CN109698767A - A kind of main/standby switching method and device - Google Patents
A kind of main/standby switching method and device Download PDFInfo
- Publication number
- CN109698767A CN109698767A CN201811577882.2A CN201811577882A CN109698767A CN 109698767 A CN109698767 A CN 109698767A CN 201811577882 A CN201811577882 A CN 201811577882A CN 109698767 A CN109698767 A CN 109698767A
- Authority
- CN
- China
- Prior art keywords
- equipment
- arp
- public network
- state
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2023—Failover techniques
- G06F11/2033—Failover techniques switching over of hardware resources
-
- 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
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
-
- 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
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
-
- 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
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
-
- 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
- H04L2101/622—Layer-2 addresses, e.g. medium access control [MAC] addresses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of main/standby switching method and device, and source NAT device can be made when master/slave switchover occurs, judge whether the current state of this equipment is main state;If so, enabling the ARP function of this equipment, public network switch is notified to update the ARP entry of itself by ARP message interaction;If it is not, then going to enable the ARP function of this equipment.Therefore the present invention can enable ARP function by controlling the NAT device of major state, to solve the problems, such as that the NAT device of new major state after active-standby switch can not active transmission ARP message, so as to realize NAT flow path automatic switchover, the troublesome operation of the network interruption and manual addition routing policy that avoid optimizes the network access experience of user.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of main/standby switching methods and device.
Background technique
With the continuous development of Internet, more and more PC need to carry out address distribution, but the address IPv4 is
Gradually exhaust, and the address IPv6 does not replace the address IPv4 formally also, so source NAT (Network Address at this stage
Translation, network address translation) have become a kind of necessary function of forwarding device.Usual source NAT device is deployed in Intranet and goes out
Mouth gateway is usually disposed using double-machine standby technology to guarantee the high reliability of network, that is, disposes two fire prevention
Wall completes firewall by RDMP (Redundancy Device Management Protocol, redundance unit management agreement)
Activestandby state negotiation.After determining active and standby firewall, the forwarding of business is carried out by master firewall, and backup firewall is in prison
Control state, while the information that master firewall periodically can send status information to backup firewall and need to back up.When master firewall goes out
After existing failure, backup firewall can take over the business on master firewall in time.
But in the case where being equipped with NAT in common two-shipper environment, lead to Two-channel switching when main equipment breaks down
Afterwards, if active transmission gratuitous ARP, the response message of outer net still do not walk the path before Two-channel switching, meeting to the main equipment after switching
The equipment for causing subsequent flow still to walk failure, so as to cause service disconnection;If in addition, with then having access NAT public network
For location abnormal flow to two-shipper in equipment, standby equipment has answered its ARP request, then the message of subsequent access NAT public network address is all
It can go on standby host.Network interruption when both of which will lead to common Two-channel switching.
Summary of the invention
In view of this, the present invention provides a kind of main/standby switching method and device to solve source NAT device master in the prior art
Network interruption problem when standby switching.
Specifically, the present invention is achieved through the following technical solutions:
The present invention provides a kind of main/standby switching method, and the method is applied to source NAT device, which comprises
When the master/slave switchover of this equipment, judge whether the current state of this equipment is main state;
If so, enabling the ARP function of this equipment, public network switch is notified to update the ARP of itself by ARP message interaction
List item;
If it is not, then going to enable the ARP function of this equipment.
As one embodiment, judge whether the state of this equipment is main state, comprising:
The priority in the VRRP state of this equipment is obtained, if the highest priority of this equipment, this equipment are main state;
Otherwise, this equipment is standby state.
As one embodiment, the ARP function of this equipment is enabled, notifies public network switch to update by ARP message interaction
The ARP entry of itself, comprising:
From the corresponding public network exit port broadcast arp message of public network IP address, the ARP message includes the public network IP address
With the MAC Address of this equipment so that public network switch updates the ARP of itself according to the MAC Address in the ARP message received
The MAC Address of the corresponding source NAT device of public network IP address described in list item.
As one embodiment, the ARP function of going to enable this equipment, comprising:
If receiving the ARP message of public network switch transmission, the ARP message is abandoned.
Based on identical design, the present invention also provides a kind of active-standby switch device, described device is applied to source NAT device,
Described device includes:
Judging unit, for when the master/slave switchover of this equipment, judging whether the current state of this equipment is main shape
State;
Enabling unit enables the ARP function of this equipment, passes through ARP if the state current for this equipment is main state
Message interaction notice public network switch updates the ARP entry of itself;
Enabling unit is gone, if the state current for this equipment is not main state, goes the ARP function of enabling this equipment.
As one embodiment, the judging unit, the priority in VRRP state specifically for obtaining this equipment, if
The highest priority of this equipment, then this equipment is main state;Otherwise, this equipment is standby state.
As one embodiment, the enabling unit is specifically used for public network exit port broadcast corresponding from public network IP address
ARP message, the ARP message include the MAC Address of the public network IP address He this equipment, so that public network switch is according to receiving
The ARP message in MAC Address update the MAC of the corresponding source NAT device of public network IP address described in the ARP entry of itself
Address.
It is described to go enabling unit as one embodiment, if specifically for the ARP message for receiving public network switch transmission,
Then abandon the ARP message.
Based on identical design, the present invention also provides a kind of network equipment, the network equipment includes memory, processing
Device, communication interface and communication bus;
Wherein, the memory, processor, communication interface carry out mutual communication by the communication bus;
The memory, for storing computer program;
The processor, for executing the computer program stored on the memory, described in the processor executes
The either step of the main/standby switching method is realized when computer program.
Based on identical design, the present invention also provides a kind of computer readable storage medium, the computer-readable storage
Dielectric memory contains computer program, and the computer program realizes any of the main/standby switching method when being executed by processor
Step.
It can be seen that the present invention can make source NAT device when master/slave switchover occurs, the current shape of this equipment is judged
Whether state is main state;If so, enabling the ARP function of this equipment, public network switch is notified to update certainly by ARP message interaction
The ARP entry of body;If it is not, then going to enable the ARP function of this equipment.Therefore the present invention can be set by controlling the NAT of major state
Standby enabled ARP function, come solve the problems, such as new major state after active-standby switch NAT device can not active transmission ARP message, from
And the automatic switchover in the path of NAT flow may be implemented, the network interruption avoided and the manually troublesome operation of addition routing policy,
Optimize the network access experience of user.
Detailed description of the invention
Fig. 1 is a kind of process flow diagram of one of illustrative embodiments of present invention main/standby switching method;
Fig. 2 is the networking schematic diagram in a kind of illustrative embodiments of the present invention before active-standby switch;
Networking schematic diagram in a kind of illustrative embodiments of Fig. 3 present invention after active-standby switch;
A kind of building-block of logic of one of illustrative embodiments of Fig. 4 present invention active-standby switch device;
A kind of structural schematic diagram of one of illustrative embodiments of Fig. 5 present invention network equipment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of main/standby switching method and device, can make source
NAT device judges whether the current state of this equipment is main state when master/slave switchover occurs;If so, enabled originally set
Standby ARP function notifies public network switch to update the ARP entry of itself by ARP message interaction;If it is not, then going to enable originally to set
Standby ARP function.Therefore the present invention can enable ARP function by controlling the NAT device of major state, after solving active-standby switch
The NAT device of new major state can not active transmission ARP message the problem of, so as to realize NAT flow path it is automatic
Switching, the network interruption avoided and the manually troublesome operation of addition routing policy optimize the network access experience of user.
Referring to FIG. 1, be a kind of process flow diagram of one of illustrative embodiments of present invention main/standby switching method,
The method is applied to source NAT device, which comprises
Step 101, when the master/slave switchover of this equipment, judge whether the current state of this equipment is main state;If
It is then to go to step 102;If it is not, then going to step 103;
In the present embodiment, in the case where being equipped with NAT in two-shipper environment, when event occurs for the source NAT device of major state
Barrier is when leading to Two-channel switching, and source NAT device may determine that whether the state after this equipment currently switches is main state.
As one embodiment, first in two-shipper environment under rise NAT association VRRP (Virtual Router
Redundancy Protocol, Virtual Router Redundacy Protocol), when active-standby switch occurs for any appliance in two-shipper, the equipment
Priority in the VRRP state of the armamentarium (i.e. main equipment and standby equipment) of available association VRRP, by the excellent of this equipment
The priority ratio of first grade and other equipment is compared with if the highest priority of this equipment, this equipment are main state;Otherwise, this equipment
For standby state.
Step 102, the ARP function of enabling this equipment notify public network switch to update itself by ARP message interaction
ARP entry;
It, then can be to enable the ARP function of this equipment, i.e., from public network IP by the active of this equipment when this equipment is main state
The corresponding public network exit port broadcast arp message in location, the ARP message includes the MAC Address of the public network IP address He this equipment,
So that public network switch according to the MAC Address in the ARP message received with updating public network IP described in the ARP entry of itself
The MAC Address of the corresponding source NAT device in location.In addition, if this equipment receives public network switch and sends ARP message, due to this equipment
ARP function is had turned on, therefore arp reply can be fed back to the public network switch, so that connection is established with the public network switch, from
And make subsequent flow from this device forwards to public network switch, thus can asking to avoid the network interruption after active-standby switch
Topic.
Step 103 goes to enable the ARP function of this equipment.
If this equipment is standby state, ARP function enabled before enable, gone after enabling, Ruo Ben is set
The standby ARP message for receiving public network switch transmission, then abandon the ARP message, do not carry out response to the ARP message, so as to
So that public network switch disconnects the connection with standby status devices, avoids flow from being forwarded in the equipment for state and cause in flow
Disconnected situation.
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below with reference to Fig. 2 and Fig. 3 to the present invention
Scheme be described in further detail.
As shown in Fig. 2, the present invention with two-shipper environment (VRRP) for application scenarios, in two-shipper, that is, FW1 and FW2 common first under
The NAT that rises is associated with VRRP, and the ARP function of controlling on main equipment FW1 is opened, and does not open for the ARP function on equipment FW2 at this time.
Main equipment FW1 can broadcast carry public network address (such as 172.168.1.2) and main equipment MAC Address (such as 01:ac:3b:d2:
C1 the first ARP message), public network switch can be according to the first ARP message study to the corresponding source NAT of public network IP address
The MAC Address of equipment (and FW1), to be recorded in its local ARP entry, as shown in table 1.
Public network IP address | 172.168.1.2 |
The MAC Address of main equipment | 01:ac:3b:d2:c1 |
Table 1
Message is sent on two-shipper main equipment FW1 by intranet host by default gateway, is public network IP by NAT conversion source IP
Access outer net is forwarded after the 172.168.1.2 of address, when the mutual message of external network server is returned, is exchanged in public network
The MAC Address 01:ac:3b:d2:c1 for the corresponding main equipment of public network IP address that machine is inquired according to ARP entry (table 1), so as to
So that flow forwarded from FW1 can intranet host, ensuring that in this way can be with by the flow of NAT access outer net under two-shipper environment
Path is consistent back and forth, and session establishment is normal.
If main equipment (FW1) breaks down in this network environment, trigger two-shipper active-standby switch, then after switching, main equipment
FW1 is switched to standby state, and standby equipment FW2 switching is main state.Equipment can be obtained from according to the priority in VRRP state
State after the switching of body, so that it is determined that the role of itself.
At this point, can then go the ARP function of enabling itself since FW1 is currently standby state.Since FW2 is currently main state,
The ARP function of itself can then be enabled.Main equipment FW2 can broadcast the 2nd ARP message in such a way that multiple is kept out of the way at this time, this second
The MAC Address (such as 01:ac:3b:d2:c2) of public network address (such as 172.168.1.2) and main equipment FW2 are carried in ARP message;It is public
Network switch learns according to the 2nd ARP message to the public network IP address of new main equipment FW2 and the MAC Address of equipment, so as to
To update the MAC Address of the corresponding main equipment of public network IP address in local ARP entry, updated ARP entry is obtained, such as
Shown in table 2.
Public network IP address | 172.168.1.2 |
The MAC Address of main equipment | 01:ac:3b:d2:c2 |
Table 2
In this way when there is two-shipper main equipment FW2 of the new flow after switching to access public network, mutual message back can
To be forwarded according to new ARP entry (table 2), so that flow be made to be forwarded on FW2.In this way it is avoided that manual modification routing table
It is cumbersome and may cause network interruption.
Therefore the present invention can be arranged whether current device can send public network according to the main and standby relation of two-shipper environment automatically
Address gratuitous ARP and time arp reply message, to avoid the problem that network interruption.
Based on identical design, the present invention also provides a kind of active-standby switch devices, referring to FIG. 4, being that one kind of the present invention is shown
The building-block of logic of one of example property embodiment active-standby switch device 400, described device are applied to source NAT device, the dress
Setting basic running environment includes CPU, memory and other hardware, from logic level, the logical construction of the device 400
Include:
Judging unit 401, for when the master/slave switchover of this equipment, judge the current state of this equipment whether based on
State;
Enabling unit 402 enables the ARP function of this equipment, passes through if the state current for this equipment is main state
ARP message interaction notice public network switch updates the ARP entry of itself;
Enabling unit 403 is gone, if the state current for this equipment is not main state, removes the ARP function for enabling this equipment
Energy.
As one embodiment, the judging unit 401 is preferential in the VRRP state specifically for obtaining this equipment
Grade, if the highest priority of this equipment, this equipment are main state;Otherwise, this equipment is standby state.
As one embodiment, the enabling unit 402 is specifically used for wide from the corresponding public network exit port of public network IP address
ARP message is broadcast, the ARP message includes the MAC Address of the public network IP address He this equipment, so that public network switch is according to receipts
To the ARP message in MAC Address update the corresponding source NAT device of public network IP address described in the ARP entry of itself
MAC Address.
It is described to go enabling unit 403 as one embodiment, if being reported specifically for the ARP for receiving public network switch transmission
Text then abandons the ARP message.
In conclusion the present invention can make source NAT device when master/slave switchover occurs, the current shape of this equipment is judged
Whether state is main state;If so, enabling the ARP function of this equipment, public network switch is notified to update certainly by ARP message interaction
The ARP entry of body;If it is not, then going to enable the ARP function of this equipment.Therefore the present invention can be set by controlling the NAT of major state
Standby enabled ARP function, come solve the problems, such as new major state after active-standby switch NAT device can not active transmission ARP message, from
And the automatic switchover in the path of NAT flow may be implemented, the network interruption avoided and the manually troublesome operation of addition routing policy,
Optimize the network access experience of user.
Based on identical design, the present invention also provides a kind of network equipments, as shown in figure 5, the network equipment includes depositing
Reservoir 51, processor 52, communication interface 53 and communication bus 54;
Wherein, the memory 51, processor 52, communication interface 53 carry out mutual lead to by the communication bus 54
Letter;
The memory 51, for storing computer program;
The processor 52, for executing the computer program stored on the memory 51, the processor 52 is held
The either step of main/standby switching method provided in an embodiment of the present invention is realized when the row computer program.
The present invention also provides a kind of computer readable storage medium, calculating is stored in the computer readable storage medium
Machine program, the computer program realize any step of main/standby switching method provided in an embodiment of the present invention when being executed by processor
Suddenly.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for computer
For equipment and the embodiment of computer readable storage medium, since it is substantially similar to the method embodiment, so the ratio of description
Relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize application scheme.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of main/standby switching method, which is characterized in that the method is applied to source NAT device, which comprises
When the master/slave switchover of this equipment, judge whether the current state of this equipment is main state;
If so, enabling the ARP function of this equipment, public network switch is notified to update the ARP table of itself by ARP message interaction
?;
If it is not, then going to enable the ARP function of this equipment.
2. the method according to claim 1, wherein judging whether the state of this equipment is main state, comprising:
The priority in the VRRP state of this equipment is obtained, if the highest priority of this equipment, this equipment are main state;It is no
Then, this equipment is standby state.
3. passing through ARP message interaction the method according to claim 1, wherein enabling the ARP function of this equipment
Notice public network switch updates the ARP entry of itself, comprising:
From the corresponding public network exit port broadcast arp message of public network IP address, the ARP message includes the public network IP address and this
The MAC Address of equipment, so that public network switch updates the ARP entry of itself according to the MAC Address in the ARP message received
Described in the corresponding source NAT device of public network IP address MAC Address.
4. the method according to claim 1, wherein the ARP function of going to enable this equipment, comprising:
If receiving the ARP message of public network switch transmission, the ARP message is abandoned.
5. a kind of active-standby switch device, which is characterized in that described device is applied to source NAT device, and described device includes:
Judging unit, for when the master/slave switchover of this equipment, judging whether the current state of this equipment is main state;
Enabling unit enables the ARP function of this equipment, passes through ARP message if the state current for this equipment is main state
Interaction notice public network switch updates the ARP entry of itself;
Enabling unit is gone, if the state current for this equipment is not main state, goes the ARP function of enabling this equipment.
6. device according to claim 5, which is characterized in that
The judging unit, the priority in VRRP state specifically for obtaining this equipment, if the highest priority of this equipment,
Then this equipment is main state;Otherwise, this equipment is standby state.
7. device according to claim 5, which is characterized in that
The enabling unit is specifically used for from the corresponding public network exit port broadcast arp message of public network IP address, the ARP message
MAC Address including the public network IP address He this equipment, so that public network switch is according in the ARP message received
MAC Address updates the MAC Address of the corresponding source NAT device of public network IP address described in the ARP entry of itself.
8. device according to claim 5, which is characterized in that
It is described to go enabling unit, if abandoning the ARP message specifically for the ARP message for receiving public network switch transmission.
9. a kind of network equipment, which is characterized in that the network equipment includes memory, processor, communication interface and communication
Bus;
Wherein, the memory, processor, communication interface carry out mutual communication by the communication bus;
The memory, for storing computer program;
The processor, for executing the computer program stored on the memory, the processor executes the calculating
Such as method of any of claims 1-4 is realized when machine program.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
Program realizes such as method of any of claims 1-4 when the computer program is executed by processor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811577882.2A CN109698767A (en) | 2018-12-20 | 2018-12-20 | A kind of main/standby switching method and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811577882.2A CN109698767A (en) | 2018-12-20 | 2018-12-20 | A kind of main/standby switching method and device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109698767A true CN109698767A (en) | 2019-04-30 |
Family
ID=66231959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811577882.2A Pending CN109698767A (en) | 2018-12-20 | 2018-12-20 | A kind of main/standby switching method and device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109698767A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110505220A (en) * | 2019-08-12 | 2019-11-26 | 北京威努特技术有限公司 | Support the method, apparatus and communication terminal of the two-node cluster hot backup of OPC protocol realization |
CN110912837A (en) * | 2019-11-07 | 2020-03-24 | 杭州迪普科技股份有限公司 | VSM system-based main/standby switching method and device |
CN110971462A (en) * | 2019-12-09 | 2020-04-07 | 深信服科技股份有限公司 | Equipment switching method, device, equipment and storage medium |
CN113518133A (en) * | 2021-05-26 | 2021-10-19 | 北京天融信网络安全技术有限公司 | Information configuration method and device and communication equipment |
CN114079981A (en) * | 2020-08-06 | 2022-02-22 | 北京佰才邦技术股份有限公司 | Network equipment switching method and network equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101008892A (en) * | 2006-01-24 | 2007-08-01 | 环隆电气股份有限公司 | Wireless network interactive graphic user interface display system |
CN101465889A (en) * | 2008-12-03 | 2009-06-24 | 北京星网锐捷网络技术有限公司 | Network address translation equipment and request method of response address analysis protocol |
CN102395218A (en) * | 2011-10-13 | 2012-03-28 | 无锡爱房信科技发展有限公司 | Universal wireless sensing network intelligent control system and implementation method thereof |
CN104618148A (en) * | 2015-01-07 | 2015-05-13 | 杭州华三通信技术有限公司 | Firewall device and backup method thereof |
CN105915400A (en) * | 2016-06-28 | 2016-08-31 | 北京神州绿盟信息安全科技股份有限公司 | Data stream switching method and system |
-
2018
- 2018-12-20 CN CN201811577882.2A patent/CN109698767A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101008892A (en) * | 2006-01-24 | 2007-08-01 | 环隆电气股份有限公司 | Wireless network interactive graphic user interface display system |
CN101465889A (en) * | 2008-12-03 | 2009-06-24 | 北京星网锐捷网络技术有限公司 | Network address translation equipment and request method of response address analysis protocol |
CN102395218A (en) * | 2011-10-13 | 2012-03-28 | 无锡爱房信科技发展有限公司 | Universal wireless sensing network intelligent control system and implementation method thereof |
CN104618148A (en) * | 2015-01-07 | 2015-05-13 | 杭州华三通信技术有限公司 | Firewall device and backup method thereof |
CN105915400A (en) * | 2016-06-28 | 2016-08-31 | 北京神州绿盟信息安全科技股份有限公司 | Data stream switching method and system |
Non-Patent Citations (2)
Title |
---|
佚名: ""ARP协议以及获取当前局域下主机MAC地址"", 《HTTPS://BLOG.CSDN.NET/XX5595480/ARTICLE/DETAILS/82623147》 * |
佚名: ""NAT的双机热备方案"", 《HTTPS://WENKU.BAIDU.COM/VIEW/BA973242B307E87101F696BB.HTML》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110505220A (en) * | 2019-08-12 | 2019-11-26 | 北京威努特技术有限公司 | Support the method, apparatus and communication terminal of the two-node cluster hot backup of OPC protocol realization |
CN110912837A (en) * | 2019-11-07 | 2020-03-24 | 杭州迪普科技股份有限公司 | VSM system-based main/standby switching method and device |
CN110912837B (en) * | 2019-11-07 | 2021-09-21 | 杭州迪普科技股份有限公司 | VSM system-based main/standby switching method and device |
CN110971462A (en) * | 2019-12-09 | 2020-04-07 | 深信服科技股份有限公司 | Equipment switching method, device, equipment and storage medium |
CN114079981A (en) * | 2020-08-06 | 2022-02-22 | 北京佰才邦技术股份有限公司 | Network equipment switching method and network equipment |
CN114079981B (en) * | 2020-08-06 | 2024-02-02 | 北京佰才邦技术股份有限公司 | Network equipment switching method and network equipment |
CN113518133A (en) * | 2021-05-26 | 2021-10-19 | 北京天融信网络安全技术有限公司 | Information configuration method and device and communication equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10917262B2 (en) | VXLAN packet forwarding method, device, and system | |
CN109698767A (en) | A kind of main/standby switching method and device | |
EP3373547B1 (en) | Method for realizing disaster tolerance backup | |
US20170155577A1 (en) | Virtual Router Redundancy Protocol Fault Detection Method and Routing Device | |
EP2157746B1 (en) | Routing control system for L3VPN service network | |
EP2993838B1 (en) | Methods for setting a member identity of gateway device and corresponding management gateway devices | |
CN111585800B (en) | Virtual private cloud-based network node configuration method, device and medium | |
EP3694145B1 (en) | Method and device for sending messages | |
CN103200093B (en) | A kind of method and apparatus improving the handling property of many VRRP backup group | |
US9270558B2 (en) | Method, local gateway, and system for local voice survivability | |
CN108075971A (en) | A kind of main/standby switching method and device | |
CN107682406B (en) | Method, device and system for processing service | |
US10575366B2 (en) | Last resource disaster routing in a telecommunications network | |
CN101562576B (en) | Route distribution method and equipment thereof | |
JP2009117909A (en) | Packet relay method and device | |
EP4009592A1 (en) | Method for configuring port state and network device | |
CN101399773B (en) | Method for organising network nodes in a packet-oriented network | |
JP2017038218A (en) | Communication system and setting method | |
US20080212610A1 (en) | Communication techniques and generic layer 3 automatic switching protection | |
CN110011859B (en) | Virtual machine control method and cluster system | |
CN109889390B (en) | Method for realizing HA hot standby function under transfer control separation scene | |
WO2023125271A1 (en) | 5g user terminal ip address confirmation method, apparatus and system | |
CN114585009A (en) | UPF dual-computer hot standby switching method and device, electronic equipment and storage medium | |
US20210119826A1 (en) | Layer-2 dedicated line network system and configuration method | |
CN111835544B (en) | Monitoring method and system of virtual router based on user mode protocol stack |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190430 |