CN113296819B - Centralized management upgrading system and method for network bridge equipment - Google Patents
Centralized management upgrading system and method for network bridge equipment Download PDFInfo
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- CN113296819B CN113296819B CN202110648493.XA CN202110648493A CN113296819B CN 113296819 B CN113296819 B CN 113296819B CN 202110648493 A CN202110648493 A CN 202110648493A CN 113296819 B CN113296819 B CN 113296819B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 103
- 230000004913 activation Effects 0.000 claims description 29
- 230000003213 activating effect Effects 0.000 claims description 14
- 238000012795 verification Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000003111 delayed effect Effects 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000007726 management method Methods 0.000 description 40
- 230000006872 improvement Effects 0.000 description 9
- 230000005856 abnormality Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
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- 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
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
Abstract
The invention discloses a centralized management upgrading system and method for network bridge equipment, wherein the upgrading system comprises: the system comprises a general management channel, a centralized management software platform, network bridge equipment, an upgrade state machine and a dual-area backup synchronous upgrade unit which are established based on a network management protocol, wherein the centralized management software platform is integrated with the manager function of the network management protocol and constructs an upgrade command issuing interface and an upgrade state display interface; the network bridge equipment integrates the agent function of the network management protocol and is used for finishing the upgrading task issued by the centralized management software platform; the upgrade state machine is used for feeding back the upgrade state to the centralized management software platform; the dual-zone backup synchronous upgrading unit comprises a main zone and a spare zone, wherein the main zone and the spare zone are used for storing different equipment versions, and the network bridge equipment upgrades the main zone according to the downloaded firmware upgrading package and synchronizes to the spare zone after upgrading is successful. The upgrading system ensures traceability of the upgrading process of the network bridge equipment, and achieves safe, reliable and stable version upgrading.
Description
Technical Field
The invention relates to the technical field of centralized operation and maintenance management of network equipment, in particular to a centralized management upgrading system and method for network bridge equipment.
Background
The bridge, also called a bridge, is a store/forward device that connects two LANs, and which can divide a large LAN into multiple segments, or interconnect more than two LANs into a logical LAN, so that all users on the LAN can access the server. The network bridge connects two similar networks and manages the circulation of network data, and it works in the data link layer to expand the distance or range of the network and raise the performance, reliability and safety of the network.
The existing network bridge equipment upgrading firmware package often has upgrading faults, so that equipment cannot be normally used, meanwhile, a link with problems is difficult to trace, the working pressure and difficulty of on-site operation and maintenance personnel are increased, the normal operation of customer service is even affected when the working pressure and difficulty are serious, and the fear of upgrading equipment version by customers is increased. Accordingly, there is a need for improvements in the art that overcome the shortcomings of the prior art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a centralized management upgrading system and method for network bridge equipment, which achieve the function of centralized management of network bridge equipment upgrading by interfacing a universal network management protocol interface with a large-scale network equipment centralized management software platform, and simultaneously establish an upgrading state machine mechanism and a dual-area backup synchronization mechanism for the network bridge equipment upgrading, ensure traceability of the network bridge equipment upgrading process, and achieve safe, reliable and stable version upgrading.
The technical scheme adopted by the invention for solving the technical problems is as follows: a network bridge device centralized management upgrade system, comprising:
the general management channel is established based on a network management protocol and is used for communicating with an agent by a manager of the network management protocol;
the centralized management software platform integrates the manager function of the network management protocol and constructs an upgrade order issuing interface and an upgrade state display interface;
the network bridge equipment is integrated with the agent function of the network management protocol and is used for finishing the upgrading task issued by the centralized management software platform;
the upgrading state machine is used for feeding back the upgrading state to the centralized management software platform;
the dual-zone backup synchronous upgrading unit comprises a main zone and a spare zone, wherein the main zone and the spare zone are used for storing different equipment versions, and the network bridge equipment upgrades the main zone according to the downloaded firmware upgrading package and synchronizes to the spare zone after upgrading is successful.
As a further improvement of the present invention, the manager function of the network management protocol includes providing a user name, a password, a port number, and a storage path of a server storing the firmware upgrade package.
As a further improvement of the invention, the centralized management software platform is connected with the upgrade state machine and is used for actively inquiring the upgrade state, receiving the upgrade state content returned by the upgrade state machine through the trap and updating the display of the upgrade state.
As a further improvement of the invention, the upgrade state fed back by the upgrade state machine comprises a normal state, a downloading failure state, a verification failure state, a downloading success state, an activating completion state and an activating failure state.
As a further improvement of the present invention, the firmware upgrade package stored by the server is encrypted using an interactive password.
As a further improvement of the invention, the dual-area backup synchronous upgrading unit establishes two kernel partitions and two file system partitions corresponding to the two kernel partitions one by one in a flash partition, and the main partition is the kernel partition and the file system partition where the current equipment operates.
The invention also provides a centralized management upgrading method of the network bridge equipment, which comprises the following steps:
s1: the method comprises the steps that a centralized management software platform creates a user based on a server, uploads a firmware upgrade package to the server, and provides the firmware upgrade package for network bridge equipment upgrade;
s2: the centralized management software platform integrates the manager function of a network management protocol and issues an upgrade command to the network bridge equipment;
s3: the network bridge equipment integrates the agent function of the network management protocol, receives an upgrade command to enter an upgrade mechanism of an upgrade state machine, and sends a trap state during upgrade state switching to the centralized management software platform;
s4: the centralized management software platform updates the upgrade state according to the returned trap state;
s5: and after the firmware upgrade package is successfully downloaded by the network bridge equipment, starting upgrading, upgrading the main partition, synchronizing the content of the main partition to the spare partition after the upgrading is completed, realizing that the versions of the main partition and the spare partition are consistent, and sending a trap state of successful upgrading to the centralized management software platform.
As a further improvement of the present invention, in the step S1, the user is provided with a user name, a password, and a port number;
in the step S2, the upgrade command issued by the centralized management software platform includes the user information, the storage path of the firmware upgrade package, a download command, a check command and an activation command.
As a further improvement of the present invention, in the step S5, the downloading of the firmware upgrade package by the bridge device specifically includes the steps of:
s501, downloading a firmware upgrade package; executing the downloading command to enter a downloading state when the network bridge equipment upgrading state is in a common state, reporting a trap state to the centralized management software platform, and downloading the firmware upgrading packet according to the user information provided by the centralized management software platform and the storage path of the firmware upgrading packet;
s502, checking a firmware upgrade package; after the firmware upgrade package is successfully downloaded, the network bridge device executes the verification command to verify the firmware upgrade package;
s503, activating upgrading; after the firmware upgrade package is successfully checked, entering a downloading success state and reporting a trap state; and the network bridge device executes an activation command to activate the firmware upgrade package.
As a further improvement of the present invention, in the step S503, the activation command is divided into an immediate activation command and a delayed activation command, where the immediate activation command is an immediate upgrade, and the delayed activation command is an upgrade after the wireless connection of the bridge device is continuously disconnected for a set time; after issuing the activation command, entering an activating state, and starting upgrading operation by the network bridge equipment; after the upgrading is finished, comparing whether the version number of the firmware upgrading packet after the upgrading is consistent with the version number to be upgraded, if so, judging that the upgrading is successful to enter an activation completion state, and reporting a trap state; if the upgrade is inconsistent, the upgrade is considered to be failed to enter an activation failure state, and a trap state is reported.
The beneficial effects of the invention are as follows:
1. the invention provides a centralized management upgrading system and method for network bridge equipment, which not only can be used for network bridge equipment management, but also can be expanded to other communication equipment, and provides a safe, reliable and stable upgrading method for equipment upgrading;
2. the whole upgrading action and state are clearly visible by establishing an upgrading state machine mechanism, so that the analysis can be rapidly positioned and carried out when abnormality occurs, the upgrading safety and controllability are ensured, and the traceability of the upgrading process of the network bridge equipment is ensured;
3. the main partition and spare partition synchronous upgrading mechanism is adopted, so that the problem that the whole equipment cannot be started normally when a firmware upgrading packet is in upgrading error is avoided, the content consistency of the main partition and the spare partition is ensured, unnecessary problems caused by different firmware versions of the main partition and the spare partition when the equipment is started abnormally are effectively avoided, and the safety and reliability of equipment upgrading are improved.
Drawings
FIG. 1 is a block diagram of a centralized management upgrade system for a bridge device of the present invention;
FIG. 2 is a data management block diagram of a snmp protocol interface of the centralized management upgrade system of the bridge device of the present invention;
FIG. 3 is a block flow diagram illustrating steps of a centralized management upgrade method for a network bridge device according to the present invention;
FIG. 4 is a flow chart of the operation of the upgrade state machine of the present invention;
FIG. 5 is a flow chart of the dual zone backup synchronization upgrade unit of the present invention.
Description of the embodiments
A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 2, the present invention provides a centralized management upgrade system for a bridge device, including: the system comprises a general management channel, a centralized management software platform, network bridge equipment, an upgrade state machine and a dual-area backup synchronous upgrade unit. The general management channel is established based on a network management protocol, the network management protocol adopts a snmp protocol, and the general management channel is used for communicating with an agent by a manager of the network management protocol. The centralized management software platform integrates the manager function of the network management protocol, and constructs an upgrade order issuing interface and an upgrade state display interface for operating the network bridge device. Wherein the manager functions of the network management protocol include providing a user name, password, port number, and storage path of the sftp server storing the firmware upgrade package. By providing a unified network management protocol interface for the centralized management software platform, the later stage of the transplantation of the centralized management software platform during the change can be facilitated. The network bridge equipment integrates the agent function of the network management protocol and is used for finishing the upgrading task issued by the centralized management software platform.
Referring to fig. 1 and 4, the upgrade state machine is configured to feed back an upgrade state to the central management software platform, where the upgrade state fed back by the upgrade state machine includes a normal state, a downloading failure state, a verification failure state, a downloading success state, an activating completion state, and an activating failure state. The centralized management software platform is connected with the upgrade state machine and is used for actively inquiring the upgrade state, receiving upgrade state contents returned by the upgrade state machine through the trap and updating the display of the upgrade state. The whole upgrading action and state are clearly visible by establishing an upgrading state machine mechanism, and the analysis can be rapidly positioned and carried out when the abnormality occurs.
Referring to fig. 1 and 5, the dual-area backup synchronization upgrade unit includes a main partition and a spare partition for storing different device versions, and the bridge device upgrades the main partition according to the downloaded firmware upgrade package and synchronizes to the spare partition after the upgrade is successful. The dual-zone backup synchronous upgrading unit establishes two kernel partitions and two file system partitions in the flash partition, and the main partition is the kernel partition and the file system partition where the current equipment operates. The two kernel partitions are a kernel 0 partition and a kernel 1 partition respectively, the two file system partitions are a file system 0 partition and a file system 1 partition respectively, and the kernel 0 partition and the kernel 1 partition load the corresponding file system 0 partition and file system 1 partition. The partition 0 or the partition 1 does not distinguish between the main partition and the standby partition, and the main partition and the standby partition are designated according to actual upgrading conditions; if the current device runs in partition 1, the kernel 1 partition and the file system 1 partition are main partitions, and the kernel 0 partition and the file system 0 partition are standby partitions. When the network bridge equipment starts to upgrade, the partition 1 is immediately designated as a main partition, the upgrade firmware is burned into the main partition and restarted, the partition 1 is the main partition after restarting, and if the upgrade is successful, the firmware version of the main partition is synchronized to the spare partition, so that the spare partition is consistent with the main partition, and the safety and the reliability of the network bridge equipment upgrade are improved.
The firmware upgrade package stored by the sftp server is encrypted by adopting an interactive password, in particular to an LIBSSH2_HOSTKEY_HASH_SHA1 encryption authentication mode.
Referring to fig. 3 and fig. 4, the present invention further provides a centralized management upgrade method for a bridge device, including the following steps:
s1: the centralized management software platform creates an sftp user based on an sftp server, and uploads a firmware upgrade package to the sftp server to provide the firmware upgrade package for network bridge equipment upgrade;
s2: the centralized management software platform integrates the manager function of the network management protocol and issues an upgrade command to the network bridge equipment;
s3: the network bridge equipment integrates the agent function of the network management protocol, receives an upgrade command to enter an upgrade mechanism of the upgrade state machine, and sends a trap state during upgrade state switching to the centralized management software platform; the upgrade state includes a normal state, a downloading failure state, a verification failure state, a downloading success state, an activating completion state and an activating failure state;
s4: the centralized management software platform updates the upgrade state according to the returned trap state;
s5: after the firmware upgrade package is successfully downloaded by the network bridge equipment, the network bridge equipment starts to upgrade, the main partition is upgraded firstly, after the upgrade is completed, the content of the main partition is synchronized to the spare partition, the versions of the main partition and the spare partition are consistent, and the upgrade success trap state is sent to the centralized management software platform.
Wherein in step S1, the sftp user is provided with a user name, a password and a port number. In step S2, the upgrade command issued by the centralized management software platform includes sftp user information, a storage path of the firmware upgrade package, a download command, a check command, an activation command, and a clear state command, which is executed before returning from each state to the normal state. The sftp user information comprises the user name, the password and the port number.
Referring to fig. 4, in step S5, the downloading of the firmware upgrade package by the bridge device specifically includes the following steps:
s501, downloading a firmware upgrade package; the network bridge equipment upgrading state only executes a downloading command to enter a downloading state under a common state, reports the trap state to the centralized management software platform, and downloads the firmware upgrading packet by using an sftp_get function according to sftp user information provided by the centralized management software platform, namely a user name, a password, a port number and a storage path of the firmware upgrading packet; if the download fails, entering a download failure state, and reporting a trap state to the centralized management software platform; if the downloading is successful, entering the next step;
s502, checking a firmware upgrade package; after the firmware upgrade package is downloaded successfully, the network bridge device executes a verification command to verify the firmware upgrade package; if the verification fails, entering a verification failure state, and reporting a trap state to the centralized management software platform; if the verification is successful, entering the next step;
s503, activating upgrading; after the firmware upgrade package is checked successfully, entering a downloading success state, and reporting a trap state to a centralized management software platform; the network bridge device executes the activation command to activate the firmware upgrade package. The activation command is divided into an immediate activation command and a delayed activation command, wherein the immediate activation command is an immediate upgrade, and the delayed activation command is an upgrade after the wireless connection of the network bridge equipment is continuously disconnected for 5 min; after issuing the activation command, entering an activating state, and starting upgrading operation by the network bridge equipment; after the upgrading is finished, whether the version number of the firmware upgrading packet after the upgrading is consistent with the version number to be upgraded or not is compared, if so, the upgrading is considered to be successful in entering an activation completion state, and a trap state is reported to the centralized management software platform; if the upgrade is inconsistent, the upgrade is considered to be failed to enter an activation failure state, and the trap state is reported to the centralized management software platform. The state change of the whole upgrading state machine clearly reflects the upgrading state transition of the network bridge equipment, ensures the upgrading safety and controllability and ensures the traceability of the upgrading process of the network bridge equipment.
Referring to fig. 5, the network bridge device upgrades and uses the dual-area backup synchronous upgrade unit mechanism, when starting to upgrade, the downloaded firmware upgrade package is written into the main partition, and then started from the main partition; if the starting is successful, the main partition content is used for covering the spare partition, if the main partition fails to be started, the spare partition is started from the spare partition, the spare partition is set as the main partition at the moment and started, and after the starting is finished, the main partition content is covered with the original main partition content at the moment. The method for starting the main partition and the spare partition avoids the problem that the whole equipment cannot be started normally when a firmware upgrade package is updated and is wrong, ensures that the content of the main partition is consistent with that of the spare partition, and avoids unnecessary problems caused by different firmware versions of the main partition and the spare partition when the equipment is started abnormally, if the equipment is powered off abnormally for many times continuously during starting, the equipment can be switched to the starting of the spare partition, and if the version of the main partition is higher than that of the spare partition, a plurality of uncomfortable problems exist when the high-version configuration operates in a low version at the moment.
Therefore, the system and the method for the centralized management and upgrading of the network bridge equipment can be used for the management of the network bridge equipment, can be expanded to other communication equipment, provide a safe, reliable and stable upgrading method for equipment upgrading, achieve the function of centralized management of the network bridge equipment upgrading by interfacing with a large-scale network equipment centralized management software platform through a universal network management protocol interface, and facilitate the transplantation of the later centralized management software platform when the latter centralized management software platform changes by providing a unified network management protocol interface for the centralized management software platform; the whole upgrading action and state are clearly visible by establishing an upgrading state machine mechanism, so that the analysis can be rapidly positioned and carried out when abnormality occurs, the upgrading safety and controllability are ensured, and the traceability of the upgrading process of the network bridge equipment is ensured; the main partition and spare partition synchronous upgrading mechanism is adopted, so that the problem that the whole equipment cannot be started normally when a firmware upgrading packet is in upgrading error is avoided, the content consistency of the main partition and the spare partition is ensured, unnecessary problems caused by different firmware versions of the main partition and the spare partition when the equipment is started abnormally are effectively avoided, and the safety and reliability of equipment upgrading are improved.
In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The foregoing description is only of a preferred embodiment of the invention, which can be practiced in many other ways than as described herein, so that the invention is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention without departing from the technical solution of the present invention still falls within the scope of the technical solution of the present invention.
Claims (3)
1. The method for upgrading the centralized management of the network bridge equipment is realized based on a centralized management upgrading system of the network bridge equipment, and is characterized in that the centralized management upgrading system of the network bridge equipment comprises the following steps:
the general management channel is established based on a network management protocol and is used for communicating with an agent by a manager of the network management protocol; wherein, the network management protocol adopts a snmp protocol;
the centralized management software platform integrates the manager function of the network management protocol and constructs an upgrade order issuing interface and an upgrade state display interface;
the network bridge equipment is integrated with the agent function of the network management protocol and is used for finishing the upgrading task issued by the centralized management software platform;
the upgrading state machine is connected with the centralized management software platform and is used for feeding back the upgrading state to the centralized management software platform; the centralized management software platform receives upgrade state contents returned by the upgrade state machine through a trap and updates the display of the upgrade state; the upgrade state fed back by the upgrade state machine comprises a common state, a downloading failure state, a verification failure state, a downloading success state, an activating completion state and an activating failure state;
the dual-zone backup synchronous upgrading unit comprises a main zone and a spare zone, wherein the main zone and the spare zone are used for storing different equipment versions, and the network bridge equipment upgrades the main zone according to the downloaded firmware upgrading package and synchronizes to the spare zone after the upgrading is successful; the dual-area backup synchronous upgrading unit establishes two kernel partitions and two file system partitions corresponding to the two kernel partitions one by one in a flash partition, wherein the main partition is the kernel partition and the file system partition where the current equipment operates;
the method for centralized management and upgrading of the network bridge equipment comprises the following steps:
s1: the centralized management software platform creates a user based on a server, uploads a firmware upgrade package to the server, and provides the firmware upgrade package for the network bridge equipment upgrade;
s2: the centralized management software platform integrates the manager function of a network management protocol and issues an upgrade command to the network bridge equipment; the upgrade command comprises user information, a storage path of a firmware upgrade package, a download command, a verification command, an activation command and a clear state command, wherein the clear state command is executed before the state of each trap returns to a common state;
s3: the network bridge equipment integrates the agent function of the network management protocol, receives an upgrade command to enter an upgrade mechanism of an upgrade state machine, and sends a trap state during upgrade state switching to the centralized management software platform;
s4: the centralized management software platform updates the upgrade state according to the returned trap state;
s5: the network bridge equipment starts upgrading after the firmware upgrading packet is downloaded successfully, the main partition is upgraded firstly, the content of the main partition is synchronized to the spare partition after the upgrading is completed, the versions of the main partition and the spare partition are consistent, and a trap state of successful upgrading is sent to the centralized management software platform;
in the step S5, the downloading, by the bridge device, the firmware upgrade package specifically includes the following steps:
s501, downloading a firmware upgrade package; executing the downloading command to enter a downloading state when the network bridge equipment upgrading state is in a common state, reporting a trap state to the centralized management software platform, and downloading the firmware upgrading packet according to the user information provided by the centralized management software platform and the storage path of the firmware upgrading packet; if the download fails, entering a download failure state, and reporting a trap state to the centralized management software platform;
s502, checking a firmware upgrade package; after the firmware upgrade package is successfully downloaded, the network bridge device executes the verification command to verify the firmware upgrade package; if the verification fails, entering a verification failure state, and reporting a trap state to the centralized management software platform;
s503, activating upgrading; after the firmware upgrade package is successfully checked, entering a downloading success state, and reporting a trap state to the centralized management software platform; the network bridge device executes an activation command to enable the firmware upgrade package to enter an activating state; after the upgrading is finished, comparing whether the version number of the firmware upgrading packet after the upgrading is consistent with the version number to be upgraded, if so, considering that the upgrading is successful to enter an activation completion state, and reporting a trap state to the centralized management software platform; if the upgrade is inconsistent, the upgrade is considered to be failed to enter an activation failure state, and a trap state is reported to the centralized management software platform;
in the step S503, the activation command is divided into an immediate activation command and a delayed activation command, where the immediate activation command is an immediate upgrade, and the delayed activation command is an upgrade after the wireless connection of the bridge device is continuously disconnected for a set time.
2. The method for centralized management and upgrade of network bridge equipment according to claim 1, wherein: the manager functions of the network management protocol include providing a user name, a password, a port number, and a storage path of a server storing the firmware upgrade package.
3. The method for centralized management and upgrade of network bridge equipment according to claim 1, wherein: and the firmware upgrade package stored by the server is encrypted by adopting an interactive password.
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