Address resolution protocol (ARP) table entry synchronization method and business processing method and equipment

An ARP entry and ARP request technology, applied in the field of communication network, can solve the problem of interface board chip resource occupation, save chip resources and improve the packet forwarding processing capability.

Active Publication Date: 2013-05-01
XINHUASAN INFORMATION TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0007] The present invention provides an ARP entry synchronization method and device, which are used to solve the problem that a

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  • Address resolution protocol (ARP) table entry synchronization method and business processing method and equipment
  • Address resolution protocol (ARP) table entry synchronization method and business processing method and equipment
  • Address resolution protocol (ARP) table entry synchronization method and business processing method and equipment

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Embodiment Construction

[0037] Aiming at the above-mentioned problems existing in the prior art, the embodiment of the present invention provides an ARP entry synchronization scheme. When the interface on which the interface board receives the ARP request message is a non-aggregated interface, after the interface board learns the ARP entry, according to the received The interface type of the ARP request message is synchronized with the ARP entry, which saves the chip resources of the interface board, enables the interface board to learn more ARP entries, and improves the packet forwarding and processing capability of the interface board.

[0038] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0039]The ARP entry synchronization solution provided by the embodiment of the present invention is applied to a distributed device including a main control board and at least two interface boards. The interfaces on the interface board can ...

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Abstract

The invention discloses an address resolution protocol (ARP) table entry synchronization method and a business processing method and equipment. The ARP table entry synchronization method is applied to distributed equipment comprising a master control board and at least two interface boards. The ARP table entry synchronization method comprises the following steps of: receiving an ARP request message asking for inquiring respective media access control (MAC) addresses of the interface boards by the interface boards; then performing ARP table entry learning according to the ARP request message if a receiving interface of the ARP request message is a non-aggregation interface; and performing ARP table entry synchronization according to the type of the receiving interface of the ARP request message. Chip resources of the interface boards are saved, so that the interface boards are capable of learning more ARP table entries, and the message transmitting and processing capacity of the interface boards is improved.

Description

technical field [0001] The invention relates to the technical field of communication networks, in particular to an ARP entry synchronization method, a service processing method and equipment. Background technique [0002] ARP (Address Resolution Protocol, Address Resolution Protocol) is a protocol for resolving IP addresses into Ethernet MAC addresses (or physical addresses). When a host or other network device has data to send to another host or device, it must know the network layer address of the other party, that is, the IP (Internet Protocol, the protocol for interconnection between networks) address, but only the IP address is not enough , because IP data packets must be encapsulated into frames before they can be sent through the physical network, so the sending device must also have the MAC address of the receiving device, so a mapping from IP address to MAC address is required, and ARP is the protocol that realizes this function. [0003] After the switching device...

Claims

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Application Information

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IPC IPC(8): H04L12/933H04L12/741H04L45/74
Inventor 王志晟王伟
Owner XINHUASAN INFORMATION TECH CO LTD
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