that can be applied to hardware by software by reading each delimiter and setting a single MAC address for each project, system, shelf, and slot.

In general, in recent systems including the CDMA2000 (Code Division Multiple Access 2000) system, the Internet Protocol (IP) communication is designed to be possible. In such a system, a plurality of hardware types are set, and even in the case of the same hardware, The dog will be mounted on the system.

Meanwhile, conventionally, after arbitrarily setting a medium access control layer (hereinafter referred to as "MAC") address and an IP address in each of a plurality of pieces of hardware, a storage space of hardware requiring IP communication, that is, a flash memory. And the above-mentioned address is stored in a nonvolatile memory including an EEPROM and the like. In this case, when there are a plurality of different hardware types or the same hardware, the operator manually inputs and uses them manually to have different MAC addresses and IP addresses corresponding to the respective hardware.

Therefore, it is very difficult to manage the operation of the MAC address and the IP address smoothly. As a result, the MAC address and the IP address set in each hardware may be added with the same MAC address and IP address due to an operator's mistake. In addition, in the above case, the same MAC address and IP address may overlap.

As described above, when the MAC address and the IP address overlap, a collision occurs at each other's address. At this time, only one of the addresses can communicate, and the rest does not perform the IP communication itself. It was. In addition, since each operator has to manually enter a number of each type of hardware, it is not only cumbersome, but also caused various problems.

In addition, each piece of hardware can be used in derivatives of the CDMA2000 system. The same type of hardware can be mounted on different shelves or in different slots of the same system, or a hardware failure can be replaced by the same piece of hardware. .

At this time, because each hardware is applied with a different single MAC address, when the IP communication is performed on the hardware applied to the system at the time of initial setting with another system or other hardware, the other hardware communicating with the corresponding hardware communicates. IPC communication is performed by storing MAC address and IP address of the performing party.

Therefore, when the hardware is changed to other hardware having a different MAC address during communication, the hardware cannot receive the IP packet transmitted by the other party, which causes a disconnection of the communication.

At this time, if the hardware sends an IP packet with the corresponding MAC address and IP address to the other side, IP packet communication with the other side becomes possible, which stores the MAC address in the Ethernet frame of the IP packet received from the other side. Because it is remembered in space.

As described above, when the MAC address is changed on one side and the other side performing IP communication with each other, serious IP packet loss occurs when the changed side does not transmit the newly changed IP packet. A problem occurred.

Accordingly, the present invention is proposed to solve the above problems of the prior art,

An object of the present invention is to divide the product identifiers (projects, systems, shelves, slots) into three of the six bytes of the MAC address systematically divided, and to read each of the above separators when the hardware is mounted to initialize the hardware By applying software to hardware to set a single MAC address for each project, system, shelf, and slot, IP packet communication is possible even when new hardware is mounted on the system or the hardware of the corresponding slot is replaced with other hardware. The present invention provides a method for automatically allocating and configuring MAC addresses in a CDMA2000 system that can prevent a failure in a network.

The present invention for achieving the above object,

The upper 3 bytes of the 6 bytes of the MAC address input the manufacturer's unique number, and the remaining 3 bytes allocate the manufacturer's product number, and the product number indicates the manufacturer's product identifier for each bit field (project identifier, MAC address system is configured by subdividing into system separator, shelf separator, slot separator).

In addition, the software MAC address setting method of the present invention for achieving the above object,

When the hardware is mounted or replaced in the standby state, reading each delimiter (project delimiter, system delimiter, shelf delimiter, slot delimiter) in software from the central processing unit,

Storing each read separator in hardware storage;

Setting the hardware after the storing;

After the hardware configuration, each method is characterized in that the configuration of the method consists of setting and automatically assigning a different MAC address to each slot.

1 is a diagram illustrating a MAC address system in a CDMA2000 system according to the present invention;

2 is a flowchart illustrating a software MAC address setting process in a CDMA2000 system according to the present invention;

3 is a flowchart illustrating a process of calculating a MAC address according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100 ..... First area (manufacturer's unique number)

200 ..... Second area (product number)

220 ..... 8-bit project separator

230 ..... 4-bit system identifier

240 ..... 3-bit shelf delimiter

250 ..... 5-bit slot delimiter

Hereinafter, a preferred embodiment of the "MAC address automatic allocation and setting method in the CDMA2000 system" according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a MAC address system in a CDMA2000 system according to the present invention.

Typically, CDMA2000 systems have a project separator, a system separator, a shelf separator, and a slot separator.

In the present invention, the MAC address system is configured by using each of the above separators as MAC addresses, and the configuration is as follows.

That is, as shown in Figure 1, the MAC address according to the present invention is composed of 6 bytes (Byte), where the upper 3 bytes of the first area 100 is the manufacturer unique number is input, the remaining 3 bytes The second region 200 is used as a product separator of the manufacturer.

Here, the manufacturer unique number assigned to the first region 100 is assigned a unique manufacturer number from an international organization, and the product number assigned to the second region 200 is represented by each bit as shown in FIG. 1. Separate by field.

In other words, as shown in FIG. 1, a reserved 4-bit 210, an 8-bit project delimiter 220, a 4-bit system delimiter 230, a 3-bit shelf delimiter 240, Each is divided into 5-bit slot separators 250.

Here, the reserved 4 bits 210 are allocated to prepare for the unexpected that may occur later.

The 8-bit project delimiter 220 is a delimiter for different projects to be created by the manufacturer continues to develop the product, the 4-bit system delimiter 230 is a component of the CDMA2000 system, that is, the base station, the control station, the switching station And a 3-bit shelf delimiter 240 is a delimiter for the maximum possible number of shelves for each system component. Finally, the 5-bit slot delimiter 250 is used in each shelf. As a delimiter for the maximum number of hardware that can be mounted in, a bit field is assigned to the maximum number of hardware that can be mounted in each shelf.

In addition, since all hardware for performing IP packet communication must include a central processing unit, when the hardware of any kind is mounted in a specific project, system, shelf, and slot, the delimiter in the central processing unit is software-based. Read.

Of course, the manufacturer number is a unique number, so the central processing unit has a value already defined. The central processing unit reads each delimiter and stores it in the storage device of the hardware, and if the hardware is set, each slot has a different MAC address, which can solve the problem of the conventional method.

Looking at the flow with reference to Figure 2 attached to the above process as follows.

2 is a flowchart illustrating a software MAC address setting process in the CDMA2000 system according to the present invention.

As shown in the figure, when the hardware is mounted or replaced in the standby state (ST11) (ST12), the central processing unit reads each separator (project separator, system separator, shelf separator, slot separator) in software. Step ST13, storing the read separators in a storage device of hardware (ST14), setting the hardware after the storing, and setting the hardware (ST15), and after setting the hardware, respectively in each slot A step of setting and automatically allocating another MAC address is made (ST16).

Here, the project separator and system separator are defined in software, and the shelf and slot separators must be supported in hardware.

Therefore, in the process of initializing the hardware by mounting the central processing unit of the hardware for IP packet communication in the shelf, the project delimiter 220 and the system delimiter 230 are added to the shelf delimiter 240 and the slot. The registers supported by the delimiter 250 in hardware are added back together with the values read by the central processing unit and the values previously defined in software, i.e., the project and system delimiters, plus the manufacturer's unique number. The result is a single MAC address.

In this case, the value obtained above, that is, the MAC address may be written in the MAC address register of the Ethernet port.

The process of obtaining the MAC address will now be described with reference to FIG. 3.

3 is a flowchart illustrating a process of calculating a MAC address according to the present invention.

As shown therein, in the hardware initialization process (ST101), adding a project separator and a system separator (ST102), and after the addition, the central processing unit supports the shelf separator and the slot separator in the calculated value in hardware. Adding the read value to the register (ST103), adding the manufacturer's unique number to the calculated value (ST104), and after the addition, obtaining a single MAC address using the calculated value. (ST105) and applying to the MAC address register of the Ethernet port using the obtained MAC address (ST106).

On the other hand, CDMA2000 systems and ATM switches and their derivatives are physically connected via Ethernet to enable IP communication. In the CDMA2000 system, a plurality of hardware types and a plurality of identical hardware are provided.

In the present invention, each hardware has a single hardware address. When the MAC address for each hardware is mounted on the shelf of the system, the MAC address is automatically assigned and the fixed MAC address is assigned to the mounting slot. When mounted in a shelf or another slot, the MAC address is changed to compensate for the problem of dropping IP packet communication.

That is, the MAC address consists of 6 bytes, the upper 3 bytes of the manufacturer number are input, the remaining 3 bytes are used as the product identifier of the manufacturer, and the product identifier is systematically subdivided.

For example, three bytes are divided into a project separator, a system separator, a shelf separator, and a slot separator. When each hardware is mounted and hardware initialization is performed, the above separator is read and each single project, system, shelf, slot, etc. By applying the software to hardware to set the MAC address, the same MAC address is set to the slot even if any hardware is mounted in the system, so that the same MAC address can be applied even if the hardware of the slot is replaced with other hardware. By doing so, it is possible to prevent a failure in IP packet communication.

As described above, the present invention can be applied to any system capable of IP communication by automatically assigning MAC addresses to hardware capable of transmitting and receiving IP packets.

According to the above-described "method for automatically allocating and setting the MAC address in the CDMA2000 system", hardware capable of transmitting and receiving IP (Internet Protocol) packets in a system capable of performing IP communication, such as in a CDMA2000 system or an ATM switch. By assigning MAC address automatically, the MAC address according to the prior art is fixed in hardware, but due to the characteristic that it has many Ethernet ports like the system, it solves various problems caused by fixing MAC address in hardware. In addition, by enabling the software to be set as described above, it is possible to solve the trouble of having to set the MAC address differently for each hardware, thereby having the advantage of performing each setting efficiently.

Claims (4)

In the method of setting the MAC address in the CDMA2000 system, The upper 3 bytes of the 6 bytes of the MAC address input the manufacturer's unique number, and the remaining 3 bytes allocate the manufacturer's product number, and the product number indicates the manufacturer's product identifier for each bit field (project identifier, MAC address auto-assignment and setting method in CDMA2000 system, characterized by subdividing into system separator, shelf separator, slot separator). The method of claim 1, The project delimiter is a delimiter for different projects generated by the manufacturer continuously developing the product, the system delimiter is a delimiter for components (base station, control station, switching station, PDSN) of the CDMA2000 system, and the shelf delimiter A delimiter for the maximum possible number of shelves for each system component, wherein the slot delimiter is a delimiter for the maximum number of hardware that can be mounted within each shelf, the maximum of which hardware can be mounted within each shelf. The method of automatically allocating and setting a MAC address in a CDMA2000 system, wherein the number of bits is assigned to a bit field. A software MAC address setting method in a CDMA2000 system, Software-reading each delimiter (project delimiter, system delimiter, shelf delimiter, slot delimiter) in the central processing unit when the hardware is mounted or replaced in the standby state; Storing each read separator in a storage device of hardware; And after setting the hardware, setting and automatically assigning different MAC addresses to respective slots, and automatically assigning and setting MAC addresses in the CDMA2000 system. The method of claim 3, wherein the MAC address, Adding a project delimiter and a system delimiter in a hardware initialization process; And after the addition, the CPU adds the shelf delimiter and the slot delimiter to the values read from the registers supported by the hardware. Obtaining a single MAC address from the calculated value by adding the manufacturer's unique number to the calculated value; And assigning the MAC address to the Ethernet address MAC address register using the obtained MAC address.