Multicast message cross-card forwarding method, device, network equipment and readable storage medium

Abstract

Embodiments of the present application provide a method, device, network device, and readable storage medium for forwarding multicast messages across cards, which belong to the field of data communication. The method includes: receiving a multicast message to be forwarded, obtaining a multicast destination MAC address from the multicast message; obtaining a destination board group corresponding to the multicast destination MAC address, and copying the multicast message to the corresponding port of the destination board group; each corresponding port forwards the multicast message to the destination board according to the configured access control list ACL. In this solution, when setting the multicast MAC address, one board group corresponds to only one multicast MAC address, and each board group includes at least two boards, thereby saving the multicast address table in the switch chip Item resources can realize data cross-card forwarding that does not depend on the size of the switch chip multicast address table entry.

Description

Technical field [0001] The present application relates to the field of communication technology, and in particular, a multicast communication card forwarding method, device, network device, and readable storage medium are involved. Background technique [0002] With the rapid development of today's network, the increase in the surge in online bearer traffic and the diversified changes of business types, people put forward higher requirements for network equipment. Taking router equipment as an example, not only ensuring data reliability and security, while requiring more high speed data processing and forwarding capabilities. [0003] At present, most network devices, data processing units are forwarding cards, different forwarding cards have different data processing capabilities, but also provide users with custom selection of application environments, where data processing and forwarding capacity are relatively high, such as data centers. , Operators core machine room, provinc...

AI Technical Summary

Problems solved by technology

[0005] However, in order to make the switch card only serve as a logical channel to realize cross-card data forwarding, as many forwarding cards as there are, it is necessary to create multicast addresses corresponding to the power of 2 of the number of forwarding cards in the switching card, and the switching of the switching card The multicast address entries of the chip are limited, which directly leads to the limitation of the number of forwarding cards, which cannot meet the purpose of expanding more forwarding cards. Therefore, when the switch chip of the switch card is determined, the number of forwarding cards is limited, and elastic expansion of forwarding cards cannot be performed.

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