Automatic VLAN Detection for Router Self-Configuration

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Solution Overview

Problem

Managing router configurations requires human intervention, which can lead to security flaws and network downtime due to potential misconfiguration or failure to identify and address security issues.

Innovation Solution

A router that automatically detects new virtual local area networks (VLANs) and configures VLAN interfaces, enables direct remote access without proxies, and transparently replaces existing routers, utilizing features like automatic VLAN configuration, non-discoverable handshakes, and secure key exchanges.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual configuration management is used, then human control over network settings is maintained, but security flaws and network downtime occur due to potential misconfiguration or failure to identify security issues

Engineering Contradiction:
Improvenetwork reliabilityVSAvoidconfiguration automation
Core Design Contradiction:
ReliabilityVSExtent of automation

Solution Approach 1:

The router performs self-configuration by automatically detecting VLAN packets, identifying new VLANs, and configuring VLAN interfaces without human intervention. The system monitors incoming packets, detects VLAN tags, and autonomously updates routing tables and network settings to maintain continuous reliable operation

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The router continuously monitors incoming network packets for VLAN tags and uses this feedback to dynamically update its configuration. When new VLAN packets are detected, the router automatically adjusts routing tables and interface settings, creating a closed-loop system that adapts to changing network conditions and maintains reliability

Inventive Principle:
Principle #23Feedback

2Productivity

If manual VLAN configuration is performed, then configuration changes can be made, but time is required for updates and security flaws may be missed

Engineering Contradiction:
Improveconfiguration speedVSAvoidconfiguration accuracy
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The router automatically detects VLAN packets from the network, identifies new VLANs by examining packet tags, and configures appropriate VLAN interfaces without human intervention. This self-configuration process eliminates manual errors and accelerates deployment while maintaining accuracy through automated validation

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The router proactively monitors incoming packets for VLAN tags and prepares configuration changes before manual intervention would be needed. By continuously scanning for new VLANs and pre-configuring interfaces, the system ensures rapid response to network changes while maintaining configuration accuracy through automated processes

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If a router is replaced, then new routing capabilities can be implemented, but network downtime occurs during the transition

Engineering Contradiction:
Improverouter functionalityVSAvoidreplacement time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The new router is pre-configured by automatically detecting existing VLAN packets on the network and configuring appropriate interfaces before the old router is removed. This preliminary configuration ensures immediate functionality upon installation, eliminating downtime and providing seamless router replacement

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

During the replacement process, the new router continuously monitors incoming packets to detect existing VLAN configurations and automatically adjusts its settings based on this feedback. This real-time adaptation ensures the new router seamlessly integrates into the existing network without causing downtime

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20250310207A1Automatic and transparent VLAN detection and configuration
Publication Date: 2025.10.02 PERFTECH INC
  • US20250310207A1 patent drawing
  • US20250310207A1 patent drawing
  • US20250310207A1 patent drawing

AI summary

An example operation may include one or more of establishing a connection with a local area network (LAN) network via a routing apparatus comprising a plurality of network connection ports, receiving a packet via a network connection port from among the plurality of network connections ports, detecting that the packet is of a new virtual local area network (VLAN), and automatically configuring a VLAN interface for new VLAN and deploying the VLAN interface at the routing apparatus.