CN101170453A - A network layer configuration method, system and network device - Google Patents
A network layer configuration method, system and network device Download PDFInfo
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Abstract
The embodiment of the invention discloses a network layer configuration method, including: a new configuration to receive the network layer; the invention detects whether the network passage which is corresponding to the new configuration is reachable; and the configuration which is used by the network layer is determined according to the detection results. The invention also discloses a network layer configuration system and a network equipment at the same time. The usage of the invention can restore the original configuration of the network layer without the need of implementation of base station system reset when the network passage which is corresponding to the new configuration of the network layer can not be reached, so as to realize the business continuity.
Description
Technical Field
The present invention relates to the field of network communication technologies, and in particular, to a method, a system, and a network device for network layer configuration.
Background
The Institute of Electrical and Electronics Engineers (IEEE) 802.16e system is a Mobile broadband wireless access system, which mainly comprises a Mobile Station (MS) and a Base Station (BS). Wherein, the base stations are widely distributed and have a large number. The near-end maintenance of the base station by the maintenance personnel is work with high cost, low efficiency and poor timeliness. Therefore, the probability of near-end maintenance is reduced, the remote maintenance capability of the base station is improved, and the method is an effective measure for improving the product competitiveness at present.
In the remote maintenance of the base station, a necessary condition is that the network between the remote maintenance end and the base station must be cleared. Wherein, the network is unblocked comprising two aspects, one aspect is unblocked physical links; another aspect is that the network layer configuration must be correct. When the networking scheme is changed, the network layer configuration must be modified accordingly, for example, when an Internet Protocol (IP) address is changed, the network layer configuration data needs to be modified again so as to adapt to a new IP address.
In the prior art, when a networking scheme is changed, such as an IP address is changed, a network layer reconfiguration method comprises the steps of performing reachability detection on the next hop of the network layer, and deleting the original configuration of the network layer if the next hop of the network layer is reachable; otherwise, resetting the BS system is executed, and network layer reconfiguration is carried out through returning the configuration recovery operation to the data before the network layer configuration.
Typically, the network layer next hop refers to the first routing address, typically a gateway, that the BS enters the internetwork. In this way, it can be achieved that when a networking scheme, such as an IP address, changes, the network layer reconfigures to continue the processing of the traffic. However, in this way, when the next hop of the network layer is not reachable, for example, when the gateway is not reachable, the system needs to be reset to recover the state before the network layer is configured. And in the reset process of the system, the service is completely interrupted. This causes service discontinuity and thus a great loss to the operator.
Disclosure of Invention
Embodiments of the present invention provide a method and a system for network layer configuration, and a network device, which can recover the original configuration of a network layer without performing a base station system reset when a next hop of a new configuration of the network layer is not reachable, thereby implementing service continuity.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method of network layer configuration, comprising:
receiving a new configuration of a network layer;
detecting whether the network channel corresponding to the new configuration is reachable;
and determining the configuration to be used by the network layer according to the detection result.
A system for network layer configuration, comprising: maintaining the terminal and the network equipment; wherein,
the maintenance terminal is configured to send the new configuration of the network layer to the network device;
and the network equipment is used for detecting whether the network channel corresponding to the new configuration of the network layer is accessible after receiving the new configuration of the network layer, and determining the configuration to be used by the network layer according to the detection result.
A network device, comprising: a receiving unit, a detecting unit and a determining unit; wherein,
the receiving unit is configured to receive a new configuration of the network layer, and add the configuration to the network layer after receiving the configuration;
the detection unit is used for detecting whether the network channel corresponding to the new configuration of the network layer is reachable or not and sending the detection result to the determination unit;
and the determining unit is used for determining the configuration to be used by the network layer according to the received detection result sent by the detecting unit.
As can be seen from the foregoing technical solutions, in the method, the system, and the network device for configuring a network layer according to the embodiments of the present invention, by receiving a new configuration of the network layer, it is detected whether a network channel corresponding to the new configuration is reachable, and a configuration to be used by the network layer is determined according to a detection result. When the next hop of the new configuration of the network layer is not reachable, the original configuration of the network layer can be recovered without executing the resetting of the base station system, thereby realizing the continuity of the service.
Drawings
Fig. 1 is a flowchart of a method for configuring a network layer according to an embodiment of the present invention;
FIG. 2 is a system diagram of network layer configuration in an embodiment of the present invention;
fig. 3 is a structural composition diagram of a network device in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
Different from the prior art, the embodiment of the invention receives the new configuration of the network layer; detecting whether the network channel corresponding to the new configuration is reachable; according to the detection result, the configuration to be used by the network layer is determined, so that when the network channel corresponding to the new configuration of the network layer is not reachable, the original configuration of the network layer can be recovered without executing the resetting of the base station system, thereby realizing the continuity of the service and reducing the risk of the configuration of the network layer.
Referring to fig. 1, fig. 1 is a flowchart of a method for configuring a network layer according to an embodiment of the present invention. As shown in fig. 1, the process includes the following:
In this step, the new configuration of the receiving network layer may be an IP, a route, or an address of a gateway. Wherein, as to how to receive the new configuration of the network layer is similar to the prior art, the description is omitted here.
The TCP/IP protocol provides that a network card can bind at least one new IP. Similarly, the route and the gateway can be configured with at least one new route and gateway. Therefore, in this step, the number of new configurations of the network layer may be not less than 1.
102, detecting whether a network channel corresponding to the new configuration of the network layer is reachable, and if so, executing 103; otherwise, step 104 is performed.
In this step, the network channel corresponding to the new configuration of the network layer is a channel which reaches the gateway by combining the new configuration of the network layer and the original configuration of the network layer; or, newly configuring a channel reaching the gateway for the network layer. For example, if the new configuration of the network layer is an IP address, the channel formed by the IP address and the gateway and the route in the original configuration of the network layer is also a network channel corresponding to the new configuration of the network layer, that is, a new channel. Of course, a new IP address of the network layer and other new configurations, such as routing, of the network channel corresponding to the IP address may also be configured at the same time, and specific situations should be specifically analyzed.
In this step, detecting whether the newly configured network channel of the network layer is reachable specifically includes:
a1: and sending an Internet Control Message Protocol (ICMP) message to the gateway through a network channel corresponding to the new configuration of the network layer.
A2: before reaching the gateway, the ICMP message carries the routing information that the ICMP message passes through.
A3: and the gateway returns the ICMP message carrying the routing information.
A4: and detecting the routing information carried by the returned ICMP message, judging whether the routing information is the information of the network channel corresponding to the new configuration of the network layer or not under the condition that the gateway is detected to be reachable, if so, enabling the network channel corresponding to the new configuration of the network layer, otherwise, not enabling the network channel corresponding to the new configuration of the network layer.
In application, when it is detected that the gateway is reachable, it may happen that the ICMP packet adopts a network channel corresponding to the original configuration of the network layer. Therefore, in order to prevent this, in step a4, when it is detected that the gateway is reachable, it is further determined whether the routing information is information of a network channel corresponding to the new configuration of the network layer. Of course, when it is detected that the gateway is unreachable, the network layer must newly configure the corresponding network channel.
Of course, in this embodiment, it is also possible to detect whether the network channel corresponding to the new configuration of the network layer is reachable by using other methods instead of sending the ICMP message. Such as other commands or notifications that carry routing information may be employed.
In this embodiment, when it is detected that the network channel corresponding to the new configuration of the network layer is reachable, the original configuration of the network layer is deleted, and it is determined that the new configuration of the network layer received in step 101 is the configuration to be used by the network layer. Therefore, the risk of remote maintenance of the base station system can be reduced, and errors caused by new data configured by a network layer can be avoided; or the sequence of new network layer configuration is wrong, so that the base station cannot be remotely maintained. Thus, the network layer can receive and transmit the IP message through the new configuration of the received network layer.
And 104, deleting the new configuration of the network layer received in the step 101, and taking the original configuration of the network layer as the configuration to be used by the network layer.
In this step, when it is detected that the network channel corresponding to the new configuration of the network layer is not reachable, the new configuration of the network layer received in step 101 is directly deleted, and the original configuration of the network layer is continuously used for service processing.
It can be seen from the above steps that no matter whether the new configuration of the network layer is successful, the network layer can receive and transmit the IP packet without causing service interruption.
Embodiments of the present invention may be applied to any situation where network layer configuration is modified through a remote network connection.
The following describes a system for configuring a network layer according to an embodiment of the present invention.
Referring to fig. 2, fig. 2 is a system diagram of network layer configuration in the embodiment of the present invention. As shown in fig. 2, the system includes: maintaining the terminal 201 and the network device 202.
The maintenance terminal 201 is configured to send the new configuration of the network layer sent by the user to the network device 202.
The network device 202 is configured to detect whether a network channel corresponding to the new configuration of the network layer is reachable after receiving the new configuration of the network layer, and determine a configuration to be used by the network layer according to a detection result.
Further, the network device 202 may also send the configuration to be used by the determined network layer to the maintenance terminal 201.
Further, the system may further include: the gateway 203, wherein the network device 202 detects whether a network channel corresponding to the new configuration of the network layer is reachable, which may specifically include:
the network device 201 sends an ICMP message to the gateway 203 through the network channel corresponding to the new configuration of the network layer; the ICMP message carries routing information it passes through before reaching the gateway 203.
The network device 202 receives the ICMP message carrying the routing information returned by the gateway 203.
The network device 202 detects routing information carried in the received ICMP packet, and determines whether the routing information is information of a network channel corresponding to the new configuration of the network layer when it is detected that the gateway 203 is reachable, and if so, the network channel corresponding to the new configuration is reachable, otherwise, the network channel corresponding to the new configuration is not reachable.
The maintenance terminal 201 may send the new configuration of the network layer to the network device 202 through the gateway 203, or may not send the new configuration of the network layer to the network device 202 through the gateway 203, where the specific situation needs to be specifically analyzed.
In this embodiment, it is assumed that the maintenance terminal 201 sends the new configuration of the network layer to the network device 202 through the gateway 203. Also, the network device 202 transmits the configuration to be used by the determined network layer to the maintenance terminal 201 through the gateway 203.
In this embodiment, the network device 202 may be a base station, or may be other devices that modify network layer configuration through remote network connection, such as a base station controller.
The structural composition diagram of the network device 202 is shown in fig. 3. Referring to fig. 3, fig. 3 is a structural composition diagram of a network device in the embodiment of the present invention. As shown in fig. 3, the network device mainly includes: a receiving unit 301, a detecting unit 302 and a determining unit 303.
The receiving unit 301 is configured to receive a new configuration of a network layer, and add the configuration to the network layer after receiving the configuration.
The detecting unit 302 is configured to detect whether a network channel corresponding to the new configuration of the network layer is reachable, and send a detection result to the determining unit 303.
The determining unit 303 is configured to determine a configuration to be used by the network layer according to the detection result sent by the detecting unit 302.
The detection unit 302 may further include: a message sending subunit 3021 and a detection subunit 3022.
The message sending subunit 3021 is configured to send the ICMP message to the gateway through the network channel corresponding to the new configuration in the network layer.
The detecting subunit 3022 is configured to detect routing information carried in an ICMP packet returned by the gateway, and when it is detected that the gateway is reachable, determine whether the routing information is information of a network channel corresponding to the new configuration of the network layer, if so, the network channel corresponding to the new configuration of the network layer is reachable, otherwise, the network channel corresponding to the new configuration of the network layer is not reachable, and send the final detection result to the determining unit 303.
The determining unit 303 may include a first execution sub-unit 3031 and a first processing sub-unit 3032.
The first executing subunit 3031 is configured to, when receiving the detection result sent by the detecting subunit 3022 that the network channel corresponding to the new configuration of the network layer is reachable, delete the original configuration of the network layer, save the new configuration of the network layer received by the receiving unit 301, and send an execution notification to the first processing subunit 3032.
The first processing subunit 3032 is configured to determine the new configuration of the network layer, which is saved by the first execution subunit 3031, as the configuration to be used by the network layer.
When the network channel corresponding to the new configuration of the network layer is not reachable, the determining unit 303 may include a second performing subunit 3033 and a second processing subunit 3034.
The second executing subunit 3033 is configured to, when the detection result sent by the detecting subunit 3022 is that the network channel corresponding to the new configuration of the network layer is not reachable, delete the new configuration of the network layer received by the receiving unit 301, and send an execution notification to the second processing subunit 3034.
The second processing subunit 3034 is configured to determine the original configuration of the network layer as the configuration to be used by the network layer.
As can be seen from the foregoing embodiments, in the embodiments of the present invention, by receiving the new configuration of the network layer, whether the network channel corresponding to the new configuration of the network layer is reachable is detected, and the configuration to be used by the network layer is determined according to the detection result. When the next hop of the new configuration of the network layer is not reachable, the original configuration of the network layer can be recovered without executing the resetting of the base station system, thereby realizing the continuity of the service.
It should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (12)
1. A method for network layer configuration, the method comprising:
receiving a new configuration of a network layer;
detecting whether the network channel corresponding to the new configuration is reachable;
and determining the configuration to be used by the network layer according to the detection result.
2. The method of claim 1, wherein the detecting whether the network channel corresponding to the new configuration is reachable includes:
sending an internetwork control message protocol ICMP message to a gateway through a network channel corresponding to the new configuration of the network layer;
before an internet control message protocol ICMP message reaches the gateway, carrying the routing information passing through the gateway;
receiving the gateway returning the internetwork control message protocol ICMP message carrying the routing information;
and detecting the routing information carried by the received internetwork control message protocol ICMP message, and judging whether the routing information is the information of the network channel corresponding to the new configuration under the condition that the gateway is detected to be reachable, wherein if the routing information is the information of the network channel corresponding to the new configuration, the network channel corresponding to the new configuration is reachable, and if not, the network channel corresponding to the new configuration is unreachable.
3. The method according to claim 1, wherein the determining the configuration to be used by the network layer according to the detection result specifically comprises:
and when the detection result is that the network channel corresponding to the new configuration is reachable, deleting the original configuration of the network layer, and determining the received new configuration of the network layer as the configuration to be used by the network layer.
4. The method according to claim 1, wherein the determining the configuration to be used by the network layer according to the detection result specifically comprises:
and when the detection result indicates that the network channel corresponding to the new configuration is not reachable, deleting the received new configuration of the network layer, and determining the original configuration of the network layer as the configuration to be used by the network layer.
5. The method according to any of claims 1-4, wherein the network channel corresponding to the new configuration is a channel that arrives at the gateway by combining the new configuration of the network layer with the original configuration of the network layer; or, a new configuration for the network layer is used to reach the gateway.
6. A system for network layer configuration, the system comprising: maintaining the terminal and the network equipment; wherein,
the maintenance terminal is configured to send the new configuration of the network layer to the network device;
and the network equipment is used for detecting whether the network channel corresponding to the new configuration of the network layer is accessible after receiving the new configuration of the network layer, and determining the configuration to be used by the network layer according to the detection result.
7. The system of claim 6, wherein the network device is further configured to send the determined configuration to be used by the network layer to a maintenance terminal.
8. The system of claim 6, further comprising a gateway;
the network device detecting whether the network channel corresponding to the new configuration of the network layer is reachable includes:
the network equipment sends an internetwork control message protocol ICMP message to a gateway through a network channel corresponding to the new configuration of the network layer;
before an internet control message protocol ICMP message reaches the gateway, carrying the routing information passing through the gateway;
the network equipment receives the gateway to return the internetwork control message protocol ICMP message carrying the routing information;
and the network equipment detects the routing information carried by the received internetwork control message protocol ICMP message, judges whether the routing information is the information of the network channel corresponding to the new configuration under the condition that the gateway is detected to be reachable, if so, the network channel corresponding to the new configuration is reachable, otherwise, the network channel corresponding to the new configuration is not reachable.
9. A network device, characterized in that the device comprises: a receiving unit, a detecting unit and a determining unit; wherein,
the receiving unit is configured to receive a new configuration of a network layer, and add the new configuration to the network layer after receiving the new configuration;
the detection unit is used for detecting whether the network channel corresponding to the new configuration of the network layer is reachable or not and sending the detection result to the determination unit;
the determining unit is configured to determine the configuration to be used by the network layer according to the detection result sent by the detecting unit.
10. The network device of claim 9, wherein the detection unit comprises: a message sending subunit and a detection subunit; wherein,
the message sending subunit is configured to send an internetwork control message protocol ICMP message to the gateway through a network channel corresponding to the new configuration of the network layer;
the detecting subunit is configured to detect routing information carried in an internetwork control message protocol ICMP message returned by the gateway, and when it is detected that the gateway is reachable, determine whether the routing information is information of a network channel corresponding to the new configuration of the network layer, if so, the network channel corresponding to the new configuration of the network layer is reachable, otherwise, the network channel corresponding to the new configuration of the network layer is not reachable, and send a final detection result to the determining unit.
11. The network device of claim 9, wherein the determining unit includes a first performing subunit and a first processing subunit; wherein,
the first execution subunit is configured to delete the original configuration of the network layer when the network channel corresponding to the new configuration of the network layer is reachable, and send an execution notification to the first processing subunit;
the first processing subunit is configured to, after receiving the execution notification, determine the new configuration of the network layer received by the receiving unit as a configuration to be used by the network layer.
12. The network device of claim 9, wherein the determining unit further comprises a second performing subunit and a second processing subunit; wherein,
the second execution subunit is configured to, when a network channel corresponding to the new configuration of the network layer is not reachable, delete the new configuration of the network layer received by the receiving unit, and send an execution notification to the second processing subunit;
and the second processing subunit is configured to, after receiving the execution notification, determine the original configuration of the network layer as the configuration to be used by the network layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101990047A CN101170453A (en) | 2007-12-05 | 2007-12-05 | A network layer configuration method, system and network device |
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| CNA2007101990047A CN101170453A (en) | 2007-12-05 | 2007-12-05 | A network layer configuration method, system and network device |
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Open date: 20080430 |