CN111464438B - Method and device for managing state of VRRP node, and method and device for improving equipment - Google Patents
Method and device for managing state of VRRP node, and method and device for improving equipment Download PDFInfo
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- CN111464438B CN111464438B CN202010143195.0A CN202010143195A CN111464438B CN 111464438 B CN111464438 B CN 111464438B CN 202010143195 A CN202010143195 A CN 202010143195A CN 111464438 B CN111464438 B CN 111464438B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
Abstract
The invention discloses a state management method of VRRP nodes, a device improvement method and a device, wherein the state management method comprises the following steps: and when the number of the state marks of the VRRP nodes meets the regulation threshold value, regulating the priority of the VRRP nodes in the corresponding VRRP group. The equipment improvement method comprises the following steps: setting a monitoring thread for the VRRP equipment, and recording the priority and the state mark of the VRRP equipment in different backup groups, wherein the state mark comprises the master equipment and the slave equipment; and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjusting threshold value, and adjusts the priority of the VRRP equipment in the corresponding backup group. The apparatus is for performing a method. The embodiment of the invention can reduce the load of the VRRP nodes by adjusting the priority according to the number of the state marks, is beneficial to improving the overall safety of the VRRP group, and improves the transmission efficiency by keeping reasonable load.
Description
Technical Field
The present invention relates to the field of routing technologies, and in particular, to a method and an apparatus for state management of a VRRP node, and a method and an apparatus for improving a device.
Background
VRRP is a fault tolerant protocol used in static route protection, which simplifies the configuration of hosts while improving reliability. The VRRP protocol selects one router as a main device from a plurality of router gateways configured with the same VRRP backup group, and other devices are backup devices. The master device usually sends a VRRP notification multicast packet through a CPU or other hardware assistance (such as FPGA, etc.), the backup device determines whether operations such as state switching (such as switching from a slave state to a master state) are required according to the received VRRP packet, and meanwhile, the packet processing performance of the VRRP directly affects the switching performance of a VRRP backup group.
With the increase of the complexity of the network environment, multiple VRRP backup groups are usually configured on one router to meet the application requirements of multiple gateways, backup protection of multiple links, load sharing, and the like, so that the requirement on the sending performance of the primary router in the VRRP backup groups is higher and higher. This is especially true when multiple VRRP backup groups exist for a router and the router is the primary for these multiple backup groups: on one hand, the packet sending efficiency is influenced, and meanwhile, the sending bandwidth of the port is also occupied, so that the performance of other services is further influenced.
Disclosure of Invention
The present invention is directed to at least alleviating one of the technical problems in the prior art. Therefore, the invention provides a state management method and a state management system of a VRRP node.
In a first aspect, an embodiment of the present invention provides a method for managing a state of a VRRP node, including: and when the number of the state marks of the VRRP nodes meets the regulation threshold value, regulating the priority of the VRRP nodes in the corresponding VRRP group, wherein the state marks comprise a master state and a slave state.
The state management method of the VRRP node of the embodiment of the invention at least has the following beneficial effects: by adjusting the priority according to the number of status flags, the load on the VRRP nodes can be reduced, which contributes to improving the overall security of the VRRP group, and improves the transmission efficiency by maintaining a reasonable load.
According to the state management method of the VRRP node of the other embodiments of the present invention, the VRRP node belongs to different VRRP groups and is provided with a corresponding state flag; correspondingly, when the number of the state marks of the main state is larger than a first threshold value, the priority of the VRRP node in at least one VRRP group is reduced; when the number of state flags of the master state is lower than a second threshold value, increasing the priority of the VRRP node in at least one VRRP group; when the number of the state flags of the slave state is larger than a third threshold value, increasing the priority of the VRRP node in at least one VRRP group; when the number of state flags of the slave state is below a fourth threshold, the priority of the VRRP node in at least one VRRP group is lowered. Through a specific scheme for adjusting the priority, the method can adapt to various actual conditions, and can improve the overall safety.
In a second aspect, an embodiment of the present invention provides a VRRP device improvement method, including: setting a monitoring thread for the VRRP equipment, and recording the priority and the state mark of the VRRP equipment in different backup groups, wherein the state mark comprises a master device and a slave device; and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjustment threshold value, and adjusts the priority of the VRRP equipment in the corresponding backup group.
The VRRP equipment improvement method of the embodiment of the invention at least has the following beneficial effects: the recording of the priority and the status marks can be realized through the monitoring thread, the burden of the VRRP equipment can be reduced by adjusting the priority according to the number of the status marks, the overall safety of the backup group is improved, and the transmission efficiency is improved by keeping reasonable burden.
According to another embodiment of the present invention, before setting a monitoring thread for a VRRP device, the method for improving a VRRP device further includes: determining that the VRRP equipment can perform dynamic priority adjustment, and giving a corresponding adjustable mark; correspondingly, when the monitoring thread detects an adjustable flag, the priority in the corresponding backup group is adjusted upon detecting that the number of status flags of the VRRP device satisfies the adjustment threshold. By endowing the adjustable mark, the adjustable state of the VRRP equipment can be controlled conveniently.
According to another embodiment of the present invention, a method for improving a VRRP device, which determines that the VRRP device can perform dynamic priority adjustment and assign a corresponding adjustable flag, specifically includes: determining that the VRRP device is capable of performing dynamic priority adjustment, assigning a corresponding adjustable flag, and setting an adjustment threshold based on the performance of the VRRP device. The threshold is adjusted according to the specific performance setting of the equipment, the function of the equipment can be reasonably arranged, and the transmission efficiency is improved.
According to the VRRP device improvement method of some embodiments of the present invention, the monitoring thread is further configured to obtain a priority of an opposite device connected to the VRRP device; correspondingly, the monitoring thread adjusts the priority of the VRRP equipment in the corresponding backup group according to the priority of the opposite terminal equipment. By acquiring the priority of the opposite-end equipment, the precision of adjusting the priority can be improved, and the overall efficiency can be improved.
According to the VRRP equipment improvement method of other embodiments of the invention, the VRRP equipment belongs to different backup groups and is provided with corresponding state marks; correspondingly, when the number of the state marks of the main equipment is larger than a first threshold value, the priority of the VRRP equipment in at least one backup group is reduced; when the number of the state marks of the main equipment is lower than a second threshold value, the priority of the VRRP equipment in at least one backup group is improved; when the number of the state marks of the slave equipment is larger than a third threshold value, the priority of the VRRP equipment in at least one backup group is increased; and when the number of the state marks of the slave devices is lower than a fourth threshold value, the priority of the VRRP device in at least one backup group is reduced. Through a specific scheme for adjusting the priority, the method can adapt to various actual conditions, and can improve the overall safety.
In a third aspect, an embodiment of the present invention provides a state management apparatus for a VRRP node, including: and the monitoring unit is used for adjusting the priority of the VRRP nodes in the corresponding VRRP group when the number of the state marks of the VRRP nodes meets an adjustment threshold, wherein the state marks comprise a master state and a slave state.
Drawings
Fig. 1 is a flowchart illustrating a state management method for a VRRP node according to an embodiment of the present invention;
FIG. 2 is a diagram of parameter settings in an embodiment of the present invention;
FIG. 3 is a flowchart illustrating the operation of a VRRP monitor thread according to an embodiment of the present invention;
FIG. 4 is a flowchart of an embodiment of a VRRP thread in accordance with the present invention;
fig. 5 is a comparison diagram of VRRP devices before and after priority adjustment in an embodiment of the present invention.
Detailed Description
The idea of the invention and the resulting technical effects will be clearly and completely described below in connection with the embodiments, so that the objects, features and effects of the invention can be fully understood. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1, a state management method for a VRRP node in the embodiment of the present invention is shown, including:
and S0, when the number of the state marks of the VRRP nodes meets an adjustment threshold, adjusting the priority of the VRRP nodes in the corresponding VRRP group, wherein the state marks comprise a master state and a slave state.
The VRRP node is a node that performs packet/data transmission based on the VRRP protocol, and is specifically used for receiving, forwarding, and outputting packets/data. The VRRP node comprises a device of an entity or a functional non-entity formed based on software. Individual VRRP nodes do not exist independently, nor generally in only one VRRP group. A VRRP group is a transport network consisting of several VRRP nodes, in which messages/data are passed. The priority is used for determining the master-slave state between two VRRP nodes through the comparison of the priority, namely, according to the VRRP protocol standard, the backup equipment in the VRRP group compares the priority in the VRRP message with the priority in the self and the VRRP message, and whether to switch the master/slave state is determined through the comparison result.
The state management method of the VRRP node of the embodiment of the invention at least has the following beneficial effects: by adjusting the priority according to the number of status flags, the load on the VRRP nodes can be reduced, which contributes to improving the overall security of the VRRP group, and improves the transmission efficiency by maintaining a reasonable load.
According to the state management method of the VRRP node of another embodiment of the present invention, the VRRP node belongs to different VRRP groups and is provided with a corresponding state flag; correspondingly, when the number of the state marks of the main state is larger than a first threshold value, the priority of the VRRP node in at least one VRRP group is reduced; when the number of the state marks of the main state is lower than a second threshold value, the priority of the VRRP node in at least one VRRP group is improved; when the number of the state marks of the slave state is larger than a third threshold value, the priority of the VRRP node in at least one VRRP group is increased; when the number of state flags of the slave state is below a fourth threshold, the priority of the VRRP node in at least one VRRP group is lowered. Through a specific scheme for adjusting the priority, various actual requirements can be met, and the overall safety can be improved.
One embodiment of the invention provides a VRRP device improvement method, which comprises the following steps: setting a monitoring thread for the VRRP equipment, and recording the priority and the state mark of the VRRP equipment in different backup groups, wherein the state mark comprises a master device and a slave device; and the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjustment threshold value, and adjusts the priority of the VRRP equipment in the corresponding backup group.
The VRRP equipment is equipment for data interaction based on a VRRP protocol and can be a router. A backup group is a collection of transport networks consisting of several VRRP devices.
The VRRP equipment improvement method of the embodiment of the invention at least has the following beneficial effects: the recording of the priority and the state marks can be realized through the monitoring thread, the load of the VRRP equipment can be reduced by adjusting the priority according to the number of the state marks, the overall safety of the backup group is improved, and the transmission efficiency is improved by keeping reasonable load.
According to another embodiment of the present invention, before setting a monitoring thread for a VRRP device, the method for improving a VRRP device further includes: determining that the VRRP equipment can perform dynamic priority adjustment, and giving a corresponding adjustable mark; correspondingly, when the monitoring thread detects an adjustable flag, the priority in the corresponding backup group is adjusted when detecting that the number of status flags of the VRRP device satisfies the adjustment threshold. The adjustable mark is endowed, so that the external control of the adjustable state of the VRRP equipment is facilitated, and a corresponding priority adjustment scheme is established, for example, the equipment A is connected with the equipment B, the equipment A can be adjusted, the equipment B cannot be adjusted, and when the equipment B needs to be adjusted, the master-slave relationship between the equipment A and the equipment B can be indirectly changed by adjusting the priority of the equipment A.
According to another embodiment of the present invention, a method for improving a VRRP device, which determines that the VRRP device can perform dynamic priority adjustment and assign a corresponding adjustable flag, specifically includes: determining that the VRRP device is capable of performing dynamic priority adjustment, assigning a corresponding adjustable flag, and setting an adjustment threshold based on the performance of the VRRP device. The threshold is adjusted according to the specific performance setting of the equipment, the function of the equipment can be reasonably arranged, and the transmission efficiency is improved.
According to the VRRP device improvement method of some embodiments of the present invention, the monitoring thread is further configured to obtain a priority of an opposite device connected to the VRRP device; correspondingly, the monitoring thread adjusts the priority of the VRRP equipment in the corresponding backup group according to the priority of the opposite terminal equipment. By acquiring the priority of the opposite terminal equipment, the precision of adjusting the priority can be improved, and the overall efficiency can be improved. Because a single VRRP device may be connected to multiple backup groups, because multiple backup groups may be affected if the priority is modified by a large amount, precise modifications are required to reduce the impact on the whole (i.e., multiple backup groups).
According to the VRRP equipment improvement method of other embodiments of the invention, the VRRP equipment belongs to different backup groups and is provided with corresponding state marks; correspondingly, when the number of the state marks of the main equipment is larger than a first threshold value, the priority of the VRRP equipment in at least one backup group is reduced; when the number of the state marks of the main equipment is lower than a second threshold value, the priority of the VRRP equipment in at least one backup group is improved; when the number of the state marks of the slave equipment is larger than a third threshold value, the priority of the VRRP equipment in at least one backup group is improved; and when the number of the state marks of the slave devices is lower than a fourth threshold value, the priority of the VRRP device in at least one backup group is reduced. Through a specific scheme for adjusting the priority, the method can adapt to various actual conditions, and can improve the overall safety. The first threshold, the second threshold, the third threshold and the fourth threshold are preset numerical values and belong to adjusting thresholds.
One embodiment of the present invention provides a state management apparatus for a VRRP node, including: and the monitoring unit is used for adjusting the priority of the VRRP nodes in the corresponding VRRP group when the number of the state marks of the VRRP nodes meets an adjustment threshold, wherein the state marks comprise a master state and a slave state.
The specific application principle of the state management device comprises:
the first step is as follows: a dynamic adjustment device (i.e., a monitoring unit) is introduced into the VRRP module of the router, and the device monitors the number of backup sets (i.e., groups) of VRRPs and the master and slave states in the backup sets.
The second step is that: the dynamically adjustable device is enabled by enabling a "dynamically adjust run priority" switch in the VRRP module of the configuration router.
The third step: the dynamic adjusting device records the main state and the slave state of the equipment (VRRP node) and each VRRP backup group according to the received VRRP message, and also records the identification (such as IP) and the priority of the opposite terminal equipment if the dynamic adjusting device is used as the backup equipment, and the priority is used as the reference for dynamically adjusting the priority of the dynamic adjusting device.
The fourth step: if the dynamic adjusting device monitors that the number of the equipment as the master equipment or the slave equipment is brought to a certain threshold value (configurable), the adjustment of the dynamic priority is started, and the self priority is reduced and improved according to the priority recorded in the third step to adjust and control the proportion of the equipment as the master equipment or the slave equipment.
The fifth step: after the priority is adjusted, the VRPP backup group can achieve the main and backup switching according to the comparison result of the priority, so that the purposes of reducing the CPU bandwidth, improving the sending efficiency and switching part of messages to other routers to achieve load balancing can be achieved.
Example 2.
The purpose of this embodiment is to provide a specific VRRP device improvement flow:
step one, a monitoring thread (hereinafter referred to as a monitoring thread for short) is implemented in the VRRP module, and the monitoring thread records the device identifier and the priority information of each VRRP backup group (refer to a parameter setting diagram shown in fig. 2, including a VRRP device group ID (which may be specifically set to 10/20), a master device priority (e.g., 200/220), a master device address (e.g., 192.168.2.200/192.168.3.200)), and a slave device priority (e.g., 100/200).
And step two, configuring a global variable (monitoring mark for short) in the VRRP module to identify whether to enable dynamic operation priority adjustment.
And step three, configuring a dynamically adjusted threshold (such as percentage) in the VRRP module, and dynamically adjusting the priority when the monitoring state reaches the monitoring threshold.
And step four, recording the priority of the main equipment in each backup group in the normal running process of the monitoring thread.
And step five, if the monitoring thread checks the enabling of the monitoring mark, entering a dynamic monitoring and adjusting stage.
And step six, the monitoring thread analyzes the state in each backup group, if the proportion of a certain router serving as the main equipment in each backup group reaches a set threshold, the priority of the equipment in the corresponding part of the backup groups is dynamically improved (the priority is higher than that of the current main equipment), and the equipment is promoted to be in the main state, so that the load of an opposite end heavier than the router is reduced, and the purposes of shunting and improving the performance are achieved.
And step seven, the monitoring thread analyzes the states in each backup group, if the equipment is found to bear the main equipment in a plurality of backup groups and the number reaches a set threshold, the priority of the equipment is reduced in the corresponding part of the backup groups, the equipment is gradually reduced into the slave equipment, so that the load of the equipment is reduced, and the flow is distributed to other routers for processing.
The specific VRRP monitor thread operation diagram shown in fig. 3:
s1, judging whether a VRRP monitoring thread executes monitoring enabling or not, and if so, executing S2;
s2, inquiring a global record table, analyzing the distribution conditions of the master equipment and the slave equipment, and selecting to execute the step S21 or the step S22 according to the specific distribution conditions;
step S21, judging that the number of the equipment serving as the main equipment reaches a set threshold value, if so, executing step S31, otherwise, returning to the step S1;
s22, judging that the number of the equipment serving as slave equipment reaches a set threshold value, if so, executing a step S32, otherwise, returning to the step S1;
step S31, according to the record list information, reducing the priority of the equipment in part of equipment groups, and executing step S4;
step S32, according to the record list information, the priority of the equipment in a part of equipment groups is improved, and step S4 is executed;
and S4, adjusting the mark priority and returning to the step S1.
The operation diagram of the specific VRRP thread shown in fig. 4 is as follows:
step S01, judging whether the current equipment belongs to the main equipment, if so, executing step S02, otherwise, executing step S04;
s02, recording the device identification and the priority (refreshing a global record table), and executing the step S03;
and S03, judging whether to adjust the priority, if so, updating the VRRP operation priority and sending the VRRP message, otherwise, directly sending the VRRP message.
S04, receiving a VRRP message, and executing the step S05;
and S05, judging whether priority adjustment is carried out or not, if so, updating the VRRP running priority, recording the identification and the priority of the opposite-end main equipment (and refreshing the global record table), and if not, directly recording the identification and the priority of the opposite-end main equipment (and refreshing the global record table).
A comparison diagram of VRRP devices before and after prioritization as shown in figure 5.
The VRRP equipment comprises an access switch, routers 1 and 2.
Before adjustment, the router 1 is respectively used as a main device in different clusters (VRID 1/2/3/4); the routers 2 are respectively taken as slave devices in different clusters (VRID 1/2/3/4). The router performs transmission or reception according to a specific state.
After adjustment, the router 1 is used as a master device in the cluster (VRID 1/2) and used as a slave device in the cluster (VRID 3/4); the router 2 acts as a slave in a different cluster (VRID 1/2) and as a master in a cluster (VRID 3/4). The router performs transmission or reception according to a specific state.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (6)
- The state management method of the VRRP node is characterized by comprising the following steps:when the number of state labels of the VRRP nodes meets an adjustment threshold, adjusting the priority of the VRRP nodes in a corresponding VRRP group, wherein the state labels comprise a master state and a slave state;the VRRP nodes belong to different VRRP groups and are provided with corresponding state marks; in a corresponding manner,when the number of state flags of the master state is greater than a first threshold, reducing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the master state is lower than a second threshold, increasing the priority of the VRRP node in at least one VRRP group;when the number of state flags of a slave state is greater than a third threshold value, increasing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the slave state is below a fourth threshold, decreasing the priority of the VRRP node in at least one VRRP group.
- The VRRP equipment improvement method is characterized by comprising the following steps:setting a monitoring thread for VRRP equipment, and recording priorities and state marks of the VRRP equipment in different backup groups, wherein the state marks comprise master equipment and slave equipment;the monitoring thread detects that the number of the state marks of the VRRP equipment meets an adjusting threshold value, and adjusts the priority of the VRRP equipment in a corresponding backup group;the VRRP equipment belongs to different backup groups and is provided with corresponding state marks; in a corresponding manner,when the number of the state marks of the main equipment is larger than a first threshold value, reducing the priority of the VRRP equipment in at least one backup group;when the number of the state marks of the main equipment is lower than a second threshold value, the priority of the VRRP equipment in at least one backup group is increased;when the number of the state marks of the slave equipment is larger than a third threshold value, the priority of the VRRP equipment in at least one backup group is increased;and when the number of the state marks of the slave devices is lower than a fourth threshold value, the priority of the VRRP device in at least one backup group is reduced.
- 3. The improvement method for the VRRP equipment according to claim 2, wherein before setting the monitoring thread for the VRRP equipment, the improvement method further comprises the following steps:determining that the VRRP device can perform dynamic priority adjustment, and assigning a corresponding adjustable flag; in a corresponding manner, the first and second optical fibers are,when the monitoring thread detects the adjustable mark, when the number of the state marks of the VRRP equipment is detected to meet the adjustment threshold value, the priority in the corresponding backup group is adjusted.
- 4. The VRRP device improvement method according to claim 3, wherein said determining that the VRRP device is capable of performing dynamic priority adjustment and assigning a corresponding adjustable flag comprises:determining that the VRRP device is capable of performing dynamic priority adjustment, assigning a corresponding adjustable flag, and setting the adjustment threshold according to the performance of the VRRP device.
- 5. The VRRP device improvement method of claim 4, wherein the monitor thread is further configured to obtain a priority of a peer device connected to the VRRP device; in a corresponding manner, the first and second optical fibers are,and the monitoring thread adjusts the priority of the VRRP equipment in the corresponding backup group according to the priority of the opposite terminal equipment.
- A state management device for a VRRP node, comprising:the monitoring unit is used for adjusting the priority of the VRRP nodes in the corresponding VRRP group when the number of state marks of the VRRP nodes meets an adjustment threshold, wherein the state marks comprise a master state and a slave state;when the number of state flags of the master state is greater than a first threshold, reducing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the master state is lower than a second threshold, increasing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the slave state is greater than a third threshold, increasing the priority of the VRRP node in at least one VRRP group;when the number of state flags of the slave state is below a fourth threshold, the priority of the VRRP node in at least one VRRP group is reduced.
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