CN114124896B - Method and device for solving isolation of broadcasting domain between client and service system - Google Patents
Method and device for solving isolation of broadcasting domain between client and service system Download PDFInfo
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- CN114124896B CN114124896B CN202111293557.5A CN202111293557A CN114124896B CN 114124896 B CN114124896 B CN 114124896B CN 202111293557 A CN202111293557 A CN 202111293557A CN 114124896 B CN114124896 B CN 114124896B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a method and a device for solving the problem that a broadcasting domain between a client and a service system is isolated, wherein the method comprises the following steps: all clients are connected to the new gateway exchanger nearby, and are configured according to the new planning network segment address, and meanwhile, a network card is defined; collecting a target address segment and storing the target address segment into a notepad; preparing a script for closing a designated network card; and (3) inputting a server address to be accessed, comparing the input address information with the background notepad information, and executing a corresponding script according to a comparison result. The method and the device utilize a gateway exchanger of other network segments which does not exist in the same network segment with the target network segment or a newly added switch, and realize the access of the isolated service system of the same network segment by adding an interconnection link and using a script to shut down the local area network card, namely the original network card and the newly added area network card, namely the network card of the newly added link.
Description
Technical Field
The invention relates to the field of network isolation, in particular to a method and a device for solving the problem that a broadcasting domain between a client and a service system is isolated.
Background
In the process of accessing the business service system, because different networks are combined or the gateway moves down, the broadcast domain of the client and the service end of the same address section is isolated by three layers of networks, and because a plurality of online system IP addresses are solidified, the general solution is to open two separated two layers of broadcast domain networks through a large two-layer technology VXLAN, otherwise, the client cannot access the service end.
When the client 192.168.1.4 needs to access the remote service system 192.168.1.1, when the IP addresses at both ends are in the same broadcast domain (same address segment), the IP access is basically in the encapsulation format: [ data section: source address: destination address ], that is, the router first looks at whether the destination address and the source address are the same network segment, if the mac address of the destination address is directly queried by sending an ARP broadcast packet in the network segment, the mac address is not needed to send the data to the gateway, the ARP broadcast packet cannot cross the gateway and the three-layer network to the other side, and the source address network segment does not have the destination address, so that the network is not enabled.
ARP is Address Resolution Protocol: the address resolution protocol is a TCP/IP protocol that obtains the mac address of the device based on the IP address. The basic principle of operation is that when a host sends a message, an ARP request containing the target IP address is broadcast to all hosts on the local area network to request the mac address, and typically only the host with the IP address configured will reply.
The general practice is to use a large two-layer technology such as VXLAN to establish a two-layer tunnel, open two-layer networks (open broadcast domains) to make broadcast information of two network segments reddish (transfer or propagation) each other, and the principle of VXLAN technology is that in the original data packet [ data part: source address: target address ] on the basis of encapsulating a layer of VXALAN information such as: [ data section: source address: target address: VXLAN information (also including source address and destination address), and data packet transfer is performed through the newly encapsulated VXLAN information, but this solution at least requires that devices at both ends support VXLAN technology, otherwise, encapsulation and decapsulation of VXLAN data cannot be completed, and this technology is not supported by devices for some pre-established networks, which is the biggest problem.
Disclosure of Invention
In order to solve the above problems of manual network fault location, the invention provides a method and a device for solving the problem that a broadcast domain between a client and a service system is isolated, which uses a gateway switch of other network segments which are not in the same network segment with a target network segment or a newly added switch to realize the access of the isolated service system of the same network segment by adding an interconnection link and using a script to shut down the network card of the local area, namely the original network card and the network card of the newly added area, namely the network card of the newly added link.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in an embodiment of the present invention, a method for solving isolation of a broadcast domain between a client and a service system is provided, the method comprising:
s01, all clients are connected to a new gateway exchanger nearby, configuration is carried out according to a new planning network segment address, and meanwhile a network card is defined;
s02, collecting a target address segment and storing the target address segment into a notepad;
s03, preparing a script for closing the appointed network card;
s04, inputting a server address to be accessed, comparing the input address information with background notepad information, and executing a corresponding script according to a comparison result.
Further, the new gateway switch in S01 is a newly added gateway switch.
Further, the new gateway switch in S01 is another gateway switch.
Further, the configuration requirement in S01 is to ensure that address segment routing can be received by the remote address gateway.
Further, the defining a network card in S01 includes: the original network card is defined as the local area network card ens, and the newly added link is defined as the newly added area network card ens161.
Further, the script in S03 includes:
script 1, opening a newly added regional network card, and closing the regional network card;
script 2, opening the local area network card, and closing the newly added area network card.
Further, the S04 includes:
s041, if the comparison result is the address of the local area, calling the script 2 to start the browser and automatically completing address bar filling access;
s042, if the comparison result is not the local area address, calling the script 1 to start the browser and automatically completing address bar filling access.
In an embodiment of the present invention, there is also provided an apparatus for solving a problem of isolation of a broadcast domain between a client and a service system, the apparatus comprising:
the connection configuration module is used for connecting all the clients to the new gateway exchanger nearby, configuring according to the newly planned network segment address and defining a network card;
the collecting module is used for collecting the target address segment and storing the target address segment into the notepad;
the script module prepares to close the script of the appointed network card;
and the comparison execution module is used for inputting the address of the server to be accessed, comparing the input address information with the background notepad information, and executing the corresponding script according to the comparison result.
Further, the new gateway switch in the connection configuration module is a newly added gateway switch.
Further, the new gateway switch in the connection configuration module is another gateway switch.
Further, the configuration requirements in the connection configuration module are to ensure that address segment routing can be received by the remote address gateway.
Further, defining the network card in the connection configuration module includes: the original network card is defined as the local area network card ens, and the newly added link is defined as the newly added area network card ens161.
Further, the script in the script module includes:
script 1, opening a newly added regional network card, and closing the regional network card;
script 2, opening the local area network card, and closing the newly added area network card.
Further, the contrast execution module includes:
the script 2 execution module calls the script 2 to start the browser and automatically completes address bar filling access when the comparison result is the local area address;
and if the comparison result is not the local address, calling the script 1 to start the browser and automatically completing address bar filling access.
In an embodiment of the present invention, a computer device is further provided, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements the foregoing method for solving the problem of isolation of a broadcast domain between a client and a service system when executing the computer program.
In an embodiment of the present invention, a computer-readable storage medium is also presented, in which a computer program for executing a method for solving a problem of isolation of a broadcast domain between a client and a service system is stored.
Advantageous effects
1. When the device does not support the two-layer technology such as vxlan and the like, the access of the network segment server isolated by the three-layer network can be completed with little cost;
2. the invention uses the characteristic that no target address network segment exists on the old or newly added switch.
3. The invention only operates on the client side as required, and the service end can continuously provide service.
Drawings
FIG. 1 is a flow chart of a method for solving the problem of isolation of a broadcast domain between a client and a service system according to the present invention;
FIG. 2 is a schematic flow chart of a client accessing a server according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a device for solving the problem of isolation of a broadcast domain between a client and a service system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a computer device according to an embodiment of the present invention.
Description of the embodiments
The principles and spirit of the present invention will be described below with reference to several exemplary embodiments, with the understanding that these embodiments are merely provided to enable those skilled in the art to better understand and practice the invention and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Those skilled in the art will appreciate that embodiments of the invention may be implemented as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the following forms, namely: complete hardware, complete software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
According to the embodiment of the invention, a method and a device for solving the problem that a broadcasting domain between a client and a service system is isolated are provided, and the method and the device for solving the problem that the broadcasting domain between the client and the service system is isolated are used for realizing the access of the isolated service system of the same network segment by adding an interconnection link and using a script to shut down the network card of the local area, namely the original network card and the network card of the newly added area, namely the network card of the newly added link by utilizing other network segment gateway switches which are not in the same network segment as the target network segment or newly added a switch.
The principles and spirit of the present invention are explained in detail below with reference to several representative embodiments thereof.
FIG. 1 is a flow chart illustrating a method for solving the problem of isolation of a broadcast domain between a client and a service system according to an embodiment of the present invention. As shown in fig. 1, the method includes:
s01, all clients are connected to a new gateway exchanger nearby, configuration is carried out according to a new planning network segment address, and meanwhile a network card is defined;
s02, collecting a target address segment and storing the target address segment into a notepad;
s03, preparing a script for closing the appointed network card;
s04, inputting a server address to be accessed, comparing the input address information with background notepad information, and executing a corresponding script according to a comparison result.
The new gateway switch in S01 is a newly added gateway switch.
The new gateway switch in S01 is another gateway switch.
The configuration requirement in S01 is to ensure that address segment routing can be received by the remote address gateway.
The defining the network card in S01 includes: the original network card is defined as the local area network card ens, and the newly added link is defined as the newly added area network card ens161.
The script in S03 includes:
script 1, opening a newly added regional network card, and closing the regional network card;
script 2, opening the local area network card, and closing the newly added area network card.
The S04 includes:
s041, if the comparison result is the address of the local area, calling the script 2 to start the browser and automatically completing address bar filling access;
s042, if the comparison result is not the local area address, calling the script 1 to start the browser and automatically completing address bar filling access.
It should be noted that although the operations of the method of the present invention are described in a particular order in the above embodiments and the accompanying drawings, this does not require or imply that the operations must be performed in the particular order or that all of the illustrated operations be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
In order to more clearly explain the above-mentioned method for solving the problem of isolation of the broadcast domain between the client and the service system, a specific embodiment will be described below, however, it should be noted that this embodiment is only for better explaining the present invention, and does not constitute an undue limitation of the present invention.
Examples
As shown in FIG. 2, the client is interconnected with the gateway switch which is old or newly added, the logic topology is as follows, a new address segment such as addresses 172.16.1.4 and 172.16.2.3 is planned, the local area address and the newly added area address are collected, a script is formulated according to the input service system address such as 192.168.1.1, the address is found to be not in the local area through comparing with the collected address, the newly added area network card such as 172.16.1.4 is firstly opened, the interface where the local area network card is located such as 192.168.1.4 is closed, the source address where the local area network card is accessed to 192.168.1.1 is changed to 172.16.1.4, the remote service system can be normally accessed, if the input address is found to be in the local area after comparing, the local area network card is firstly opened, the newly added area network card is closed, and the local service system can be normally accessed.
S01: all clients are connected to the device nearby by newly adding or utilizing other gateway switches, and meanwhile, the network segment addresses are configured according to the new planning network segment addresses, so that the address segment routes can be received by a remote address gateway, the original network card is defined as a local area network card ens, and the newly added link is defined as a newly added area network card ens161.
S02: the target address field is collected and stored in the notepad, taking fig. 3 as an example:
the present region a.txt
192.168.1.2
Other regions b.txt
192.168.1.1
S03: preparing to close the script of the appointed network card:
script 1, opening newly added regional network card, and closing the regional network card
#!/bin/bash
nmcli connection up ifname ens161// newly added area network card is opened
nmcli connection down ifname ens160// local area network card is closed
Script 2, opening local area network card, closing newly added area network card
#!/bin/bash
nmcli connection up ifname ens160// local area network card is opened
nmcli connection down ifname ens161// closing newly added area network card
Step S04: and (3) inputting a server address to be accessed, comparing the input address information with background notepad information, if the address is the local area address, calling a script 2 to start a browser and automatically completing address bar filling access in S03, and if the address is not the local area address, calling a script 1 to start the browser and automatically completing address bar filling access in S03.
Calling script 2 part code:
Linett=[]
with open('a.txt', 'r') as file_to_read:
lines=file_to_read.readline()
for i in lines:
Linett.append(i)
url = raw_input("input ip:")
if url in Linett:
f=os.pop ("nmcli connection up ifname ens 160") # turns on the local network card
f=os.pop ("nmcli connection down ifname ens 161") # turns off the newly added area network card
webbrowser.open(url)
time.sleep(3)
os.system('taskkill /IM chrome.exe')
Based on the same inventive concept, the invention also provides a device for solving the problem that the broadcast domain between the client and the service system is isolated. The implementation of the device can be referred to as implementation of the above method, and the repetition is not repeated. The term "module" as used below may be a combination of software and/or hardware that implements the intended function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
FIG. 3 is a schematic diagram of a device for solving the problem of isolation of a broadcast domain between a client and a service system according to an embodiment of the present invention. As shown in fig. 3, the apparatus includes:
the connection configuration module 101 connects all clients to the new gateway switch nearby, configures according to the newly planned network segment address, and defines a network card;
the collecting module 102 collects the target address segment and stores the target address segment into the notepad;
script module 103, preparing to close the script of the appointed network card;
and the comparison execution module 104 is used for inputting a server address to be accessed, comparing the input address information with the background notepad information and executing a corresponding script according to a comparison result.
The new gateway switch in the connection configuration module 101 is a newly added gateway switch.
The new gateway switch in the connection configuration module 101 is the other gateway switch.
The configuration requirements in the connection configuration module 101 are to ensure that address segment routing can be received by the remote address gateway.
The defining the network card in the connection configuration module 101 includes: the original network card is defined as the local area network card ens, and the newly added link is defined as the newly added area network card ens161.
The scripts in the script module 103 include:
script 1, opening a newly added regional network card, and closing the regional network card;
script 2, opening the local area network card, and closing the newly added area network card.
The contrast performing module 104 includes:
the script 2 execution module calls the script 2 to start the browser and automatically completes address bar filling access when the comparison result is the local area address;
and if the comparison result is not the local address, calling the script 1 to start the browser and automatically completing address bar filling access.
It should be noted that while several modules are mentioned in the detailed description above that address the isolation of the broadcast domain between the client and the service system, such a division is merely exemplary and not mandatory. Indeed, the features and functions of two or more modules described above may be embodied in one module in accordance with embodiments of the present invention. Conversely, the features and functions of one module described above may be further divided into a plurality of modules to be embodied.
Based on the foregoing inventive concept, as shown in fig. 4, the present invention further proposes a computer device 200, including a memory 210, a processor 220, and a computer program 230 stored in the memory 210 and capable of running on the processor 220, where the processor 220 implements the foregoing method for solving the problem of isolation of a broadcast domain between a client and a service system when executing the computer program 230.
Based on the foregoing inventive concept, the present invention also proposes a computer-readable storage medium storing a computer program for executing the foregoing method for solving the problem of isolation of a broadcast domain between a client and a service system.
The invention provides a method and a device for solving the problem that a broadcasting domain between a client and a service system is isolated, which utilize a gateway switch of other network segments which are not in the same network segment with a target network segment or a newly added switch to realize the access of the isolated service system of the same network segment by adding an interconnection link and using a script to shut down the network card of the local area, namely the original network card and the network card of the newly added area, namely the network card of the newly added link.
While the spirit and principles of the present invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments nor does it imply that features of the various aspects are not useful in combination, nor are they useful in any combination, such as for convenience of description. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
It should be apparent to those skilled in the art that various modifications or variations can be made in the present invention without requiring any inventive effort by those skilled in the art based on the technical solutions of the present invention.
Claims (12)
1. A method for resolving broadcast domain isolation between a client and a service system, the method comprising:
s01, all clients are connected to a new gateway exchanger nearby, configuration is carried out according to a new planning network segment address, and meanwhile a network card is defined;
s02, collecting a target address segment and storing the target address segment into a notepad;
s03, preparing a script for closing the appointed network card;
script 1, opening a newly added regional network card, and closing the regional network card;
script 2, opening local area network card, closing newly added area network card
S04, inputting a server address to be accessed, comparing the input address information with background notepad information, and executing a corresponding script according to a comparison result;
s041, if the comparison result is the address of the local area, calling the script 2 to start the browser and automatically completing address bar filling access;
s042, if the comparison result is not the local area address, calling the script 1 to start the browser and automatically completing address bar filling access.
2. The method for resolving broadcast domain isolation between a client and a service system according to claim 1, wherein the new gateway switch in S01 is a newly added gateway switch.
3. The method of claim 1, wherein the new gateway switch in S01 is another gateway switch.
4. The method of claim 1, wherein the configuration requirement in S01 is to ensure that address segment routing can be received by a remote address gateway.
5. The method for resolving broadcast domain isolation between a client and a service system according to claim 1, wherein defining a network card in S01 comprises: the original network card is defined as the local area network card ens, and the newly added link is defined as the newly added area network card ens161.
6. An apparatus for resolving a broadcast domain quarantine between a client and a service system, the apparatus comprising:
the connection configuration module is used for connecting all the clients to the new gateway exchanger nearby, configuring according to the newly planned network segment address and defining a network card;
the collecting module is used for collecting the target address segment and storing the target address segment into the notepad;
the script module prepares to close the script of the appointed network card;
script 1, opening a newly added regional network card, and closing the regional network card;
script 2, opening the local area network card, and closing the newly added area network card;
the comparison execution module is used for inputting a server address to be accessed, comparing the input address information with background notepad information and executing a corresponding script according to a comparison result;
the script 2 execution module calls the script 2 to start the browser and automatically completes address bar filling access when the comparison result is the local area address;
and if the comparison result is not the local address, calling the script 1 to start the browser and automatically completing address bar filling access.
7. The apparatus of claim 6, wherein the new gateway switch in the connection configuration module is an added gateway switch.
8. The apparatus of claim 6, wherein the new gateway switch in the connection configuration module is another gateway switch.
9. The apparatus of claim 6, wherein the configuration requirements in the connection configuration module are to ensure that address segment routing can be received by the remote address gateway.
10. The apparatus for resolving inter-client and service system broadcast domain quarantine according to claim 6, wherein defining a network card in the connection configuration module comprises: the original network card is defined as the local area network card ens, and the newly added link is defined as the newly added area network card ens161.
11. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of any of claims 1-5 when executing the computer program.
12. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program for performing the method of any one of claims 1-5.
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