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Method for synchronizing media access control (MAC) addresses and device

A device, the technology of this device, applied in the field of communication, can solve problems such as uneven downlink traffic, broadcast forwarding of unicast messages, port migration, etc.

Active Publication Date: 2013-10-16
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the source MAC address learning based on data packets will cause port migration, resulting in uneven downlink traffic, and will also cause some unicast packets to be broadcast and forwarded.

Method used

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  • Method for synchronizing media access control (MAC) addresses and device
  • Method for synchronizing media access control (MAC) addresses and device
  • Method for synchronizing media access control (MAC) addresses and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] see figure 1 , figure 1 It is a schematic diagram of a MAC address synchronization process in Embodiment 1 of the present invention. The specific steps are:

[0031] Step 101, if any device in the network has a UNI, when the MAC address of the user equipment is learned through the UNI, it sends a notification message to the upstream device, notifying the MAC address of the user equipment learned on the UNI.

[0032] The device may be an access device or a converging device, and when receiving a data message sent by a user equipment through the UNI, learns the source MAC address of the received data message. If the device is an aggregation device, the aggregation device is the device with the highest level in the vertical combination network, and does not send notification messages to the upstream device.

[0033] In this step, the access device first needs to configure a multicast MAC address, and configure the uplink port of the access device as a member port of the...

Embodiment 2

[0046] The notification message sent by any access device to the upstream device uses the configured multicast MAC address as the destination MAC address, which ensures that all upstream devices can receive the notification message, but if the upstream device has multiple reachable The port of the access device will receive multiple notification messages. Therefore, in the specific embodiment of the present invention, configuration is performed on the upstream device so as to process only one received notification message, and discard other notification messages directly. The upstream device here includes a converging device and an access device, and the specific embodiment of the present invention uses the access device as an example.

[0047] If any device in the networking has multiple ports that are reachable to any downstream access device with a UNI, select one of the multiple ports to process the notification message sent by the downstream access device with a UNI. The...

Embodiment 3

[0062] There are two ways to learn the MAC address of the upstream device of any access device in the networking, one is to learn the source MAC address according to the received data message; packets for MAC address learning. However, when the present invention is implemented in practice, the priority of learning the MAC address through the notification message is higher than that through the learning of the MAC address through the data message. The specific implementation is as follows:

[0063] When the access device receives the data message sent by the user equipment, if the local source MAC address has been learned by receiving the notification message, it will no longer learn the source MAC address of the data message; The source MAC address of the data message is learned, and the source MAC address of the data message is learned.

[0064] Therefore, if a data packet is received first, source MAC address learning is required. If a MAC address has been learned through ...

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Abstract

The invention discloses a method for synchronizing MAC addresses. The method comprises that if a user network interface (UNI) exists in any equipment in a networking, a notification message is sent to upstream equipment to notify the upstream equipment to learn an MAC address to user equipment of the UNI; and when the notification message sent by the downstream equipment is received, the MAC address of the user equipment contained in the received notification message is learned by different ports, which are capable of reaching the downstream equipment, of the equipment. The invention also provides a device which can synchronize downstream access devices with UNI's to learn the MAC address to the user equipment of the UNI, thereby avoiding known unicast from being broadcasted.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method and device for synchronizing media access control addresses. Background technique [0002] Commonly used networks generally have aggregation devices and access devices, and access devices may be deployed in multiple levels. In traditional networking, this hierarchical networking has the following disadvantages: [0003] In a hierarchical network, each device is independently configured and managed, and the management complexity is high; and because the access device is much smaller than the aggregation device in terms of performance and table item specifications, the access device is only divided into a part of the Virtual Local Area Network (Virtual Local Area Network, VLAN). Different access devices may be assigned to different VLANs. In this case, access devices cannot communicate at Layer 2, but can only communicate at Layer 3 through aggregati...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/24
Inventor 祁正林刘刀桂修亦宏薛聪
Owner XINHUASAN INFORMATION TECH CO LTD
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