Configurable Stacking Ports Zero-Touch Provisioning

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Solution Overview

Problem

Existing networking devices with fixed stacking and data ports are inflexible, making it difficult to configure ports appropriately based on specific implementation needs, and flexible configurations are challenging to set up correctly, often leading to errors and inefficiencies.

Innovation Solution

The implementation of configurable ports that can be automatically configured as either stacking or data ports through zero-touch provisioning, where a designated master device determines connections and configures ports as needed, simplifying installation and reducing user effort and errors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If fixed stacking and data ports are used, then device simplicity is maintained, but flexibility and adaptability are reduced

Engineering Contradiction:
Improveport configuration flexibilityVSAvoidport configuration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic port configuration where ports transition from fixed roles to configurable roles. The system automatically determines which ports should function as stacking ports versus data ports based on detected connections and network topology, allowing the port roles to change dynamically rather than being statically assigned.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs self-configuration through zero-touch provisioning. The master device automatically detects connections between networking devices, determines the appropriate port roles, and configures stacking ports without requiring manual user intervention. The system serves itself by autonomously provisioning the stack based on physical connections.

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If flexible configurable ports are used, then adaptability is improved, but configuration difficulty and error rate increase

Engineering Contradiction:
Improveport configuration flexibilityVSAvoidport configuration ease
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system performs self-configuration through zero-touch provisioning. The master device automatically detects connections between networking devices, determines the appropriate port roles, and configures stacking ports without requiring manual user intervention. The system serves itself by autonomously provisioning the stack based on physical connections.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The master device sends probe messages to detect connections and receives feedback about the physical topology. Based on this feedback, the system automatically determines which ports should be configured as stacking ports versus data ports, ensuring correct configuration without manual input.

Inventive Principle:
Principle #23Feedback

3Manufacturing precision

If manual port configuration is performed, then configuration accuracy can be controlled, but installation time and complexity increase

Engineering Contradiction:
Improveconfiguration accuracyVSAvoidinstallation time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system performs self-configuration through zero-touch provisioning. The master device automatically detects connections between networking devices, determines the appropriate port roles, and configures stacking ports without requiring manual user intervention. The system serves itself by autonomously provisioning the stack based on physical connections.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system performs preliminary detection of physical connections through probe messages before final configuration is applied. This preliminary action allows the system to understand the network topology in advance and automatically determine port roles, eliminating the need for manual configuration during installation.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11979283B2Stacking-port configuration using zero-touch provisioning
Publication Date: 2024.05.07 RUCKUS IP HOLDINGS LLC
  • US11979283B2 patent drawing
  • US11979283B2 patent drawing
  • US11979283B2 patent drawing

AI summary

An electronic device includes multiple networking devices arranged in a stack. The networking devices may include configurable ports, where a given configurable port in the configurable ports may be configured as a data port or a stacking port. During operation, a networking device in the stack may be designated as a master in the stack. In response, the networking device may provide one or more probe messages to determine a state of the networking devices, where the state includes one or more connections among the networking devices. Then, the networking device may verify that the one or more connections are correct. When the one or more connections are correct, the networking device may define a subset of the configurable ports in the networking devices as stacking ports.