CN109743413A - A kind of server node network ip address distribution method, device and server - Google Patents
A kind of server node network ip address distribution method, device and server Download PDFInfo
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Abstract
The invention discloses a kind of server node network ip address distribution methods, comprising: after system electrification, BMC reads analog electrical signal numerical value by preset interface；By analog electrical signal numerical value with prestore analog electrical signal and compared with IP address correspondence relationship information, determine the corresponding IP address of analog electrical signal numerical value；Configure IP address to the network ip address of BMC；After this method interior joint is connected with backboard, the only analog electrical signal numerical value by reading, it is assured that corresponding IP address, complete the distribution of server node network ip address, both the fixed ip address in BMC had not been needed, the digital signal for not needing to occupy multiple pins again determines IP address, it is only necessary to which a BMC interface can realize that server node network ip address is distributed, not only reliable and stable but also saving hardware resource；The invention also discloses a kind of server node network ip address distributor and servers, have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to server technology field, in particular to a kind of server node network ip address distribution method, dress
It sets and server.
Background technique
For server generally there are multiple nodes, server management system generally uses BMC (Baseboard Management
Controller, baseboard management controller) individual node is managed, using SMC (System Management
Controller, System Management Controller) entire server system is managed.SMC needs to collect from each BMC each single
The management data of node.Wherein, SMC is generally passed through interchanger and is connected on each BMC using network signal.Due to each network
Terminal all must have unique IP address (Internet Protocol, Internet protocol), to guarantee that network function is normal.
Therefore it needs to distribute IP address for each BMC in server.
Currently, general, there are two types of the methods for distributing IP address for BMC.The first be for each node burning it is different
BMC firmware fixes a unique ip address in each firmware for BMC.The disadvantages of this solution be IP address once it is determined that after not
Debugging is facilitated to modify, just in case will lead to IP address confusion there are node wrong plug position.Second scheme is each node
BMC selects multiple I/O pins as the ID number of oneself.Specifically, by the way that this multiple IO is arranged on the backboard being connected with node
Varying level defines the ID number of the slot position of each node, and BMC first reads the I/O state of this several pins after actuation, then root
The IP address of this node is determined according to the mapping table of predefined in firmware.The shortcomings that this method is with needing to calculate
Number of nodes increases, and I/O pin quantity required for each BMC module is consequently increased.Such as 3 I/O pins only can be with
ID is distributed for most 8 calculate nodes, 4 I/O pins can distribute ID for most 16 calculate nodes.This mistake not only taken up
More BMC module pins also implies that and needs to occupy more backplane connectors pins resources.
Summary of the invention
The object of the present invention is to provide a kind of server node network ip address distribution method, device and servers, can
Not only the distribution for completing each node BMC IP address in server Intranet that is reliable and stable but also saving resource.
In order to solve the above technical problems, the present invention provides a kind of server node network ip address distribution method, comprising:
After system electrification, BMC reads analog electrical signal numerical value by preset interface；
By the analog electrical signal numerical value with prestore analog electrical signal and compared with IP address correspondence relationship information, determine
The corresponding IP address of the analog electrical signal numerical value；
Configure the IP address to the network ip address of the BMC.
Optionally, the BMC reads analog electrical signal numerical value by preset interface, comprising:
BMC reads voltage magnitude by default ADC interface；Wherein, the voltage magnitude is the BMC and backboard partial pressure electricity
The connected obtained voltage value in road.
Optionally, by the analog electrical signal numerical value and analog electrical signal is prestored and IP address correspondence relationship information carries out pair
Than determining the corresponding IP address of the analog electrical signal numerical value, comprising:
Calculate separately the voltage magnitude with it is described prestore analog electrical signal with it is each pre- in IP address correspondence relationship information
If the difference of voltage magnitude；
If the difference is less than preset threshold, analog electrical signal and IP address correspondence relationship information are prestored using described, really
Determine the opposite IP address of the corresponding predeterminated voltage amplitude of the difference.
The present invention also provides a kind of server node network ip address distributors, comprising:
Read module, for after system electrification, BMC to read analog electrical signal numerical value by preset interface；
IP address determining module, for by the analog electrical signal numerical value with prestore analog electrical signal with IP address it is corresponding close
It is that information compares, determines the corresponding IP address of the analog electrical signal numerical value；
IP address configuration module, for configuring the IP address to the network ip address of the BMC.
Optionally, the read module includes:
Reading unit reads voltage magnitude by default ADC interface for BMC；Wherein, the voltage magnitude is described
The voltage value that BMC is connected with backboard bleeder circuit.
Optionally, the IP address determining module, comprising:
Difference computational unit, for calculate separately the voltage magnitude with described to prestore analog electrical signal corresponding with IP address
The difference of each predeterminated voltage amplitude in relation information；
IP address determination unit prestores analog electrical signal and IP using described if being less than preset threshold for the difference
Address correspondence relationship information determines the opposite IP address of the corresponding predeterminated voltage amplitude of the difference.
The present invention also provides a kind of servers, comprising: the node of backboard and preset quantity；Wherein, the backboard has more
The electric signal distributor circuit of a output port, an output port are connected with the preset interface of the BMC in a node；
The BMC reads analog electrical signal numerical value upon power-up of the system, by the preset interface；By the analog telecommunications
Number value with prestore analog electrical signal and compared with IP address correspondence relationship information, determine that the analog electrical signal numerical value is corresponding
IP address；Configure the IP address to the network ip address of the BMC.
Optionally, the electric signal distributor circuit is bleeder circuit.
Optionally, the bleeder circuit includes the partial pressure branch of power end, ground terminal and preset quantity；Wherein, each
The first end of the partial pressure branch is connected with the power supply, and second end is connected with the ground terminal；Each partial pressure branch packet
Containing two resistance；Wherein, first end of the first end of first resistor as the partial pressure branch, the of second end and second resistance
One end is connected, the second end of the second end of the second resistance as the partial pressure branch, and the first resistor and described the
An output port of the two resistance connected ends as the bleeder circuit.
Optionally, the bleeder circuit is series resistance bleeder circuit.
A kind of server node network ip address distribution method provided by the present invention, comprising: after system electrification, BMC
Analog electrical signal numerical value is read by preset interface；By analog electrical signal numerical value with prestore analog electrical signal with IP address it is corresponding close
It is that information compares, determines the corresponding IP address of analog electrical signal numerical value；Configure IP address to the network ip address of BMC.
As it can be seen that only passing through the analog electrical signal numerical value of reading after this method interior joint is connected with backboard, so that it may which determining should
The corresponding IP address of analog electrical signal numerical value completes the distribution of server node network ip address, does not both need to fix IP in BMC
Address, but the digital signal for not needing to occupy multiple pins determines IP address, it is only necessary to and a BMC interface can realize service
The distribution of device meshed network IP address, not only reliable and stable but also saving hardware resource；The present invention also provides a kind of server node nets
Network IP address distributor and server have above-mentioned beneficial effect, and details are not described herein.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart of server node network ip address distribution method provided by the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of server backplane bleeder circuit provided by the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another kind server backplane bleeder circuit provided by the embodiment of the present invention；
Fig. 4 is the structural block diagram of server node network ip address distributor provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Currently, being that the BMC of each node selects multiple I/O pins as the ID number of oneself in the related technology.
Detailed process can be such that
1) BMC in node selects 5 I/O pins to be all set in node " 11111 ", 5 as 5 ID numbers of oneself
A I/O pin requires connect on signal backplane；Wherein, IO (input output, input/output).
2) signal backplane is defined the ID number of 20 nodes by increasing sequence, is set as " 00000 " in position 0, is set in position 1
It is set to " 00001 ", and so on；
3) when node is inserted into signal backplane, the ID number of oneself, each position have been determined that after 5 ID " mutually with " on both sides
There is unique number；
4) BMC defines a mapping table inside firmware in advance, and node ID number and IP address are corresponded, when
After BMC starting, the level state for reading 5 ID is first removed, according to acquired information automatic IP address allocation, such as reading information is
" 00000 ", then IP is automatically defined as " 172.168.0.1 ".
The shortcomings that this method is with needing increasing for calculate node quantity, I/O pin required for each BMC module
Quantity is consequently increased.This excessive BMC module pin not only taken up also implies that and needs to occupy more back panel connectors
Pin resource.Only it can realize that server node network ip address is distributed by a BMC interface in the present embodiment, it is both stable
Reliably, hardware resource is saved again.It is specific referring to FIG. 1, Fig. 1 is server node network IP provided by the embodiment of the present invention
The flow chart of location distribution method；This method may include:
S101, after system electrification, BMC pass through preset interface read analog electrical signal numerical value.
Server node network ip address point only can be realized by a BMC interface in order to realize in the present embodiment
Match, the corresponding IP address of each node is determined using analog electrical signal.Specifically, in the present embodiment for multiple node IPs
The problem of location is distributed completes the distribution of IP address by the way of sending an analog electrical signal to each node.With accounting for
The advantages of (only one interface) few with BMC interface quantity, saves BMC interface resource and connector pin resource.
The present embodiment reads signal in corresponding preset interface, is simulated after the completion of system electrification, BMC initialization
Electric signal numerical value.The present embodiment is not defined preset interface, because what is read in the present embodiment is analog signal,
The interface can be default ADC interface, wherein ADC (Analog-to-Digital Converter, analog-digital converter).This reality
It applies in example and also the type of analog electrical signal is not defined, such as can be voltage signal (such as voltage magnitude), be also possible to
Current value (such as current amplitude).Under normal circumstances, voltage signal values obtain more convenient, reliable.It is preferred, therefore, that BMC passes through
It may include: that BMC passes through default ADC interface reading voltage magnitude that preset interface, which reads analog electrical signal numerical value,；Wherein, voltage amplitude
Value is the voltage value that BMC is connected with backboard bleeder circuit.
Further, by needing to distribute IP address for each node in this present embodiment, therefore, it is necessary to guarantee that each node obtains
The voltage magnitude arrived is different.The voltage magnitude that the default ADC interface of i.e. each BMC is obtained from backboard is not identical.Backboard at this time
In can be set bleeder circuit, and then the voltage magnitude for guaranteeing that each BMC is read is not identical.
The concrete form of the bleeder circuit in backboard is not defined in the present embodiment, if may be implemented it is each with
The voltage magnitude that its connected BMC is obtained is different.Please refer to Fig. 2 and Fig. 3.This gives two kinds of partial pressure electricity
Road.The case where wherein Fig. 2 and Fig. 3 is by taking 4 nodes as an example, more nodes can analogize.
Wherein, partial pressure branch of the bleeder circuit comprising power end, ground terminal and preset quantity in Fig. 2；Wherein, Mei Gefen
The first end of pressure branch is connected with power supply, and second end is connected with ground terminal；Each partial pressure branch includes two resistance；Wherein, with
First partial pressure branch in Fig. 2 is described, first end of the first end of resistance 1 as partial pressure branch, second end and resistance 2
First end be connected, the second end of the second end of resistance 2 as partial pressure branch, and resistance 1 and 2 connected end of resistance are electric as partial pressure
One output port on road is connected with the default ADC interface of the BMC in node 1.Specifically, each BMC draws one on node
A interface signal (presets ADC interface such as from BMC and draws interface signal) for IP address distribution, this is signally attached to backboard
On.On backboard, 1 one end of resistance is connected on power supply, the other end is connected to resistance 2, and the other end of resistance 2 is connected to ground connection
End.The connected one end of resistance 1, resistance 2 is as output termination to default ADC connects in i.e. BMC on the interface signal of the BMC of node 1
In mouthful.The BMC interface signal is connect on node to the end ADC of BMC.That is, BMC can know the voltage of the interface signal
Amplitude.It should be noted that the power supply for connecting resistance on backboard will be same power supply with power supply used by BMC ADC.It is right
Interface signal between other nodes and backboard does similar processing.Not to the specific number of each resistance in the present embodiment
Value is defined.User can be configured according to actual node quantity.Each resistance selects appropriate resistance value, so that connecing to BMC
Partial pressure value on ADC is predeterminated voltage amplitude, and the corresponding predeterminated voltage amplitude of different nodes is different.For example, resistance 1 and electricity
2 partial pressure of resistance obtains 3V voltage output to node 1；Resistance 3 and the partial pressure of resistance 4 obtain 2.5V voltage output to node 2；5 He of resistance
The partial pressure of resistance 6 obtains 2V voltage output to node 3；Resistance 7 and the partial pressure of resistance 8 obtain 1.5V voltage output to node 4.
The bleeder circuit that Fig. 3 is provided is series resistance bleeder circuit.Resistance 1 is successively stringed together to resistance 5 and by two in Fig. 3
End is connected to power end and ground terminal.And the endpoint between each resistance is connected on the ADC interface of BMC as output end.Its
Middle resistance 1, resistance 5 can also be taken away, and the BMC ADC interface of corresponding node is directly connected to power supply and ground terminal.By multiple
Electric resistance partial pressure mode, that is, the ADC interface voltage magnitude that may make each BMC to read is different, so as to complete each node IP
The setting of address.Corresponding bleeder circuit is less compared to the voltage divider circuit Resistance dosage in Fig. 2 in Fig. 3, saves certain cost.
The different analog voltage of amplitude is sent to each node by the present embodiment dorsulum, as IP address distribution according to
According to.Backboard uses analog signal at this time, rather than digital signal.And then interface resource can be saved.
S102, by analog electrical signal numerical value with prestore analog electrical signal and IP address correspondence relationship information compares, really
Determine the corresponding IP address of analog electrical signal numerical value.
The analog electrical signal numerical value obtained in the present embodiment due to each node is not identical, can be each to prestore mould
Quasi- electric signal (i.e. standard prestores analog electrical signal) distributes an IP address, i.e. it is corresponding with IP address to prestore analog electrical signal for formation
Relation information can determine the mould that current BMC is obtained by the way that analog electrical signal numerical value to be compared with analog electrical signal is prestored
Analog electrical signal is prestored belonging to quasi- electric signal numerical value, and then is utilized and prestored analog electrical signal and IP address correspondence relationship information
It (not to prestoring analog electrical signal and the form of IP address correspondence relationship information is defined in the present embodiment, such as can be
Mapping table or form storage) it can determine the corresponding IP address of analog electrical signal numerical value.
Further, due to resistance, the presence of the components such as route and prestores mould at the analog electrical signal numerical value for causing BMC to obtain
Quasi- electric signal has certain error, and in order to be determined more accurately, analog electrical signal numerical value is corresponding to prestore analog electrical signal.This
Error range can be set in embodiment, when analog electrical signal numerical value meets sets requirement with the error for prestoring analog electrical signal, then
Think that the analog electrical signal numerical value prestores analog electrical signal with corresponding relationship with this, and then can determine and prestore simulation electricity with this
Signal has corresponding relationship IP address.Preferably, by analog electrical signal numerical value with prestore analog electrical signal with IP address it is corresponding close
It is that information compares, determines that the corresponding IP address of analog electrical signal numerical value may include:
It calculates separately voltage magnitude and prestores each predeterminated voltage width in analog electrical signal and IP address correspondence relationship information
The difference of value；
If difference, which is less than preset threshold, determines difference pair using analog electrical signal and IP address correspondence relationship information is prestored
The opposite IP address of the predeterminated voltage amplitude answered.
Wherein, it sets and prestores the analog electrical signal namely corresponding relationship of predeterminated voltage amplitude and IP address at this time.Example
As 3V corresponds to IP address 192.168.0.100；2.5V corresponds to IP address 192.168.0.101；2V corresponds to IP address
192.168.0.102；The 1.5V corresponding address 192.168.0.103. corresponding relationship list is stored in BMC firmware.This implementation
The specific value of preset threshold is not limited in example, such as can be 0.2V.
Specifically, system electrification, after the completion of BMC initialization, the voltage magnitude on corresponding A DC interface signal is read, and and
The predeterminated voltage amplitude in corresponding relationship list prestored is compared, when the voltage magnitude and a certain restored list actually read
On the difference of predeterminated voltage amplitude when being less than preset threshold, it is corresponding that own IP address is configured to the predeterminated voltage amplitude by BMC
IP address.For example, the preset threshold is illustrated by taking Fig. 2 as an example when being 0.2V.BMC on node 2 is read actual
Voltage magnitude is 2.38V, and BMC learns that its difference between predeterminated voltage amplitude 2.5V is 0.12V by comparing calculation, small
In 0.2V.So the address BMC of itself is arranged to the corresponding IP address 192.168.0.101 of 2.5V by the BMC.All nodes
BMC carries out the operation, i.e. the distribution of completion server node network ip address, and their IP address is different, completes
The requirement of system.
S103, the network ip address for configuring IP address to BMC.
The present embodiment is not defined the detailed process of BMC configuration IP address, can be with reference to behaviour in the related technology
Make.
Based on the above-mentioned technical proposal, server node network ip address distribution method provided in an embodiment of the present invention, the party
After BMC is connected with backboard in method interior joint, only pass through the analog electrical signal numerical value of reading, so that it may determine the analog telecommunications number
It is worth corresponding IP address, completes the distribution of server node network ip address, not only do not needed the fixed ip address in BMC, but also be not required to
The digital signal for occupying multiple pins determines IP address, it is only necessary to which a BMC interface can realize server node network
IP address distribution, not only reliable and stable but also saving hardware resource.
Server node network ip address distributor provided in an embodiment of the present invention and server are introduced below,
Server node network ip address distributor and server described below are with above-described server node network IP
Location distribution method can correspond to each other reference.
Referring to FIG. 4, Fig. 4 is the structure of server node network ip address distributor provided by the embodiment of the present invention
Block diagram；The apparatus may include:
Read module 100, for after system electrification, BMC to read analog electrical signal numerical value by preset interface；
IP address determining module 200, for by analog electrical signal numerical value with prestore analog electrical signal with IP address it is corresponding close
It is that information compares, determines the corresponding IP address of analog electrical signal numerical value；
IP address configuration module 300, for configuring IP address to the network ip address of BMC.
Based on the above embodiment, read module 100 may include:
Reading unit reads voltage magnitude by default ADC interface for BMC；Wherein, voltage magnitude is BMC and backboard
The connected obtained voltage value of bleeder circuit.
Based on the above embodiment, IP address determining module 200 may include:
Difference computational unit, for calculating separately voltage magnitude and prestoring analog electrical signal and IP address correspondence relationship information
In each predeterminated voltage amplitude difference；
IP address determination unit, it is corresponding with IP address using analog electrical signal is prestored if being less than preset threshold for difference
Relation information determines the opposite IP address of the corresponding predeterminated voltage amplitude of difference.
It should be noted that being based on above-mentioned any embodiment, device can be BMC.The programmable logic device can be
In the BMC of node.
The embodiment of the present invention also provides a kind of server, comprising: the node of backboard and preset quantity；Wherein, backboard has
The electric signal distributor circuit of multiple output ports, an output port are connected with the preset interface of the BMC in a node；
BMC reads analog electrical signal numerical value upon power-up of the system, by preset interface；By analog electrical signal numerical value with prestore
Analog electrical signal is compared with IP address correspondence relationship information, determines the corresponding IP address of analog electrical signal numerical value；By IP
Location is configured to the network ip address of BMC.
The concrete form of electric signal distributor circuit is not limited in the present embodiment, such as can be current dividing circuit,
It can be voltage distribution circuit.It is not also limited in the present embodiment, the quantity for the node that backboard can connect does not limit electric signal
The specific value of the output port of distributor circuit.Also the quantity for not limiting node in the present embodiment, i.e., do not limit preset quantity
Specific value.
Based on the above embodiment, electric signal distributor circuit can be bleeder circuit.
Based on the above embodiment, bleeder circuit may include the partial pressure branch of power end, ground terminal and preset quantity；Its
In, the first end of each partial pressure branch is connected with power supply, and second end is connected with ground terminal；Each partial pressure branch includes two electricity
Resistance；Wherein, first end of the first end of first resistor as partial pressure branch, second end are connected with the first end of second resistance, the
The second end of two resistance as partial pressure branch second end, and first resistor and second resistance connected end as bleeder circuit one
A output port.
The concrete form of bleeder circuit can refer to Fig. 2 in the present embodiment.
Based on the above embodiment, bleeder circuit can be series resistance bleeder circuit.The present embodiment does not limit series electrical
The concrete form for hindering bleeder circuit, can refer to Fig. 3.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
A kind of server node network ip address distribution method provided by the present invention, device and server are carried out above
It is discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of server node network ip address distribution method characterized by comprising
After system electrification, BMC reads analog electrical signal numerical value by preset interface；
By the analog electrical signal numerical value with prestore analog electrical signal and compared with IP address correspondence relationship information, determine described in
The corresponding IP address of analog electrical signal numerical value；
Configure the IP address to the network ip address of the BMC.
2. server node network ip address distribution method according to claim 1, which is characterized in that the BMC passes through
Preset interface reads analog electrical signal numerical value, comprising:
BMC reads voltage magnitude by default ADC interface；Wherein, the voltage magnitude is the BMC and backboard bleeder circuit phase
The voltage value got continuously.
3. server node network ip address distribution method according to claim 2, which is characterized in that by the simulation electricity
Signal numerical value with prestore analog electrical signal and compared with IP address correspondence relationship information, determine the analog electrical signal numerical value pair
The IP address answered, comprising:
It calculates separately the voltage magnitude and prestores each default electricity in analog electrical signal and IP address correspondence relationship information with described
The difference of pressure amplitude value；
If the difference is less than preset threshold, analog electrical signal and IP address correspondence relationship information are prestored using described, determines institute
State the opposite IP address of the corresponding predeterminated voltage amplitude of difference.
4. a kind of server node network ip address distributor characterized by comprising
Read module, for after system electrification, BMC to read analog electrical signal numerical value by preset interface；
IP address determining module, for by the analog electrical signal numerical value and prestoring analog electrical signal and IP address corresponding relationship and believing
Breath compares, and determines the corresponding IP address of the analog electrical signal numerical value；
IP address configuration module, for configuring the IP address to the network ip address of the BMC.
5. server node network ip address distributor according to claim 4, which is characterized in that the read module
Include:
Reading unit reads voltage magnitude by default ADC interface for BMC；Wherein, the voltage magnitude be the BMC with
The connected obtained voltage value of backboard bleeder circuit.
6. server node network ip address distributor according to claim 5, which is characterized in that the IP address is true
Cover half block, comprising:
Difference computational unit prestores analog electrical signal and IP address corresponding relationship with described for calculating separately the voltage magnitude
The difference of each predeterminated voltage amplitude in information；
IP address determination unit prestores analog electrical signal and IP address using described if being less than preset threshold for the difference
Correspondence relationship information determines the opposite IP address of the corresponding predeterminated voltage amplitude of the difference.
7. a kind of server characterized by comprising the node of backboard and preset quantity；Wherein, the backboard has multiple defeated
The electric signal distributor circuit of exit port, an output port are connected with the preset interface of the BMC in a node；
The BMC reads analog electrical signal numerical value upon power-up of the system, by the preset interface；By the analog telecommunications number
It is worth and prestores analog electrical signal and compared with IP address correspondence relationship information, determines the corresponding IP of the analog electrical signal numerical value
Address；Configure the IP address to the network ip address of the BMC.
8. server according to claim 7, which is characterized in that the electric signal distributor circuit is bleeder circuit.
9. server according to claim 8, which is characterized in that the bleeder circuit include power end, ground terminal and
The partial pressure branch of preset quantity；Wherein, the first end of each partial pressure branch is connected with the power supply, and second end connects with described
Ground terminal is connected；Each partial pressure branch includes two resistance；Wherein, the first end of first resistor is as the partial pressure branch
First end, second end are connected with the first end of second resistance, the second end of the second resistance as the partial pressure branch the
Two ends, and the output port of the first resistor and the second resistance connected end as the bleeder circuit.
10. server according to claim 8, which is characterized in that the bleeder circuit is series resistance bleeder circuit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114629877A (en) * | 2022-04-24 | 2022-06-14 | 深圳市雷能混合集成电路有限公司 | Pairing method and device for communication addresses between power supply module and power supply sub-modules |
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