CN101252520A - Method for saving energy of Ethernet switch and Ethernet switch - Google Patents
Method for saving energy of Ethernet switch and Ethernet switch Download PDFInfo
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Abstract
The invention discloses an energy-saving method of an Ethernet switching device. The method includes that the port information which executes the energy-saving strategy in the Ethernet switching device is set; when the port which executes the energy-saving strategy is detected to have no link energy, the port is switched to the low power-consumption operation mode automatically; when the port is detected to have link energy, the port is switched to the normal power-consumption operation mode automatically. The invention also provides an Ethernet switching device which can adjust the low power-consumption operation mode and the normal power-consumption operation mode for the port; thereby, the power consumption is saved and the operation cost of the device is reduced.
Description
Technical Field
The present invention relates to energy saving technologies, and in particular, to an energy saving method for an ethernet switching device and an ethernet switching device.
Background
With the development of the ethernet (Internet) and the continuous expansion of Internet services, applications for transmitting various information through the Internet are in the endlessly. In practical application, a user can be connected to an Ethernet switch of a corridor through a computer at home to surf the internet; the system can be connected to a local area network in a company through a computer in an office to realize networked office; on the journey, the Internet can be connected to a wireless network through a mobile Personal Computer (PC) to carry out fast Internet surfing.
Due to the large amount of network usage and the wider network coverage, the basic devices required for constructing the network, such as ethernet switches and routers, have become more and more popular in practical network applications. The ethernet switching device may be divided into a cable interface switching device and an optical cable interface switching device according to port types, or a switching device with a mixture of the two port types, or may be divided into a two-layer switching device, a three-layer switching device and a multi-layer switching device according to a switching hierarchy, or may be divided into an access layer switching device, a convergence layer switching device, a core layer switching device, and the like according to a use occasion.
As shown in fig. 1, fig. 1 is a schematic diagram of a networking structure of an ethernet switching device in the prior art, where an ethernet switch 1, an ethernet switch 2, an ethernet switch 3, and an ethernet switch 4 are access switches located at the bottom layer of a network and used by users, and are also the most frequently used ethernet switches in the network, and the ethernet switch has relatively simple functions, rich and various interface types, and a large number of ports; the ethernet switches 5, 6, and 7 are switches located at an upper layer in the network, and the functions of such ethernet switches are relatively complex, the types of interfaces are more various, and the number of ports is greater.
As shown in fig. 2, the ethernet switching device mainly includes: central Processing Units (CPUs), dynamic memories, program memories, ethernet interface modules, external management interface modules, and the like. The CPU is used for managing signaling and data packets; the dynamic memory and the program memory are connected with the CPU through an external bus and are used for storing programs and data required by the operation of the Ethernet switching equipment; the Ethernet interface module is connected with the CPU through a management interface bus and a data channel interface bus, and an interface chip in the Ethernet interface module is a Physical layer (PHY, Physical) + Media Access Control (MAC) chip; the external management interface module is connected with the CPU and is used for providing a man-machine interaction interface; the 4-port transformer is used for connecting an electrical interface, and the optical module is used for connecting an optical interface.
The ethernet switching device in the prior art cannot control the working state of the ethernet switching device according to actual needs, and is still in a power consumption mode of normal working for a long time even under the condition that the ethernet switching device does not need to work, so that the power consumption of the ethernet switching device is excessive, and the running cost of the ethernet switching device is high.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide an energy saving method for an ethernet switching device and an ethernet switching device, so as to solve the problem of excessive power consumption of the ethernet switching device in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides an energy-saving method of Ethernet switching equipment, which comprises the following steps:
setting port information for executing an energy-saving strategy in Ethernet switching equipment;
and according to the set port information, when detecting that the port executing the energy-saving strategy has no link energy, adjusting the port to a low-power-consumption working state.
The setting of the port information for executing the energy-saving policy in the ethernet switching device specifically includes:
setting all ports or part of ports of the Ethernet switching equipment as ports for executing an energy-saving strategy;
and storing the set port information for executing the energy-saving strategy.
After storing the set port information for executing the energy-saving strategy, the method further comprises: modifying the stored port information for executing the energy-saving strategy.
After the port executing the energy-saving strategy is adjusted to the low-power consumption working state when no link energy of the port is detected, the method further comprises the following steps: and when detecting that the port executing the energy-saving strategy has link energy, restoring the port from a low-power-consumption working state to a normal-power-consumption working state.
The present invention also provides an ethernet switching device, comprising: the device comprises a port information setting module and a power consumption adjusting module which are connected with each other; wherein,
the port information setting module is used for setting the port information for executing the energy-saving strategy in the Ethernet switching equipment;
and the power consumption adjusting module is used for adjusting the port to a low power consumption working state when detecting that the port executing the energy-saving strategy has no link energy according to the set port information.
The port information setting module includes: the system comprises a port information setting submodule, a port information storage submodule and a port information modification submodule; wherein,
the port information setting submodule is used for setting all ports or part of ports of the Ethernet switching equipment as ports for executing an energy-saving strategy;
the port information storage submodule is used for storing the set port information for executing the energy-saving strategy;
and the information modification submodule is used for modifying the stored port information for executing the energy-saving strategy.
The power consumption adjustment module includes: the link energy detection submodule and the low-power consumption adjustment submodule are connected with each other; wherein,
the link energy detection submodule is used for detecting the link energy of the port executing the energy-saving strategy;
and the low-power consumption adjusting submodule is used for adjusting the port to a low-power consumption working state when the link energy detection submodule detects that the port executing the energy-saving strategy has no link energy.
The power consumption adjustment module further includes: and the normal power consumption recovery submodule is connected with the link energy detection submodule and is used for recovering the port from the low power consumption working state to the normal power consumption working state when the link energy detection submodule detects that the port executing the energy-saving strategy has link energy.
The energy-saving method of the Ethernet switching equipment provided by the invention executes the energy-saving strategy on the port of the Ethernet switching equipment, and adjusts the port to be in a low-power consumption working state when detecting that the port executing the energy-saving strategy has no link energy; and when detecting that the port executing the energy-saving strategy has link energy, restoring the port to a normal power consumption working state. The Ethernet switching equipment saves power consumption, thereby reducing the running cost of the equipment.
Drawings
Fig. 1 is a schematic diagram of a networking structure of an ethernet switching device in the prior art;
fig. 2 is a schematic diagram of an internal structure of an ethernet switching device in the prior art;
fig. 3 is a flowchart of an energy saving method of an ethernet switching device according to the present invention;
fig. 4 is a flowchart of setting port information for executing an energy saving policy in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of an ethernet switching device according to the present invention.
Detailed Description
The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.
As shown in fig. 3, the energy saving method for ethernet switching equipment provided by the present invention mainly includes the following steps:
The Ethernet switch equipment in the invention comprises Ethernet switch, router and other equipment. A user can set port information required to execute an energy-saving strategy in the Ethernet switching equipment according to actual application requirements; if all ports in the Ethernet switching equipment are required to execute the energy-saving strategy, all the ports are set as the ports for executing the energy-saving strategy; if a part of ports in the Ethernet switching equipment are required to execute the energy-saving strategy, the part of ports are set as the ports for executing the energy-saving strategy.
The Ethernet switching equipment stores the set port information for executing the energy-saving strategy, and the stored port information for executing the energy-saving strategy can be modified according to actual needs, and operations such as adding and deleting the port information are executed.
It should be noted that, in the present invention, the user may control the ethernet switching device to execute the setting operation of the port information through the local serial port of the ethernet switching device, or the user may control the ethernet switching device to execute the setting operation of the port information through the remote computer.
The Ethernet switching equipment detects the link energy of a port executing the energy-saving strategy through a signal detection circuit, when no link energy exists on the port executing the energy-saving strategy, the port is adjusted to be in a low-power-consumption working state, the port in the low-power-consumption working state is only in a normal working state, and other circuits of the port enter into a low-power-consumption state; under the condition that a port executing the energy-saving strategy is in a low-power-consumption working state, if a signal detection circuit of the port detects link energy again, the Ethernet switching equipment restores the port from the low-power-consumption working state to a normal-power-consumption working state.
It should be noted that each port in the ethernet switching device has a function of detecting link energy, and can also independently perform adjustment of a low power consumption operating state and a normal power consumption operating state, and operations between the ports are not affected by each other.
The following describes in further detail the process of setting, by the ethernet switching device, port information for executing the energy saving policy in step 301 with reference to the embodiment shown in fig. 4, and as shown in fig. 4, the flow of setting port information for executing the energy saving policy mainly includes the following steps:
The Ethernet switching equipment judges whether the requirement for executing the energy-saving strategy exists or not by determining whether the flag bit for identifying the requirement for executing the energy-saving strategy is set or not. If the flag bit for executing the energy-saving strategy requirement is determined to be set, indicating that the Ethernet switching equipment has the requirement for executing the energy-saving strategy; otherwise, it indicates that the ethernet switching device does not have the requirement to implement the power saving policy.
If all ports in the ethernet switching device are required to execute the energy saving policy according to actual needs, go to step 403; if it is required that a portion of the ports in the ethernet switching device execute power-saving policies, then go to step 404.
In step 403, the ethernet switching device obtains and stores all port information of itself, and then goes to step 406.
In step 404, the ethernet switching device sets port information that needs to execute the power saving policy.
According to actual needs, a user inputs port information needing to execute an energy-saving strategy on the Ethernet switching equipment, and the Ethernet switching equipment stores the port information input by the user, so that the setting of the port information is completed.
For example: the port of the Ethernet switching equipment comprises: if the set port information is port 4, the port 1, port 2 and port 3 cannot correspond to port 4 in all the port information of the ethernet switching device, which indicates that the set port 4 is out of range.
In step 406, the ethernet switching device turns on the power saving function of the selected port.
For example: and selecting the port 1 and the port 2 of the Ethernet switching equipment as the ports for executing the energy-saving strategy, and triggering the port 1 and the port 2 by the Ethernet switching equipment to start the energy-saving function.
In addition, the ethernet switching device can also display the set port information for executing the energy-saving strategy to the user through a human-computer interface by using an external management interface, so that the user can know the port information set by the ethernet switching device.
In order to implement the energy saving method of the ethernet switching device of the present invention, the present invention further provides an ethernet switching device, as shown in fig. 5, the ethernet switching device includes: a port information setting module 10 and a power consumption adjusting module 20 connected to each other. A port information setting module 10, configured to set port information for implementing an energy saving policy in the ethernet switching device. And a power consumption adjusting module 20, configured to adjust a port executing the energy saving policy to a low power consumption operating state when detecting that the port has no link energy according to the set port information.
The port information setting module 10 includes: a port information setting submodule 11, a port information storage submodule 12 and a port information modification submodule 13. And the port information setting submodule 11 is configured to set all ports or part of ports of the ethernet switching device as ports for executing the energy saving policy. And the port information storage submodule 12 is connected with the port information setting submodule 11 and is used for storing the port information which is set by the port information setting submodule 11 and executes the energy-saving strategy. And the information modification submodule 13 is connected with the port information storage submodule 12 and is used for modifying the stored port information for executing the energy-saving strategy.
Wherein, the power consumption adjusting module 20 includes: a link energy detection submodule 21, a low power consumption adjustment submodule 22 and a normal power consumption recovery submodule 23. And the link energy detection submodule 21 is connected with the port information storage submodule 12 and is used for detecting the link energy of the port executing the energy-saving strategy according to the port information executing the energy-saving strategy stored in the port information storage submodule 12. And the low-power consumption adjusting submodule 22 is connected to the link energy detecting submodule 21, and is configured to adjust a port executing the energy saving policy to a low-power consumption operating state when the link energy detecting submodule 21 detects that the port has no link energy. And the normal power consumption recovery submodule 23, connected to the link energy detection submodule 21, is configured to recover, when the link energy detection submodule 21 detects that link energy exists in a port executing the energy saving policy, the port from the low power consumption operating state to a normal power consumption operating state.
In summary, the energy saving method of the ethernet switching device and the ethernet switching device provided by the present invention save power consumption and reduce the operation cost of the device. In addition, the energy-saving method and the Ethernet switching equipment are popularized to the network, so that the energy saving of the network can be realized; moreover, the port for executing the energy-saving strategy in the Ethernet switching equipment can be selectively set according to actual needs, and when the network topology changes, the set port information for executing the energy-saving strategy can be modified, so that the implementation is convenient and flexible.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A method for saving power in an ethernet switching device, comprising:
setting port information for executing an energy-saving strategy in Ethernet switching equipment;
and according to the set port information, when detecting that the port executing the energy-saving strategy has no link energy, adjusting the port to a low-power-consumption working state.
2. The energy saving method of the ethernet switching device according to claim 1, wherein the setting of the port information for executing the energy saving policy in the ethernet switching device specifically includes:
setting all ports or part of ports of the Ethernet switching equipment as ports for executing an energy-saving strategy;
and storing the set port information for executing the energy-saving strategy.
3. The power saving method of ethernet switching device according to claim 2, wherein after storing the set port information for executing the power saving policy, the method further comprises: modifying the stored port information for executing the energy-saving strategy.
4. The method of claim 1, wherein after adjusting the port to the low power operation state when no link energy is detected at the port executing the power saving policy, the method further comprises: and when detecting that the port executing the energy-saving strategy has link energy, restoring the port from a low-power-consumption working state to a normal-power-consumption working state.
5. An ethernet switching device, comprising: the device comprises a port information setting module and a power consumption adjusting module which are connected with each other; wherein,
the port information setting module is used for setting the port information for executing the energy-saving strategy in the Ethernet switching equipment;
and the power consumption adjusting module is used for adjusting the port to a low power consumption working state when detecting that the port executing the energy-saving strategy has no link energy according to the set port information.
6. The Ethernet switching device of claim 5, wherein the port information setting module comprises: the system comprises a port information setting submodule, a port information storage submodule and a port information modification submodule; wherein,
the port information setting submodule is used for setting all ports or part of ports of the Ethernet switching equipment as ports for executing an energy-saving strategy;
the port information storage submodule is used for storing the set port information for executing the energy-saving strategy;
and the information modification submodule is used for modifying the stored port information for executing the energy-saving strategy.
7. The Ethernet switching device of claim 5, wherein the power consumption adjustment module comprises: the link energy detection submodule and the low-power consumption adjustment submodule are connected with each other; wherein,
the link energy detection submodule is used for detecting the link energy of the port executing the energy-saving strategy;
and the low-power consumption adjusting submodule is used for adjusting the port to a low-power consumption working state when the link energy detection submodule detects that the port executing the energy-saving strategy has no link energy.
8. The ethernet switching device of claim 7, wherein the power consumption adjustment module further comprises: and the normal power consumption recovery submodule is connected with the link energy detection submodule and is used for recovering the port from the low power consumption working state to the normal power consumption working state when the link energy detection submodule detects that the port executing the energy-saving strategy has link energy.
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