CN106657433B - Naming method and device for physical network card in multi-network snap ring environment - Google Patents
Naming method and device for physical network card in multi-network snap ring environment Download PDFInfo
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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
- H04L61/30—Managing network names, e.g. use of aliases or nicknames
- H04L61/3015—Name registration, generation or assignment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/0816—Configuration setting characterised by the conditions triggering a change of settings the condition being an adaptation, e.g. in response to network events
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
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Abstract
The application discloses a naming method and a device of a physical network card under a multi-network-card environment, wherein the method comprises the following steps: after the operating system is installed, generating an original rule file containing the corresponding relation between the MAC address and the network card name, and placing the self-adaptive algorithm at a preset position; after the operating system is restarted, inquiring the original rule file, and returning a network card name corresponding to the MAC address of the current network card; and calling the self-adaptive algorithm to obtain and return the network card name for the network card of which the MAC address does not exist in the original rule file. The method and the device for naming the physical network card in the multi-network-card environment can self-adaptively name the network card, so that the network card names are kept consistent after being restarted, and the user can conveniently understand the network card names.
Description
Technical Field
The invention belongs to the technical field of computer networks, and particularly relates to a naming method and device of a physical network card in a multi-network-card environment.
Background
With the rapid development of computer technology, high-performance and high-stability computer systems are increasingly required for the development of economic society. This ensures communication stability by requiring multiple physical communication links in the computer system. At present, for the condition of a plurality of physical network cards, a traditional naming method is that MAC addresses and the network cards are named and correspond, and the same network card name as before can be obtained after the system is restarted, but the method can not effectively deal with the condition of newly adding and replacing the network cards; there is also a method for naming network card names based on the position of the network card on the mainboard, but the network card names of the method are obscure and are not easy to understand by users, and the method can not be widely applied to all network cards and computer mainboards.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a device for naming a physical network card in a multi-network snap ring environment, which can self-adaptively name the network card, keep the network card names consistent after continuous restart and facilitate the understanding of a user.
The invention provides a naming method of a physical network card under a multi-network-card environment, which comprises the following steps:
after the operating system is installed, generating an original rule file containing the corresponding relation between the MAC address and the network card name, and placing the self-adaptive algorithm at a preset position;
after the operating system is restarted, inquiring the original rule file, and returning a network card name corresponding to the MAC address of the current network card;
and calling the self-adaptive algorithm to obtain and return the network card name for the network card of which the MAC address does not exist in the original rule file.
Preferably, in the naming method of the physical network card in the multi-network card environment, after the calling the adaptive algorithm to obtain and return the network card name, the method further includes:
placing a script for updating the rule file in a self-starting rule or a self-starting folder of the operating system;
and after the restart is completed, calling the script of the updating rule file to update the original rule file.
Preferably, in the naming method of the physical network card in the multi-network card environment, the calling the adaptive algorithm to obtain and return the name of the network card for the network card whose MAC address does not exist in the original rule file includes:
traversing the network card name in the original rule file by using the self-adaptive algorithm;
inquiring whether the MAC address of a preset original network card in the original rule file exists in the current hardware environment, if not, judging that the network card of which the MAC address does not exist in the original rule file is a replacement network card, and endowing the network card name of the preset original network card to the network card of which the MAC address does not exist in the original rule file.
Preferably, in the naming method of the physical network card in the multi-network card environment, the calling the adaptive algorithm to obtain and return the network card name for the network card whose MAC address does not exist in the original rule file further includes:
and when finding that the MAC addresses of all original network cards in the original rule file exist in the current hardware environment after traversing is finished, judging that the network card of which the MAC address does not exist in the original rule file is a newly added network card, and naming the network card of which the MAC address does not exist in the original rule file as eth-N, wherein N is the total number of the network cards in the current hardware environment.
Preferably, in the naming method of the physical network card in the multi-network card environment, the invoking of the script of the update rule file includes:
comparing an old rule with a new rule, and if the old rule is the same as the new rule, not changing;
if the new rule is obtained by newly adding a network card, the new rule is directly added;
and if the new rule is obtained by replacing the network card, adding the new rule and deleting the corresponding old rule.
The invention provides a naming device of a physical network card under a multi-network-card environment, which comprises:
the generating unit is used for generating an original rule file containing the corresponding relation between the MAC address and the network card name after the installation of the operating system is finished, and placing the self-adaptive algorithm at a preset position;
the first returning unit is used for inquiring the original rule file after restarting the operating system and returning the network card name corresponding to the MAC address of the current network card;
and the second returning unit is used for calling the self-adaptive algorithm to obtain and return the network card name for the network card of which the MAC address does not exist in the original rule file.
Preferably, the naming device of the physical network card in the multi-network card environment further includes:
the placing unit is used for placing the script for updating the rule file in a self-starting rule or a self-starting folder of the operating system;
and the updating unit is used for calling the script of the updating rule file after the restart is completed, and updating the original rule file.
Preferably, in the naming device for a physical network card in the multi-network card environment, the second returning unit is specifically configured to:
traversing the network card name in the original rule file by using the self-adaptive algorithm;
inquiring whether the MAC address of a preset original network card in the original rule file exists in the current hardware environment, if not, judging that the network card of which the MAC address does not exist in the original rule file is a replacement network card, and endowing the network card name of the preset original network card to the network card of which the MAC address does not exist in the original rule file.
Preferably, in the naming device for a physical network card in the multi-network card environment, the second returning unit is specifically configured to:
and when finding that the MAC addresses of all original network cards in the original rule file exist in the current hardware environment after traversing is finished, judging that the network card of which the MAC address does not exist in the original rule file is a newly added network card, and naming the network card of which the MAC address does not exist in the original rule file as eth-N, wherein N is the total number of the network cards in the current hardware environment.
Preferably, in the naming apparatus for a physical network card in the multi-network card environment, the updating unit includes:
a comparison component for comparing an old rule with a new rule, and if the old rule is the same as the new rule, not changing;
the first updating component is used for directly adding the new rule if the new rule is obtained by newly adding a network card;
and the second updating component is used for adding the new rule and deleting the corresponding old rule if the new rule is obtained by replacing the network card.
As can be seen from the above description, the method and apparatus for naming a physical network card in the multi-network card environment provided by the present invention includes: after the operating system is installed, generating an original rule file containing the corresponding relation between the MAC address and the network card name, and placing the self-adaptive algorithm at a preset position; after the operating system is restarted, inquiring the original rule file, and returning a network card name corresponding to the MAC address of the current network card; and for the network card with the MAC address not existing in the original rule file, calling the self-adaptive algorithm to obtain and return the network card name, so that the network card can be named in a self-adaptive manner, the network card name is kept consistent after the network card is restarted continuously, and the network card name is convenient for a user to understand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a first method for naming a physical network card in a multi-network-ring environment according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a naming apparatus of a physical network card in a multi-network ring environment according to an embodiment of the present application.
Detailed Description
The core idea of the invention is to provide a method and a device for naming a physical network card in a multi-network snap ring environment, which can self-adaptively name the network card, so that the network card names are kept consistent after being restarted and are convenient for a user to understand.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a first method for naming a physical network card in a multi-network environment according to an embodiment of the present application, where fig. 1 is a schematic diagram of the first method for naming a physical network card in a multi-network environment according to an embodiment of the present application. The method comprises the following steps:
s1: after the operating system is installed, generating an original rule file containing the corresponding relation between the MAC address and the network card name, and placing the self-adaptive algorithm at a preset position;
specifically, a reliable network card naming rule can be established by using a Udev module and a rule file of the Linux system, a network card name is obtained when a network card is replaced or newly added according to a self-adaptive algorithm, a Udev rule file is automatically generated by an operating system installation program after the operating system is installed, and the self-adaptive algorithm is placed at a proper position for calling the Udev rule file.
S2: after the operating system is restarted, inquiring the original rule file, and returning a network card name corresponding to the MAC address of the current network card;
specifically, after the restart, the operating system may use the udev rule file to match information such as the network card MAC address, and name the network card.
S3: and calling the self-adaptive algorithm to obtain and return the network card name for the network card of which the MAC address does not exist in the original rule file.
That is, under the condition of adding a network card or replacing the network card, the self-adaptive algorithm is called to obtain the network card name.
The network card naming mode is more convenient for users to understand, can store the network card names, enables the network card names to be consistent after being continuously restarted, and can also carry out network card naming in a self-adaptive mode when a network card is newly added or replaced, and the network card naming is kept uniform.
As can be seen from the above description, the first naming method for a physical network card in a multi-network ring environment provided in the embodiment of the present application includes: after the operating system is installed, generating an original rule file containing the corresponding relation between the MAC address and the network card name, and placing the self-adaptive algorithm at a preset position; after the operating system is restarted, inquiring the original rule file, and returning a network card name corresponding to the MAC address of the current network card; and for the network card with the MAC address not existing in the original rule file, calling the self-adaptive algorithm to obtain and return the network card name, so that the network card can be named in a self-adaptive manner, the network card name is kept consistent after the network card is restarted continuously, and the network card name is convenient for a user to understand.
The second naming method for the physical network card in the multi-network snap ring environment provided by the embodiment of the application is based on the naming method for the physical network card in the first multi-network snap ring environment, and further comprises the following technical characteristics:
after the calling the adaptive algorithm to obtain and return the network card name, the method further comprises the following steps:
placing a script for updating the rule file in a self-starting rule or a self-starting folder of the operating system;
and after the restart is completed, calling the script of the updating rule file to update the original rule file.
Specifically, the network card name is solidified by using an algorithm for updating the rule file, and the network card name is kept unchanged when the network card is started next time.
The third naming method for a physical network card in a multi-network-card environment provided by the embodiment of the present application is based on the naming method for a physical network card in the second multi-network-card environment, and further includes the following technical features: the step of calling the adaptive algorithm to obtain and return the network card name for the network card with the MAC address not existing in the original rule file comprises the following steps:
traversing the network card name in the original rule file by using the self-adaptive algorithm;
inquiring whether the MAC address of a preset original network card in the original rule file exists in the current hardware environment, if not, judging that the network card of which the MAC address does not exist in the original rule file is a replacement network card, and endowing the network card name of the preset original network card to the network card of which the MAC address does not exist in the original rule file.
It should be noted that the adaptive algorithm can determine the situation of network card replacement, and name the network card name of the replaced network card directly to the new network card after replacement, so that the habit and expectation of the user for network card naming can be met, and confusion of the user can not be caused.
The naming method of the physical network card in the fourth multi-network-card environment provided in the embodiment of the present application is based on the naming method of the physical network card in the third multi-network-card environment, and further includes the following technical features: the step of calling the adaptive algorithm to obtain and return the network card name for the network card with the MAC address not existing in the original rule file further comprises:
and when finding that the MAC addresses of all original network cards in the original rule file exist in the current hardware environment after traversing is finished, judging that the network card of which the MAC address does not exist in the original rule file is a newly added network card, and naming the network card of which the MAC address does not exist in the original rule file as eth-N, wherein N is the total number of the network cards in the current hardware environment.
It should be noted that, in this case, all original network cards exist in a hardware environment, and are not reduced, the network card whose MAC address does not exist in the original rule file is the newly added network card, and is named eth-N, which not only ensures that the network card name is not duplicated with the network card names of other network cards, but also better conforms to the naming habit of the user, and the naming mode is simple, so that no trouble is brought to the user.
The fifth naming method for the physical network card in the multi-network-card environment provided by the embodiment of the application is based on the naming method for the physical network card in the fourth multi-network-card environment, and further includes the following technical features: the script for calling the update rule file comprises:
comparing an old rule with a new rule, if the old rule is the same as the new rule, not changing, namely, the network card replacement or new addition does not occur, and the change is not needed;
if the new rule is obtained by newly adding a network card, the new rule is directly added, that is, for the newly added network card, a new network card name exists, the new corresponding relation needs to be added, and the network card can be identified after the system is restarted next time;
if the new rule is obtained by replacing the network card, the new rule is added, the corresponding old rule is deleted, under the condition, the corresponding relation between the MAC address of the previous network card and the network card name is deleted, and the corresponding relation between the MAC address of the network card after replacement and the network card name is added, so that the network card can be identified after the system is restarted next time.
Taking the CentOS7 system as an example, but not limited to the CentOS7 system, other Linux operating system embodiments may also be implemented as follows:
firstly, modifying an installation file of a CentOS7 system, adding a self-adaptive algorithm file, and putting the self-adaptive algorithm file into a/usr/bin/directory;
then, adding entries in rule files such as/etc/udev/rule.d/70-persistence-net.rule, each entry contains the corresponding relation between MAC address and network card name, adding default operation in the last entry, and calling self-adaptive algorithm to obtain proper network card name when no corresponding relation between MAC and network card name exists
And finally, the algorithm for updating the rule file is placed under the/usr/bin/directory, the rule file is updated after the system is successfully started and called.
Fig. 2 shows a naming device of a physical network card in a multi-network snap ring environment according to an embodiment of the present application, where fig. 2 is a schematic diagram of a naming device of a physical network card in a multi-network snap ring environment according to an embodiment of the present application, and the device includes:
the generation unit 201 is configured to generate an original rule file including a corresponding relationship between an MAC address and a network card name after the operating system is installed, and place an adaptive algorithm at a preset position, specifically, a reliable network card naming rule may be established by using a undev module and a rule file of a Linux system, the network card name is obtained when a network card is replaced or newly added according to the adaptive algorithm, a Udev rule file is automatically generated by an operating system installation program after the operating system is installed, and the adaptive algorithm is placed at a suitable position for the Udev rule file to call;
a first returning unit 202, configured to query the original rule file after restarting the operating system, and return a network card name corresponding to the MAC address of the current network card, specifically, after restarting, the operating system may use the udev rule file to match information such as the MAC address of the network card, and perform network card naming;
a second returning unit 203, configured to, for a network card whose MAC address does not exist in the original rule file, call the adaptive algorithm to obtain and return a network card name, that is, call the adaptive algorithm to obtain the network card name under the condition that a network card is newly added or replaced.
The naming device of the physical network card in the second multi-network snap ring environment provided by the embodiment of the application is based on the naming device of the physical network card in the first multi-network snap ring environment, and further comprises the following technical characteristics:
the placing unit is used for placing the script for updating the rule file in a self-starting rule or a self-starting folder of the operating system;
and the updating unit is used for calling the script of the updating rule file after the restart is completed, and updating the original rule file.
Specifically, the network card name is solidified by using an algorithm for updating the rule file, and the network card name is kept unchanged when the network card is started next time.
The naming device of the physical network card in the third multi-network-card environment provided by the embodiment of the application is based on the naming device of the physical network card in the second multi-network-card environment, and further comprises the following technical characteristics:
the second returning unit is specifically configured to:
traversing the network card name in the original rule file by using the self-adaptive algorithm;
inquiring whether the MAC address of a preset original network card in the original rule file exists in the current hardware environment, if not, judging that the network card of which the MAC address does not exist in the original rule file is a replacement network card, and endowing the network card name of the preset original network card to the network card of which the MAC address does not exist in the original rule file.
It should be noted that the adaptive algorithm can determine the situation of network card replacement, and name the network card name of the replaced network card directly to the new network card after replacement, so that the habit and expectation of the user for network card naming can be met, and confusion of the user can not be caused.
The naming device for the physical network card in the fourth multi-network-card environment provided in the embodiment of the present application is based on the naming device for the physical network card in the third multi-network-card environment, and further includes the following technical features:
the second returning unit is specifically configured to:
and when finding that the MAC addresses of all original network cards in the original rule file exist in the current hardware environment after traversing is finished, judging that the network card of which the MAC address does not exist in the original rule file is a newly added network card, and naming the network card of which the MAC address does not exist in the original rule file as eth-N, wherein N is the total number of the network cards in the current hardware environment.
It should be noted that, in this case, all original network cards exist in a hardware environment, and are not reduced, the network card whose MAC address does not exist in the original rule file is the newly added network card, and is named eth-N, which not only ensures that the network card name is not duplicated with the network card names of other network cards, but also better conforms to the naming habit of the user, and the naming mode is simple, so that no trouble is brought to the user.
The naming device for the physical network card in the fifth multi-network card environment provided by the embodiment of the application is based on the naming device for the physical network card in the fourth multi-network card environment, and further comprises the following technical characteristics:
the update unit includes:
the comparison component is used for comparing an old rule with a new rule, if the old rule is the same as the new rule, no change is made, namely the situation that network card replacement or new addition does not occur, and no change is needed;
a first updating component, configured to directly add the new rule if the new rule is obtained by a newly added network card, that is, for the newly added network card, a new network card name is provided, and the new correspondence relationship needs to be added, so that the network card can be identified after the system is restarted next time;
and the second updating component is used for adding the new rule and deleting the corresponding old rule if the new rule is obtained by replacing the network card, and under the condition, the corresponding relation between the MAC address of the previous network card and the network card name is deleted, and the corresponding relation between the MAC address of the network card after replacement and the network card name is added, so that the network card can be identified after the system is restarted next time.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A naming method of a physical network card under a multi-network snap ring environment is characterized by comprising the following steps:
after the operating system is installed, generating an original rule file containing the corresponding relation between the MAC address and the network card name, and placing the self-adaptive algorithm at a preset position;
after the operating system is restarted, inquiring the original rule file, and returning a network card name corresponding to the MAC address of the current network card;
for the network card with the MAC address not existing in the original rule file, calling the self-adaptive algorithm to obtain and return a network card name;
after the calling the adaptive algorithm to obtain and return the network card name, the method further comprises the following steps:
placing a script for updating the rule file in a self-starting rule or a self-starting folder of the operating system;
after the restart is completed, calling the script of the updating rule file to update the original rule file;
the step of calling the adaptive algorithm to obtain and return the network card name for the network card with the MAC address not existing in the original rule file comprises the following steps:
traversing the network card name in the original rule file by using the self-adaptive algorithm;
inquiring whether the MAC address of a preset original network card in the original rule file exists in the current hardware environment, if not, judging that the network card of which the MAC address does not exist in the original rule file is a replacement network card, and endowing the network card name of the preset original network card to the network card of which the MAC address does not exist in the original rule file;
the step of calling the adaptive algorithm to obtain and return the network card name for the network card with the MAC address not existing in the original rule file further comprises:
and when finding that the MAC addresses of all original network cards in the original rule file exist in the current hardware environment after traversing is finished, judging that the network card of which the MAC address does not exist in the original rule file is a newly added network card, and naming the network card of which the MAC address does not exist in the original rule file as eth-N, wherein N is the total number of the network cards in the current hardware environment.
2. The method for naming a physical network card in a multi-network-ring environment according to claim 1, wherein the script for calling the update rule file comprises:
comparing an old rule with a new rule, and if the old rule is the same as the new rule, not changing;
if the new rule is obtained by newly adding a network card, the new rule is directly added;
and if the new rule is obtained by replacing the network card, adding the new rule and deleting the corresponding old rule.
3. A naming device of a physical network card under the environment of a multi-network snap ring is characterized by comprising:
the generating unit is used for generating an original rule file containing the corresponding relation between the MAC address and the network card name after the installation of the operating system is finished, and placing the self-adaptive algorithm at a preset position;
the first returning unit is used for inquiring the original rule file after restarting the operating system and returning the network card name corresponding to the MAC address of the current network card;
the second returning unit is used for calling the self-adaptive algorithm to obtain and return the network card name for the network card of which the MAC address does not exist in the original rule file;
the placing unit is used for placing the script for updating the rule file in a self-starting rule or a self-starting folder of the operating system;
the updating unit is used for calling the script of the updating rule file after the restart is completed and updating the original rule file;
the second returning unit is specifically configured to:
traversing the network card name in the original rule file by using the self-adaptive algorithm;
inquiring whether the MAC address of a preset original network card in the original rule file exists in the current hardware environment, if not, judging that the network card of which the MAC address does not exist in the original rule file is a replacement network card, and endowing the network card name of the preset original network card to the network card of which the MAC address does not exist in the original rule file;
the second returning unit is specifically configured to:
and when finding that the MAC addresses of all original network cards in the original rule file exist in the current hardware environment after traversing is finished, judging that the network card of which the MAC address does not exist in the original rule file is a newly added network card, and naming the network card of which the MAC address does not exist in the original rule file as eth-N, wherein N is the total number of the network cards in the current hardware environment.
4. The device for naming a physical network card in a multi-network ring environment according to claim 3, wherein the updating unit comprises:
a comparison component for comparing an old rule with a new rule, and if the old rule is the same as the new rule, not changing;
the first updating component is used for directly adding the new rule if the new rule is obtained by newly adding a network card;
and the second updating component is used for adding the new rule and deleting the corresponding old rule if the new rule is obtained by replacing the network card.
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| CN109117197A (en) * | 2018-08-28 | 2019-01-01 | 郑州云海信息技术有限公司 | A method of it is chaotic to solve the name of cluster network interface card |
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