Disk spanning LACP (Link Aggregation Control Protocol) link aggregation method and device for PON (Passive Optical Network) access system

Abstract

The invention discloses a disk spanning LACP (Link Aggregation Control Protocol) link aggregation method and device for a PON (Passive Optical Network) access system, and relates to the field of link aggregation. The method comprises the steps that: a master control panel creates a link aggregation group, and adds the link aggregation group to a designated VLAN; the master control panel controls aggregation group member ports on all line cards to interact a LACP message with opposite end equipment; the master control panel determines all ports which complete LACP message consultation as normal ports, an aggregation group table item is formed according to port numbers of all the normal ports, and the master control panel and all the line cards store the aggregation group table item; and when working states of the ports on the line cards are changed, the master control panel refreshes the aggregation group table item according to port change information. According to the disk spanning LACP link aggregation method and device disclosed by the invention, an uplink disk function of an Ethernet type single disk is expanded, and an uplink link bandwidth is increased, so that reliability of a link is obviously improved.

Description

technical field [0001] The invention relates to the field of link aggregation, in particular to a cross-disk LACP link aggregation method and device for a PON access system. Background technique [0002] LA (Link Aggregation, Link Aggregation) is a technology that bundles multiple physical ports into one logical port; this technology can treat multiple physical connections as a single logical connection, thereby allowing two network devices to They are connected in parallel through multiple ports to achieve the purpose of simultaneously transmitting data, providing higher bandwidth and throughput, and increasing the stability of the system. According to whether member ports run LACP (Link Aggregation Control Protocol, Link Aggregation Control Protocol), link aggregation can be divided into two modes: static aggregation and dynamic aggregation. [0003] LACP exchanges information with the peer end through LACPDU (Link Aggregation Control Protocol Data Unit, Link Aggregation ...

AI Technical Summary

Problems solved by technology

Although the switches and routers support cross-disk LACP link aggregation, their system architecture is different from that of the PON access system. The PON access system is currently mainly a centralized architecture, and it distinguishes between the user side and the uplink side, which is not applicable to PON LACP link aggregation across different ports on Ethernet type line cards on the access system

The Ethernet-type line card of the PON access system has a relatively large number of ports, 16 ports, and has its own CPU, which can run the protocol independently and can be used in various application scenarios such as cascading and uplinking. It has begun to be widely used. It is applied in the existing network, but currently there is no clear and specific method for how to realize the LACP link aggregation across different ports on the Ethernet type line card under the PON access system

Images