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Method and system for implementing lacp NSR in distributed equipment that does not support nsr

A distributed device and centralized technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as high cost, inability to support LACPNSR functions, and non-support

Active Publication Date: 2021-08-03
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of implementing the NSR function is very high, and NSR has high requirements on the entire device. Generally, distributed devices do not support the NSR function. In distributed devices that do not support the NSR function, LACP usually cannot support the NSR function of LACP.

Method used

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  • Method and system for implementing lacp NSR in distributed equipment that does not support nsr
  • Method and system for implementing lacp NSR in distributed equipment that does not support nsr
  • Method and system for implementing lacp NSR in distributed equipment that does not support nsr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] see figure 1 As shown, the embodiment of the present invention provides a method for implementing LACP NSR in a distributed device that does not support NSR, including the following steps:

[0049] S1. Configure the LACP function in the distributed equipment that does not support NSR, and separate the centralized sending and receiving function of LACP. For example, the main control board of the distributed equipment implements the packet receiving function, and the line card of the distributed equipment implements the packet sending function. This can ensure that during the active-standby switchover, LACP protocol packets can be sent normally, so that the LACP of the peer device connected to the LACP function of this device can receive packets normally, and maintain the LACP protocol without interruption, thereby maintaining the LACP state before the active-standby switchover , so that forwarding plane services are not interrupted.

[0050] S2. Back up the information ...

Embodiment 2

[0053] An embodiment of the present invention provides a system for implementing LACP NSR in a distributed device that does not support NSR. The system includes:

[0054] The configuration unit is used to: configure the link aggregation control protocol LACP function in the distributed equipment that does not support the non-stop routing NSR;

[0055] A packet sending unit, configured to: send an LACP protocol message;

[0056] The packet receiving unit is used to: receive the LACP protocol message sent by the peer device connected to the LACP function of the distributed device;

[0057] The packet sending unit and the packet receiving unit operate independently and jointly maintain the LACP protocol without interruption, so as to maintain the LACP state before the active / standby switchover and keep the forwarding plane business uninterrupted.

[0058] The state machine information backup unit is used to: back up each state machine information of the current LACP from the act...

Embodiment 3

[0063] On the basis of Embodiment 1 or 2, the main control board of the distributed equipment realizes the packet receiving function, and the line card of the distributed equipment realizes the packet sending function in detail below.

[0064] see figure 2 As shown, according to the LACP state machine transceiver and state calculation given in the LACP chapter of "IEEE Std 802.3ad", the LACP state machine includes: Periodic (Periodic Transmission machine, periodic packet sending state machine), TX (Transmit machine, packet sending state machine ), RX (Receive machine, sending state machine), SelectionLogic (selection logic state machine) and MUX (Mux machine, mixed state machine).

[0065] NTT (Need To Transmit) in the LACP state machine is the flag for immediate packet sending, and RX (Receivemachine sending state machine), Periodic (Periodic Transmission machine periodic packet sending state machine), and MUX (Mux machine mixed state machine) will update the NTT flag . Al...

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PUM

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Abstract

The invention discloses a method and system for realizing LACP NSR in distributed equipment not supporting NSR, and relates to the field of LACP. The method comprises the following steps: configuring the LACP function in the distributed equipment that does not support NSR, separating the centralized sending and receiving packet function of LACP, thereby maintaining the LACP state before the active-standby switchover, and keeping the forwarding plane service uninterrupted; Machine information is backed up from the active main control board of LACP to the standby main control board in real time to ensure that the state of LACP remains unchanged after active-standby switchover and realize LACP NSR. The present invention can realize the NSR function of LACP in the distributed equipment that does not support NSR with less cost.

Description

technical field [0001] The present invention relates to the field of LACP, in particular to a method and system for realizing LACPNSR in distributed equipment that does not support NSR. Background technique [0002] LACP (Link Aggregation Control Protocol, Link Aggregation Control Protocol) based on the IEEE802.3ad standard is a protocol for realizing dynamic link aggregation. The LACP protocol exchanges information with the peer end through LACPDU (Link Aggregation Control Protocol Data Unit, Link Aggregation Control Protocol Data Unit). [0003] When to use the LACP protocol: [0004] (1) In the case of relatively tight bandwidth, the bandwidth can be expanded to N times the original link through logical aggregation. [0005] (2) When dynamic backup of links is required, link aggregation can be configured to implement dynamic backup between member ports of the same aggregation group. [0006] A port that enables LACP can have two working modes: Passive and Active. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/911H04L1/22
Inventor 毛斐王丽珍强小应
Owner FENGHUO COMM SCI & TECH CO LTD
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