VirtualBox Debian 12 Guest Bridge Can't Ping LAN Box

Abstract: This article addresses a problem where a Debian 12 guest on VirtualBox can't ping a LAN box. It provides solutions for this issue, focusing on configuring the network settings in VirtualBox and the Debian guest.

Created: 2025-02-11 by UserComp.com Editors

Machine1 and Machine2 Configuration

Machine1: Fedora 40 VirtualBox host running Debian 12 guests with single bridged interface.

The host machine, running Fedora 40, is configured with VirtualBox to host a Debian 12 guest. The guest has a single bridged network interface, which is connected to the Internet Service Provider (ISP) via a wireless connection.

Machine2: Ubuntu 24.04 kernel 6.11 without internet access

The second machine, running Ubuntu 24.04 with kernel 6.11, does not have direct internet access. However, it is connected to Machine1 through an unknown connection method.

Tags: Linux VirtualBox Debian Guest Bridge Networking

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