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HowTO: Static IP Configuration in S32G BSP

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HowTO: Static IP Configuration in S32G BSP

HowTO: Static IP Configuration in S32G BSP

1. Introduction

When working with a Yocto root filesystem generated from a BSP—such as BSP43—the default network configuration is typically set to use DHCP. As a result, different IP addresses may be assigned to different Ethernet ports by the DHCP server connected to each port on the S32G-VNP-RDB3 board.

This default behavior is convenient for most customers, as it requires no additional network configuration. The ports become usable immediately upon connecting Ethernet cables, which aligns well with typical development environments that already include a DHCP server.

However, some customers may not have a DHCP server available, or they may require specific network settings that differ from those assigned by DHCP. For example, a customer might want to dedicate a particular Ethernet port to a specific subnet for SSH access. In scenarios where the UART debug console is unavailable, having a predefined static IP allows remote access to the board immediately after boot.

This document provides a method to configure static IP address for one specific Ethernet port, while keeping the remaining ports configured with the default DHCP settings. Customers can further customize the configuration to suit their specific networking requirements.

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