CN113726548A - Method for automatically discovering switching equipment in two-layer network and remotely configuring and managing IP - Google Patents
Method for automatically discovering switching equipment in two-layer network and remotely configuring and managing IP Download PDFInfo
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- CN113726548A CN113726548A CN202110812603.1A CN202110812603A CN113726548A CN 113726548 A CN113726548 A CN 113726548A CN 202110812603 A CN202110812603 A CN 202110812603A CN 113726548 A CN113726548 A CN 113726548A
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- 238000012790 confirmation Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
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- 238000004891 communication Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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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
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L2012/4629—LAN interconnection over a backbone network, e.g. Internet, Frame Relay using multilayer switching, e.g. layer 3 switching
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Abstract
The invention provides a method for automatically discovering switching equipment in a two-layer network and remotely configuring and managing an IP (Internet protocol), which comprises the following steps: s1, self-defining a cluster protocol message; s2, using self-defined cluster protocol message to realize remote access to cluster network management device and management channel of managed network device of whole network, so that cluster network management device can use management channel to remotely configure IP address and management VLAN of managed network device. The invention realizes the remote management of the IP address and the management VLAN of the managed network equipment, thereby solving the problem that the centralized management can be carried out only after the network equipment is manually and directly connected with the management channel information in the operator network.
Description
Technical Field
The invention relates to a switch communication system in the field of data communication, in particular to a method for automatically discovering switching equipment in a two-layer network and remotely configuring and managing an IP (Internet protocol).
Background
Switches usually have a special management port, called out-of-band management port, which is usually an independent port and is used only for device management, and a more common management mode is to use an in-band management port, which is used for both data communication and device management by configuring a data port. In a data communication network system, in-band data management is generally used to manage devices, and since in-band management acts on a data port, a data network is ready to use, so that a remote management mode can be used to remotely connect and manage devices.
A normal switch will have a default IP address when it leaves the factory, and it is common practice that a switch with an independent out-of-band management port will have a default out-of-band management IP, but no default out-of-band management port will be created. If the switch is not provided with the out-of-band management port, the default is to create Interfacevaln 1 and configure a default IP on the port. Therefore, the new device has the same management IP for all devices or has no in-band management port, so the new device must manually go to the location of the device and use a direct connection mode to connect a serial port or an out-of-band management port for configuration, and the configuration of the management IP requires a great labor cost for operators.
Disclosure of Invention
The invention aims to provide a method for automatically discovering switching equipment in a two-layer network and remotely configuring and managing an IP (Internet protocol), so as to solve the problem that centralized management can be carried out only after network equipment is manually and directly connected and configured with management channel information in an operator network.
The method for automatically discovering the switching equipment in the two-layer network and remotely configuring and managing the IP comprises the following steps:
s1, self-defining a cluster protocol message;
s2, using self-defined cluster protocol message to realize remote access to cluster network management device and management channel of managed network device of whole network, so that cluster network management device can use management channel to remotely configure IP address and management VLAN of managed network device.
Further, the automatic trunking protocol packet in step S1 includes:
discovering a message; the discovery message is initiated by the cluster network management equipment, and all the managed network equipment can receive the discovery message;
configuring a report message, and replying the MAC address, the IP address and the management VLAN of the managed network equipment to the cluster network management equipment through the configured report message;
configuring an issuing message, and issuing an IP address and a management VLAN to the managed network equipment by the cluster network management equipment through the configured issuing message for remote configuration;
and configuring a confirmation message, and sending a configuration result to the cluster network management equipment through the configuration confirmation message after the managed network equipment is successfully configured remotely.
Further, the destination MAC address of the discovery packet uses a broadcast address; and the configuration reporting message, the configuration issuing message and the configuration confirming message all use unicast destination MAC addresses.
Further, step S2 includes the following sub-steps:
step S21, discovery phase:
(1) a user operates a cluster network management device to send a discovery message to a managed network device of the whole network;
(2) after receiving the discovery message, the managed network equipment inquires own equipment information, and inputs the own equipment information into a configuration report message, and then sends the configuration report message to the cluster network management equipment;
(3) after receiving the configuration report message returned by the managed network device, the cluster network management device can form a managed network device list with the MAC address as an index, wherein the MAC address, the IP address and the management VLAN of the managed network device are listed in the managed network device list;
step S22, configuration phase:
(4) the user operates the cluster network management equipment to select one managed network equipment in the managed network equipment list, modifies the IP address and the management VLAN of the managed network equipment, and issues the configuration after the modification is completed, and the cluster network management equipment generates the configuration issuing message with the modified IP address and the management VLAN of the managed network equipment and sends the configuration issuing message to the corresponding managed network equipment.
(5) After receiving the configuration issuing message, the managed network device analyzes the IP address and the management VLAN, directly issues the IP address and the management VLAN to the local machine for configuration, and sends a configuration confirmation message of successful configuration or failed configuration to the cluster network management device after the configuration is completed;
(6) and the cluster network management equipment receives the configuration confirmation message of the managed network equipment and prompts the success or failure of configuration.
Further, the cluster network management equipment has a user operation interface; the user interface is configured to:
a user operates the cluster network management equipment through a user operation interface to send a discovery message to the managed network equipment of the whole network;
and the user operates the cluster network management equipment through the user operation interface to select one managed network equipment in the managed network equipment list, modifies the IP address and the management VLAN of the managed network equipment, and clicks through the user operation interface to issue the configuration after the modification is completed.
Further, after receiving the configuration confirmation message of the managed network device, the cluster network management device prompts success or failure of configuration through the user operation interface.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention realizes the remote management of the IP address and the management VLAN of the managed network equipment, thereby solving the problem that the centralized management can be carried out only after the network equipment is manually and directly connected with the management channel information in the operator network.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart of a method for automatically discovering switching devices in a two-layer network and remotely configuring management IP according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a message format of a customized cluster protocol message according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a Data portion in a customized cluster protocol packet according to an embodiment of the present invention.
Fig. 4 is a flow chart of remote configuration according to an embodiment of the present invention.
Fig. 5 is a diagram illustrating an exemplary networking according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Description of abbreviations:
VLAN: virtual Local Area Network;
IP: internet Protocol;
MAC: medium Access Control.
As shown in fig. 1, this embodiment proposes a method for automatically discovering a switch device in a two-layer network and remotely configuring a management IP, where the method includes:
s1, self-defining a cluster protocol message;
the packet format of the cluster protocol packet in this embodiment is as shown in fig. 2, where the packet format of the cluster protocol packet is carried in an Ethernet 2 format, and includes a destination MAC address and a source MAC address, and conforms to a standard 802.1Q tag, the protocol type is 0x807E, and the packet types include a discovery packet, a configuration report packet, a configuration issue packet, a configuration confirmation packet, a Data portion, and an FCS field.
The message types are specifically:
0x 0001: discovering a message; the discovery message is initiated by cluster network management equipment, and all managed network equipment (such as a switch and a router) can receive the discovery message; the destination MAC address of the discovery message uses a broadcast address FF-FF-FF-FF-FF;
0x 0002: configuring a report message, and replying the MAC address, the IP address and the management VLAN of the managed network equipment to the cluster network management equipment through the configured report message; the configuration report message uses a unicast destination MAC address;
0x 0003: configuring an issuing message, and issuing an IP address and a management VLAN to the managed network equipment by the cluster network management equipment through the configured issuing message for remote configuration; the configuration issuing message uses a unicast destination MAC address;
0x 0004: configuring a confirmation message, and sending a configuration result to the cluster network management equipment through the configuration confirmation message after the managed network equipment is successfully configured remotely; the configuration acknowledgement message uses a unicast destination MAC address.
The Data portion is shown in fig. 3, specifically as follows:
version: the version number, i.e. the version number of the trunking protocol packet, occupies 4 bits, if the current trunking protocol packet is the first version, 0 is used.
Reserved: field is reserved, taking 28 bits.
Checksum: the Data part of the cluster protocol message is checked and summed, and 16 bits are occupied.
Packet length: the Data part of the cluster protocol message has a length of 16 bits.
DeviceMACAddress: the MAC address of the managed network device occupies 48 bits.
Maincommand: the main command number, the main command number that needs to be transmitted, occupies 16 bits.
Subcommand: the word command number, the sub-command number that needs to transmit the main command, occupies 16 bits.
Parameter length: the length of the command parameter takes 16 bits.
Parameter: the command Parameter, length defaults to 16 bits, but length can also be customized by modifying Parameter length.
S2, using self-defined cluster protocol message to realize remote access to cluster network management device and management channel of managed network device of whole network, so that cluster network management device can use management channel to remotely configure IP address and management VLAN of managed network device.
As shown in fig. 4 and 5, for convenience of operation, the cluster network management device has a user operation interface. Step S2 thus includes the following sub-steps:
step S21, discovery phase:
(1) a user operates the cluster network management equipment through a user operation interface to send a discovery message to the managed network equipment of the whole network; if the network topology map can be set to be refreshed by clicking on the user operation interface by the user, the cluster network management equipment can send a discovery message to the managed network equipment of the whole network;
(2) after receiving the discovery message, the managed network equipment inquires own equipment information, and inputs the own equipment information into a configuration report message, and then sends the configuration report message to the cluster network management equipment;
(3) after receiving the configuration report message returned by the managed network device, the cluster network management device can form a managed network device list with the MAC address as an index, wherein the MAC address, the IP address and the management VLAN of the managed network device are listed in the managed network device list;
step S22, configuration phase:
(4) the user operates the cluster network management equipment through the user operation interface to select one managed network equipment in the managed network equipment list, modifies the IP address and the management VLAN of the managed network equipment, and sends the configuration by clicking to send the configuration after the modification is completed, and the cluster network management equipment generates the configuration sending message with the modified IP address and the management VLAN of the managed network equipment and sends the configuration sending message to the corresponding managed network equipment.
(5) After receiving the configuration issuing message, the managed network device analyzes the IP address and the management VLAN, directly issues the IP address and the management VLAN to the local machine for configuration, and sends a configuration confirmation message of successful configuration or failed configuration to the cluster network management device after the configuration is completed;
(6) and the cluster network management equipment receives the configuration confirmation message of the managed network equipment and prompts the success or failure of configuration on a user operation interface.
Therefore, the invention realizes the remote management of the IP address and the management VLAN of the managed network equipment, thereby solving the problem that the centralized management can be carried out only after the network equipment is manually and directly connected with the management channel information in the operator network.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A method for automatically discovering switching devices in a two-tier network and remotely configuring management IP, the method comprising:
s1, self-defining a cluster protocol message;
s2, using self-defined cluster protocol message to realize remote access to cluster network management device and management channel of managed network device of whole network, so that cluster network management device can use management channel to remotely configure IP address and management VLAN of managed network device.
2. The method of claim 1, wherein the cluster protocol packet in step S1 includes:
discovering a message; the discovery message is initiated by the cluster network management equipment, and all the managed network equipment can receive the discovery message;
configuring a report message, and replying the MAC address, the IP address and the management VLAN of the managed network equipment to the cluster network management equipment through the configured report message;
configuring an issuing message, and issuing an IP address and a management VLAN to the managed network equipment by the cluster network management equipment through the configured issuing message for remote configuration;
and configuring a confirmation message, and sending a configuration result to the cluster network management equipment through the configuration confirmation message after the managed network equipment is successfully configured remotely.
3. The method for automatically discovering switching devices in a two-tier network and remotely configuring management IP as recited in claim 2, wherein the destination MAC address of the discovery packet uses a broadcast address; and the configuration reporting message, the configuration issuing message and the configuration confirming message all use unicast destination MAC addresses.
4. A method for automatically discovering switching devices in a two-layer network and remotely configuring management IP according to claim 2 or 3, wherein the step S2 comprises the following sub-steps:
step S21, discovery phase:
(1) a user operates a cluster network management device to send a discovery message to a managed network device of the whole network;
(2) after receiving the discovery message, the managed network equipment inquires own equipment information, and inputs the own equipment information into a configuration report message, and then sends the configuration report message to the cluster network management equipment;
(3) after receiving the configuration report message returned by the managed network device, the cluster network management device can form a managed network device list with the MAC address as an index, wherein the MAC address, the IP address and the management VLAN of the managed network device are listed in the managed network device list;
step S22, configuration phase:
(4) the user operates the cluster network management equipment to select one managed network equipment in the managed network equipment list, modifies the IP address and the management VLAN of the managed network equipment, and issues the configuration after the modification is completed, and the cluster network management equipment generates the configuration issuing message with the modified IP address and the management VLAN of the managed network equipment and sends the configuration issuing message to the corresponding managed network equipment.
(5) After receiving the configuration issuing message, the managed network device analyzes the IP address and the management VLAN, directly issues the IP address and the management VLAN to the local machine for configuration, and sends a configuration confirmation message of successful configuration or failed configuration to the cluster network management device after the configuration is completed;
(6) and the cluster network management equipment receives the configuration confirmation message of the managed network equipment and prompts the success or failure of configuration.
5. The method of claim 4 wherein the cluster network management device has a user interface; the user interface is configured to:
a user operates the cluster network management equipment through a user operation interface to send a discovery message to the managed network equipment of the whole network;
and the user operates the cluster network management equipment through the user operation interface to select one managed network equipment in the managed network equipment list, modifies the IP address and the management VLAN of the managed network equipment, and clicks through the user operation interface to issue the configuration after the modification is completed.
6. The method according to claim 5, wherein the cluster network management device receives the configuration confirmation message from the managed network device and prompts the configuration success or failure through the user operation interface.
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