CN102684915A - Method and device for synchronizing ARP tables of host device and backup device through network management system - Google Patents
Method and device for synchronizing ARP tables of host device and backup device through network management system Download PDFInfo
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- CN102684915A CN102684915A CN2012101247854A CN201210124785A CN102684915A CN 102684915 A CN102684915 A CN 102684915A CN 2012101247854 A CN2012101247854 A CN 2012101247854A CN 201210124785 A CN201210124785 A CN 201210124785A CN 102684915 A CN102684915 A CN 102684915A
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Abstract
The invention provides a method and a device for synchronizing ARP (Address Resolution Protocol) tables of a host device and a backup device, wherein the method comprises the steps as follows: two bridge nodes that are configured to the host backup relation of a VRRP (Virtual Router Redundancy Protocol) are configured to form a synchronization group; each ARP table of the VRRP on the VRRP host device is obtained, and is transmitted to the VRRP backup device, so as to achieve the synchronization of the ARP tables of the host device and the backup device. The method and the device can synchronize each ARP table on the VRRP host device to the VRRP backup device, so as to achieve the synchronization of the ARP tables of the host device and the backup device.
Description
Technical field
The present invention relates to the data message technical field, particularly a kind ofly carry out synchronous method and the device of active and standby two-shipper ARP(Address Resolution Protocol) table through network management system.
Background technology
(Long Term Evolution LTE) waits technological development, in the mobile retransmission net along with Long Term Evolution at present; Introduce Layer3 Virtual Private Network (Virtual Private Network, VPN) technology, and in convergence-level at Access Layer; Can continue to adopt Layer 2 virtual private network L2VPN technology, in order to guarantee omnidistance multiprotocol label switching (Multi-Protocol Label Switching, MPLS) label forwarding; Need on convergence-level equipment, open two three-layer VPN bridging functionalitys; Simultaneously, in order to improve the reliability of network, need on two bridge contact equipment, use Virtual Router Redundancy Protocol (VRRP) function.But, after VRRP switches,, need relearn ARP owing to there is not the ARP table on the VRRP slave node, can cause the packet loss of long period, can't satisfy the requirement of switching of carrier class 50ms.
Generally can take dual mode to solve this problem at present.First access layer equipment is launched the two functions of sending out of ARP; Send ARP information to active and standby VRRP equipment simultaneously; Thereby reach the synchronous purpose of ARP table on active and standby bridge contact; But this method requires all access layer equipments will support that ARP is two to be sent out, if access layer equipment do not support, just can't make in this way; It two is to adopt static configuration ARP table to carry out synchronous mode; Generally can be applied in Packet Transport Network (Packet Transport Network; PTN) environment adopts the situation of static L3VPN down, but work as Access Layer situation such as equipment change is arranged, and all needs free hand modification; Workload is bigger, can only be applicable to motionless basically environment.
Summary of the invention
In order to address the above problem, the present invention provides a kind of and carries out synchronous method and the device of active and standby two-shipper ARP table through network management system, can the table of the ARP on the VRRP main equipment be synchronized to VRRP and be equipped with on the equipment, thereby realize the synchronous of master/slave device two-shipper ARP table.
The synchronous method of active and standby two-shipper ARP table of carrying out of the present invention comprises:
Two bridging nodes that are configured to Virtual Router Redundancy Protocol VRRP main and standby relation are configured to a synchronization group;
According to the activestandby state of VRRP, get the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment, synchronously with the ARP table of realizing master/slave device.
Wherein, the said VRRP of being issued to is equipped with on the equipment, is meant that being issued to the three layers of instance in VRRP place perhaps belongs in the Layer3 Virtual Private Network L3VPN instance.
Wherein, in advance to said two bridging nodes configuration Layer 2 virtual private network VPN and Layer3 Virtual Private Network VPN bridge joint.
Further, can be set synchronizing cycle, when expire synchronizing cycle, get the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment.
The synchronous device of active and standby two-shipper ARP table that carries out of the present invention; Comprise dispensing unit and lock unit; Wherein, said dispensing unit is used for two bridging nodes that are configured to Virtual Router Redundancy Protocol VRRP main and standby relation are configured to a synchronization group; Said lock unit is used for the activestandby state according to VRRP, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment, and the ARP table of realizing master/slave device synchronously.
Wherein, in said lock unit, the said VRRP of being issued to is equipped with on the equipment, is meant that being issued to the three layers of instance in VRRP place perhaps belongs in the Layer3 Virtual Private Network L3VPN instance.
Wherein, said dispensing unit is further used in advance to said two bridging nodes configuration Layer 2 virtual private network VPN and Layer3 Virtual Private Network VPN bridge joint.
Wherein, said lock unit is further used for being provided with synchronizing cycle, when expire synchronizing cycle, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment.
The invention has the beneficial effects as follows: carry out synchronous method and the device of active and standby two-shipper ARP table through network management system according to of the present invention; Having overcome existing ARP table needs access layer equipment to support two of ARP or the pure manual static configuration of needs to carry out synchronous defective synchronously; Adopt method and apparatus of the present invention; Can the table of the ARP on the VRRP main equipment be synchronized to VRRP and be equipped with on the equipment, thereby realize the synchronous of master/slave device two-shipper ARP table.
Description of drawings
Fig. 1 is the network environment sketch map that has disposed two three-layer VPN bridge joints and disposed VRRP;
Fig. 2 carries out the synchronous flow chart of ARP table for network management system.
Embodiment
Below, describe synchronous method and the device of active and standby two-shipper ARP table that carry out of the present invention in detail with reference to accompanying drawing 1～2.
The synchronous method of active and standby two-shipper ARP table of carrying out of the present invention comprises:
Two bridging nodes that are configured to Virtual Router Redundancy Protocol VRRP main and standby relation are configured to a synchronization group;
According to the activestandby state of VRRP, get the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment, synchronously with the ARP table of realizing master/slave device.Wherein, be issued to VRRP and be equipped with on the equipment, be meant that being issued to the three layers of instance in VRRP place perhaps belongs in the Layer3 Virtual Private Network L3VPN instance.
In addition, need in advance to said two bridging nodes configuration Layer 2 virtual private network VPN and Layer3 Virtual Private Network VPN bridge joint.
The present invention can also further be provided with synchronizing cycle, when expire synchronizing cycle, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment.
The synchronous device of active and standby two-shipper ARP table that carries out of the present invention comprises dispensing unit and lock unit, and wherein, dispensing unit is used for two bridging nodes that are configured to Virtual Router Redundancy Protocol VRRP main and standby relation are configured to a synchronization group; Lock unit is used for the activestandby state according to VRRP, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment, and the ARP table of realizing master/slave device synchronously.
Wherein, in lock unit, be issued to VRRP and be equipped with on the equipment, be meant that being issued to the three layers of instance in VRRP place perhaps belongs in the Layer3 Virtual Private Network L3VPN instance.
This dispensing unit is further used in advance to said two bridging nodes configuration Layer 2 virtual private network VPN and Layer3 Virtual Private Network VPN bridge joint.
In addition, lock unit is further used for being provided with synchronizing cycle, when expire synchronizing cycle, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment.
Embodiment
In the present invention, the ARP of two-shipper table mainly is on network management system synchronously; To having disposed the two three-layer VPN bridge contact equipment of VRRP, set up regular task, every (configurable at a distance from some cycles; Default to one minute); Get the ARP table of the three layers of instance in place of VRRP on the VRRP main equipment (perhaps belonging to the L3VPN instance), and it is issued to VRRP is equipped with on the equipment in the VRRP three layers of instance in place (perhaps belonging to the L3VPN instance), thereby the ARP table of having accomplished two-shipper synchronously.The synchronizing process of active and standby two-shipper ARP table mainly comprises the following steps:
Step 100: on network management system,, be configured to a synchronization group with two two bridging nodes that disposed two three-layer VPN bridge joints and be configured to the VRRP main and standby relation, and the configuration synchronization cycle; Wherein, as shown in Figure 1, for having disposed two three-layer VPN bridge joints and having disposed the network environment sketch map of VRRP.
Step 200: according to the activestandby state of VRRP; Arrive after date in synchronizing cycle; Get the ARP table of the VRRP three layers of instance in place (perhaps belonging to the L3VPN instance) on the VRRP main equipment; And it is issued to VRRP is equipped with on the equipment in the VRRP three layers of instance in place (perhaps belonging to the L3VPN instance), thereby the ARP table of realizing master/slave device synchronously.
Used in the present inventionly realize the synchronous scheme of active and standby two-shipper ARP table, can be applied in and dispose two three-layer VPN bridge joints, and dispose on two bridge contact equipment of VRRP that plan implementation only needs the network management system support through network management system.
In sum; Carry out synchronous method and the device of active and standby two-shipper ARP table according to of the present invention through network management system; Having overcome existing ARP table needs access layer equipment to support two of ARP or the pure manual static configuration of needs to carry out synchronous defective synchronously, adopts method and apparatus of the present invention, can the ARP on the VRRP main equipment be shown; Be synchronized to VRRP and be equipped with on the equipment, thereby realize the synchronous of master/slave device two-shipper ARP table.
More than be in order to make those of ordinary skills understand the present invention; And to detailed description that the present invention carried out; But can expect; In the scope that does not break away from claim of the present invention and contained, can also make other variation and modification, these variations and revising all in protection scope of the present invention.
Claims (8)
1. one kind is carried out the synchronous method of active and standby two-shipper ARP table, it is characterized in that, comprising:
Two bridging nodes that are configured to Virtual Router Redundancy Protocol VRRP main and standby relation are configured to a synchronization group;
According to the activestandby state of VRRP, get the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment, synchronously with the ARP table of realizing master/slave device.
2. the synchronous method of active and standby two-shipper ARP table of carrying out as claimed in claim 1 is characterized in that the said VRRP of being issued to is equipped with on the equipment, is meant that being issued to the three layers of instance in VRRP place perhaps belongs in the Layer3 Virtual Private Network L3VPN instance.
According to claim 1 or claim 2 carry out the synchronous method of active and standby two-shipper ARP table, it is characterized in that, in advance to said two bridging nodes configuration Layer 2 virtual private network VPN and Layer3 Virtual Private Network VPN bridge joint.
4. the synchronous method of active and standby two-shipper ARP table of carrying out as claimed in claim 3 is characterized in that, further be set synchronizing cycle, when expire synchronizing cycle, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment.
5. one kind is carried out the synchronous device of active and standby two-shipper ARP table, it is characterized in that, comprises dispensing unit and lock unit, wherein,
Said dispensing unit is used for two bridging nodes that are configured to Virtual Router Redundancy Protocol VRRP main and standby relation are configured to a synchronization group;
Said lock unit is used for the activestandby state according to VRRP, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment, and the ARP table of realizing master/slave device synchronously.
6. device as claimed in claim 5 is characterized in that, in said lock unit, the said VRRP of being issued to is equipped with on the equipment, is meant that being issued to the three layers of instance in VRRP place perhaps belongs in the Layer3 Virtual Private Network L3VPN instance.
7. like claim 5 or 6 described devices, it is characterized in that said dispensing unit is further used in advance to said two bridging nodes configuration Layer 2 virtual private network VPN and Layer3 Virtual Private Network VPN bridge joint.
8. device as claimed in claim 7 is characterized in that, said lock unit is further used for being provided with synchronizing cycle, when expire synchronizing cycle, gets the ARP table of VRRP on the VRRP main equipment, and it is issued to VRRP is equipped with on the equipment.
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| CN201210124785.4A CN102684915B (en) | 2012-04-25 | 2012-04-25 | A kind ofly carry out the synchronous method of active and standby two-shipper ARP table and device by network management system |
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| CN201210124785.4A CN102684915B (en) | 2012-04-25 | 2012-04-25 | A kind ofly carry out the synchronous method of active and standby two-shipper ARP table and device by network management system |
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| CN102684915A true CN102684915A (en) | 2012-09-19 |
| CN102684915B CN102684915B (en) | 2016-01-20 |
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| WO2015184730A1 (en) * | 2014-07-08 | 2015-12-10 | 中兴通讯股份有限公司 | Primary and alternate routing equipment, and backup, switching method and routing system therebetween |
| CN111555970A (en) * | 2020-04-16 | 2020-08-18 | 深圳震有科技股份有限公司 | Network switching method, system and storage medium based on dual-computer redundancy system |
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| CN102684915B (en) | 2016-01-20 |
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