Message dispersion method and device, and dispersion switch
A switch and packet technology, applied in the field of network communication, can solve the problems of limited, unsupported configuration of ACL, insufficient ACL resources, etc., to achieve the effect of reducing the number of ACLs and solving the possible shortage of ACL resources
Active Publication Date: 2018-10-19
NEW H3C TECH CO LTD
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Problems solved by technology
[0006] The more service devices connected to the second-level distribution device, the more ACLs need to be configured, but the ACL resources of the second-level distribution device are limited, that is, a second-level distribution device can only support a certain number of ACLs. When there are too many service devices connected to the second-level distribution device, the ACL resources of the second-level distribution device may be insufficient, resulting in the failure of the second-level distribution device to perform packet distribution operations smoothly.
For example, in the above solution, if each of the 4 service groups of the device connected to the communication corresponds to 255 outgoing ports, there are 256^4 possible port combinations, that is, 256^4 ACLs are required to fully Covers all possibilities, but general switches do not support configuring such a large number of ACLs
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[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments It is a part of the embodiments of the present disclosure, but not all of them. The components of the disclosed embodiments generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0025] Accordingly, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed disclosure, but merely represents selected embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary sk...
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The present disclosure provides a message dispersion method and device, and a dispersion switch. The dispersion switch is equipped with a plurality of loopback ports, and each loopback port corresponds to a service group that includes multiple output ports. The method includes: receiving a message to be dispersed and redirecting the message to be dispersed to a dispersion multicast group includingrespective loopback ports and multicasting the message to be dispersed to respective loopback ports; for each loopback port, searching an output port corresponding to the message to be dispersed in afirst ACL preconfigured in the loopback port according to the communication feature information carried in the message to be dispersed, and transmitting the message to be dispersed to the searched out output port when the corresponding output port is searched out. Thus, the message to be dispersed is duplicated in a mirroring way and the ACL rule is matched and the output port is selected. Therefore, in the case of the same number of output ports, the number of ACLs required to be configured is reduced and possibly insufficient ACL resources can be solved in the event of excessive output ports.
Description
technical field [0001] The present disclosure relates to the technical field of network communication, in particular, to a method and device for distributing packets, and a distributing switch. Background technique [0002] In some communication scenarios, the distribution switch may need to copy the received message into multiple copies, and send the copied message to different business equipment for processing. For example, see figure 1 , in the network security system, it can include multiple business groups, and different business groups are used to perform different security processing tasks. Each business group includes multiple business devices, and each business device corresponds to an output port of the secondary distribution device. . After the secondary distribution device receives the message from the primary distribution device, it will choose to copy and send the message to one or more service groups according to the communication characteristic information...
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Login to View More IPC IPC(8): H04L12/931H04L12/947
CPCH04L49/201H04L49/25
Inventor 王明辉刘明闫波秦涛
Owner NEW H3C TECH CO LTD