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A message sending method and switching chip

A technology for exchanging chips and messages, which is applied in the field of communication, and can solve problems such as the inability to guarantee the priority scheduling of protocol messages and the inability to distinguish priority queues, etc.

Active Publication Date: 2019-12-10
MAIPU COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, for the protocol packets copied to the CPU, such as DHCP, ARP, OSPF, RIP and other protocol packets sent to the CPU in the copy behavior mode, the priority queue cannot be distinguished, and the priority scheduling of the protocol packets cannot be guaranteed.

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  • A message sending method and switching chip
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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] The system architecture and business scenarios described in the embodiments of the present invention are to illustrate the technical solutions of the embodiments of the present invention more clearly, and do not constitute limitations on the technical solutions provided by the embodiments of the present invention. The evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the pres...

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Abstract

The embodiment of the invention discloses a message sending method and a switching chip, which relate to the field of communication, and can configure a queue of protocol messages sent to the CPU in a copy mode, so as to ensure the priority scheduling of the protocol messages. The message sending method includes: the switch chip receives the protocol message through the first port, and copies the protocol message to the destination port at the first port according to the first ACL rule, and the destination port is the switch The internal loopback port of the chip; the switching chip redirects the protocol message to the designated CPU queue of the CPU port according to the second ACL rule at the internal loopback port. The embodiment of the present invention is used for protocol message forwarding.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular, to a message sending method and a switch chip. Background technique [0002] In the switch architecture, it is usually composed of a switching chip and a CPU (Central Processing Unit, central processing unit). The switching chip is responsible for forwarding data packets, and the CPU is responsible for management and control. CPU processing, such as L2 (layer 2, data link layer) management messages such as BPDU (bridge protocol data unit, bridge protocol data unit), GVRP (Generic Attribute Registration Protocol, general attribute registration protocol), ARP (Address Resolution Protocol, Address Resolution Protocol); L3 (layer 3, network layer) management messages such as RIP (Routing Information Protocol, routing information protocol), PIM (Protocol Independent Multicast, protocol independent multicast), OSPF (Open Shortest Path First, open shortest path Pri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/937H04L12/935H04L12/865H04L47/6275H04L49/111
CPCH04L47/6275H04L49/253H04L49/3018
Inventor 吴帮华
Owner MAIPU COMM TECH CO LTD
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