Management Card Centralized IP Configuration for cPCI Servers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing server systems face challenges in configuring host processor cards with IP address information, particularly in multi-server setups, where using RS-232 interfaces is cumbersome and DHCP requires presetting subnet masks, making it difficult to establish console LAN communications effectively.
Innovation Solution
A server system with a management card that receives network address information via a user interface and sends it to host processor cards through a bus, using I2C buses to configure IP address settings for all cards, simplifying the process and reducing the need for multiple connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If RS-232 interface is used to configure IP address information on each host processor card, then individual card configuration is possible, but the complexity of cable management and configuration increases significantly in multi-server setups
Solution Approach 1:
The patent combines multiple individual RS-232 configuration paths into a single centralized configuration interface. The management card consolidates the configuration functionality for all host processor cards, allowing IP address information to be distributed system-wide through one interface rather than requiring separate RS-232 connections to each card.
Solution Approach 2:
The management card acts as an intermediary between the user and the host processor cards. Instead of directly connecting to each host processor card via RS-232, the user connects to the management card, which then distributes the configuration information to all relevant cards through the system bus, simplifying the interface layer.
2Extent of automation
If DHCP is used to automatically assign IP addresses, then address configuration is automated, but subnet mask must be preset and random addresses are not suitable for server identification
Solution Approach 1:
The system performs preliminary configuration of subnet mask and network parameters at the management card level before IP address assignment. This allows automated IP address distribution while maintaining proper network configuration, eliminating the need to preset subnet masks on each individual card while ensuring addresses are appropriate for server identification.
3Device complexity
If a single management interface is used to configure all host processor cards, then configuration complexity is reduced, but a communication bus must be implemented across all cards
Solution Approach 1:
The system uses a universal bus infrastructure that serves multiple functions: it carries configuration information from the management card to host processor cards, and also supports normal system operations. The I2C bus and other system buses are leveraged for their existing multi-functional capability, avoiding the need to create dedicated configuration-only communication paths.
Data Source
AI summary
A cPCI server system includes a plurality of host processor cards. A management card is coupled to the plurality of host processor cards via at least one bus. The management card includes at least one user interface for receiving network address information from a user. The management card is configured to send received network address information to the plurality of host processor cards via the at least one bus, thereby configuring the host processor cards for management LAN communications.